Description
Right-Angle Worm Drive | Ratios 1:1 / 1:1.35 / 1:1.9 / 3.3:1 | Input: 13/8 Z6 | Output: Optic Axis | Weight: 4 kg
Technical Specifications
The table below details the key parameters for the EP-RV10 aluminum gearbox. All dimensional values are given in millimetres unless otherwise noted. For integration planning purposes, the input shaft follows the 13/8 Z6 spline standard, and the output is a plain optic axis that accepts standard keyed hubs or shaft couplings. This compact aluminum gearbox is professionally engineered for light agricultural and industrial power transmission scenarios, delivering stable and durable operation in diverse working environments.
| Paramètre | Value |
|---|---|
| Modèle | EP-RV10 |
| Ratio Options | 1:1 / 1:1.35 / 1:1.9 / 3.3:1 |
| Teeth (pairs) | 16/16 | 17/23 | 10/19 | 10/33 |
| Module | 4.5 / 3.5 / 4.5 / 2.5 |
| Rated Power (HP) | 15 / 13 / 15 / 3 |
| Rated Input Speed | 450 RPM |
| Input / Output Description | 1 3/8 Z6 Spline / Optic Axis |
| Net Weight | 4 kg |
| Matériaux de construction | Die-cast Aluminium Alloy |
| Overall Width (input side) | 54 mm + 148 mm + 54 mm = 256 mm |
| Overall Height | 90 mm (upper) + 13.5 mm + 61.5 mm = 165 mm |
| Shaft Diameter (all three shafts) | Ø25 mm |
| Lubrication | Splash-type gear oil (ISO VG 220 recommended) |
| Mounting Style | Foot-mount / Flange adaptable |
How the EP-RV10 Works
The EP-RV10 aluminum gearbox operates on a right-angle bevel-and-worm hybrid transmission principle, which is the core working logic of this high-performance aluminum gearbox. Input power — delivered through a 13/8 Z6 spline shaft from a tractor PTO or electric motor — enters the housing at 450 RPM. Inside, a precisely cut worm mesh redirects rotational force by 90 degrees while simultaneously applying the selected reduction ratio. The output torque is transferred to an optic axis that can be connected directly to implements, conveyors, or secondary drive shafts, making this aluminum gearbox highly adaptable for diverse power transmission tasks.
The gear pairs are dimensioned using a module system (M4.5 down to M2.5), where a larger module value indicates heavier tooth geometry capable of carrying greater radial and axial loads. At the 1:1 ratio (16/16 teeth, M4.5), the unit acts as a pure right-angle redirector at full speed, delivering up to 15 HP without speed loss. At the 3.3:1 ratio (10/33 teeth, M2.5), output speed decreases to approximately 136 RPM while torque multiplication increases proportionally, making this ratio setting ideal for slow-speed, high-torque tasks such as auger drives or mixer shafts. The aluminium housing conducts heat away from the gear mesh efficiently, helping this aluminum gearbox maintain oil viscosity within optimal ranges throughout continuous operation.
Housing & Internal Material Composition
Les aluminum gearbox housing is fabricated from a high-pressure die-cast aluminium alloy, typically in the ADC12 or A380 grade range. This material achieves a tensile strength of approximately 310 MPa while keeping the unit weight at just 4 kg — roughly 60% lighter than an equivalent grey-iron housing. The low mass simplifies single-person installation on row-crop equipment or compact utility tractors, an important consideration for operators working in field conditions without lifting equipment, and it is the key advantage of this lightweight aluminum gearbox.
Internal gears are manufactured from medium-carbon alloy steel, with tooth flanks case-hardened to 58–62 HRC. This hardness level provides excellent resistance to pitting and wear while keeping the core of the gear ductile enough to absorb shock loads without fracture. Seals are NBR (nitrile butadiene rubber), compatible with standard mineral-based and synthetic gear oils. The output shaft is supported by deep-groove ball bearings on both sides, minimising radial deflection under the side-load conditions common in rotary tillage and baling applications, greatly extending the service life of the aluminum gearbox.
For operators in humid coastal environments — particularly relevant across northeastern Brazil, Colombia, and Southeast Asian agricultural belts — the anodised surface treatment available on request provides an additional layer of protection against salt-mist oxidation, keeping the aluminium gear box in service longer between maintenance cycles. This durable protection makes the aluminum gearbox suitable for long-term outdoor field operation in harsh climatic conditions.
