{"id":292,"date":"2025-11-19T03:42:16","date_gmt":"2025-11-19T03:42:16","guid":{"rendered":"https:\/\/pto-stone-crusher.com\/?post_type=product&p=292"},"modified":"2026-06-11T03:07:01","modified_gmt":"2026-06-11T03:07:01","slug":"ep-70-150hp-pto-stone-crusher-psc-models","status":"publish","type":"product","link":"https:\/\/pto-stone-crusher.com\/uk\/product\/ep-70-150hp-pto-stone-crusher-psc-models\/","title":{"rendered":"EP-70-150HP PTO STONE CRUSHER PSC MODELS"},"content":{"rendered":"
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EP-70-150HP PTO Stone Crusher \u2014 PSC Series Tractor-Mounted Rock Crusher<\/h2>\n

Power Range: 70\u2013150 hp | PTO Speed: 540\u20131000 rpm | Working Width: 1110\u20132070 mm | Max Shredding Diameter: 150 mm<\/p>\n<\/div>\n

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1. Technical Specifications \u2014 PSC Series PTO Stone Crusher<\/h2>\n

All six PSC series pto stone crusher models are listed below. Dimensions are in millimeters unless otherwise noted. The ST suffix indicates single-transmission drive; DT indicates dual-transmission drive for higher torque capacity at wider working widths.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nPSC\/ST 100<\/th>\nPSC\/ST 125<\/th>\nPSC\/ST 150<\/th>\nPSC\/ST 175<\/th>\nPSC\/DT 175<\/th>\nPSC\/DT 200<\/th>\n<\/tr>\n<\/thead>\n
Tractor Power (hp)<\/td>\n70\u2013120<\/td>\n80\u2013120<\/td>\n90\u2013120<\/td>\n100\u2013120<\/td>\n100\u2013150<\/td>\n120\u2013150<\/td>\n<\/tr>\n
PTO Speed (rpm)<\/td>\n540\u20131000<\/td>\n540\u20131000<\/td>\n540\u20131000<\/td>\n540\u20131000<\/td>\n1000<\/td>\n1000<\/td>\n<\/tr>\n
Working Width (mm)<\/td>\n1110<\/td>\n1350<\/td>\n1590<\/td>\n1830<\/td>\n1830<\/td>\n2070<\/td>\n<\/tr>\n
Total Width (mm)<\/td>\n1414<\/td>\n1654<\/td>\n1894<\/td>\n2134<\/td>\n2134<\/td>\n2374<\/td>\n<\/tr>\n
Weight (kg)<\/td>\n1230<\/td>\n1280<\/td>\n1440<\/td>\n1570<\/td>\n1600<\/td>\n1750<\/td>\n<\/tr>\n
Rotor Diameter (mm)<\/td>\n450<\/td>\n450<\/td>\n450<\/td>\n450<\/td>\n450<\/td>\n450<\/td>\n<\/tr>\n
Max Shredding Diameter (mm)<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n<\/tr>\n
Max Working Depth (mm)<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n150<\/td>\n<\/tr>\n
No. of Teeth (type PSC\/3 + C\/3\/SS)<\/td>\n22+4<\/td>\n26+4<\/td>\n32+4<\/td>\n38+4<\/td>\n38+4<\/td>\n42+4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* Asterisk on tractor power indicates optimal operating range. ST = Single Transmission. DT = Dual Transmission.<\/p>\n<\/div>\n

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2. About Our 70-150HP PTO STONE CRUSHER PSC MODELS<\/h2>\n

The EP-70-150HP PTO stone crusher<\/strong> is a tractor-mounted rock crushing attachment engineered for farmers, land managers, and civil construction contractors who need to clear, crush, and recycle stones directly in the field. Designed for tractors in the 70 to 150 horsepower range, the PSC series connects to the tractor’s standard three-point hitch and draws power exclusively through the PTO shaft \u2014 no separate hydraulic circuits or auxiliary engines required. This direct drive simplicity translates into faster setup time, lower maintenance complexity, and a more predictable power delivery compared to hydraulically driven alternatives available in the market.<\/p>\n

