Descrição
EP-600 Series — Gearbox for Agricultural Machinery
SKU: EP-600 | Category: Agricultural Machinery Gearbox | Heavy-Duty Right-Angle Bevel Drive
Two-Piece Aluminum Housing | 10 Selectable Ratios | 1.75″ Shaft | Forged Straight Bevel Gears
1. Technical Specifications
The following 20 parameters summarize the EP-600 Series under standard operating conditions. Performance figures correspond to the 1:1 ratio configuration at 540 RPM PTO input unless otherwise noted; consult the engineering team for specifications on the nine additional ratios in the product family.
| # | Parameter | Specification / Value |
|---|---|---|
| 1 | Model Number | EP-600 Series |
| 2 | Gearbox Type | Heavy-Duty Right-Angle Bevel Gearbox |
| 3 | Available Ratio Range | 1:1 · 1.18:1 · 1.35:1 · 1.5:1 · 1.86:1 · 2:1 · 1:1.18 · 1:1.35 · 1:1.5 · 1:1.86 |
| 4 | Gear Construction | Forged Straight Bevel (Gas-Carburized & Ground) |
| 5 | Rated Input Speed Options | 100 / 540 / 1000 RPM |
| 6 | Max Input Power (1:1 @ 540 RPM) | 171.29 HP / 127.73 kW |
| 7 | Max Input Power (1:1 @ 1000 RPM) | 235.29 HP / 175.46 kW |
| 8 | Max Output Torque (1:1 @ 100 RPM) | 29,975 in-lbs / 3,387 Nm |
| 9 | Output Torque (1:1 @ 540 RPM) | 19,992 in-lbs / 2,259 Nm |
| 10 | Material de Construção | Cast Aluminum Alloy — Two-Piece |
| 11 | Shaft Diameter (Standard) | 1.75″ (44.45 mm) |
| 12 | Material do Eixo | High-Strength Alloy Steel, Heat-Treated |
| 13 | Configuração do Rolamento | Tapered Roller Bearings — Input & Output |
| 14 | Gear Surface Hardness | 58 – 62 HRC |
| 15 | Factory Lubricant | 80W90 Gear Oil — Pre-Filled & Leak-Tested |
| 16 | Método de Lubrificação | Splash Lubrication (No External Pump) |
| 17 | Unit Weight (Including Oil) | 60 – 70 lbs (27 – 32 kg) |
| 18 | Transmission Efficiency | ≥ 95% |
| 19 | Faixa de temperatura operacional | -20°C a +85°C |
| 20 | Overall Dimensions (L × W × H) | 245 × 205 × 180 mm |
* Reference specifications for the 1:1 ratio configuration. Torque and power figures scale with selected ratio — full data table available on request.
2. Five Key Advantages of the EP-600 Series
Selecting the right agricultural machinery gearbox for a heavy-duty implement build requires weighing several factors beyond headline torque ratings. Here are the five characteristics that distinguish the EP-600 Series for high-performance OEM and replacement applications.
1. Ten Ratio Options in One Housing Platform
No other mid-range bevel gearbox platform offers the ratio flexibility of the EP-600 Series in a single envelope. Reduction ratios from 1:1 straight-through up through 2:1 torque-multiplying, plus overdrive configurations from 1:1.18 through 1:1.86 speed-increasing, give implement engineers exactly the speed-torque profile required for the application — without forcing a compromise on a “close-enough” ratio. For a Brazilian implement OEM producing several models off a common frame architecture, this means one gearbox part number in the inventory system can cover rotary cutter, shredder, auger, and rake drive configurations. Purchasing, spare parts support, and workshop familiarity all benefit from this consolidation. The ratios most commonly specified for agricultural machinery gearbox application scenarios in South America — 1:1.35 for high-speed cutters, 1.35:1 for rotary rakes, 2:1 for heavy shredders — are all catalog items within the EP-600 family.
