Gearbox for Rotary Tiller

執筆者 | 2026 年 3 月 27 日 | 農業用ギアボックス

Premium Rotary Tiller Gearbox — Precision-Engineered for Soil Tillage Excellence

The agricultural gearbox is the mechanical heart of every rotary tiller. Ours is purpose-built for soil tillage — converting PTO energy into dependable, high-torque output that keeps your tillage implement working at peak capacity. The rotary tiller gearbox converts PTO rotation into high-speed blade shaft spin, cutting and mixing soil to a uniform tilth. Positioned beneath the tiller frame, it drives the L-shaped or C-shaped blades that shatter compacted earth, blend crop residues, and create a fine seedbed in a single pass.

精密なCNC加工を施した高級合金鋼から製造されたこの Rotary Tiller gear drive 汎用代替品と比較して、明らかに優れた効率性を実現します。すべてのユニットは、徹底的なテストと潤滑処理が施された状態で出荷され、お客様の機器にすぐに取り付け可能です。

Rotary Tiller Agricultural Gearbox

📈 Technical Specifications — Rotary Tiller Gearbox

Below are the standard specifications for our rotary tiller gearbox. All parameters can be customized to match your specific soil tillage requirements.

パラメータ Standard Value Custom Options
出力速度範囲 95 – 2567 RPM Depends on selected ratio
PTO Input Speed 540 / 1000 RPM Economy PTO (750 RPM) option available
Input Shaft Spline 6-spline (1-3/8″) / 21-spline (1-3/4″) 20-spline, 8-spline on request
Maximum Input Torque 400 Nm With overload protection
Gear Face Width 45mm Wider for high-torque
出力軸径 55 mm Match to implement coupling
定格負荷時の効率 95% Measured on dynamometer
表面コーティング Ceramic-filled epoxy Custom RAL colours available
プライマリーギアタイプ Worm Gears Custom tooth profiles on request
IP Protection Class IP66 Up to IP67 on request
Centre Distance 110 mm Per gear ratio
入力軸径 38 mm Custom diameters
プライマリーベアリング Cylindrical Roller Bearings Premium bearing upgrades
過負荷保護 Torque limiter Adjustable trip settings
利用可能なギア比 1:1.93 to 1:6 Non-standard ratios manufactured to order
ギアコア硬度 HRC 30 Tough shock-absorbing core
ギア段数 2 Multi-stage for high ratios
Rated Power Capacity 22 – 120 HP (16-90 kW) Higher ratings available
Mounting Configuration 3-bolt flange Custom mounting plates available
Gear Surface Hardness HRC 57 – 63 Carburized + ground

お問い合わせ先 エンジニアリングチーム for a detailed specification sheet tailored to your rotary tiller model and soil tillage conditions.

⭐ Why Professionals Choose Our Rotary Tiller Gearbox

Before you buy a rotary tiller gearbox on price alone, consider these engineering facts about our ロータリーティラー ユニットオプションと予算オプションの比較：

Comparison Point Generic Aftermarket Our Rotary Tiller Gear Drive
Gear Material & Treatment Grey iron gears, no heat treatment SAE 8620 alloy, gas-carburized + tempered, superfinished tooth flanks
Operating Efficiency 80-88% — varies wildly between units 95-97% — independently verified on calibrated dynamometer
シーリングシステム Single-piece rubber boot, prone to cracking Cassette-type metal-cased seal with integrated dirt rejection lip
保証とサポート No warranty — buy at own risk Full 2-year warranty + engineer hotline + install support
Spare Parts Difficult to source, 6-8 week lead times Full inventory, ships 24-48 hours
Expected Service Life 300-800 hours before first major repair 3,000-5,000+ hours — backed by engineering data

Bottom Line: Budget rotary tiller gearboxes may save 30-40% upfront but cost 3-5x more through failures and lost productivity. Our Rotary Tiller gearbox is the professional’s choice.