What separates the PSC series from lighter-duty stone crusher machines<\/strong> is its rotor architecture. A 450 mm diameter rotor carries precision-set PSC\/3 cutting teeth combined with C\/3 side support picks and stainless steel wear plates (SS type). The tooth count scales with the working width \u2014 from 22+4 on the narrowest 1110 mm model to 42+4 on the widest 2070 mm configuration \u2014 ensuring consistent stone coverage across the full pass width. Maximum shredding diameter is 150 mm, accommodating the majority of surface and near-surface rocks encountered in agricultural fields, vineyards, olive groves, and light construction sites. The maximum working depth of 150 mm allows the rotor to engage embedded stones at a level that would otherwise require manual removal or deep tillage equipment.<\/p>\n

For Korean agricultural operations, particularly in the rocky hillside and terraced farmland areas common across Gyeongbuk, Chungcheong, and the southern peninsula regions, a tractor stone crusher<\/strong> of this power class fills a critical gap. Rather than renting heavy excavators or hiring manual labor to remove stones before planting, Korean growers can attach the PSC crusher to an existing mid-size tractor and process the field in a single pass, reducing both time and seasonal input costs substantially. The machine is equally suited for land reclamation projects, road shoulder maintenance, and paddy-to-upland conversion work increasingly common in Korea’s changing agricultural landscape.<\/p>\n

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3. Five Key Product Advantages of PTO Stone Crusher<\/h2>\n
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\u2460 Pure PTO Drive \u2014 No Hydraulics Needed<\/div>\n

The EP-70-150HP connects solely through the tractor PTO shaft, operating at either 540 or 1000 rpm depending on the model. This eliminates the need for supplementary hydraulic plumbing or remote cylinder connections, meaning virtually any compatible tractor \u2014 whether a Korean-built LS Tractor, TYM, or an imported John Deere or New Holland \u2014 can run the crusher without additional valve kits. The direct mechanical drive also delivers more consistent rotor torque under heavy stone loads than hydraulic systems, which can suffer pressure drops when multiple circuits are engaged simultaneously.<\/p>\n<\/div>\n

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\u2461 Wide Model Range for 70\u2013150 HP Tractors<\/div>\n

Six PSC series configurations \u2014 from PSC\/ST 100 through PSC\/DT 200 \u2014 cover tractors from 70 hp all the way to 150 hp, with working widths spanning 1110 mm to 2070 mm. This breadth means a small family farm running a 70 hp tractor can enter the PSC lineup at the narrowest model, while a larger cooperative managing hundreds of acres can step up to the dual-drive 150 hp variants without switching to a completely different product family. Standardized rotor diameter (450 mm) and tooth geometry across all models simplify spare parts stocking.<\/p>\n<\/div>\n

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\u2462 150 mm Shredding Capacity at Full Working Depth<\/div>\n

Unlike lighter small pto stone crusher<\/strong> units that handle only surface pebbles, the PSC series processes stones up to 150 mm in diameter at a maximum working depth of 150 mm. This combination is sufficient to break up the embedded rock layers frequently encountered when converting uncultivated hillside plots in Korea, reducing them to manageable gravel that remains in the soil profile as drainage aggregate rather than being hauled off-site \u2014 a meaningful labor and transport cost saving.<\/p>\n<\/div>\n

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\u2463 PSC\/3 + C\/3 + SS Tri-Type Tooth Configuration<\/div>\n

The rotor tooth layout combines three tooth types on the same drum: the primary PSC\/3 cutting picks handle initial stone fracture; the C\/3 counter picks provide secondary reduction on larger fragments; and the SS stainless end-plates protect the rotor side flanges from abrasive wear at the outermost cutting edges. This tri-type arrangement extends overall tooth life and reduces the likelihood of uneven rotor wear patterns that can cause vibration on single-tooth-type designs common in lower-cost stone crusher machines<\/strong>.<\/p>\n<\/div>\n