2. Heavy-Duty Torque Capacity Up to 3,387 Nm
At the 1:1 ratio configuration running at 100 RPM input speed, the EP-600 delivers peak output torque of 3,387 Nm (29,975 in-lbs) — torque capacity that accommodates the heaviest rotary cutters and shredders used on commercial Brazilian farms. At standard 540 RPM PTO input in the 1:1 configuration, sustained output torque is rated at 2,259 Nm (19,992 in-lbs). These torque ratings are not theoretical maxima — they reflect the actual continuous-duty capability of the forged gear set, the tapered roller bearing arrangement, and the aluminum housing’s heat-dissipation capacity operating together. For heavy sugarcane residue shredding, large-scale pasture mowing, or dense-vegetation brush cutting, the EP-600’s torque headroom means the gearbox is not the limiting factor in machine throughput. The unit handles peak torque excursions from sudden load changes (hitting a stump, engaging dense crop patches) without the shock-induced bearing damage that plagues underrated gearboxes.
3. Forged-Gear Integrity with Precision Machining Tolerances
Every bevel gear in the EP-600 Series is forged to near-net tooth form before being finish-machined, heat-treated, and ground to final dimension. Forging produces the grain flow pattern that gives the finished tooth its full fatigue resistance — cast or sintered gears simply do not reach the same bending-fatigue and surface-pitting endurance at equivalent size. After forging, CNC machining establishes tooth profile accuracy, gas carburizing builds surface hardness to 58–62 HRC on the working flanks, and quenching plus grinding corrects heat-treatment distortion to hold ISO 6336 accuracy grades. The housing halves are precision-machined to maintain correct gear mesh geometry and bearing preload between them — the two mechanical parameters that ultimately govern gearbox noise, efficiency, and service life. For buyers evaluating agricultural machinery gearbox manufacturers on measurable quality metrics, these process controls translate directly into consistent product.
4. Tapered Roller Bearings on Both Shafts — Rated for Continuous High-Load Duty
Both input and output shafts are supported by tapered roller bearings — a configuration chosen specifically for its ability to handle combined radial and axial thrust loads at high capacity. Bevel gear meshing produces substantial axial thrust that must be reacted by the bearings; implement duty cycles in rotary cutters and shredders produce additional fluctuating loads that a ball-bearing-only arrangement would handle poorly over time. The tapered roller configuration in the EP-600 maintains correct shaft alignment and gear mesh geometry under peak load conditions where simpler bearing setups would develop play or misalignment. Bearings are dimensioned to ISO 355 standards, so when replacement becomes necessary after many thousands of operating hours, any major bearing distributor can supply direct-fit components. This matters for farm operators in remote regions of Bahia, Goiás, or Tocantins where specialist bearing inventory is rarely available locally.
5. Factory-Commissioned — Ready to Run Out of the Crate
Every EP-600 ships pre-filled with 80W90 gear lubricant at the correct volume, sealed, and leak-tested under pressure before packaging. No commissioning oil fill is required at the workshop or in the field. No uncertainty about whether the fill level is correct. This factory-commissioned approach reflects how we think about the customer relationship: the easier it is for the workshop mechanic or the implement assembler to get the unit running correctly on day one, the longer the gearbox will stay in reliable service. Sealing and leak-testing also catch the rare manufacturing defects (porosity in housing castings, seal damage during assembly) before the unit leaves the factory, rather than in the customer’s workshop where diagnosing and replacing a faulty unit is far more costly.
3. How the EP-600 Works — Agricultural Machinery Gearbox Working Principle
A agricultural machinery gearbox working principle behind the EP-600 is the classical right-angle bevel drive. Rotational power enters through the input shaft from the tractor’s PTO — either at 540 RPM (the universal North/South American agricultural standard) or at 1000 RPM (the European and large-tractor standard), and in some specialized low-speed applications at 100 RPM. The input shaft carries a forged bevel pinion gear whose teeth mesh at 90 degrees with the output bevel gear on the perpendicular output shaft. This 90-degree axis redirection is essential because most agricultural implements need their working drive turning along an axis perpendicular to the tractor’s direction of travel — a rotary cutter blade spinning horizontally under the deck, a shredder rotor spinning transverse to travel, an auger or planter spinning vertically downward.