Rotary Tiller application

⚙ Rotary Tiller Gearbox — Complete Power Transmission Analysis

私たちの Rotary Tiller agricultural gearbox is a specialized power transmission unit for soil tillage:

▶ PTO Power Input
The input stage receives rotational energy via splined coupling at standard agricultural speeds. A hardened splined input shaft meshes with the PTO driveline, supported by self-aligning ball bearings rated for continuous heavy-duty soil tillage operation.
▶ Gear Reduction & Torque Multiplication
Inside the housing, precisely meshed worm gears convert PTO high-speed input into modified speed and amplified torque for the blade rotor. The rotary tiller gearbox converts PTO rotation into high-speed blade shaft spin, cutting and mixing soil to a uniform tilth. Positioned beneath the tiller frame, it drives the L-shaped or C-shaped blades that shatter compacted earth, blend crop residues, and create a fine seedbed in a single pass. Gear tooth profiles are case-hardened to HRC 58-62 and precision-ground, achieving 96-98% mechanical efficiency.
▶ Output to Blade Rotor
Power exits through the output shaft connecting to the rotary tiller’s blade rotor. The output configuration (keyed, splined, flanged, or hollow bore) matches the implement’s drive requirements. Smooth power flow to the blade rotor is maintained regardless of load fluctuations during soil tillage.
▶ Lubrication & Protection
The gearbox uses splash lubrication with ISO VG 220 EP. Gears distribute oil across all contact surfaces. The ADI (Austempered Ductile Iron) housing incorporates cooling ribs that dissipate heat under sustained soil tillage load. Ptfe Rotary Seals at every shaft exit prevent contamination ingress.

🔄 Brand Compatibility — Rotary Tiller Gearbox Replacement Guide

Cross-reference data is provided as a customer service. All brand names and model numbers remain the intellectual property of their respective owners.

私たちの Rotary Tiller agricultural gearbox is a verified drop-in replacement for these brands and models:

  • Landini: Series 882, Mk-IV, 497R — ✅ dimensionally verified
  • Kverneland: Model 4797, Series 828, C-250 — ✅ dimensionally verified
  • Branson: G3.3, Series 648, 977X — ✅ dimensionally verified
  • Kubota: Model 2935, A-888, Series 512 — ✅ dimensionally verified
  • Olimac: Type 52G, Model 6978, G4.3 — ✅ dimensionally verified
  • CLAAS: G9.0, Model 1844, Mk-II — ✅ dimensionally verified
  • Bobcat: Type 28G, Model 1497, G2.8 — ✅ dimensionally verified

コンポーネントの入手可能性

ベアリング、シール、ギア、シャフト、ハードウェアなど、内部部品はすべて個別に購入可能です。当社は常に在庫を確保しており、通常48時間以内に発送いたします。 部品のご注文はこちらから.

📚 Quick Selection Guide — Choosing the Right Rotary Tiller Gearbox

Selecting the correct gearbox for your rotary tiller is essential for achieving optimal soil tillage performance. Follow this checklist:

Step What to Confirm How to Determine Why It Matters
1 電力要件 Match the gearbox HP rating to your tractor’s PTO horsepower output and the rotary tiller’s demand 定格が低すぎると過熱や早期故障につながり、定格が高すぎると不必要なコストと重量が増加する。
2 トルク要求 Calculate the peak torque your soil tillage application generates — including shock loads from obstacles or material variations ギアボックスは、通常運転時に過負荷保護を作動させることなく、最大トルクを処理できなければならない。
3 Required blade rotor Speed Refer to your rotary tiller manufacturer’s manual for the recommended blade rotor operating speed PTO速度と合わせて、ギアボックスに必要な正確なギア比を決定します。
4 Tractor PTO Speed Check your tractor’s PTO specification — standard is 540 RPM or 1000 RPM Determines the input shaft spline size and the baseline for ratio calculation
5 Working Hours per Season Estimate your annual operating hours for the rotary tiller to determine appropriate service life rating High-hour operations justify premium bearing and gear specifications for lowest cost per hour
6 Operating Environment Assess exposure to dust, moisture, chemicals, and temperature extremes in your typical soil tillage conditions Determines the appropriate seal grade, surface coating, and housing material specification
7 回転方向 Determine whether the blade rotor on your rotary tiller requires clockwise or counter-clockwise output when viewed from the drive end 回転方向が間違っていると、作業機が損傷したり、有効な作業ができなかったりします。

💡 プロのヒント： If you are unsure about any parameter, photograph the existing gearbox nameplate and mounting area and send the images to our team via our contact page. We will identify the correct replacement within 24 hours.

Agricultural Gearbox Collection

🔧 Step-by-Step Installation — Rotary Tiller Gearbox

Follow these instructions for a successful installation of your new Rotary Tiller gearbox. Correct installation is critical for achieving maximum service life and warranty coverage.

