เครื่องบดหินแบบติดตั้งบนรถแทรกเตอร์

EP-80-190hp Tractor Stone Crusher

The Tractor-Mounted Rock Crusher provides a perfect solution for agricultural operations, solving the longstanding problem of obstructive stones that hamper crop growth and machinery efficiency. For land developers and agribusinesses, these stones are major barriers to higher yields and smoother workflows.

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PTO STONE CRUSHER SERIES | Rock Crusher For Korean Farmland

EP-80-190hp Tractor Stone Crusher

A professional tractor stone crusher engineered to pulverize surface rocks, stones, and hard debris across agricultural land, roadside corridors, and rural development sites — built for 80 to 190 hp tractors with dual rotor configurations and tool-free adaptability.

TMRC Series Tractor Stone Crusher — Technical Specifications

All dimensions in millimeters (mm) unless otherwise noted. ST models: 540 rpm PTO. DT models: 1000 rpm PTO. Working depth shown as Max.1–Max.2 range.

ParameterRSL/ST 100RSL/ST 125RSL/ST 150RSL/DT 175RSL/DT 200RSL/DT 225
รถแทรกเตอร์ (แรงม้า)80–12090–120100–120120–190130–190140–190
พีทีโอ (รอบต่อนาที)540540540100010001000
Working Width (mm)100012401480172019602200
Total Width (mm)141016501890213023702610
น้ำหนัก (กก.)160018001960235025002650
Max Shredding Diameter (mm)300300300300300300
ROTOR G/3 — type G/3+STC/3/FP
Working Depth (mm) Max.1–Max.2150–280150–280150–280150–280150–280150–280
No. Teeth28+636+642+650+660+670+6
Rotor Diameter (mm)595595595595595595
ROTOR R — type R/65+R/65/HD
Working Depth (mm) Max.1–Max.2160–280160–280160–280160–280160–280160–280
No. Picks58+1674+1698+16122+16138+16154+16
Rotor Diameter (mm)612612612612612612

Note: RSL/ST models = Single-speed PTO at 540 rpm. RSL/DT models = High-speed PTO at 1000 rpm. Custom working widths and tooth configurations are available on request.

Tractor-Mounted Rock Crusher for draft

2. About Our EP-80-190hp Tractor Stone Crusher

The EP-80-190hp Tractor Stone Crusher is a heavy-duty, tractor-mounted rock crushing attachment engineered to handle surface stones up to 300 mm in diameter and penetrate soil to a working depth of 150–280 mm (ROTOR G/3) or 160–280 mm (ROTOR R). Designed as a true tractor stone crusher solution for mid-to-high horsepower tractors, the TMRC series fits tractors ranging from 80 hp at the entry-level RSL/ST 100 configuration through to 190 hp at the heavy-end RSL/DT 225 configuration, making it one of the most versatile เครื่องบดหิน pto platforms available to professional operators and agricultural contractors.

Unlike conventional tillage equipment that simply buries rocks below the working layer, this stone crusher tractor mounted attachment actually pulverizes rocks into fine gravel-sized fragments and mixes them back into the topsoil. The processed material improves drainage, reduces machinery damage from stone strikes, and can serve directly as a crushed-stone base in road maintenance scenarios. It replaces multiple passes with separate machines — ripper, rock picker, and grader — into a single efficient operation, delivering measurable savings in fuel consumption and operator hours per hectare.

Two interchangeable rotor systems — ROTOR G/3 and ROTOR R — accommodate different site conditions. ROTOR G/3 uses tungsten-carbide-tipped picks in a G/3+STC/3/FP tooth arrangement and is the default choice for moderately rocky soils and mixed-stone farmland. ROTOR R, with its R/65+R/65/HD pick configuration, delivers more aggressive impact energy against harder, larger embedded stones. Both rotors share the same 595 mm and 612 mm diameter specifications respectively, and both are driven by the tractor’s PTO shaft at 540 rpm (ST models) or 1000 rpm (DT models), giving operators the flexibility to match rotor speed to the available tractor output.