The ratio selected determines the relationship between input and output speed, and correspondingly between input and output torque. At the 1:1 ratio using a 22/22 tooth pair, input and output rotate at the same speed with no torque multiplication. At 1.35:1 (20/27 tooth pair), the output turns at approximately 74% of input speed and delivers approximately 1.35 times the input torque. At 2:1 (18/36 tooth pair), the output turns at half input speed with torque multiplied by a factor of two (minus typical 4–5% friction losses). The overdrive configurations reverse this relationship — 1:1.35, for example, uses a 27/20 tooth pair to speed up the output while reducing available torque proportionally, suitable for applications requiring high rotor speed from a lower PTO input.
Lubrication inside the EP-600 is handled entirely by splash action: the rotating output bevel gear continuously dips into the 80W90 oil sump at the housing bottom and flings oil upward and outward to coat the mesh contact points, bearing races, and seal surfaces. This passive lubrication requires no external pump, no pressure regulation, and no electrical control — a simple and inherently reliable approach that is exactly why it remains the dominant lubrication method in modern agricultural machinery gearbox design. The aluminum housing provides the thermal pathway that keeps oil temperature in range; the tapered roller bearings maintain correct gear geometry under all load conditions. Together these elements deliver the smooth, efficient, durable power transfer that the implement ultimately converts into work output.
4. Material Composition & Build Quality
The EP-600 Series’s material specification reflects the demands of heavy-duty agricultural implement duty: sustained torque transmission under shock load, thermal cycling from hot-day field operation through cold-morning cold-starts, moisture and chemical exposure from agricultural environments, and repeated coupling and uncoupling of the PTO drive shaft over thousands of operating hours. Every material choice is engineered against these real operating conditions rather than paper specifications.
The housing is cast in two pieces from aluminum alloy and then precision-machined along the mating face to establish correct bearing bore alignment. Aluminum is chosen here deliberately over cast iron: its thermal conductivity — roughly three times that of grey cast iron — drives gear-mesh-generated heat out through the housing walls and dissipates it to ambient air, keeping oil viscosity in the proper operating range even during sustained high-load field shifts. Aluminum’s natural oxide layer also provides excellent corrosion resistance against moisture, agrochemical spray drift, and the plant-sap residues common in sugarcane, coffee, and fruit orchard operations. Weight savings matter too: at 60–70 lbs including oil, the EP-600 is significantly lighter than a cast-iron housing of equivalent strength, which contributes to implement lift capacity margins on smaller tractors.
Internal bevel gears are manufactured from case-hardening alloy steel (typically 20CrMnTi or equivalent international grade), rough-forged to near-net tooth form so the resulting part carries continuous grain flow along the tooth root — a key factor in bending-fatigue endurance. After forging and rough machining, components are gas-carburized at approximately 930°C in controlled atmosphere furnaces to build a 0.8–1.2 mm deep carbon-enriched case. Quenching locks in the microstructure at 58–62 HRC surface hardness on the tooth flanks, with a retained tough core at around 35–40 HRC absorbing shock loads without brittle fracture. Final CNC gear grinding holds tooth form within ISO 6336 accuracy. The 1.75″ shafts are machined from high-strength alloy steel and heat-treated to balance surface wear resistance with bending-fatigue strength at shaft shoulder transitions. Tapered roller bearings throughout are ISO 355 dimensional standard, ensuring replacement bearings are available globally through any mainstream bearing distributor — a critical consideration for Brazilian farms operating far from major logistic hubs.
5. Agricultural Machinery Gearbox Application Scenarios
The EP-600 Series covers a broad agricultural machinery gearbox application range thanks to its high torque capacity and ten-ratio flexibility. Each scenario below represents a deployment environment where the unit’s capabilities are directly matched to the task demands.
Heavy-Duty Rotary Cutters & Brush Hogs
Rotary cutters in the 7–15 foot working width class — used for pasture maintenance, roadside vegetation management, and Cerrado land clearing across central Brazil — rely on heavy-duty right-angle gearboxes to drive horizontal-axis blade carriers from the tractor PTO. The EP-600’s torque capacity and 1:1 or 1.18:1 ratio options match the blade tip speed requirements of these implements while handling the dense vegetation and woody stem impacts that are routine in Brazilian agricultural land management. For contractors and large-property operators sourcing an agricultural machinery gearbox in Brazil for their cutter fleet, the EP-600 provides durable performance through the high-utilization working seasons typical of this sector.