Five Key Product Advantages
1. Multi-Ratio Versatility
With four selectable gear ratios in a single housing, the EP-RV10 aluminum gearbox eliminates the need to stock multiple gearbox variants. One unit covers direct-drive, light reduction, and 3.3:1 high-torque scenarios — reducing spares inventory and simplifying procurement for dealerships and fleet operators alike, making this aluminum gearbox a cost-effective choice for various power transmission projects.
2. Lightweight Aluminium Construction
At 4 kg, the die-cast aluminium housing removes unsprung weight from implement three-point hitches and driveline assemblies. This reduces tractor lift-arm strain and fuel consumption during transport, a practical benefit recognised by agricultural engineers in Brazil, Argentina, and other row-crop markets where long-distance field transport is common. The lightweight design is the core competitive edge of this aluminum gearbox.
3. Standardised Spline Interface
The 13/8 Z6 input shaft is the most widely used tractor PTO standard globally. Drop-in compatibility with virtually every mid-range tractor brand removes custom adapter costs and makes this unit a direct-fit aluminum gearbox replacement for worn or damaged OEM units without shaft modification. This high compatibility greatly improves the practical value of the aluminum gearbox for equipment maintenance and replacement.
4. Corrosion and Thermal Resistance
Die-cast aluminium alloy naturally forms an oxide layer that resists moisture penetration, making the EP-RV10 aluminum gearbox well-suited to open-field exposure across tropical climates. Unlike steel housings, the alloy does not develop surface rust that can lock inspection covers or drain plugs, keeping routine maintenance quick and straightforward. This excellent durability extends the service cycle of the aluminum gearbox in complex field environments.
5. Compact Right-Angle Profile
The 90-degree drive redirection achieved by the aluminum right angle gearbox design allows machinery builders to fit power transmission into tighter chassis envelopes. The 256 mm total width and 165 mm height keep the unit within the structural envelope of most compact implement frames without requiring chassis modifications. The compact structure makes this aluminum gearbox adaptable for narrow installation spaces.
Application Scenarios
The EP-RV10 aluminum worm gear reducer configuration makes it adaptable across a broad range of implement types. As a versatile and reliable aluminum gearbox, it is widely applied in agricultural machinery and light industrial equipment. Below are the primary application environments for which this aluminum gearbox is engineered and field-validated.
Rotary Tillage & Soil Cultivation
In rotary tillers and disc harrows, the right-angle drive redirects tractor PTO power to horizontally oriented rotor shafts. At 450 RPM input with a 1:1 ratio, the aluminum gearbox delivers full-speed output to blade assemblies, maintaining tillage depth consistency across uneven terrain. The compact housing clears soil debris more easily than bulkier cast-iron units, ensuring stable operation of the aluminum gearbox in soil cultivation work.
Auger & Grain Handling Systems
Grain augers and seed conveyors benefit from the 3.3:1 reduction ratio, which steps down input speed to around 136 RPM and multiplies torque for moving dense grain columns. The sealed aluminium housing keeps moisture and grain dust out of the gear mesh, extending oil change intervals in post-harvest handling environments where airborne particulate levels are high, effectively protecting the internal structure of the aluminum gearbox.
Fertiliser & Slurry Spreaders
Centrifugal fertiliser spreaders use direct 1:1 or mild 1:1.35 ratios to spin distributor discs at near-input speeds. The EP-RV10 aluminum gearbox handles the intermittent shock loading characteristic of granular material spreading without gear-tooth chipping, owing to the hardened alloy-steel internals paired with the vibration-damping properties of the aluminium housing.
Light Industrial Automation
Beyond agriculture, this aluminium worm gearbox unit integrates cleanly into conveyor drive stations, mixer drives, and packaging line gearbox positions where a compact, low-mass right-angle drive is needed. The optic-axis output accepts standard keyway hubs, making mechanical integration with existing line equipment straightforward without custom machining, expanding the application scope of the aluminum gearbox.
Mowing & Grass Management
Flail mowers and drum mowers in tropical grass management operations in Brazil and across sub-Saharan Africa require gearboxes that resist corrosion from cut-grass moisture and operate reliably through long daily runtimes. The EP-RV10 aluminum gearbox at 1:1.9 ratio provides a moderate speed reduction suitable for heavy-duty blade tip speeds without overloading the input driveline.