3. Five Key Product Advantages of Tractor Stone Crusher

01

Dual Rotor System — One Machine, Two Configurations

The TMRC series tractor stone crusher accepts both ROTOR G/3 (595 mm diameter, G/3+STC/3/FP teeth) and ROTOR R (612 mm diameter, R/65+R/65/HD picks), allowing operators to reconfigure the machine on-site without specialized tools. For a stone crusher for tractor that serves multiple terrain types throughout the working season — from stony vineyard soils to rough pasturelands — this interchangeability eliminates the need to own two separate crushing machines, protecting capital investment and maximizing utilization.

02

Wide HP Range — 80 to 190 hp Tractor Compatibility

Six standard models (RSL/ST 100, RSL/ST 125, RSL/ST 150, RSL/DT 175, RSL/DT 200, RSL/DT 225) span a continuous tractor power band from 80 hp to 190 hp. This means that a farming operation with a 100 hp tractor today can upsize to a 175 hp machine later without replacing the crusher — simply selecting a higher-capacity TMRC model. For Korean agricultural contractors and rural land-development firms sourcing a reliable tractor stone crusher for sale, this scalability delivers long-term investment security.

03

Up to 300 mm Max Shredding Diameter Across All Models

Every TMRC model tractor stone crusher in the range — from the entry 1,000 mm working-width RSL/ST 100 to the widest 2,200 mm RSL/DT 225 — maintains a consistent maximum shredding diameter of 300 mm. This specification means the crusher can handle boulders and embedded stones that would damage conventional rotary tillers or disc harrows, eliminating pre-clearing passes. For Korean upland farming regions where basalt outcrops and volcanic rock fragments are common, this capability directly reduces field preparation time and equipment damage risk.

04

Deep Working Capability — up to 280 mm Penetration

The adjustable working depth ranges of 150–280 mm (ROTOR G/3) and 160–280 mm (ROTOR R) exceed many competing small pto stone crusher models that top out at 150 mm. For operators tackling deeply embedded stones on newly reclaimed land, roadside verges, or terraced hillside plots, the ability to reach 280 mm means fewer secondary passes are needed. This deep-working capacity is a major differentiator when comparing pto stone crusher for sale options in the mid-horsepower category and is particularly valued by Korean land-development contractors working on slope stabilization projects.

05

540 & 1000 rpm PTO Compatibility — Matched to Your Tractor

ST-series models tractor stone crusher (RSL/ST 100, 125, 150) operate at 540 rpm PTO — the most common PTO standard on tractors from 80 to 120 hp — while DT-series models (RSL/DT 175, 200, 225) run at 1000 rpm PTO for higher torque delivery at the 120–190 hp power range. This deliberate segmentation means there is no compromise in rotor tip speed regardless of which configuration is chosen. Operators sourcing a pto driven stone crusher can specify the exact variant that matches their existing tractor’s PTO output, ensuring efficient power transfer and minimal drivetrain stress.

Tractor Stone Crusher for application1

4. How the Tractor Stone Crusher Works

The fundamental operating cycle of a tractor stone crusher in the TMRC series begins at the tractor’s PTO shaft. The PTO rotates at either 540 rpm or 1000 rpm depending on the model series, and that rotational energy is transmitted through a purpose-built gearbox — integrated into the crusher’s main frame — which multiplies torque and transfers drive to the main rotor shaft. The gearbox is a critical component: it must absorb sudden shock loads generated when the rotor teeth strike embedded stones, and its housing, bearings, and gear set are dimensioned for the peak impact forces associated with the maximum 300 mm stone shredding diameter specification.

As the tractor advances across the field, the rotor — spinning at high tip speed — contacts surface and sub-surface stones through its tungsten-carbide cutting tools. Each pick or tooth strikes the stone in a succession of high-frequency impacts, fracturing it progressively from larger fragments into gravel-sized pieces. The crushing chamber formed by the rotor drum and the rear deflector hood contains the fragmented material, allowing it to be redistributed uniformly across the working width. Adjustable skid shoes on both sides of the machine control working depth and prevent the rotor from dropping too aggressively, which could overload the tractor drivetrain or stall the PTO.