Sugarcane Residue Shredders & Crop Mulchers
Brazil’s sugarcane industry — concentrated in São Paulo, Minas Gerais, Goiás, and Mato Grosso do Sul — generates enormous volumes of post-harvest residue that must be shredded and incorporated for the next planting cycle. Heavy-duty residue shredders operating with horizontal rotor assemblies need gearboxes that can handle continuous high-torque duty under densely fibrous load conditions. The EP-600 in 2:1 or 1.86:1 configurations provides the torque multiplication needed for these applications, and the aluminum housing’s thermal performance prevents oil breakdown during the long daily shifts that characterize sugarcane post-harvest operations. The unit’s reputation among contractors servicing this sector makes it a preferred gearbox for agricultural machinery in high-residue crop environments.
Finishing Mowers & Large-Deck Pasture Equipment
Finishing mowers and pasture maintenance decks in the 10–15 foot working width class — used on large cattle operations in Minas Gerais, Mato Grosso do Sul, and southern Goiás — use right-angle gearboxes rated for continuous-duty pasture mowing. The EP-600’s 1:1.35 or 1:1.5 overdrive configurations are particularly well-suited to these implements, where blade tip speed is the primary driver of cutting quality. The higher shaft diameter (1.75″) and tapered bearing arrangement also cope well with the out-of-balance loads that develop as mower blades wear unevenly — a common reality in commercial pasture mowing operations where blade replacement is scheduled rather than reactive.
Land Planers & Grading Equipment
Powered land planing and grading equipment for field leveling, access road maintenance, and irrigation ditch preparation use gearboxes to drive rotary blades or graders from the tractor PTO. These implements produce heavy, variable loads that can momentarily peak well above the continuous-duty rating — and the EP-600’s ability to handle peak torque excursions without bearing damage is a key reliability factor in this application. For Brazilian agricultural services contractors providing field preparation services to multiple clients, the EP-600 offers the durability profile needed for multi-property daily operations.
OEM Implement Assembly — Regional Brazilian Manufacturers
Brazilian implement manufacturers building heavy-duty cutters, shredders, and auger equipment for domestic sale or export to Argentina, Uruguay, Paraguay, and Bolivia use the EP-600 Series as a standardized right-angle bevel drive across their product range. One gearbox platform covering ten ratio options simplifies BOM management, shortens product development timelines when new implement variants are introduced, and consolidates dealer spare parts inventory. Acceptance of small production-run order quantities and the possibility of custom OEM modifications make the EP-600 especially practical for mid-sized regional OEM builders who cannot commit to the high-volume procurement that major European gearbox suppliers typically require.
6. Regulatory Compliance & International Standards
Agricultural machinery gearboxes and the implements they drive are subject to safety, product liability, and environmental regulations in every major importing jurisdiction. Procurement teams, importers, and OEM builders need to understand the compliance requirements applicable to their destination markets.
Brazil — MAPA, ABNT & INMETRO
In Brazil, agricultural machinery falls under the regulatory scope of the Ministério da Agricultura, Pecuária e Abastecimento (MAPA) and is subject to ABNT technical standards including ABNT NBR ISO 11684 on agricultural machinery safety signage, ABNT NBR 14990 on general agricultural equipment safety, and ABNT NBR ISO 4254 covering self-propelled and non-self-propelled agricultural machinery safety. Commercial imports passing through registered importer channels may require INMETRO conformity documentation for safety-critical sub-assemblies. Portuguese-language technical documentation is a universal expectation for commercial machinery sold in the Brazilian market. When sourcing an agricultural machinery gearbox for sale from overseas, buyers should confirm upfront that their supplier can deliver Portuguese manuals and appropriate ABNT-aligned conformity declarations with the shipment.