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\u2464 Three-Point Hitch Compatibility and Transport-Ready Design<\/div>\n

The PSC series mounts to any standard ISO 730 Category II or III three-point hitch, making it compatible with the full range of mid-size tractors sold in Korea and globally. When transport between fields is required, the machine lifts cleanly on the tractor linkage, and total widths (from 1414 mm to 2374 mm depending on model) remain within standard road transport limits for most models \u2014 a practical consideration in Korea’s narrower rural road network where oversized equipment transport requires permits.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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4. How the PTO Stone Crusher Works<\/h2>\n

The operating principle of a tractor pto stone crusher<\/strong> is straightforward but relies on precisely engineered rotor dynamics to achieve effective stone reduction at agricultural forward speeds. When the tractor operator engages the PTO, rotational power from the tractor’s transmission is transferred through the driveshaft to the crusher’s input gearbox. Inside the gearbox, a bevel gear set and output shaft redirect the rotation to drive the rotor drum at the correct operational speed. The gearbox is one of the most critical mechanical components in the system \u2014 its design must handle peak impact torque generated when the rotor teeth strike embedded stones, which can reach multiples of the steady-state drive torque within milliseconds.<\/p>\n

As the tractor moves forward, the rotor spins at high speed, with the cutting teeth sweeping downward into the soil surface in the direction of travel. When a tooth contacts a stone, the kinetic energy stored in the rotor’s rotating mass is transferred into the stone through the hardened tooth tip, fracturing the rock along its natural cleavage lines. Larger stones require multiple tooth strikes across successive rotor passes as the tractor advances. The crushed material \u2014 now reduced to gravel-sized fragments \u2014 is retained under the rear hood of the machine until fine enough to pass through the rear screen or deflector, at which point it is deposited back into the field as distributed stone mulch. This in-situ processing is what makes a pto driven stone crusher<\/strong> far more efficient than excavating and removing rock for off-site crushing.<\/p>\n

The pto stone crusher machine’s depth is controlled by the tractor’s three-point hitch position adjustment or via the rear depth roller (fitted on some configurations), allowing the operator to precisely target the 0 to 150 mm working depth range. Shallower passes are used for light surface stone clearing on established fields, while maximum-depth passes suit initial land clearing on previously uncultivated rocky ground. PTO speed selection \u2014 540 or 1000 rpm depending on PSC\/ST models \u2014 adjusts rotor peripheral velocity, with higher PTO speed delivering more aggressive crushing action suited for harder stone types.<\/p>\n<\/div>\n

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4. Material Construction of PTO Stone Crusher<\/h2>\n

The structural integrity of any pto stone crusher\u00a0depends almost entirely on the materials selected for its most stress-exposed components. In the PSC series, the main chassis frame is fabricated from high-tensile structural steel plate, with critical weld joints reinforced through double-pass MIG welding and stress-relief treated after fabrication. This prevents fatigue cracking at weld toes \u2014 one of the most common failure modes in heavy agricultural machinery subjected to continuous impact loading from stone strikes.<\/p>\n

The rotor drum itself is machined from forged and normalized alloy steel. The tooth holders \u2014 the pockets into which the replaceable PSC\/3 cutting picks and C\/3 secondary picks are locked \u2014 are precision-bored to maintain concentricity tolerances tight enough to ensure balanced rotor rotation. Out-of-balance rotors at 1000 rpm generate significant bearing loads and vibration, so manufacturing precision at this step directly affects machine longevity and operator comfort. Each tooth holder is heat-treated to a surface hardness that resists deformation from repeated rock impacts while retaining enough toughness in the core to absorb shock without brittle fracture.<\/p>\n