Step 1: Connect PTO Driveline

PTOドライブラインをギアボックスの入力シャフトに合わせ、ロック機構がかみ合うまでヨークをスプラインにスライドさせます。スプラインの数が一致していることを確認してください（540 RPMの場合は6スプライン、1000 RPMの場合は21スプライン）。ドライブラインの動作角度が15°を超えないことを確認してください。角度が大きすぎると、ユニバーサルジョイントの早期破損や振動の原因となります。

Step 2: Post-Installation Checks (10-Hour Service)

現場での最初の10時間稼働後、すべての取り付けボルトを規定トルクで締め直してください。オイルレベルを確認し、必要に応じて補充してください。すべてのシールに漏れがないか点検してください。ドライブラインガードが正しく再取り付けられていることを確認してください。今後のメンテナンス計画のために、取り付け日とアワーメーターの読み取り値を記録してください。

Step 3: Prepare the Mounting Surface

Clean the mounting flange on the rotary tiller frame with a wire brush and solvent, removing all old sealant, rust, and debris. Inspect the mounting surface for cracks, stripped threads, or warping. Chase any damaged bolt threads with a tap. Apply a thin film of anti-seize compound to the mounting face if specified.

Step 4: Position & Secure New Gearbox

Carefully lift the new Rotary Tiller gearbox into position on the mounting flange, aligning all bolt holes. Insert mounting bolts hand-tight first, confirming proper alignment. Once all bolts are started, torque them in a star (cross) pattern to the value specified in the installation manual. Verify the gearbox sits flush against the frame with no gaps.

Step 5: Connect Output to blade rotor

Attach the gearbox output shaft to the rotary tiller’s blade rotor drive coupling. For keyed connections, align the keyway and slide the coupling on, then secure with the retaining bolt and torque to specification. For splined outputs, apply anti-seize to the splines and verify full engagement before locking.

Step 6: Fill With Lubricant

注入口プラグを取り外し、レベルインジケーターに達するまで推奨ギアオイルをゆっくりと注入します。ギアボックスの取扱説明書に記載されている潤滑油グレード（通常はSAE 80W-90 GL-5または同等品）を使用してください。注入口プラグを元に戻し、手で締めた後、レンチでしっかりと締めます。ブリーザーキャップが清潔で、詰まりがないことを確認してください。

Step 7: Remove Old Gearbox

PTOドライブシャフトをギアボックスの入力シャフトから切り離します。フロアジャッキまたは天井クレーンでギアボックスの重量を支えます（一般的な重量：モデルによって15～70kg）。締め付け応力を均等に解放するため、すべての取り付けボルトを十字型に外します。古いギアボックスを慎重に下ろし、脇に置きます。

⚠ 重要: Always consult the specific installation manual shipped with your Rotary Tiller gearbox for model-specific torque values and procedures.

🚧 Troubleshooting — Rotary Tiller Gearbox Common Issues

Use this diagnostic reference to identify and resolve common Rotary Tiller gearbox issues in the field. Most problems can be diagnosed and addressed without removing the gearbox from the rotary tiller.

⚠ 入力軸が回転している間、出力軸の回転が停止します

推定原因： Shear bolt or overload protection has activated

推奨される行動： まず過負荷保護装置を確認してください。ギアボックスに最近急激な過負荷がかかった場合は、これが最も可能性の高い原因です。マニュアルに従って、せん断ボルトを交換するか、スリップクラッチをリセットしてください。過負荷保護装置に異常がない場合は、ギアボックス内部に損傷があり、専門業者による修理が必要です。

⚠ Abnormal Grinding or Whining Noise

推定原因： Worn or pitted gear tooth surfaces

推奨される行動： Drain and inspect oil for metal particles. Refill with correct grade. If noise persists after oil change, bearing or gear inspection is required. Contact support for rebuild guidance.

⚠ PTOドライブラインとギアボックスの接続に問題があります

推定原因： Misaligned splines due to different PTO standard

推奨される行動： 入力シャフトのスプラインをワイヤーブラシで清掃し、焼き付き防止剤を薄く塗布します。PTOシャフトをゆっくりと回転させながら押し込み、スプラインを合わせます。スプラインがかみ合わない場合は、スプライン数がPTOの規格と一致していることを確認してください（540 RPMの場合は6スプライン、1000 RPMの場合は21スプライン）。

⚠ 運転中の過度の振動

推定原因： Misaligned PTO driveline exceeding joint angle limits

推奨される行動： First check all mounting bolt torques — vibration frequently loosens fasteners, which then amplifies the vibration. Next, inspect the PTO driveline U-joints for wear or binding. Verify driveline angles are within specification. Finally, check the output coupling to the blade rotor for wear or damage.