The rear hood deflector’s position is adjustable, acting as a secondary size-control mechanism: a lower hood position results in finer output material (more passes through the rotor zone), while raising it allows coarser fragments to exit sooner. This gives the operator direct control over the final surface finish — essential when the processed field will be immediately seeded, planted, or graded for road base. The entire drive line — PTO shaft, universal joints, gearbox, rotor bearings — is protected by a torque-limiting safety clutch that disengages before any structural component is damaged if the rotor encounters an immovable obstacle.

5. Material & Construction of Tractor Stone Crusher

The structural integrity of a tractor stone crusher operating under the severe cyclic shock loads generated by rock impact is entirely dependent on material selection. The main chassis frame of the TMRC series is fabricated from high-strength structural steel plate — typically S355 or equivalent grade — which provides the toughness and yield strength needed to resist the bending and torsional stresses generated during full-width operation across uneven, rocky terrain. Frame members are MIG-welded using full-penetration welds at all primary load paths, and the completed frame is shot-blasted and coated with a two-component epoxy primer followed by polyurethane topcoat for long-term corrosion protection in field environments.

The rotor shaft is a solid alloy-steel forging, heat-treated to achieve the surface hardness and core toughness combination required to handle repeated eccentric loading from asymmetrical stone impacts. Both ROTOR G/3 and ROTOR R use tungsten carbide-tipped cutting tools — a material with hardness typically in the range of 1400–1600 HV (Vickers) — which allows each tooth or pick to maintain a sharp, aggressive cutting geometry far longer than uncoated steel tooling. In practical terms, this translates to thousands of operating hours between tool replacement on typical agricultural soil conditions.

The crushing chamber hood and deflector assembly are constructed from wear-resistant Hardox-equivalent steel plate, which absorbs the abrasive impact of stone fragments without cracking or excessive deformation. Rotor bearings are sealed, self-aligning units selected for extreme-duty agricultural applications, capable of handling the combination of radial load from belt drives and axial load from rotor weight without requiring frequent greasing intervals. All fasteners used in wear areas — tooth holders, pick blocks, and side deflectors — are high-tensile Grade 10.9 bolts, ensuring that the tool retention system does not fail before the tooling itself reaches its wear limit.

6. Application Scenarios of Tractor Stone Crusher

The EP-80-190hp tractor stone crusher operates effectively across a wide range of terrain types and working conditions.

Farmland Reclamation & Stone Clearance

In Korea’s mountainous upland regions — including Gangwon-do and North Chungcheong Province — significant areas of previously uncultivated or abandoned farmland contain shallow bedrock outcrops and dense stone populations that make tillage impossible with standard equipment. The agricultural stone crusher TMRC series processes these stones in a single pass, producing a workable seedbed without removing material from the field. This reduces the logistical cost of stone carting and preserves the topsoil structure that would be disrupted by mechanical rock-picking operations.

Rural Road Construction & Maintenance

The TMRC series functions effectively as a portable stone crusher machine tractor for rural road base preparation. By crushing surface rocks directly in place and grading the resulting gravel into the road sub-base, contractors can establish or rehabilitate farm tracks, access roads, and irrigation channel banks at significantly lower cost than importing crushed aggregate. This application is particularly valuable in Korean rural areas where proximity to commercial quarries is limited and delivery costs make imported gravel prohibitively expensive for short road lengths.

Orchard & Vineyard Soil Preparation

Establishing a new orchard or vineyard on rocky hillside land requires clearing stones not just from the surface but from the rooting zone — often 200 mm or more below grade. The TMRC’s adjustable working depth of up to 280 mm allows the rotor to reach this zone, pulverizing stones that would impede root development and disrupt drip irrigation lines. Korean pear, apple, and wine grape growers in Gyeonggi-do and South Jeolla Province benefit from cleaner soil profiles that extend the productivity window of newly planted perennial crops.

Pipeline & Utility Trench Preparation

Before excavating trenches for water pipes, drainage tiles, or underground electrical cables in rocky ground, site contractors often use a tractor driven stone crusher to pre-crush the trench line. This dramatically reduces excavator tooth wear and speeds the overall trenching cycle — excavators work far faster in crushed material than in intact rock. The TMRC’s narrow entry-level 1,000 mm working width (RSL/ST 100) is well matched to single-trench pre-crushing operations in confined site layouts.