The replaceable cutting teeth are manufactured from tungsten carbide-tipped or chromium-molybdenum alloy tool steel, depending on configuration. The SS stainless steel side plates fitted at the rotor ends provide corrosion resistance and abrasion resistance in the wet-soil operating environment typical of paddy-adjacent fields and post-rain land clearing in Korea’s monsoon season. The rear hood and side shields are constructed from wear-resistant Hardox-grade steel plate or equivalent, offering superior impact resistance compared to mild steel covers found on lower-cost pto stone crusher\u00a0products.<\/p>\n

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5. Application Scenarios of PTO Stone Crusher<\/h2>\n

The EP-70-150HP pto stone crusher for tractor<\/strong> serves a broad range of land preparation and maintenance tasks wherever surface and embedded rocks create operational challenges for cultivating, mowing, or infrastructure work.<\/p>\n

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Agricultural Land Preparation in Rocky Fields<\/strong><\/p>\n

This is the primary use case for most buyers of a stone crusher for tractor<\/strong>. Fields that contain significant rock content \u2014 whether from glacial deposit, hillside erosion, or prior land use \u2014 cannot be tilled effectively without first reducing or removing the stones. The PSC series processes these rocks in situ, leaving a cultivatable seedbed without the expense of rock-picking attachments, manual labor, or haul-away services. In Korea’s mountain-adjacent farming zones, this application alone justifies machine investment within one to three seasons.<\/p>\n<\/div>\n

Vineyard and Orchard Floor Management<\/strong><\/p>\n

Vineyards and orchards on rocky soils \u2014 widespread across the Mediterranean, South America, and increasingly in Korea’s expanding fruit-growing regions \u2014 benefit directly from agricultural stone crusher<\/strong> equipment that can work between tree rows. The narrower PSC\/ST 100 and PSC\/ST 125 models fit inter-row clearances typical of established vine or tree spacing, crushing stones that would otherwise damage mowing equipment blades or interfere with drip irrigation line installation. The crushed stone remaining in the row floor also improves drainage and reduces dust.<\/p>\n<\/div>\n

Road and Track Shoulder Preparation<\/strong><\/p>\n

Rural access roads in Korea and throughout Asia often have stone-covered unpaved shoulders that create hazards for vehicles and impede roadside drainage maintenance. A tractor driven stone crusher<\/strong> can systematically process these shoulder areas, reducing protruding rocks to road gravel without the cost of a dedicated road grader or crusher plant. Municipal road maintenance contractors and county agricultural departments in Korea increasingly specify PTO-driven stone crushers for this kind of low-volume but widespread infrastructure maintenance work.<\/p>\n<\/div>\n

Reclamation of Previously Uncultivated Land<\/strong><\/p>\n

Abandoned hillside paddies, former forestry plots, and marginal land parcels often contain a combination of surface rocks, root stock, and shallow stone layers that standard tillage machinery cannot penetrate. The PSC stone crusher handles the initial pass on this category of land, pulverizing the stone layer and breaking compacted surface crusts so that subsequent tillage and seeding operations can proceed. This multi-stage reclamation approach \u2014 crusher first, subsoiler second, cultivator third \u2014 is becoming a documented best practice among Korean land development contractors converting idle land to productive agricultural use.<\/p>\n<\/div>\n

Construction Site Clearing and Gravel Production<\/strong><\/p>\n

Small civil construction and landscaping contractors use portable stone crusher machine<\/strong> attachments \u2014 like the PSC series on a mid-size farm tractor \u2014 to clear rocky areas ahead of foundation work, drainage trench installation, or green space development. The resulting crushed stone can serve as on-site fill material, compacted base layer aggregate, or decorative gravel in landscaping applications, reducing the need to import crushed stone from quarries and lowering site material costs. This dual-purpose utility \u2014 clearing and producing usable aggregate simultaneously \u2014 is a compelling selling point for Korean civil contractors operating in rocky terrain.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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6. Applicable Standards & Regulations<\/h2>\n