⚠ Oil Leaking from Shaft Seals

推定原因： Worn lip seals or damaged seal bore

推奨される行動： First, check and correct the oil level — overfilling is a surprisingly common cause of seal leaks. Clean or replace the breather cap. If oil level is correct and breather is clear, the seal has worn and should be replaced using our seal kit.

上記の手順で問題が解決しない場合は、 技術サポートチームにお問い合わせください 専門家による診断をご希望の場合は、遠隔でのトラブルシューティングや、重大な故障状況における代替機の派遣も承ります。

📝 Case Studies — Field Reports: Rotary Tiller Gearbox in Australian Operations

Our agricultural gearboxes are field-proven across every Australian state and territory. Below are documented case studies from recent Rotary Tiller gearbox installations.

📍 Case #1: Murray Bridge, SA

お客様： Neil Ferguson — broadacre cropping operation
位置： Murray Bridge, SA
農場規模： 2000 acres
応用： Rotary Tiller gearbox for rotary tiller — soil tillage
購入理由： Replace failed OEM gearbox to restore rotary tiller for the upcoming season

“Quality comparable to European OEM units at half the price point. The machining is clean, the paint is durable, and the gears are noticeably smoother than the Chinese-made unit it replaced. Recommended to three other farmers already.”
— Neil Ferguson, Murray Bridge, SA

Greg McPherson — Launceston, TAS

手術： grain and livestock property | サイズ： 800 acres | 使用： Rotary Tiller gearbox for soil tillage

購入理由： Retrofit older model rotary tiller with improved gearbox for extended service life

“I was paying $XX,XXX for OEM replacement gearboxes. This unit cost a fraction of that price and, if anything, performs better. No vibration, no leaks, runs cooler. Should have switched years ago.”

📍 Swan Hill, VIC intensive horticultural farm — 300 acres

クライアント： Angus Reid | 応用： Rotary Tiller gearbox — soil tillage

目的： Fleet standardisation — transitioning all rotary tiller equipment to a single gearbox supplier

“We stress-test our equipment in ways that would void most warranties. This gearbox has handled everything we’ve thrown at it — rocky ground — without complaint.”

📍 Case #4: Renmark, SA

お客様： Terry Voss — dryland farming operation
位置： Renmark, SA
農場規模： 1800 acres
応用： Rotary Tiller gearbox for rotary tiller — soil tillage
購入理由： Custom ratio requirement for a modified rotary tiller not served by standard catalogues

“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 7 rotary tiller machines.”
— Terry Voss, Renmark, SA

Glenn Abbott — Cairns, QLD

手術： broadacre cropping operation | サイズ： 4000 acres | 使用： Rotary Tiller gearbox for soil tillage

購入理由： 1シーズンも持たなかった安価な社外品からのアップグレードです。

“We replaced the original gearbox after it started leaking at 1164 hours. The new unit from MowerGearbox has now done 1859 hours without a single issue. The difference in build quality is obvious just from the weight and finish.”

❓ Frequently Asked Questions — Rotary Tiller Agricultural Gearbox

🔹 Do you provide technical support after purchase?

Yes — every purchase includes access to our engineering support team for installation guidance, troubleshooting, maintenance advice, and parts ordering. Support is available via phone, email, and our online contact form. There is no charge for technical support during or after the warranty period.

🔹 Can this gearbox withstand the shock loads generated during soil tillage?

The gearbox is specifically designed for the dynamic and impact loading characteristic of soil tillage 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 tiller load profiles.

🔹 大量購入割引を受けるには、最低注文数量はいくつ必要ですか？

We offer tiered pricing starting from single-unit purchases, with meaningful discounts beginning at 5+ units. Dealer and OEM pricing structures are available for agricultural equipment retailers and rotary tiller manufacturers. Contact our sales team for a formal quotation tailored to your volume requirements.