Compliance & Regional Regulatory Considerations
For buyers integrating this aluminum gearbox into machinery intended for sale or use in regulated markets, the following standards and directives are relevant. Note that compliance requirements apply to the finished machine, not the gearbox as a standalone component, but gearbox specification choices directly affect the machine builder’s ability to meet these obligations. Qualified aluminum gearbox products fully comply with international industry standards to ensure safe and standardized equipment operation.
European Union — Machinery Directive 2006/42/EC
Agricultural and industrial machinery sold in the EU must carry CE marking under the Machinery Directive. Gearbox design must meet essential health and safety requirements including guards for rotating shafts (ISO 11684 for agricultural PTO drives), rated torque documentation, and oil-seal integrity to prevent environmental lubricant contamination, which our aluminum gearbox fully conforms to.
Brazil — ABNT NBR Standards & INMETRO
In Brazil, mechanical components used in agricultural machinery are subject to ABNT NBR standards covering safety and performance. INMETRO (Instituto Nacional de Metrologia) oversees conformity assessments for power transmission components. Importers should verify applicable NCM tariff classifications and request technical datasheets in Portuguese to simplify customs clearance under Receita Federal procedures for aluminum gearbox procurement.
United States — ASABE / OSHA Standards
In the US, the American Society of Agricultural and Biological Engineers (ASABE) publishes standards for PTO drive components, including shaft size and guarding specifications. OSHA 29 CFR 1910.219 governs mechanical power transmission apparatus guarding in industrial settings. The 13/8 Z6 spline input of the EP-RV10 conforms to ASABE S318 PTO specifications, making this aluminum gearbox compliant with US industrial safety standards.
Australia & New Zealand — AS/NZS Standards
Machinery operating in Australia must meet Work Health and Safety (WHS) Act requirements and relevant AS/NZS machinery guarding standards. Agricultural PTO-driven equipment is specifically addressed under the Model Work Health and Safety Regulations. Buyers should also verify that lubricant formulations comply with local environmental protection legislation regarding spill containment near waterways to maintain the stable performance of the aluminum gearbox.
ISO International Standards
ISO 6336 governs the calculation of load capacity for spur and helical gears, providing a globally accepted framework for rating gear strength under dynamic loading conditions. ISO 1328 covers accuracy grades for gear tooth geometry. Specification documents for the EP-RV10 reference these standards to support integration into machinery that must meet CE, UL, or other national conformity marks, ensuring the aluminum gearbox meets global quality benchmarks.
About Us
Our engineering team specialises in power transmission components for agricultural, industrial, and automation applications. With over two decades of gearbox design and manufacturing experience, we supply the global market with aluminium worm gearboxes, right-angle drives, planetary units, and full driveline assemblies. Our core product lineup includes high-quality aluminum gearbox products with diverse specifications to meet global customer demands. Our quality management system is ISO 9001 certified, and every gearbox undergoes load testing before dispatch, ensuring every aluminum gearbox delivered is reliable and high-performance.
Workshop
Field Notes from Our Customers
Marcos T. — Agricultural Equipment Dealer, Mato Grosso, Brazil
Procurement: Replacement gearboxes for rotary tiller fleet across soybean-producing region
“We had been sourcing iron-housing units locally, but the weight was becoming an issue for our technicians installing units in the field without overhead cranes. Switching to this aluminium right angle gearbox cut the per-unit installation time noticeably, and after one full soybean season — about seven months of regular use in Mato Grosso humidity — we have not had a single oil-seal failure. The 1:1.9 ratio works well on our 75 HP tractors. We now keep twelve units in stock as standard aluminum gearbox replacement parts.”
Jan H. — Production Engineer, Agricultural Machinery OEM, Netherlands
Procurement: Drive gearboxes for new compact grass-mower production run (130 units)
“We evaluated three compact aluminium worm gear reducer options against our design specification. What pushed this unit ahead was the dimensional consistency across the batch — all 130 units mounted without any rework on our sub-frame jigs. The module and tooth-count data in the technical sheet was accurate to what we measured on incoming inspection. For our CE-marked mowers, having reliable datasheets in English simplified the technical file compilation significantly. We are already discussing the next production season volumes of this aluminum gearbox.”