PTO-driven agricultural machinery, including tractor stone crusher for sale<\/strong> products, is subject to machinery safety standards, gearbox performance regulations, and agricultural equipment certification requirements that vary by market. Understanding these requirements is essential for procurement managers sourcing equipment for regulated operations.<\/p>\n

Korea (\uad6d\ub0b4 \uaddc\uc815):<\/strong> Agricultural machinery sold in Korea must comply with the Agricultural Mechanization Promotion Act (\ub18d\uc5c5\uae30\uacc4\ud654 \ucd09\uc9c4\ubc95) and associated Ministry of Agriculture, Food and Rural Affairs (MAFRA \/ \ub18d\ub9bc\ucd95\uc0b0\uc2dd\ud488\ubd80) safety certification requirements. PTO-driven implements are specifically addressed under Korean Industrial Standard KS B 6230, which covers power transmission safety guards and driveshaft enclosures for agricultural equipment. The Rural Development Administration (RDA \/ \ub18d\ucd0c\uc9c4\ud765\uccad) administers performance testing for agricultural machinery claiming government procurement eligibility. Gearboxes fitted to PTO attachments must also comply with KS B 6208 governing power transmission components. Importers of the PSC series for the Korean market should ensure CE documentation and conformity declarations are available for customs clearance under HS Code 8432.80.<\/p>\n

European Union:<\/strong> The EU Machinery Regulation (EU) 2023\/1230 (replacing Directive 2006\/42\/EC from 2027) requires CE marking for all agricultural machinery placed on the EU market. PTO shaft safety guards must conform to EN ISO 4254-7 (Agricultural machinery \u2014 Safety \u2014 Part 7: Combine harvesters, forage harvesters and cotton harvesters, and \u2014 more broadly \u2014 implement-specific safety sections). Gearbox noise and vibration must satisfy Directive 2006\/42\/EC essential health and safety requirements. EN 12100 provides the general risk assessment framework applicable to all machinery design.<\/p>\n

United States:<\/strong> ASABE Standard S318.15 governs agricultural tractor PTO connection dimensions and safety. OSHA 29 CFR 1928.51 specifically addresses rollover protection and PTO guarding for agricultural tractors. The PSC series PTO connection conforms to ASABE S318 for interchangeability with ASABE-compliant tractor PTO shafts, including 1000 rpm and 540 rpm spline profiles used across American-market tractors.<\/p>\n

Australia and New Zealand:<\/strong> AS\/NZS 4024.3301 covers safety of agricultural machinery, with specific provisions for PTO-driven implements. Agricultural machinery importers in Australia must also comply with the Australian Competition and Consumer Commission (ACCC) product safety framework, and gearbox lubricants used in imported equipment must comply with environmental regulations under NGER Act provisions where applicable.<\/p>\n<\/div>\n

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7. Compatible Drive Components<\/h2>\n

A \u043a\u0430\u043c'\u044f\u043d\u0430 \u0434\u0440\u043e\u0431\u0430\u0440\u043a\u0430 \u0437 \u0432\u0456\u0434\u0431\u043e\u0440\u0443 \u043f\u043e\u0442\u0443\u0436\u043d\u043e\u0441\u0442\u0456<\/strong> system performs best when the full drive train \u2014 from tractor output shaft to rotor input \u2014 is matched in torque capacity and geometric specification. We supply the complete range of compatible drive components alongside the PSC crusher, enabling one-stop sourcing for new installations and field replacements.<\/p>\n

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PTO Shaft Assemblies<\/strong><\/p>\n

