Industrial-Strength Rotary Rake Gearbox — Reliable Power for Hay Raking
A quality gearbox separates productive hay raking from costly downtime. Our Rotary Rake agricultural gearbox is the product of advanced metallurgy, precision manufacturing, and extensive field validation across diverse Australian farming environments. The rotary rake gearbox drives one or more large tine arms that sweep cut hay into windrows. Mounted at the top of the rake mast, it converts PTO input into the circular sweeping motion of the rake arms while maintaining consistent ground-following through varying terrain.
Whether you are replacing a failed OEM unit or upgrading to a more durable solution, this gear drive offers drop-in compatibility with leading rotary rake brands and models — backed by engineering support from specification to installation.

📊 Detailed Specifications — Rotary Rake Agricultural Gearbox
我们的 rotary rake gearbox is manufactured to the following specifications. Custom engineering is available for non-standard hay raking applications.
| 范围 | 价值 |
|---|---|
| 净重 | 32 kg |
| 轴承设计寿命(L10) | 6000 hours minimum |
| 反弹 | ≤ 8 arc-minutes |
| 旋转方向 | CCW standard (CW optional) |
| 推荐润滑剂 | SAE 80W-90 GL-5 |
| 安装配置 | 6-bolt circular |
| 输入轴直径 | 30 mm |
| Lubrication Method | Forced circulation |
| 齿轮级数 | 3 |
| 设计标准 | ISO 6336 + FEA verified |
| 范围 | 价值 |
|---|---|
| Gear Surface Hardness | HRC 58 – 64 |
| IP Protection Class | IP55 |
| 输出轴类型 | Keyed shaft |
| 额定负载下的效率 | 98% |
| 可用齿轮比 | 1:1.5 to 1:3.5 |
| PTO输入速度 | 540/1000 转/分 |
| 输入轴花键 | 6齿花键(1-3/8″)/ 21齿花键(1-3/4″) |
| 房屋材料 | 球墨铸铁 |
| 1米处的噪音 | ≤ 72 dB(A) |
| 中心距离 | 80毫米 |
联系我们 工程团队 for a detailed specification sheet tailored to your rotary rake model and hay raking conditions.
⭐ Why Professionals Choose Our Rotary Rake Gearbox
我们秉持透明原则。以下是我们之间具体、可验证的差异。 Rotary Rake gear drive 以及低成本的替代方案:
| Specification | Low-Cost Alternative | Our Engineered Rotary Rake Gearbox |
|---|---|---|
| 备件 | Parts vary batch to batch | Standardized parts across model range |
| 保修与支持 | 6个月有限保修,理赔流程繁琐 | 两年全面保修 + 工程师热线 + 安装支持 |
| 运营效率 | 80-88% — varies wildly between units | 95-97% — 经校准测功机独立验证 |
| 住宅设计 | 焊接钢结构制造,尺寸不一致 | Spheroidal graphite iron (SG700), CNC-machined bearing bores, integrated cooling fins |
| 表面保护 | Brush-applied enamel, inconsistent coverage | 阴极电泳涂装+粉末涂装,1000小时盐雾试验 |
| Expected Service Life | 300-800 hours before first major repair | 5,000-8,000 hours demonstrated in Australian commercial operations |
When your livelihood depends on your rotary rake performing during critical hay raking windows, a quality gearbox is essential. Choose the gearbox validated by millions of Australian field hours.

⚙ From PTO to Tine Arm Drive — Rotary Rake Gearbox Anatomy
我们的 Rotary Rake agricultural gearbox is a specialized power transmission unit for hay raking:
▶ PTO Power Input
▶ Gear Reduction & Torque Multiplication
▶ Output to Tine Arm Drive
▶ Lubrication & Protection
🔄 Which OEM Rotary Rake Gearboxes Does Ours Replace?
Cross-reference data is provided as a customer service. All brand names and model numbers remain the intellectual property of their respective owners.
