Description
1. Technical & Performance Specifications
Below are 20 key technical parameters of the EP-100 Series agricultural machinery gearbox. These figures reflect the actual engineering envelope used when we ship units to OEM hay-tedder and rotary-rake assemblers. Farmers and buyers evaluating this model for agricultural machinery gearbox for sale should compare these values against their implement’s input requirements, especially torque at 540 RPM which is the most common Brazilian PTO standard.
| Paramètre | Specification |
|---|---|
| Modèle | EP-100 Series |
| Gearbox Type | Right-Angle Bevel Gearbox |
| Gear Design | Forged Straight Bevel |
| Matériaux de construction | Two-Piece Aluminum Alloy |
| Shaft Material | High-Strength Alloy Steel |
| Input Shaft Diameter | 1 inch (25.4 mm) |
| Output Shaft Diameter | 1 inch (25.4 mm) |
| Bearing Type | Tapered Roller Bearings |
| Available Ratios | 1:1 / 1.1:1 / 1.43:1 / 1:1.1 / 1:1.43 |
| Max Continuous Input Power | 40.48 kW (54.28 HP) |
| Max Input Speed | 3000 RPM |
| Rated PTO Speed | 540 / 1000 RPM |
| Max Output Torque | 331 Nm (at 1:1, 100 RPM) |
| Lubricant | 80W90 Gear Oil (Factory Filled) |
| Sealing | Double Oil Seals, Leak Tested |
| Weight (with oil) | ~0.7 lb / 0.32 kg |
| Operating Temperature | -20°C to +90°C |
| External Dimensions (L×W×H) | 150 mm × 120 mm × 100 mm |
| Orientation de montage | Horizontal Right-Angle, 3-Bolt Pattern |
| Warranty | 12 Months, Replaceable Internals |
2. Gear Ratio Performance — Torque in Nm
The torque envelope below describes how the EP-100 Series performs across its five available ratios and six standard input speeds. Brazilian hay-tedder OEMs typically select the 1:1.43 or 1:1.1 configuration to step up rotor speed, while rotary rake builders more often specify the 1.43:1 reduction to multiply torque on heavier windrows. This chart is an essential reference for correct agricultural machinery gearbox installation and matching.
| Ratio | Gear Design | Metric | 540 RPM | 1000 RPM | 1750 RPM | 2500 RPM | 3000 RPM |
|---|---|---|---|---|---|---|---|
| 1:1 | 21,21 Bevel | Input kW | 15.12 | 23.32 | 32.05 | 37.70 | 40.48 |
| 1:1 | 21,21 Bevel | Output Nm | 267 | 223 | 175 | 144 | 129 |
| 1.1:1 | 30,33 Bevel | Input kW | 11.36 | 17.63 | 24.39 | 28.81 | 31.00 |
| 1.1:1 | 30,33 Bevel | Output Nm | 221 | 185 | 146 | 121 | 109 |
| 1.43:1 | 21,30 Bevel | Input kW | 7.61 | 12.09 | 17.17 | 20.63 | 22.39 |
| 1.43:1 | 21,30 Bevel | Output Nm | 193 | 165 | 134 | 113 | 102 |
| 1:1.1 | 33,30 Bevel | Input kW | 12.22 | 18.73 | 25.58 | 29.96 | 32.10 |
| 1:1.1 | 33,30 Bevel | Output Nm | 196 | 163 | 127 | 104 | 93 |
| 1:1.43 | 30,21 Bevel | Input kW | 10.04 | 15.25 | 20.63 | 24.03 | 25.67 |
| 1:1.43 | 30,21 Bevel | Output Nm | 124 | 102 | 79 | 64 | 57 |
2. What Is an Agricultural Machinery Gearbox?
An agricultural machinery gearbox is a sealed, oil-filled mechanical drive that changes the direction, speed, and torque of rotational power delivered from a tractor’s Power Take-Off (PTO) shaft to the working tool of a farm implement. Because the PTO output on most tractors runs along the longitudinal axis at 540 or 1000 RPM, a right-angle gearbox like the EP-100 Series translates that horizontal input into a perpendicular output shaft that drives tedder rotors, rake tines, mower discs, or shredder blades. A properly matched agricultural machinery gearbox protects the tractor’s drivetrain from shock loads, absorbs operational vibration, and standardizes the working RPM of the implement so the operator can concentrate on field tasks rather than on mechanical tuning. In practical terms, when a Brazilian farmer hitches a hay tedder behind a 50 HP tractor in Minas Gerais, it is the EP-100 Series bevel gearbox that turns engine horsepower into the fast, even rotation that throws cut forage into the air for rapid drying.
3. Five Key Advantages of the EP-100 Series
1. Lightweight Aluminum Housing
The two-piece precision-machined aluminum case weighs only about 0.7 lbs total with oil, cutting implement weight, improving corrosion resistance in humid Brazilian climates, and dissipating operational heat faster than cast-iron equivalents.
