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
ملكنا rotary rake gearbox is manufactured to the following specifications. Custom engineering is available for non-standard hay raking applications.
| المعلمة | Value |
|---|---|
| Net Weight | 32 kg |
| عمر تصميم المحمل (L10) | 6000 hours minimum |
| ردود فعل عنيفة | ≤ 8 دقائق قوسية |
| اتجاه الدوران | معيار CCW (CW اختياري) |
| Recommended Lubricant | SAE 80W-90 GL-5 |
| تكوين التركيب | 6-bolt circular |
| قطر عمود الإدخال | 30 mm |
| Lubrication Method | Forced circulation |
| عدد مراحل التروس | 3 |
| معيار التصميم | ISO 6336 + FEA verified |
| المعلمة | Value |
|---|---|
| صلابة سطح التروس | HRC 58 – 64 |
| فئة حماية الملكية الفكرية | IP55 |
| نوع عمود الإخراج | Keyed shaft |
| الكفاءة عند الحمل المقنن | 98% |
| نسب التروس المتاحة | 1:1.5 to 1:3.5 |
| سرعة إدخال PTO | 540 / 1000 دورة في الدقيقة |
| تشعب عمود الإدخال | 6-spline (1-3/8 بوصة) / 21-spline (1-3/4 بوصة) |
| Housing Material | Spheroidal Graphite Iron |
| Noise at 1m Distance | ≤ 72 dB(A) |
| Centre Distance | 80 mm |
اتصل بنا فريق الهندسة for a detailed specification sheet tailored to your rotary rake model and hay raking conditions.
⭐ Why Professionals Choose Our Rotary Rake Gearbox
نحن نؤمن بالشفافية. هذه هي الاختلافات المحددة والقابلة للتحقق بين منتجاتنا Rotary Rake gear drive والبدائل منخفضة التكلفة:
| مواصفة | Low-Cost Alternative | Our Engineered Rotary Rake Gearbox |
|---|---|---|
| قطع غيار | تختلف الأجزاء من دفعة إلى أخرى | Standardized parts across model range |
| الضمان والدعم | 6-month limited warranty, difficult claims process | Full 2-year warranty + engineer hotline + install support |
| الكفاءة التشغيلية | 80-88% — يختلف اختلافًا كبيرًا بين الوحدات | 95-97% — تم التحقق منه بشكل مستقل على جهاز قياس القوة المعاير |
| تصميم المساكن | Welded steel fabrication, dimensional inconsistency | حديد جرافيت كروي (SG700)، تجاويف محامل مصنعة باستخدام الحاسوب، زعانف تبريد مدمجة |
| حماية السطح | طلاء أظافر مطبق بالفرشاة، تغطية غير متناسقة | طلاء إلكتروني كاثودي + طلاء مسحوقي، اختبار رش الملح لمدة 1000 ساعة |
| العمر الافتراضي المتوقع | 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
ملكنا 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.
ملكنا Rotary Rake gearbox directly replaces the factory gear drive on the following rotary rake brands:
Type 56J, K-484
✅ Compatible
Series 269, Model 5207
✅ Compatible
Model 3913, Type 14F
✅ Compatible
G4.5, Model 2245
✅ Compatible
Mk-III, Type 30A
✅ Compatible
Type 16J, G-173
✅ Compatible
Model 2195, Mk-V
✅ Compatible
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
Before ordering your Rotary Rake gearbox, confirm these critical parameters to ensure perfect fitment and performance:
سرعة عمود إدارة الطاقة للجرار
تحقق من مواصفات عمود إدارة الطاقة (PTO) لجرارك - السرعة القياسية هي 540 دورة في الدقيقة أو 1000 دورة في الدقيقة
يحدد حجم أسنان عمود الإدخال والأساس لحساب النسبة
بيئة التشغيل
Assess exposure to dust, moisture, chemicals, and temperature extremes in your typical hay raking conditions
يحدد درجة مانع التسرب المناسبة، وطلاء السطح، ومواصفات مادة الغلاف.