我们的 Rotary Rake gearbox directly replaces the factory gear drive on the following rotary rake brands:
Type 56J, K-484
✅ 兼容
Series 269, Model 5207
✅ 兼容
Model 3913, Type 14F
✅ 兼容
G4.5, Model 2245
✅ 兼容
Mk-III, Type 30A
✅ 兼容
Type 16J, G-173
✅ 兼容
Model 2195, Mk-V
✅ 兼容
Parts & Service Support
- Bearing rebuild kits with spacers and shims
- Seal & gasket replacement kits
- Matched gear pairs — pinion and wheel
- Input and output shaft assemblies
📚 Selection Flowchart — Find Your Perfect Rotary Rake Gearbox
在您订购之前 Rotary Rake gearbox请确认以下关键参数,以确保完美适配和卓越性能:
拖拉机动力输出轴转速
查看拖拉机的动力输出轴(PTO)规格——标准转速为 540 转/分或 1000 转/分
确定输入轴花键尺寸和传动比计算的基准值
运行环境
Assess exposure to dust, moisture, chemicals, and temperature extremes in your typical hay raking conditions
确定合适的密封等级、表面涂层和外壳材料规格
输出轴类型
Identify the coupling type on your rotary rake — keyed, splined, flanged, or hollow bore
输出不匹配需要昂贵的适配器耦合器,并且会引入潜在的故障点。
电源要求
Match the gearbox HP rating to your tractor’s PTO horsepower output and the rotary rake’s demand
额定功率不足会导致过热和过早失效;额定功率过高则会增加不必要的成本和重量。
旋转方向
Determine whether the tine arm drive on your rotary rake requires clockwise or counter-clockwise output when viewed from the drive end
旋转方向错误会损坏工具或无法产生有效功。
Required tine arm drive Speed
Refer to your rotary rake manufacturer’s manual for the recommended tine arm drive operating speed
结合动力输出轴转速,即可确定变速箱所需的精确齿轮比。
扭矩需求
Calculate the peak torque your hay raking application generates — including shock loads from obstacles or material variations
变速箱必须在正常运行期间承受峰值扭矩,且不会触发过载保护。
💡 专业提示: Not sure which model you need? Our selection engineers have cross-referenced thousands of rotary rake gearbox applications. Send us any information you have — even partial — and we will find the right match. 请点击此处联系我们。.

📝 How to Install Your New Rotary Rake Agricultural Gearbox
This guide covers the complete process of replacing the gearbox on your rotary rake. Each step includes specific details for hay raking equipment — follow them in sequence for best results.
Step 1 — Connect PTO Driveline
Slide the PTO driveline yoke over the gearbox input spline. Ensure full engagement — the yoke should slide past the retaining groove and click into place. Test the engagement by pulling firmly on the yoke; it should not detach. Verify that the driveline length allows adequate telescoping stroke throughout the full range of implement movement.
Step 2 — Prepare the Mounting Surface
Scrape any old gasket material or RTV sealant from the rotary rake’s gearbox mounting face. Use a flat file to remove any burrs around bolt holes. Verify all mounting holes align correctly by test-fitting the new gearbox without bolts. Check for flatness — a feeler gauge should show less than 0.1mm across the mounting surface.
Step 3 — Test Run & Break-In
With the rotary rake raised or in a safe test position, start the PTO at idle speed. Observe the gearbox for any vibration, unusual noise, or oil seepage. Run for 20 minutes at reduced speed. If all is normal, increase to the operating PTO speed and run for an additional 10 minutes while monitoring temperature. Re-check all mountings.
Step 4 — Remove Old Gearbox
Detach the driveline yoke from the gearbox input. If the gearbox also has an output coupling to the tine arm drive, disconnect that as well. Support the gearbox from below with a hydraulic jack. Remove the mounting fasteners progressively, keeping at least two bolts finger-tight until you are ready to slide the unit out.
Step 5 — Drain & Document Old Gearbox
Place a collection pan beneath the gearbox. Remove both the fill and drain plugs to speed drainage. While oil drains, photograph the gearbox nameplate, mounting arrangement, and driveline connection — these images are invaluable if questions arise during installation of the new unit.
Step 6 — Connect Output to tine arm drive
Connect the output coupling to the tine arm drive drive on your rotary rake. Ensure the shaft engagement depth meets the minimum specified in the manual. Tighten all retaining hardware to the correct torque value. After connection, rotate the output by hand to verify smooth, unrestricted movement.
Step 7 — Safety Preparation
Position the rotary rake on a flat, stable surface and immobilize the tractor. Disengage the PTO and shut down the engine. Remove the ignition key to prevent accidental start-up. Wait at least 15 minutes for hot surfaces to cool. Gather your tool kit: socket set, torque wrench, clean containers for oil, and the installation manual.
Step 8 — Post-Installation Checks (10-Hour Service)
Perform a 10-hour service: re-check mounting bolt torque, inspect for leaks, verify oil level, and confirm the PTO safety guard is in place. Clean any accumulated debris from the gearbox housing to maintain effective heat dissipation. Log the installation details in your equipment maintenance records.
⚠ 重要提示: For safety, never work under unsupported equipment. Use proper lifting devices when handling the gearbox unit.
🔎 Diagnostic Checklist — Rotary Rake Gearbox
Even the best-engineered gearbox may encounter operational issues over its service life. This guide covers the most common symptoms reported with rotary rake gearboxes and provides actionable field solutions.