Slope Stabilization & Land Development

Hillside terracing and slope stabilization work in Korea’s mountainous terrain frequently encounters fractured granite and basalt that cannot be removed by blasting (due to proximity to residential areas) but can be fragmented by a heavy-duty เครื่องบดหิน pto. Contractors use the TMRC to create a stable, compactable sub-grade for retaining wall foundations and terrace fill material, avoiding the expense of importing crushed aggregate and minimizing the environmental footprint of the development.

Roadside Verge & Embankment Maintenance

Korean regional highway maintenance departments and rural municipality contractors use tractor stone crusher for hire services to maintain rock-free road shoulders and drainage swales alongside national and provincial roads. The TMRC’s three-point-linkage mounting means it can be attached to standard municipal tractors already in the fleet, eliminating the need for specialized self-propelled crushers that are expensive to purchase and operate at low utilization rates outside of active maintenance seasons.

Tractor Rock Crusher for part

7. Regulatory & Safety Compliance

The gearbox and PTO drive system of a tractor stone crusher is subject to a number of national and international regulations governing machinery safety, emissions, and agricultural equipment standards. Procurement managers and contractors in Korea and other international markets should be aware of the following frameworks when specifying and importing this class of equipment.

South Korea — Agricultural Mechanization Act & RDA Standards

In Korea, agricultural machinery — including tractor-mounted attachments — is subject to the Agricultural Mechanization Promotion Act (농업기계화 촉진법), which is administered by the Rural Development Administration (RDA, 농촌진흥청). Imported machinery must comply with RDA Type Approval (형식검사) procedures for agricultural machinery where applicable. PTO-driven attachments must meet the safety requirements of KS B ISO 11684 (safety signs) and relevant sections of KS R ISO 11684. Gearbox and PTO shaft guarding must conform to KS B 4151 (PTO shaft guards) to minimize operator injury risk. Importers should confirm that relevant KC Mark (전기용품 및 생활용품 안전관리법) requirements are assessed for any electrically controlled components.

European Union — Machinery Directive 2006/42/EC & ISO 4254

For European market operations, the TMRC series must be accompanied by a Declaration of Conformity under the EU Machinery Directive 2006/42/EC (being updated to Machinery Regulation EU 2023/1230). CE marking is mandatory. ISO 4254-7 (agricultural machinery safety — soil tillage machinery) provides the harmonized standard most directly applicable to rotor-type stone crushers. PTO driveline guards must comply with EN ISO 4254-1 (general requirements). Gearbox oil-fill points and ventilation must be positioned to prevent contamination of the crushing zone during operation.

United States — ASABE Standards & OSHA 29 CFR

In the United States, agricultural PTO-driven equipment is governed by ASABE (American Society of Agricultural and Biological Engineers) Standard S207.18 for PTO drives and ANSI/ASABE AD S391.1 for safety for agricultural field equipment. OSHA 29 CFR 1928.57 covers agricultural field equipment guarding requirements for PTO shafts and rotating components. State-level regulations vary, and some states require additional ROPS/FOPS certification on the tractor before operating heavy rear-mounted attachments like a full-width stone crusher for tractor.

Australia & New Zealand — AS/NZS 4600 & WorkSafe

Agricultural machinery in Australia must comply with the Work Health and Safety (WHS) Act and relevant state-level agricultural machinery safety codes. AS 4600 (cold-formed steel structures) and AS 1210 govern structural design, while PTO drivelines must meet AS 1538. WorkSafe Victoria and Safe Work Australia issue specific guidance for tractor-mounted machinery with significant crush and entanglement hazards — particularly relevant for a high-energy rotating เครื่องบดหิน pto. Operators must ensure that mandatory bystander exclusion zones (typically 50 m minimum) are observed during operation.