نوع عمود الإخراج
Identify the coupling type on your rotary rake — keyed, splined, flanged, or hollow bore
Mismatched outputs require costly adapter couplings and introduce potential failure points
متطلبات الطاقة
Match the gearbox HP rating to your tractor’s PTO horsepower output and the rotary rake’s demand
يؤدي التقليل من قدرة الجهاز إلى ارتفاع درجة حرارته وتعطله المبكر؛ بينما يؤدي المبالغة في تقدير قدرته إلى زيادة التكلفة والوزن بشكل غير ضروري.
اتجاه الدوران
Determine whether the tine arm drive on your rotary rake requires clockwise or counter-clockwise output when viewed from the drive end
سيؤدي اتجاه الدوران غير الصحيح إلى تلف الأداة أو عدم إنتاج أي عمل مفيد
Required tine arm drive Speed
Refer to your rotary rake manufacturer’s manual for the recommended tine arm drive operating speed
Together with PTO speed, this defines the exact gear ratio your gearbox needs
طلب عزم الدوران
Calculate the peak torque your hay raking application generates — including shock loads from obstacles or material variations
يجب أن يتحمل صندوق التروس ذروة عزم الدوران دون تفعيل حماية الحمل الزائد أثناء التشغيل العادي
💡 نصيحة احترافية: 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. Get in touch here.

📝 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
مرر وصلة عمود نقل الحركة فوق سنّ إدخال علبة التروس. تأكد من تثبيتها بالكامل - يجب أن تنزلق الوصلة متجاوزةً أخدود التثبيت وتستقر في مكانها. اختبر التثبيت بسحب الوصلة بقوة؛ يجب ألا تنفصل. تحقق من أن طول عمود نقل الحركة يسمح بحركة تلسكوبية كافية خلال كامل نطاق حركة الآلة.
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)
قم بإجراء صيانة دورية كل 10 ساعات: أعد فحص عزم ربط مسامير التثبيت، وتأكد من عدم وجود تسريبات، وتحقق من مستوى الزيت، وتأكد من تركيب واقي أمان وحدة نقل الحركة. نظف أي رواسب متراكمة من غلاف علبة التروس للحفاظ على تبديد الحرارة بكفاءة. سجل تفاصيل التركيب في سجلات صيانة المعدات.
⚠ هام: لأسباب تتعلق بالسلامة، لا تعمل أبدًا تحت معدات غير مدعومة. استخدم أدوات الرفع المناسبة عند التعامل مع وحدة علبة التروس.
🔎 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.
⚠ Excessive Vibration During Operation
السبب المحتمل: Loose mounting bolts allowing gearbox movement
ما يجب القيام به: 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.
⚠ تسرب الزيت من موانع تسرب العمود
السبب المحتمل: Blocked breather vent preventing pressure relief
ما يجب القيام به: افحص غطاء التهوية - انسداد غطاء التهوية يزيد الضغط داخل الهيكل ويدفع الزيت عبر موانع التسرب. استبدل غطاء التهوية ونظف أي شوائب. إذا استمر التسريب، فاستبدل مانع التسرب المتضرر. افحص سطح العمود أسفل مانع التسرب بحثًا عن أخاديد أو تآكل قد يؤدي إلى قطع حافة مانع التسرب.
⚠ يصدر صندوق التروس صوت طقطقة معدنية عند تشغيل وحدة نقل الحركة
السبب المحتمل: PTO driveline too long, causing impact on engagement
ما يجب القيام به: تحقق من طول عمود نقل الحركة الخاص بمأخذ الطاقة (PTO) - إذا كان العمود أطول قليلاً من اللازم، فسيصل إلى نهايته عند التعشيق، مما يُصدر صوتًا معدنيًا حادًا. تأكد من تثبيت جميع الأجزاء الخارجية بإحكام (مسامير التثبيت، وأقواس الحماية، ومشابك عمود نقل الحركة). إذا كان الصوت صادرًا من داخل علبة التروس تحت الحمل، يُنصح بإجراء فحص داخلي.