⚠ 运行过程中振动过大
Likely cause: 安装螺栓松动,导致变速箱晃动
What to do: Vibration in a rotary rake gearbox system usually originates from the driveline, not the gearbox itself. Inspect the PTO shaft U-joints — a worn joint creates a twice-per-revolution vibration pulse. Confirm the driveline is the correct length for the tractor-to-implement distance. Re-torque the gearbox mounting bolts.
⚠ 轴封漏油
Likely cause: 呼吸阀堵塞,导致压力释放受阻
What to do: Inspect the breather cap — a blocked breather pressurizes the housing and forces oil past seals. Replace the breather and clean any debris. If leaking continues, replace the affected seal. Check the shaft surface under the seal for grooves or corrosion that may be cutting the seal lip.
⚠ 变速箱在动力输出轴接合时发出金属撞击声
Likely cause: PTO传动轴过长,影响啮合。
What to do: Check the PTO driveline length — a driveline that is slightly too long will ‘bottom out’ on engagement, creating a sharp metallic sound. Verify all external hardware (mounting bolts, guard brackets, driveline clamps) is secure. If the sound comes from inside the gearbox under load, internal inspection is recommended.
⚠ 动力输出轴传动装置与变速箱连接困难
Likely cause: Damaged or worn PTO yoke engaging surface
What to do: Apply penetrating oil to the input splines and allow it to work for 5 minutes. Rotate the PTO driveline slightly while applying light pressure — the splines need to index before engaging. If the driveline yoke is worn, replace it before installation to prevent premature input bearing failure.
⚠ 异常研磨声或啸叫声
Likely cause: 轴承磨损或滚道损坏
What to do: Check oil level immediately — low oil is the most common cause of gear noise in rotary rake gearboxes. If oil level is correct, the lubricant may have degraded — perform a complete oil change. Persistent noise indicates internal wear requiring professional assessment.
For persistent or complex issues, our engineers provide remote diagnostic support via phone and email. We can also supply rebuild kits for in-workshop repairs. Reach our support team here.
📍 Verified Case Studies — Rotary Rake Gearbox Performance Reports
Our agricultural gearboxes are field-proven across every Australian state and territory. Below are documented case studies from recent Rotary Rake gearbox installations.
Ed Pearce — Wangaratta, VIC
手术: multi-generational family farm | 尺寸: 3500 acres | 使用: Rotary Rake gearbox for hay raking
购买理由: Replace failed OEM gearbox to restore rotary rake for the upcoming season
“We stress-test our equipment in ways that would void most warranties. This gearbox has handled everything we’ve thrown at it — heavy clay soils — without complaint.”
📍 Case #3: Dalby, QLD
| 顾客: | Greg McPherson — mixed farming enterprise |
| 地点: | 昆士兰州达尔比 |
| 农场规模: | 300 acres |
| 应用: | Rotary Rake gearbox for rotary rake — hay raking |
| 购买原因: | 新设备制造——指定使用售后市场变速箱作为原厂改进方案 |
“The oil-tight sealing on this gearbox is remarkable. After 1406 hours of operation in wet environment, the oil comes out clean at service time. Previous gearboxes always had contaminated oil by the first oil change.”
— Greg McPherson昆士兰州达尔比
Paul Hutchinson — Bundaberg, QLD
手术: commercial hay raking contractor | 尺寸: 6000 acres | 使用: Rotary Rake gearbox for hay raking
购买理由: 原装变速箱发生灾难性故障后,赛季中期紧急更换。
“Fast delivery to a remote location was the initial reason I tried this supplier. The gearbox quality is what made me a repeat customer — we have now standardised on their products across our fleet of 5 rotary rake machines.”
💬 Expert Answers: Rotary Rake Gearbox Buyer’s Questions
Q1: Will this gearbox fit older-model rotary rake equipment?
We maintain compatibility databases covering rotary rake models from the past 25+ years. Most older models can be directly fitted with our current gearbox range. For discontinued or rare models, send us the mounting dimensions and shaft specifications, and we will confirm fitment or design a custom adapter.
Q2: Can this gearbox withstand the shock loads generated during hay raking?
The gearbox is specifically designed for the dynamic and impact loading characteristic of hay raking applications. Case-hardened alloy steel gears absorb repetitive shocks, while the optional overload protection (shear bolt or slip clutch) safeguards against catastrophic overload events. The bearing selection and housing rigidity are both matched to rotary rake load profiles.
Q3: How is the gearbox packaged for shipping?
Each gearbox is drained of shipping oil, wrapped in VCI (Vapor Corrosion Inhibitor) film, and crated in a sturdy plywood box rated for international freight. This packaging protects against moisture, impact, and corrosion during transit — even for shipments to remote Australian properties via road freight.
Q4: What documentation ships with the gearbox?