The PTO driveshaft connecting the tractor output to the crusher input gearbox must be correctly rated for the torque and speed range of the PSC series pto stone crusher. We supply telescoping PTO shaft assemblies with integrated overrun clutches and shear bolt torque limiters appropriate for 70\u2013150 hp drive applications. Shafts are available in both 540 rpm (6-spline) and 1000 rpm (21-spline) variants to match the tractor’s PTO type. Using a correctly rated PTO shaft prevents driveline shock damage during stone strikes that generate impulse torque spikes well above steady-state ratings.<\/p>\n

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Gearboxes for Stone Crusher Drives<\/strong><\/p>\n

The input gearbox on the PSC series must handle the full rated power of a 150 hp tractor at 1000 rpm input, translating rotation to the rotor at correct speed and torque multiplication. Our compatible gearboxes are engineered with helical or bevel-helical gear sets in case-hardened alloy steel, housed in ductile iron cases capable of absorbing peak impact loads. Gearbox oil capacity and thermal rating are sized for continuous duty cycles in hot summer field conditions.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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8. About Us – PTO Stone Crusher Manufacturer<\/h2>\n

We are a specialized manufacturer of tractor-mounted land management equipment, with focused engineering capability across the full range of pto stone crusher manufacturers<\/strong> requirements \u2014 from compact single-rotor crushers for small farms to heavy-duty dual-drive models for large-scale land reclamation projects. Our engineering team has accumulated substantial field data from deployments across rocky agricultural terrain in Europe, Asia, and the Americas, using that operational feedback to continuously refine rotor geometry, tooth metallurgy, and gearbox sizing in each product generation.<\/p>\n

Our quality system follows ISO 9001 manufacturing standards, and each machine undergoes functional testing on the production floor before shipment. Export documentation packages \u2014 including CE declarations, material certificates, operation manuals in Korean (\ud55c\uad6d\uc5b4), and customs-ready commercial invoices \u2014 are prepared as standard for Korean and Asian-market shipments. We have established logistics channels to Korean ports including Busan and Incheon, with experience navigating Korea’s agricultural equipment import certification process under MAFRA requirements.<\/p>\n

Whether you are sourcing a tractor stone crusher for sale<\/strong> for your first land clearing project or expanding an existing fleet with additional models, our sales engineering team can assist with tractor compatibility verification, model selection based on field stone size and density, and spare parts provisioning for multi-year operational coverage.<\/p>\n<\/div>\n