2. Forged Straight Bevel Gears
Precision-forged gear sets in 1:1, 1.1:1, and 1.43:1 ratios deliver accurate mesh geometry, reduced backlash, and a fatigue life suited to seasonal peak loads on hay tedders, rotary rakes, and garden tillers.
3. Tapered Roller Bearings
High-capacity tapered roller bearings handle both radial and axial loads, extending service intervals and allowing the agricultural machinery gearbox to run cool under the long duty cycles typical of sugarcane and forage operations.
4. Factory-Filled & Leak Tested
Each unit is pre-filled with 80W90 gear lubricant and pressure leak-tested before shipment, which means zero setup on the dealer side and no first-run oil procurement for the farmer.
5. 1″ High-Strength Steel Shafts
Both input and output use one-inch high-tensile steel shafts, a globally standardized diameter that simplifies agricultural machinery gearbox parts sourcing and PTO coupling across North American, European, and Mercosur implements.
4. Working Principle
Les agricultural machinery gearbox working principle inside the EP-100 Series is straightforward but precisely engineered. The tractor PTO delivers rotational energy through a universal joint into the input shaft of the gearbox. That shaft carries a forged straight bevel pinion, which meshes at a 90-degree angle with a second bevel gear mounted on the output shaft. Because both gears are precision-forged, tooth contact is distributed across the entire flank, which minimizes noise, friction losses, and pitting wear. Tapered roller bearings on each shaft absorb the axial thrust produced by the bevel mesh and keep the gear centers aligned under load.
Oil inside the two-piece aluminum housing is splash-lubricated by the rotating gears, carrying heat away from the mesh zone toward the housing walls where it is dissipated into the airstream moving across the implement. The gear ratio — 1:1 for pass-through applications, 1.1:1 for slight speed reduction, or 1.43:1 for torque multiplication — determines the output speed and torque delivered to the implement tool. That is the full agricultural machinery gearbox operation cycle, repeated silently thousands of times per minute in the middle of a hay field.
5. Material & Construction
Material selection defines the durability envelope of any agricultural machinery gearbox. The EP-100 Series uses a two-piece cast-and-machined aluminum alloy for the housing, chosen for its strength-to-weight ratio, its natural corrosion resistance against the humid and salt-laden air common to coastal Brazilian farms, and its superior thermal conductivity that bleeds heat away from the gear mesh during extended operation. The housing is machined on a CNC line to guarantee exact gear-center distances and precise bearing preload, which translates directly into quieter running and lower fatigue wear.
Internally, the gears are forged from chromium-alloy steel, then profile-machined, carburized, and precision-ground. Shafts are turned from high-strength alloy-steel bar stock to the industry-standard one-inch diameter. Tapered roller bearings, double-lip oil seals, and OEM-grade fasteners complete the build. Every agricultural machinery gearbox kit leaves the production line with 80W90 gear oil already inside and a leak-test stamp confirming zero weep across all seal interfaces.
6. Application Scenarios
The EP-100 Series is specified for many field tasks. Below is a breakdown of the most common agricultural machinery gearbox application cases our Brazilian distributors report.
Hay Tedders
Small and mid-sized hay tedders across Rio Grande do Sul and Santa Catarina use the EP-100 Series to rotate tine arms at 400–600 RPM, fluffing cut grass for rapid drying. The 1:1.43 step-up ratio is the common choice for small 30–45 HP tractors.
Rotary Rakes
Central-rotor rakes that build windrows for balers pair well with the 1.43:1 ratio, which multiplies torque at the tine arms and keeps the rotor speed steady through dense forage patches common in Mato Grosso do Sul.
Light-Duty Rotary Tillers
Small garden tillers used on family vegetable farms in Espírito Santo adopt the EP-100 Series as a right-angle drop gearbox, converting tractor PTO output into the perpendicular shaft that spins the tine rotor.
Post-Hole Diggers
For fencing work on cattle ranches in Goiás and Mato Grosso, the 1:1 ratio with 1-inch output shaft directly drives auger bits up to 12 inches in diameter, making the EP-100 a versatile boîte de vitesses pour machines agricoles in ranching contexts.
Orchard & Vineyard Mowers
Narrow deck mowers used between coffee rows in Minas Gerais and grapevine corridors in Serra Gaúcha rely on the compact envelope of the EP-100 Series to fit under low canopies without compromising torque.
7. Compliance with Brazilian & International Regulations
Because farm-machinery components circulate across borders, the EP-100 Series agricultural machinery gearbox in Brazil is built to align with the most widely enforced regulatory frameworks.
Brazil: The unit is designed to support compliance with ABNT NBR 14039 and the machinery-related portions of ABNT NBR ISO 4254-1 covering safety of agricultural equipment. For workplace safety, the design supports integration into implements certified under NR-12 (Regulatory Norm No. 12 of the Ministry of Labor) which governs guarding, emergency stops, and mechanical hazards. Implements destined for BNDES Finame financing must use certified drive components, and the EP-100 Series documentation package is prepared to support OEMs through that evaluation. Import and commercial flow also follow INMETRO conformity standards.