每个变速箱都随附:安装手册(含扭矩规格、润滑和维护计划)、零件图(含各个零件编号)、保修登记卡以及质量检验证书(含设备序列号和测试结果)。
Q5: Do you provide technical support after purchase?
是的——每次购买都包含我们工程支持团队提供的安装指导、故障排除、维护建议和零件订购服务。您可以通过电话、电子邮件和在线联系表格获得支持。保修期内及保修期后,技术支持均免费。
Q6: What is the expected lifespan under continuous hay raking operation?
Our Rotary Rake gearbox is rated for 3,000 to 5,000+ operating hours with proper maintenance. Many customers in intensive Australian operations report achieving 5,000+ hours before requiring any internal service. Key factors affecting lifespan include oil change frequency, operating load, and environmental conditions.
Q7: What payment and ordering options do you offer?
我们接受银行转账、信用卡和已建立账户的采购订单。对于大额订单,我们提供30天付款期限,但需经信用审核。您可以通过我们的网站、电子邮件或电话下单。我们可提供形式发票,方便您提前付款。
Q8: Do you deliver to remote farming areas in Australia?
是的——我们向澳大利亚所有邮政编码地区发货,包括偏远和乡村地区。我们与经验丰富的农业货运公司合作,他们了解季节性设备需求的紧迫性。对于紧急故障情况,我们提供加急发货服务,并且我们备有常用型号的库存,可以立即发货。
Q9: Which gear oil do you recommend for Australian conditions?
对于澳大利亚大部分气候条件,符合 GL-5 规格的 SAE 80W-90 EP 齿轮油是理想之选。在持续高温的热带地区,我们推荐使用 85W-140 齿轮油。对于冬季寒冷的南部地区,合成 75W-90 齿轮油能提供更好的冷启动保护。请查阅变速箱随附的油品规格卡,以获取最终建议。
Q10: Can the output shaft be customized for my specific rotary rake?
Absolutely. We manufacture gearboxes with keyed, splined, flanged, hex, and hollow-bore output shaft configurations. If your rotary rake requires a non-standard output size, spline count, or connection type, our engineering team will design and machine it to your exact specifications at no additional lead time for common modifications.
🔧 Essential Accessories for Rotary Rake Applications
Maximize your hay raking equipment reliability with these complementary products designed to work with our Rotary Rake gearbox.
⚡ PTO Drive Shaft for Your Rotary Rake

Wide-angle PTO shafts with telescoping capability and friction clutch overload protection. Designed to mate perfectly with our Rotary Rake gearbox input spline.
⚙ 全系列农用变速箱

Multi-machine operators benefit from our comprehensive gearbox catalogue — standardised quality, consolidated shipping, and volume pricing across the full range.
📜 Australian Compliance & Regulations — Rotary Rake Gearboxes
Understanding the regulatory landscape helps ensure your hay raking equipment meets all legal requirements. Our Rotary Rake gearboxes are designed with these standards in mind:
Standards Compliance
| Standard | Relevance |
|---|---|
| AS 4024 — Safeguarding of Machinery | Our products comply with Australian machinery safeguarding standards applicable to agricultural rotary rake equipment. |
| AS 1636 — Agricultural Machinery Safety | Our gearboxes meet design requirements for agricultural machinery components, including rotating part guarding interfaces. |
State-Level WHS Requirements
- New South Wales — Work Health and Safety Regulation 2017: requires documented maintenance records for all power-driven rotary rake machinery.
- Western Australia — WHS (General) Regulations 2022: includes obligations for remote farm operations involving hay raking equipment.
- South Australia — WHS Regulations 2012: requires regular inspection of all machinery with rotating drive components.
Nationwide Delivery — From Metro to Remote
我们送货 Rotary Rake agricultural gearboxes to every state and territory in Australia. Our logistics network covers major farming regions including the Darling Downs, the Lockyer Valley, and the Burnett region, Western Districts VIC, Gippsland, and the North East, and the Atherton Tablelands, the Burdekin, and Mackay-Whitsunday. Whether you operate in a metropolitan fringe area or a remote pastoral station, we ship directly to your property with full tracking and delivery confirmation.
🎯 Take the Next Step — Rotary Rake Gearbox Solutions
15+ Manufacturing Heritage
Producing 100,000+ agricultural gearboxes annually for customers in more than 45 countries. Key capabilities: cmm (coordinate measuring machine) dimensional inspection, vibration analysis and noise measurement on every production batch, automated gear hobbing, shaping, and grinding centres.
We welcome custom orders: We specialise in non-standard, custom-designed gear drives built to your exact requirements. Whether you need a unique ratio, modified housing, non-standard shaft, or a bespoke gearbox for your rotary rake, we deliver — from prototype to volume production.
您在澳大利亚及全球范围内值得信赖的农业变速箱解决方案合作伙伴——提供标准和定制解决方案。