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Frequently Asked Questions<\/h2>\n
\nQ1. What is a PTO stone crusher and how does it attach to my tractor for use on rocky Korean farmland?<\/summary>\n
A \u043a\u0430\u043c'\u044f\u043d\u0430 \u0434\u0440\u043e\u0431\u0430\u0440\u043a\u0430 \u0437 \u0432\u0456\u0434\u0431\u043e\u0440\u0443 \u043f\u043e\u0442\u0443\u0436\u043d\u043e\u0441\u0442\u0456<\/strong> is a tractor-mounted implement that attaches via the standard three-point hitch and receives power through the tractor’s PTO shaft \u2014 no separate engine or hydraulic circuit needed. The machine uses a high-speed rotor fitted with hardened cutting teeth to fracture and crush rocks directly in the field. For Korean farms with rocky hill-zone plots, it eliminates the need to hand-pick or excavate stones before cultivation, processing them into small gravel that stays in the soil.<\/div>\n<\/details>\n
\nQ2. Which PSC model should I choose for my 100 hp Korean-brand tractor working in a rocky hillside vineyard?<\/summary>\n
For a 100 hp tractor, both the PSC\/ST 175 (working width 1830 mm) and PSC\/DT 175 are rated for 100\u2013150 hp. For vineyard inter-row work where row spacing is tight, the PSC\/ST 125 (1350 mm working width, rated for 80\u2013120 hp) may be a better fit. Provide us your row spacing dimension and tractor PTO spec (540 or 1000 rpm) and we will confirm the correct model for your site conditions.<\/div>\n<\/details>\n
\nQ3. How does a pto stone crusher differ from a standalone portable stone crusher machine for agricultural use?<\/summary>\n
A pto stone crusher (like the PSC series) processes rocks directly in the field as the tractor drives across it, depositing crushed material back into the soil. A portable stone crusher machine<\/strong> is typically a standalone diesel-powered jaw or impact crusher that requires stones to be excavated and loaded before processing. Tractor-mounted crushers are more economical for agricultural field clearing because they combine rock removal and crushing in a single machine pass without additional excavation or material handling equipment.<\/div>\n<\/details>\n
\nQ4. What is the maximum stone size a small PTO stone crusher in the 70\u2013100 hp range can crush in a single pass?<\/summary>\n
The PSC\/ST 100 model \u2014 the entry-level unit in our range for tractors from 70 hp \u2014 handles stones up to 150 mm in diameter at a working depth of up to 150 mm. This is the standard specification across all PSC series models, regardless of working width. Stones significantly larger than 150 mm may need to be broken by a separate hydraulic hammer or rock breaker before the crusher can process them efficiently.<\/div>\n<\/details>\n
\nQ5. What are stone crushers used for in Korean agriculture and how do they help with land reclamation on rocky terrain?<\/summary>\n
In Korea, pto stone crushers\u00a0are primarily used to clear surface and embedded rocks from hillside fields, terraced paddies being converted to upland crops, and former orchard sites being reclaimed for new cultivation. By reducing rocks to gravel-sized fragments in one pass, the crusher eliminates the most time-consuming and physically demanding aspect of rocky land preparation, making previously marginal plots economically viable to cultivate. Secondary uses include road shoulder maintenance and construction site clearing in rural areas.<\/div>\n<\/details>\n
\nQ6. How does the PTO gearbox on a tractor-driven stone crusher handle peak impact torque without breaking during heavy fieldwork?<\/summary>\n
The PSC series pto stone crusher input gearbox is designed with gear geometry and housing dimensions rated for peak impact torque well above the steady-state PTO output of a 150 hp tractor. An overrun clutch in the PTO shaft assembly absorbs sudden rotor deceleration events when the teeth strike large embedded stones, preventing that shock from propagating back into the gearbox and tractor transmission. Additionally, the flywheel effect of the 450 mm diameter rotor provides rotational energy storage that helps maintain rotor speed through momentary stone impact events without stalling the PTO.<\/div>\n<\/details>\n
\nQ7. When should a Korean farmer consider using a pto stone crusher for hire versus purchasing one outright for their operation?<\/summary>\n
Hiring a tractor stone crusher for hire<\/strong> makes sense for one-time land clearing tasks on a plot that won’t require annual stone management \u2014 such as a single reclamation project. Purchasing becomes economically justified when the operation has multiple rocky fields requiring annual pre-cultivation stone clearing, or when the crusher can generate income through contractor work for neighboring farms. At typical Korean custom farm work rates, machine cost recovery on purchased equipment often occurs within two to four seasons for farmers with more than 2\u20133 hectares of rocky land.<\/div>\n<\/details>\n<\/div>\n<\/div>\n

Editor: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The PTO STONE CRUSHER PSC MODELS is a lightweight series crusher produced by our company. The product is compact and lightweight, making it extremely versatile. For example, it is particularly suitable for stone ground treatment in narrow areas such as rural roads and driveway maintenance, farms, and pasture renovation. After the machine passes, the bulldozer component helps maintain a level surface.<\/p>","protected":false},"featured_media":286,"template":"","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"