European Union — Machinery Directive & ISO 4254
Agricultural equipment placed on EU markets must comply with the Machinery Directive 2006/42/EC — being superseded by EU Machinery Regulation 2023/1230 effective January 2027 — which requires documented risk assessment, a complete technical file, and a Declaration of Conformity (or Declaration of Incorporation for partly completed machinery). Relevant harmonized standards include EN ISO 4254-1 (agricultural machinery general safety) and EN ISO 11684 (safety signs and hazard pictograms). Manufacturers must hold the technical file for at least ten years after the last unit is placed on market. CE-marked gearbox sub-assemblies ship with the associated Declaration of Incorporation and essential technical specifications.
United States & Canada — ASABE, OSHA, CSA
In the United States, the American Society of Agricultural and Biological Engineers (ASABE) publishes voluntary engineering practices widely adopted by equipment manufacturers and insurance providers, including ASABE S318 on machinery terminology, EP496 on agricultural implement safety, and S390 on PTO rotational speed standards. OSHA 29 CFR 1910 governs mechanical power transmission safety in commercial agricultural use. In Canada, CSA standards provide similar regulatory coverage. US and Canadian distributors of agricultural machinery gearbox manufacturers should verify supplier compliance with applicable ASABE and CSA technical requirements.
Australia, New Zealand & Other Regions
Australia applies the AS 4024 Safeguarding of Machinery series and Safe Work Australia practice codes to powered agricultural equipment. New Zealand applies the Health and Safety at Work Act 2015 and WorkSafe New Zealand guidance. Other major markets — India, South Africa, the Middle East — typically apply ISO-aligned national standards supplemented by local PTO safety and machinery labeling requirements. Products designed to ISO 4254 (agricultural machinery safety), ISO 500 (tractor PTO standards), ISO 6336 (gear load capacity), and ISO 9409 (mounting flanges) meet the design baseline for multi-market regulatory compliance and serve as consistent reference points for buyer-supplier technical communication across jurisdictions.
7. About Our Manufacturing Capability
We are a specialist manufacturer of agricultural power transmission components with production capability spanning the full agricultural machinery gearbox category — right-angle bevel gearboxes in light, medium, and heavy-duty classes, worm gearboxes, hydraulic drive gearboxes, PTO shafts, and complementary driveline accessories. Our production facility operates CNC turning and milling centers, gear hobbing and profile-grinding machines, aluminum die-casting capability, controlled-atmosphere heat treatment furnaces, and coordinate measuring machines that together ensure consistent dimensional and gear-accuracy quality across production batches of any size.
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8. Related Products & System Compatibility
An agricultural implement drivetrain performs only as well as its least-compatible component. The gearbox, PTO shaft, and any secondary chain/sprocket transmission all have to be dimensionally and dynamically matched to operate reliably — and the easiest way to guarantee that compatibility is to source them from the same supplier, engineered as a system. We manufacture the complete range of agricultural drive accessories for use with the EP-600 Series and other gearboxes in our product family.
PTO Drive Shafts for Heavy-Duty Implements
The PTO shaft is the direct coupling between the tractor’s output and the EP-600 input, and its universal joint quality has a direct impact on gearbox bearing life. For heavy-duty implements operating with the EP-600 Series, we manufacture telescopic PTO shafts in 1 3/4″ splined profiles with heavy-duty universal joint crosses torque-rated to match the EP-600’s input power ratings. Safety guard tubes cover the full shaft length, and cross-kits are available as separate service items so that worn universal joints can be rebuilt without replacing the entire shaft. Browse compatible heavy-duty PTO shafts engineered for EP-600 installations at our product catalog.
Drive Sprockets & Chains for Secondary Transmission
In implement designs where the EP-600 output shaft drives a secondary chain transmission — common in compound shredders, multi-rotor cutters, and auger assemblies — matched chain-and-sprocket sets are essential to avoid the accelerated pitch-line wear that develops when chain elongation characteristics and sprocket tooth geometry come from uncoordinated suppliers. Our drive chains in ANSI 60, 80, and 100 pitch series are manufactured from case-hardened alloy steel with corrosion-resistant surface treatments suited to outdoor agricultural environments, and our precision-machined sprockets in matching pitches hold ISO 606 dimensional tolerances. Single-supplier chain-and-sprocket matching is particularly important for the high-torque applications in which the EP-600 is typically deployed.
Frequently Asked Questions
Editor: PXY