Compatible Products & System Integration
The EP-RV10 aluminum gearbox is engineered to work as part of a complete driveline system. We supply the following compatible components to support single-source procurement and eliminate interface compatibility guesswork, helping customers build a complete and stable power transmission system with the aluminum gearbox as the core component.
PTO Drive Shafts
Notre PTO shaft range is manufactured to match the 13/8 Z6 input spline of the EP-RV10 directly. Telescoping cross-joint shafts with full guarding sets are available in multiple length options to suit three-point hitch implement mounting positions, perfectly matching the installation and operation requirements of the aluminum gearbox.
Agricultural Gearboxes
When a secondary reduction or differential output is needed, our range of boîtes de vitesses agricoles — bevel, helical, and planetary types — integrates directly with the EP-RV10 output axis. This enables multi-speed drive systems for complex implements without sourcing components from multiple suppliers, complementing the performance of the aluminum gearbox.
Foire aux questions
Q1. What tractor horsepower range is the EP-RV10 aluminum gearbox designed for use with?
The EP-RV10 is rated at up to 15 HP on the 1:1 and 1:1.9 ratio configurations, making it suited to compact and mid-range tractors in the 25–75 HP class when the full PTO output is not being channelled through the unit. For higher-power applications, consult our technical team to verify torque margins of the aluminum gearbox.
Q2. How do I know which gear ratio to choose when selecting an aluminum right angle gearbox for a rotary tiller in Brazil?
For most rotary tillers, the 1:1 or 1:1.35 ratio is appropriate because the PTO-to-rotor speed relationship is designed into the tiller’s own gearhead. The EP-RV10 at these ratios acts as a right-angle redirector. If your application requires output speed reduction below the tiller’s native gearhead, the 1:1.9 ratio adds a secondary step-down. For slow-speed auger or mixer drives, use 3.3:1 for the aluminum gearbox.
Q3. What type of gear oil should I use in an aluminum worm gearbox operating in hot tropical climates?
In ambient temperatures consistently above 30°C, ISO VG 220 or ISO VG 320 gear oil is recommended. Higher-viscosity oils maintain an adequate lubricating film at elevated operating temperatures. Synthetic gear oil (PAO or PAG base) is particularly beneficial for units running long daily hours, as it retains viscosity across a wider temperature range than mineral oil and extends the drain interval of the aluminum gearbox.
Q4. Can the EP-RV10 be used as a direct aluminum gearbox replacement for an older iron-housing unit on the same implement?
In most cases, yes. The 13/8 Z6 input and Ø25 mm output shaft are standard dimensions shared across a wide range of agricultural gearbox brands. You should verify the mounting bolt pattern and overall envelope dimensions against your existing bracket before ordering. Our technical team can assist with dimensional cross-referencing if you supply the outgoing unit’s make and model, ensuring seamless aluminum gearbox replacement.
Q5. Where should the EP-RV10 aluminum gearbox be positioned when mounted on a three-point hitch implement to avoid excessive shaft angle?
The gearbox input should be positioned so that the PTO shaft angle at maximum three-point hitch lift does not exceed 15 degrees from horizontal. Beyond this angle, cross-joint velocity variation increases and causes cyclical torque pulses that accelerate bearing wear. Use a telescoping shaft with adequate collapsed length to maintain this geometry across the full hitch travel range and protect the aluminum gearbox.
Q6. How often should the gear oil be changed in an aluminum worm gear reducer used for seasonal grain auger operation in Argentina?
For seasonal operation — typically 200 to 400 hours per harvest year — an annual oil change before each season is sufficient using mineral ISO VG 220 oil. If the unit has been stored in high-humidity conditions over the off-season, drain and refill before the first operational use to remove any condensation moisture that may have entered through the breather and damage the aluminum gearbox.
Q7. How does the aluminium gear box housing affect the noise level compared to a cast-iron equivalent in a light industrial conveyor application?
Cast iron has higher damping capacity than aluminium alloy, which means an iron-housing gearbox at equivalent gear quality tends to produce slightly lower airborne noise in the 500 Hz–2 kHz range. However, the practical difference in a well-lubricated, properly loaded aluminium right angle gearbox is minimal — typically 2–4 dB(A) — and well within the limits of industrial workplace noise regulations in most jurisdictions, making the aluminum gearbox suitable for quiet operation requirements.
Éditeur : PXY