Other Regions: European buyers can integrate the unit into implements targeting CE marking under Machinery Directive 2006/42/EC, referencing EN ISO 4254-1. In the United States, the gearbox supports compliance with ANSI/ASABE S318 and OSHA 1928.57 guarding rules. For Argentina and Paraguay, IRAM and Mercosur harmonized standards apply. Australian buyers reference AS/NZS 4024. Across all jurisdictions, the QMS is aligned to ISO 9001:2015.
8. About Us
We are a dedicated manufacturer of bevel gearboxes and farm-drive components, with more than two decades of continuous production history serving OEMs and distributors across the Americas, Europe, and Southeast Asia. Our Brazilian customer base includes hay-tedder assemblers in the south, rotary-rake integrators in the Center-West, and orchard-equipment builders in the southeast coffee regions. We invest annually in CNC machining upgrades, heat-treatment capacity, and metrology equipment, including three-coordinate measuring machines and profile-checking instruments that verify every gear flank before assembly. Our quality system is ISO 9001:2015 certified, and our production team includes engineers with more than 15 years in the bevel-gearbox field. As agricultural machinery gearbox manufacturers, we deliver custom ratios, custom flanges, and full technical drawings to our OEM partners, and we maintain a replacement-parts inventory that keeps farmers productive during the narrow hay-making window. Our commitment is simple — engineer a drive unit that a farmer in São Paulo can rely on without calling a technician.
WorkShop
9. Related Products — One-Stop Farm Drive Supply
Beyond the EP-100 Series, we produce a full range of farm-drive companions, including PTO shafts and electric drive motors designed to pair seamlessly with our bevel gearboxes. Choosing a matched system from a single supplier eliminates compatibility guesswork, shortens lead times, and keeps your agricultural machinery gearbox parts inventory consolidated.
PTO Shaft
Our PTO Shaft line includes 1-inch, 1-3/8 inch 6-spline, and 1-3/4 inch 20-spline configurations with friction clutches and shear-pin protections. Direct pairing with the EP-100 input shaft means a farmer in Brazil can buy both items as a single agricultural machinery gearbox kit and expect plug-and-play fitment.
Electric Drive Motors
For stationary farm applications — grain augers, chaff cutters, small feed mills — our three-phase motors in 0.75 kW to 7.5 kW formats flange-mount directly to EP-Series housings. This makes it easy to convert a PTO-driven implement into a farmyard-stationary unit without changing the core agricultural machinery gearbox design.
Foire aux questions
Q1. Which agricultural machinery gearbox installation steps are critical for new Brazilian OEM assemblers?
A3. Verify the mounting flange is flat to within 0.05 mm, torque the bolts in a cross pattern to 35 Nm, check input shaft alignment with a dial indicator, confirm oil level through the sight plug, and perform a 10-minute no-load run before field use. Skipping alignment is the number-one cause of premature bearing failure.
Q2. What is the working principle behind the EP-100 agricultural machinery gearbox operation?
A4. The tractor PTO spins the input bevel pinion, which meshes at 90 degrees with the output bevel gear. Tapered roller bearings absorb axial thrust, and 80W90 oil splash-lubricates the mesh zone. The selected ratio — from 1:1 to 1.43:1 — determines whether the output favors speed or torque at the implement tool.
Q3. How does the agricultural machinery gearbox design of the EP-100 handle humid tropical conditions?
A7. The aluminum alloy housing resists oxidation far better than painted cast iron, the double-lip oil seals prevent moisture ingress during river-plain fog cycles, and the pre-filled 80W90 lubricant retains viscosity between 5°C night and 42°C midday swings that are common across Brazilian forage regions.
Q4. What lubrication schedule should an agricultural machinery gearbox operator follow on Brazilian farms?
A8. Check oil level every 50 working hours, change the oil at 500 hours or once per hay-making season, and replace seals if any weeping appears. Use 80W90 mineral gear oil. In the dustiest Cerrado harvests, inspect the shaft seals every 100 hours because grit can accelerate seal wear.
Q5. Which agricultural machinery gearbox application cases fit the 1:1.43 ratio best for a small tractor?
A9. The 1:1.43 step-up is ideal when a small 30–45 HP tractor needs to spin a tedder rotor at roughly 770 RPM from a 540 RPM PTO. It is also used on light mulchers, small flail cutters, and orchard sweepers where rotor speed matters more than raw torque.
Q6. When should a Brazilian buyer request a custom agricultural machinery gearbox quote instead of a standard EP-100?
A10. Request a custom quote when your implement needs a non-standard flange pattern, a metric output shaft, a different ratio outside our published set, or a special paint and coating spec for coastal operations. Our engineering team turns custom drawings around in about five working days.
Éditeur : PXY
