🔌 PTO Gearbox for Hayrake — Overview
Power your Hayrake with confidence using our precision-engineered Zapfwellengetriebe, designed from the ground up for the unique demands of hay tedding, windrow formation, forage drying. This robust Landwirtschaftliches Getriebe converts PTO rotational energy into the exact speed and torque profile your hayrake requires, optimising both performance and fuel efficiency. Manufactured in our state-of-the-art facility with advanced CNC and gear-grinding technology, every unit meets exacting tolerances.
What sets our hayrake gearbox apart is the attention to real-world agricultural conditions. We account for shock loads, debris ingestion risks, temperature extremes, and extended duty cycles in our design process. The result is a PTO gear drive that outperforms and outlasts competing products, backed by comprehensive technical support and a robust warranty programme. Join thousands of satisfied agricultural professionals who trust our farm machinery gearbox solutions.

📊 Technical Specifications — Hayrake PTO Gearbox
Below is a comprehensive specification table for our hayrake agricultural gearbox. All parameters are customisable to your specific requirements.
| Parameter | Standard Value | Custom Range |
|---|---|---|
| Input Speed (RPM) | 1000 | 540 / 1000 RPM configurable |
| Output Speed (RPM) | 1200 | Custom ratio available |
| Übersetzungsverhältnis | 1.47:1 | Wide range of ratios on request |
| Rated Input Power | 20-60 HP | Custom power ratings available |
| Maximum Torque (Nm) | 600-1500 | Higher ratings on request |
| Gear Type | Hypoid Gear | Multiple gear configurations |
| Gear Hardness (HRC) | 61-64 | Case-hardened per AGMA standards |
| Gehäusematerial | Aluminium Alloy | Custom alloys available |
| Shaft Diameter — Input (mm) | 38 | 1-3/8″ or 1-3/4″ standard splines |
| Shaft Diameter — Output (mm) | 50 | Metric or imperial options |
| Spline Configuration — Input | 6-spline 1-3/4″ | All standard PTO profiles |
| Bearing Type | Tapered Roller Bearing | Premium SKF / NTN / Timken |
| Seal Type | PTFE Seal | Upgrade options available |
| Lubrication Type | SAE 85W-140 GL-5 | Synthetic-compatible |
| Oil Capacity (L) | 3.3 | Varies by model size |
| Weight (kg) | 35-75 | Depending on ratio & size |
| Surface Treatment | Hot-Dip Galvanizing | Marine-grade optional |
| Mounting Style | Foot Mount | Custom brackets available |
| Operating Temp Range (°C) | -25 to +60 | Extended range on request |
| Service Life (hours) | 10000+ | With proper maintenance |
🏆 Performance Advantages — Why Our Hayrake PTO Gearbox Outperforms the Competition
When comparing our Landwirtschaftliches Getriebe to budget alternatives, the differences are significant and measurable. Here is how our hayrake PTO gearbox delivers superior value:

⚙ How the PTO Gearbox Works in a Hayrake
The PTO gearbox for Hayrake functions as the power conversion hub within the implement’s drivetrain. Positioned at the central drivetrain housing of the machine, it accepts rotational input from the tractor’s PTO shaft — standardised at either 540 or 1000 RPM — and translates this into the precise speed and torque combination needed for effective hay tedding, windrow formation, forage drying.
Within the gearbox housing, the input shaft meshes with a carefully designed gear train. For hayrake applications, this typically involves a multi-stage reduction using hardened steel gears arranged in helical or bevel configurations. The helical arrangement provides smoother engagement and lower noise levels, while bevel gears enable the necessary change in rotational axis orientation. Each gear stage multiplies torque while proportionally reducing speed, delivering the exact power profile the implement requires.
The hayrake gearbox plays several vital roles: it adapts the tractor’s PTO speed to the implement’s operational requirements, it changes the axis of rotation where needed (e.g., from horizontal to vertical or vice versa), and it serves as a structural mount point for the implement’s drive components. Our design ensures that under the dynamic loads characteristic of hay tedding, windrow formation, forage drying — including variable resistance, shock impacts, and continuous duty cycles — the gearbox delivers consistent, reliable performance with minimal power loss and vibration.
🔄 Brand Compatibility, Replacement & Spare Parts
Our hayrake PTO gearbox is engineered as a high-quality replacement for gearboxes used in equipment manufactured by the following brands:
| Compatible Brand | Replacement Capability | Parts Availability |
|---|---|---|
| Grimme* | Direct bolt-on replacement | Full range of gears, seals, bearings & shafts |
| AVR* | Direct bolt-on replacement | Full range of gears, seals, bearings & shafts |
| Dewulf* | Direct bolt-on replacement | Full range of gears, seals, bearings & shafts |
| Ploeger* | Direct bolt-on replacement | Full range of gears, seals, bearings & shafts |
| Simon* | Direct bolt-on replacement | Full range of gears, seals, bearings & shafts |
| Standen* | Direct bolt-on replacement | Full range of gears, seals, bearings & shafts |
* Brand names are mentioned solely for cross-reference and compatibility identification purposes. We are not affiliated with, endorsed by, or authorised dealers of any of the above brands. All trademarks belong to their respective owners.
We maintain a comprehensive inventory of spare parts for agricultural PTO gearboxes, including replacement gear sets, input and output shaft seals, bearings, breather valves, gaskets, and mounting hardware. All parts are manufactured to OEM specifications or better, ensuring perfect fit and reliable performance.

📜 Regulations, Standards & Compliance
Our hayrake PTO gearbox is designed and manufactured in compliance with the following international and Australian standards:
- ISO 500-1:2014 — Agricultural tractors — Rear-mounted PTO — Type 1, 2 and 3
- ASABE S203.13 — PTO definitions and dimensions for agricultural tractors
- AS 1636 — Agricultural machinery safety requirements (Australian Standard)
- ISO 9001:2015 — Quality Management System certification
- CE Marking — European Machinery Directive 2006/42/EC compliance
For Australian customers, our gearboxes comply with SafeWork Australia guidelines for PTO-driven equipment. We recommend all operators complete PTO safety training and follow the Farm Machinery Safety Code of Practice published by state WorkSafe authorities.
Australian Agricultural Regions We Serve
We supply PTO gearboxes for hayrake applications across all Australian agricultural regions, including the wheat belt of Western Australia, the Darling Downs in Queensland, the Riverina in New South Wales, the Western District in Victoria, the Barossa Valley in South Australia, and the Midlands of Tasmania. Local pickup and fast regional freight options are available.
🔎 Quick Selection Guide — Choosing the Right PTO Gearbox for Your Hayrake
Use this guide to identify the key parameters you need before ordering your hayrake PTO gearbox:
| Parameter to Determine | Options / Values | How to Find This Information |
|---|---|---|
| Tractor PTO Speed | 540 RPM / 1000 RPM / Dual | Check your tractor’s PTO specification plate or manual |
| Required Output Speed | RPM value for your hayrake | Refer to hayrake manufacturer’s recommended input speed |
| Gear Ratio Needed | Input RPM ÷ Output RPM | We can calculate this if you provide both speeds |
| Input Shaft Spline | 6-spline 1-3/8″ / 21-spline 1-3/8″ / 20-spline 1-3/4″ | Must match your PTO shaft spline |
| Output Shaft Type | Spline / Keyed / Flanged | Must match your hayrake’s input connection |
| Horsepower Rating | HP value of your tractor | Gearbox must be rated for your tractor’s PTO HP |
| Rotation Direction | CW / CCW (viewed from input) | Must match your hayrake’s requirement |
| Mounting Pattern | Bolt pattern and dimensions | Measure your existing mounting or provide model number |
| Operating Duty Cycle | Intermittent / Continuous / Heavy | Affects gearbox size and cooling requirements |
| Environmental Conditions | Dusty / Humid / Corrosive / Extreme temp | Determines seal type and surface treatment |
💡 Tip: If you are unsure about any parameter, simply provide us with your tractor model and implement model — our engineers will determine the correct gearbox specification for you. Get a free specification check →
🔧 Installation Guide — Fitting a PTO Gearbox to Your Hayrake
Follow these steps to correctly install the PTO gearbox on your hayrake. Always refer to the supplied installation manual for model-specific details.