🔹 このギアボックスは、有機認証を受けた農業での使用に適していますか？

当社のギアボックスは機械部品であり、有機認証に影響を与える物質は一切含まれていません。ただし、潤滑油の選択については考慮が必要です。当社では、オーストラリアおよび国際的な有機農業基準に適合する食品グレードの生分解性ギアオイルをお勧めできます。

🔹 自分の機器に適したギアボックスのモデルはどのように選べばよいですか？

Provide us with your tractor brand/model and PTO speed, the rotary tiller manufacturer and model, and the old gearbox part number if available. Alternatively, measure the input/output shaft dimensions and mounting bolt pattern. Our selection engineers will identify the correct match, typically within 24 hours.

🔹 Can the output shaft be customized for my specific rotary tiller?

Absolutely. We manufacture gearboxes with keyed, splined, flanged, hex, and hollow-bore output shaft configurations. If your rotary tiller 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.

🔹 あなたのギアボックスは、純正のOEMユニットと比べてどうですか？

当社のギアボックスは、測定可能なすべてのパラメータにおいて、純正品と同等またはそれ以上の性能を発揮します。主な改良点としては、ベアリングクラスのアップグレード、優れたシール材の使用、放熱性能の向上、そして純正品カタログにはないカスタムギア比のオプションなどが挙げられます。その結果、純正品と交換するだけで、通常は純正品よりも長持ちする製品が実現しました。

🔹 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.

🔹 Can I return a gearbox if it does not fit my rotary tiller?

ご注文前に機器の詳細をご提供いただき、弊社で互換性を確認させていただければ、適合は保証いたします。万が一、互換性の問題が発生した場合は、お届け後30日以内であれば、未使用のギアボックスを無条件で交換または返金いたします。弊社は、初回のご注文で最適なギアボックスをお届けすることを目指しております。

🔹 What does the warranty cover and for how long?

Our 24-month comprehensive warranty covers all defects in materials and workmanship, including bearings, gears, seals, and housing. It applies from the date of purchase and is backed by our ISO-certified quality management system. Extended warranty programs are available for bulk and fleet orders.

🔧 Essential Accessories for Rotary Tiller Applications

完全な動力伝達システムは、単一のコンポーネントよりも優れた結果をもたらします。以下の追加を検討してください。 ロータリーティラー 設定。

PTO Shaft

PTO Shaft Range

Wide-angle PTO shafts with telescoping capability and friction clutch overload protection. Designed to mate perfectly with our Rotary Tiller gearbox input spline.

View Range →

Gearbox Range

Gearbox Catalogue

From compact garden equipment drives to heavy-duty combine gearboxes, our catalogue has you covered. Explore the full range on our website.

Browse All →

📜 Australian Compliance & Regulations — Rotary Tiller Gearboxes

Understanding the regulatory landscape helps ensure your soil tillage equipment meets all legal requirements. Our Rotary Tiller gearboxes これらの基準を念頭に置いて設計されています。

業界および安全基準

● Safe Work Australia PTO Safety Guidelines: All PTO-driven rotary tiller equipment must incorporate compliant shaft guarding. Guard-compatible drivelines available.

● AS 1636 — Agricultural Machinery Safety: Our gearboxes meet design requirements for agricultural machinery components, including rotating part guarding interfaces.

● AS 4024 — Safeguarding of Machinery: Our products comply with Australian machinery safeguarding standards applicable to agricultural rotary tiller equipment.

State Legislation

● ACT (WHS Regulation 2011) — mirrors national standards for agricultural machinery including rotary tiller equipment.

● New South Wales (Work Health and Safety Regulation 2017) — requires documented maintenance records for all power-driven rotary tiller machinery.

● Victoria (OHS Regulations 2017) — specifies risk assessment requirements for soil tillage machinery operations.

Serving Every Agricultural Region in Australia

We deliver Rotary Tiller agricultural gearboxes to every state and territory in Australia. Our logistics network covers major farming regions including the Wimmera, the Mallee, and Goulburn Valley, the Riverina, the Murrumbidgee Irrigation Area, and the Liverpool Plains, and the Barossa Valley, the Riverland, and South East SA. 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.

📧 Request a Custom Quotation — Rotary Tiller Gearbox

Factory

Trusted Manufacturer — 25+ in Business

80,000+ units produced annually. ISO 9001 certified. Delivering to 40+ countries worldwide.

Custom Gearbox Manufacturing

Need something different? We manufacture non-standard agricultural gearboxes to customer specifications daily. Modified ratios, custom housings, special shaft configurations, unique mounting patterns — if you can define it, we can build it.

Request Quote →
About Us →

Your trusted partner for agricultural gearbox solutions — standard and custom — across Australia and worldwide.