⚠ صعوبة في توصيل عمود نقل الحركة PTO بعلبة التروس
السبب المحتمل: Damaged or worn PTO yoke engaging surface
ما يجب القيام به: ضع زيتًا نافذًا على أسنان عمود الإدخال واتركه لمدة 5 دقائق. أدر عمود نقل الحركة قليلًا مع الضغط برفق - يجب أن تستقر الأسنان قبل التعشيق. إذا كان نير عمود نقل الحركة متآكلًا، فاستبدله قبل التركيب لمنع تلف محامل الإدخال قبل الأوان.
⚠ صوت طحن أو أزيز غير طبيعي
السبب المحتمل: Bearing wear or race damage
ما يجب القيام به: 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.
في حال وجود مشاكل مستعصية أو معقدة، يقدم مهندسونا دعمًا تشخيصيًا عن بُعد عبر الهاتف والبريد الإلكتروني. كما نوفر أيضًا مجموعات إعادة بناء لإجراء الإصلاحات في ورشتنا. تواصل مع فريق الدعم لدينا هنا.
📍 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
عملية: multi-generational family farm | مقاس: 3500 acres | يستخدم: Rotary Rake gearbox for hay raking
سبب الشراء: 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
| عميل: | Greg McPherson — mixed farming enterprise |
| موقع: | Dalby, QLD |
| حجم المزرعة: | 300 acres |
| طلب: | Rotary Rake gearbox for rotary rake — hay raking |
| سبب الشراء: | بناء معدات جديدة - تحديد علبة تروس ما بعد البيع كتحسين من الشركة المصنعة الأصلية |
“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, Dalby, QLD
Paul Hutchinson — Bundaberg, QLD
عملية: commercial hay raking contractor | مقاس: 6000 فدان | يستخدم: Rotary Rake gearbox for hay raking
سبب الشراء: استبدال طارئ في منتصف الموسم بعد عطل كارثي في علبة التروس الأصلية
“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?
تأتي كل علبة تروس مزودة بما يلي: دليل التركيب مع مواصفات عزم الدوران، وجدول التشحيم والصيانة، ومخطط الأجزاء مع أرقام الأجزاء الفردية، وبطاقة تسجيل الضمان، وشهادة فحص الجودة مع الرقم التسلسلي للوحدة ونتائج الاختبار.
Q5: Do you provide technical support after purchase?
نعم، يشمل كل شراء إمكانية الوصول إلى فريق الدعم الهندسي لدينا للحصول على إرشادات التركيب، وحل المشكلات، ونصائح الصيانة، وطلب قطع الغيار. يتوفر الدعم عبر الهاتف والبريد الإلكتروني ونموذج الاتصال الإلكتروني الخاص بنا. الدعم الفني مجاني خلال فترة الضمان أو بعدها.
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?
We accept bank transfer, credit card, and purchase orders from established accounts. For large orders, we offer 30-day payment terms subject to credit approval. Orders can be placed through our website, by email, or by phone. Pro-forma invoices are available for pre-payment arrangements.
Q8: Do you deliver to remote farming areas in Australia?
Yes — we ship to every postcode in Australia, including remote and regional areas. We use experienced agricultural freight carriers who understand the urgency of seasonal equipment needs. Express shipping is available for emergency breakdown situations, and we maintain stock for immediate dispatch of popular models.
Q9: Which gear oil do you recommend for Australian conditions?
For most Australian climates, SAE 80W-90 EP gear oil meeting GL-5 specification is ideal. In tropical regions with sustained high temperatures, we recommend 85W-140. For southern regions experiencing cold winters, synthetic 75W-90 provides better cold-start protection. Check the oil specification card shipped with your gearbox for the definitive recommendation.
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.
⚙ Complete Agricultural Gearbox Range

يستفيد مشغلو الآلات المتعددة من كتالوج علب التروس الشامل لدينا - جودة موحدة، وشحن موحد، وأسعار تنافسية على أساس الكمية عبر المجموعة الكاملة.
📜 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
We deliver 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.
Your trusted partner for agricultural gearbox solutions — standard and custom — across Australia and worldwide.