🚧 Troubleshooting & Fault Diagnosis — Hayrake PTO Gearbox
If you encounter issues with your hayrake agricultural gearbox, use this guide to diagnose and resolve common problems:
| Symptom | Possible Cause | Recommended Solution |
|---|---|---|
| Oil Leaking from Seals | Worn or damaged shaft seals, overfilling, blocked breather, or housing crack. | Replace damaged seals with OEM-specification parts. Check and clear the breather valve. Verify correct oil level. Inspect housing for cracks or porosity. Apply sealant to split-line joints if needed. |
| Overheating (above 90°C) | Insufficient or incorrect lubricant, overloading, bearing pre-load too tight, or ambient temperature extremes. | Verify correct lubricant type and level. Reduce operating load or duty cycle. Check bearing pre-load adjustment. Add cooling measures (shade, airflow) in extreme conditions. Flush and refill with fresh oil. |
| Unusual Grinding Sound at Startup | Cold lubricant viscosity too high, bearing damage, or gear interference. | Allow gearbox to warm up at low speed for 2-3 minutes. If noise persists, inspect bearings and gear mesh. Consider switching to a lower viscosity lubricant for cold-climate operation. |
| Gearbox Seized / Won’t Rotate | Catastrophic bearing failure, foreign object in gear mesh, or lubricant starvation. | Do not force rotation — this may cause additional damage. Remove the gearbox and disassemble for inspection. Identify and replace failed components. Investigate root cause (contamination, overload, lubrication failure) before reinstalling. |
| Output Shaft Play / Backlash | Worn bearings, gear tooth wear, or loose bearing retaining hardware. | Measure backlash with a dial indicator. Compare to specifications (typically 0.05-0.15 mm). Replace worn bearings and adjust pre-load. If gear wear exceeds limits, replace the gear set as a matched pair. |
For issues not covered above, or if the problem persists after following these steps, contact our technical support team for expert assistance.
📝 Case Studies — Engineer’s Field Notes: Hayrake PTO Gearbox in Australia
Real-world performance data from Australian customers using our hayrake PTO gearbox:
❓ Frequently Asked Questions — Hayrake PTO Gearbox
Answers to the most common questions from customers purchasing a PTO gearbox for hayrake applications:
🔩 Related Product — PTO Drive Shafts for Hayrake
For a complete drivetrain solution, pair your hayrake PTO gearbox with our high-quality PTO drive shafts. Manufactured with precision-ground splines, heavy-duty universal joints, and integrated safety shields, our PTO shafts are designed for reliable, safe power transmission between your tractor and implement.

Our PTO shaft range includes standard duty, heavy duty, and wide-angle options in all common lengths and spline configurations. Bundle your PTO gearbox and PTO shaft order for 8-12% savings.
View Our Full PTO Shaft Range →
🚨 Ready to Order? Let Us Power Your Hayrake
With over 20 years of experience in agricultural gearbox manufacturing, we operate a modern production facility equipped with CNC gear hobbing machines, precision grinding centres, coordinate measuring machines (CMM), and comprehensive testing rigs. Our annual production capacity exceeds 50,000 gearbox units, serving customers across Australia, North America, Europe, and Southeast Asia.

Our product range extends beyond PTO gearboxes to include PTO drive shafts, agricultural gear reducers, angle drives, post hole digger gearboxes, fertiliser spreader gearboxes, rotary cutter gearboxes, and a full catalogue of drivetrain components for farm machinery. Learn more about our company →
★ We specialise in custom and non-standard agricultural gearbox solutions. We do not only offer standard, off-the-shelf PTO gearboxes — our engineering team works directly with you to develop bespoke gearbox designs tailored to your unique specifications. Whether you need a modified gear ratio, special shaft configuration, custom housing dimensions, or a complete OEM gearbox designed from scratch, we welcome your drawings, samples, and specifications.
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