1. Technical Specifications of PTO STONE CRUSHER PSC Models<\/h2>\r\n\"PTO\r\n\r\n\u00a0\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
PTO STONE CRUSHER PSC Models<\/th>\r\nPSC 100<\/th>\r\nPSC125<\/th>\r\nPSC150<\/th>\r\nPSC 175<\/th>\r\nPSC 175<\/th>\r\nPSC 200<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Tractor (hp)<\/td>\r\n70-120*<\/td>\r\n80-120*<\/td>\r\n90-120*<\/td>\r\n100-120*<\/td>\r\n100-150<\/td>\r\n120-150<\/td>\r\n<\/tr>\r\n
PTO (rpm)<\/td>\r\n540-1000<\/td>\r\n540-1000<\/td>\r\n540-1000<\/td>\r\n540-1000<\/td>\r\n1000<\/td>\r\n1000<\/td>\r\n<\/tr>\r\n
Working width (mm)<\/td>\r\n1110<\/td>\r\n1350<\/td>\r\n1590<\/td>\r\n1830<\/td>\r\n1830<\/td>\r\n2070<\/td>\r\n<\/tr>\r\n
Total width (mm)<\/td>\r\n1414<\/td>\r\n1654<\/td>\r\n1894<\/td>\r\n2134<\/td>\r\n2134<\/td>\r\n2374<\/td>\r\n<\/tr>\r\n
Weight (kg)<\/td>\r\n1230<\/td>\r\n1280<\/td>\r\n1440<\/td>\r\n1570<\/td>\r\n1600<\/td>\r\n1750<\/td>\r\n<\/tr>\r\n
Rotor diameter (mm)<\/td>\r\n450<\/td>\r\n450<\/td>\r\n450<\/td>\r\n450<\/td>\r\n450<\/td>\r\n450<\/td>\r\n<\/tr>\r\n
Max shredding diameter (mm)<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n<\/tr>\r\n
Max working depth (mm)<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n150<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\u00a0\r\n

2. Advanced Solutions for Agricultural PTO STONE CRUSHER PSC Models in Korea<\/h2>\r\nThe PSC Series Field Stone Crusher is a purpose-engineered, machine-crafted for land clearing, agricultural site preparation, and rural infrastructure maintenance. Engineered for exceptional durability and consistent performance, the PSC Series efficiently reduces field stones, rocks, and surface debris into smaller, manageable fragments\u2014boasting a maximum shredding diameter of 150mm\u2014making it the ideal solution for pasture renovation, road base preparation, and crop field leveling.\r\nAs a trusted manufacturer of the PSC Series Field Stone Crusher, we prioritize streamlined, robust construction that minimizes downtime and maximizes operational productivity. Compatible with standard tractor PTOs, it integrates seamlessly into existing farm or land management workflows, eliminating the need for specialized auxiliary equipment. For farmers, ranchers, and land contractors, the agricultural-focused PSC Series Field Stone Crusher delivers a cost-efficient solution to mitigate soil damage caused by hidden stones, safeguard tillage implements, and enhance seedbed uniformity\u2014directly supporting improved crop establishment and long-term farm productivity.\r\nMunicipalities and rural developers also depend on this unit for gravel road maintenance and site preparation: its consistent rock sizing optimizes compaction efficiency and drainage performance, ensuring durable, high-quality infrastructure outcomes. Whether you\u2019re seeking a reliable PSC Series supplier, or exploring solutions such as \u201cstone crusher for pasture renovation\u201d or \u201cheavy-duty crusher for rocky farmland,\u201d our product delivers tangible value through proven engineering, easy serviceability, and industry-trusted reliability\u2014designed to meet the rigorous demands of 2B industrial and agricultural applications.\r\n\r\n\u00a0\r\n

3. Application of the PTO STONE CRUSHER PSC Models in Practical Scenarios<\/h2>\r\n
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    • Agricultural Field Preparation<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\nThe PSC Model efficiently crushes surface and shallow-buried stones before or during fallow periods, protecting tillage equipment (such as plows, harrows, and seeders) from damage and creating a more uniform seedbed for improved crop emergence.\r\n
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        • Rural Road & Driveway Maintenance<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\nIdeal for on-site crushing and leveling of fieldstone to maintain or construct farm lanes, forest roads, and residential driveways. This reduces reliance on purchased aggregate and improves road stability and drainage.\r\n