8. About Us – Tractor Stone Crusher Manufacturer

We are a professional manufacturer and global supplier of heavy-duty agricultural land-clearing and tractor stone crusher equipment, with a longstanding presence in the B2B market for agricultural stone crusher solutions. Our production facility operates under ISO 9001 quality management certification, and every machine undergoes a comprehensive dimensional and functional inspection before leaving the factory. The engineering team responsible for the TMRC series includes mechanical engineers with specialized experience in soil tillage machinery, rotor dynamics, and wear-materials engineering.

For Korean buyers and international procurement teams alike, we offer direct technical consultations to match the correct TMRC model and rotor configuration to specific field conditions. We maintain stock of common wear parts — tungsten carbide teeth, pick holders, and rotor end-caps — to support rapid field servicing without long lead times on replacement components. Whether you need a single machine for evaluation, a fleet order for a contracting business, or a custom-specified configuration for a specialized land-development project, our commercial team is set up to handle requests at any scale.

9. Related Products & System Compatibility

A complete and reliable เครื่องบดหิน pto drivetrain depends on more than just the crusher attachment. The PTO shaft connecting the tractor to the machine and the integrated gearbox are equally critical components that must be matched to the crusher’s torque and speed specifications. We offer a full range of compatible transmission components, giving you the advantage of a single-source supply chain with consistent engineering standards across every part of the system.

PTO Shaft & Sprocket Components

The PTO shaft is the first mechanical link between the tractor and the TMRC stone crusher’s gearbox. Selecting a shaft rated for the peak torque of the specific model — from the 540 rpm entry models through to the 1000 rpm DT-series — is essential for preventing driveline failure during high-impact rock encounters. We supply matching sprocket components that integrate directly with the gearbox input stage, ensuring true dimensional compatibility and eliminating the risk of mismatched spline or overrunning clutch sizing. One supplier for the full drivetrain means a single source of accountability if any system issue arises.

Gearboxes for Stone Crushing Equipment

The gearbox housed within the TMRC frame is the torque-multiplication and direction-change component that takes PTO input at 540 or 1000 rpm and converts it to the precise rotor shaft speed required by the chosen rotor configuration. Our gearbox range is engineered for the shock-load duty cycle of stone crushing equipment, with reinforced housings, heavy-section gear teeth, and high-capacity tapered roller bearings. Matching the gearbox ratio precisely to the rotor type — G/3 versus R — and to the tractor’s PTO speed ensures the rotor tip velocity stays within the design envelope for both crushing efficiency and bearing life. Explore our full gearbox selection:

PTO stone crusher replaceable parts and sprocket

10. Serving Korean Agricultural & Construction Markets

South Korea’s agricultural sector faces a specific set of challenges that make a professional tractor stone crusher a high-value procurement decision. For land development companies and farming cooperatives evaluating a tractor stone crusher for Korean operating conditions, understanding the terrain is the starting point. With approximately 70% of Korea’s land area classified as mountainous, agricultural parcels in regions such as Gangwon-do, North Gyeongsang Province, and South Cholla Province are frequently located on sloped terrain with significant sub-surface stone content — the result of Korea’s granitic and volcanic geology. Conventional rotary tillers and disc ploughs wear out rapidly under these conditions and cannot process stones larger than 80–100 mm without risk of serious damage.

The small pto stone crusher entry point of the TMRC series — the RSL/ST 100 at 1,000 mm working width and compatible with tractors as small as 80 hp — is well matched to the Korean agricultural market, where average farm sizes are relatively small and tractor horsepower ratings tend to cluster in the 80–130 hp range. For larger contractors and government land-improvement agencies undertaking multi-hectare reclamation projects, the RSL/DT 200 and RSL/DT 225 models at 1,960 mm and 2,200 mm working widths respectively offer the productivity rates needed to complete projects within seasonal window constraints.

Frequently Asked Questions

Q1. What is a tractor stone crusher and how does it differ from a standard rotary tiller? ▼
A tractor stone crusher uses high-speed rotating tungsten carbide-tipped picks or teeth to fracture surface and sub-surface stones into gravel-sized fragments that remain in the soil. A standard rotary tiller has sheet-steel L-blades designed to break up soil clods — if a tiller strikes a large stone, the blade bends or breaks and the tractor experiences a severe shock load. The TMRC series is purpose-built with a heavy-duty rotor, shock-absorbing gearbox, and hardened deflector hood to handle rock impacts that would destroy a tillage machine in seconds.
Q2. Which TMRC model tractor stone crusher should I choose for a 120 hp tractor working on rocky farmland in Gangwon-do? ▼
For a 120 hp tractor, the RSL/ST 150 (1,480 mm working width, 540 rpm PTO) represents the top of the single-speed range and is an excellent choice for most rocky upland conditions in Gangwon-do. If your tractor has a 1000 rpm PTO output available, the RSL/DT 175 (1,720 mm working width) becomes accessible and will increase your productivity per hour by approximately 15% due to the wider working width. Our technical team can review your specific stone diameter and soil hardness data to confirm the right rotor type — G/3 or R — for your site.
Q3. How does a tractor PTO stone crusher work and what are the main components I need to maintain? ▼
Power flows from the tractor’s PTO shaft through a driveline universal joint assembly into the machine’s gearbox, which changes the rotational axis and multiplies torque to the rotor shaft. The rotor carries either G/3 or R-type tungsten carbide picks that fracture stones on contact. Maintenance focus areas are: (1) gearbox oil level and condition — check after every 50 hours of operation; (2) tungsten carbide tooth wear — inspect after every 8 hours in abrasive soil; (3) PTO shaft universal joint grease — re-grease every 10 operating hours; (4) rotor bearing seal condition — check for stone ingress after each working day.
Q4. What is the maximum stone size that this tractor stone crusher can process effectively? ▼
All six TMRC models tractor stone crushers share a maximum shredding diameter specification of 300 mm across both rotor types. In practice, this means stones up to approximately 30 cm in longest dimension — roughly the size of a large grapefruit — can be processed in a single pass. Stones significantly larger than 300 mm should be pre-fractured with a hydraulic breaker before the crusher pass, as attempting to process oversized material risks rotor imbalance, excessive gearbox shock loading, and potential structural damage to the machine frame.
Q5. What are the main differences between ROTOR G/3 and ROTOR R on the tractor stone crusher? ▼
ROTOR G/3 uses G/3+STC/3/FP type teeth with a 595 mm rotor diameter and a working depth of 150–280 mm. It is the standard rotor suited to mixed soils with moderate stone density, where the STC/3 tooth geometry provides a good balance between cutting aggressiveness and tip wear rate. ROTOR R uses R/65+R/65/HD picks with a 612 mm rotor diameter and a working depth of 160–280 mm. The R-type picks have a more conical, aggressive geometry that concentrates impact force on a smaller contact area — better for harder, more embedded stones. The R rotor’s higher pick count per working width also means higher impact frequency per unit area, resulting in finer output material on comparable ground.
Q6. When is a small pto stone crusher sufficient and when do I need the larger tractor driven stone crusher model? ▼
The RSL/ST 100 (1,000 mm working width) is the entry point and works well for small parcels under 2 hectares, narrow plot layouts, trench pre-crushing, or orchard row inter-vine processing where a wider machine simply will not fit. Once the working area exceeds 3–5 hectares or the contractor needs to complete the job within a tight seasonal window, stepping up to the RSL/ST 150 (1,480 mm) or RSL/DT 175 (1,720 mm) significantly reduces cost per hectare by increasing output per tractor-hour. For large-scale rural road projects or land reclamation contracts of 10 hectares or more, the RSL/DT 200 or RSL/DT 225 delivers the lowest per-hectare operating cost in the TMRC range.
Q7. What are stone crushers used for in modern Korean agricultural land development? ▼
In Korea’s context, what are stone crushers used for is best answered by looking at the Rural Development Administration’s farmland consolidation programs. Stone crushers are deployed to reclaim abandoned upland fields for vegetable production, prepare sloped terrain for establishment of permanent crops like apples and pears, construct and maintain access roads to remote agricultural parcels, and clear rocky drainage channel banks. They are also used by construction contractors to prepare building pads in rocky terrain as a lower-cost alternative to blasting, and by regional highway departments to maintain stone-free road shoulders along mountain routes.

Editor: PXY

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