Gearbox for Boom Sprayer

執筆者 | 2026 年 3 月 27 日 | 農業用ギアボックス

Advanced Boom Sprayer Gearbox — Optimal Torque Delivery for Field Spraying

The agricultural gearbox is the mechanical heart of every boom sprayer. Ours is purpose-built for field spraying — converting PTO energy into dependable, high-torque output that keeps your spraying implement working at peak capacity. The boom sprayer gearbox typically drives the main hydraulic pump or centrifugal pump that pressurizes spray liquid. Mounted on the sprayer frame, it converts PTO input to the pump speed needed for precise application rates across wide boom widths up to 36 metres.

精密なCNC加工を施した高級合金鋼から製造されたこの Boom Sprayer 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。

Boom Sprayer Agricultural Gearbox

📈 Technical Specifications — Boom Sprayer Gearbox

Below are the standard specifications for our boom sprayer gearbox. All parameters can be customized to match your specific field spraying requirements.

パラメータ Standard Value Custom Options
Maximum Input Torque 800 Nm With overload protection
Gear Face Width 25 mm Wider for high-torque
Rated Power Capacity 10 – 150 HP (7-112 kW) Higher ratings available
過負荷保護 Slip clutch Adjustable trip settings
プライマリーギアタイプ Helical Gears Custom tooth profiles on request
ベアリングの設計寿命（L10） 6000 hours minimum Extended-life configurations
Recommended Lubricant full-synthetic 75W-140 Synthetic and bio-oil compatible
利用可能なギア比 1:1.93 to 1:2.5 Non-standard ratios manufactured to order
塗装システム 3-coat marine grade Stainless option for corrosive env.
IP Protection Class IP66 Up to IP67 on request
Drain Plug Type Quick-drain valve Sampling port option
出力速度範囲 346 – 1583 RPM Depends on selected ratio
潤滑方法 Splash/bath Forced lube for high-duty cycles
プライマリーベアリング Tapered Roller Bearings Premium bearing upgrades
PTO Input Speed 540 / 1000 RPM Economy PTO (750 RPM) option available
Module / Diametral Pitch M2 Finer/coarser modules available
石油生産能力 1.1 litres Oversized sump available
入力軸径 30 mm Custom diameters
Input Shaft Spline 6-spline (1-3/8″) / 21-spline (1-3/4″) 20-spline, 8-spline on request
反発 ≤ 10 arc-minutes Reduced backlash option

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 boom sprayer model and field spraying conditions.

✅ Our Boom Sprayer Gearbox vs Budget Alternatives

Investing in a quality gearbox is the smartest upgrade you can make to your boom sprayer. Here is the evidence:

仕様 Low-Cost Alternative Our Engineered Boom Sprayer Gearbox
騒音と振動 50メートル離れた場所からでも聞こえる甲高い音 Computer-optimized contact pattern reduces vibration 60% vs standard
Gear Material & Treatment Cast steel, surface-hardened only, shallow case 18CrNiMo7-6 aerospace-grade steel, shot-peened root fillets for fatigue life
Spare Parts Parts catalogue unavailable Standardized parts across model range
住宅設計 Recycled aluminium casting with porosity issues Precision die-cast housing, vacuum-impregnated to eliminate micro-porosity
Operating Efficiency 80-88% — varies wildly between units 96-98.5% — validated across full load range, not just peak efficiency point
ベアリング仕様 Budget ball bearings, C3 clearance, unknown origin 高品質テーパーローラーベアリング、精密予圧済み、10,000時間L10寿命
シーリングシステム Single-piece rubber boot, prone to cracking トリプルバリアシール：スプリング式リップ＋Vリング＋外部スリンガー

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

Boom Sprayer application

🔧 Inside the Boom Sprayer Gearbox — Engineering Principles

Here is how our Boom Sprayer gearbox converts PTO output into productive field spraying power:

▶ Power Input — PTO Connection

Your tractor’s PTO shaft engages with the gearbox through a hardened splined input shaft. The interface transmits torque while allowing minor angular misalignment. Inside, angular contact bearings support the input shaft and manage the combined loading of transmitted torque and driveline forces.

▶ Gear Reduction — Torque Conversion

The gear train employs precision-matched helical gears manufactured from carburized alloy steel. The profile is FEA-optimized to distribute contact stress across the full tooth face. The boom sprayer gearbox typically drives the main hydraulic pump or centrifugal pump that pressurizes spray liquid. Mounted on the sprayer frame, it converts PTO input to the pump speed needed for precise application rates across wide boom widths up to 36 metres. Typical mechanical efficiency exceeds 96%.

▶ Power Output — Pump Drive Drive

The output shaft delivers converted power directly to the boom sprayer’s pump drive. The output coupling is engineered for zero-backlash connection, ensuring immediate power delivery. The gearbox mounts at the implement’s drive junction where the output drives the pump drive performing field spraying.

▶ Thermal & Environmental Management

Every shaft penetration is protected by a double-lip oil seal, creating multi-barrier defense against dust, moisture, and crop debris. SAE 85W-140 EP provides continuous splash lubrication. The spheroidal graphite iron housing features integrated cooling fins for thermal management.

🔁 Direct Interchange — Boom Sprayer Gearbox Compatibility

Product names below serve as a compatibility guide for replacement purposes. No endorsement or sponsorship by the listed brands is implied.

Click each manufacturer below to see verified compatible boom sprayer models:

McCormick ✅
Compatible models: Model 7415, Mk-II, Type 72K. Direct bolt-on replacement — no modifications required.
Mitsubishi ✅
Compatible models: Mk-I, Series 555, 661T. Direct bolt-on replacement — no modifications required.
JCB ✅
Compatible models: Type 49E, G2.2, 235T. Direct bolt-on replacement — no modifications required.
Amazone ✅
Compatible models: 496T, Mk-II, Type 54A. Direct bolt-on replacement — no modifications required.
Lemken ✅
Compatible models: G9.4, Mk-V, C-182. Direct bolt-on replacement — no modifications required.
Geringhoff ✅
Compatible models: Series 876, Mk-V, 680S. Direct bolt-on replacement — no modifications required.
New Holland ✅
Compatible models: Type 54G, Model 3202, Series 888. Direct bolt-on replacement — no modifications required.

Spare Parts Inventory

Complete parts availability for the Boom Sprayer gearbox: bearing kits, seal kits, matched gear sets, shaft assemblies, and full rebuild kits. Standard parts ship within 24-48 hours.

📚 Quick Selection Guide — Choosing the Right Boom Sprayer Gearbox

Selecting the correct gearbox for your boom sprayer is essential for achieving optimal field spraying performance. Follow this checklist:

Step What to Confirm How to Determine Why It Matters
1 取り付けボルトパターン Measure the bolt hole positions, centre distances, and overall envelope on your boom sprayer’s gearbox mounting flange 加工やアダプタープレートを一切必要とせず、直接ボルトオンで取り付けられます。
2 トルク要求 Calculate the peak torque your field spraying 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 pump drive Speed Refer to your boom sprayer manufacturer’s manual for the recommended pump drive 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 回転方向 Determine whether the pump drive on your boom sprayer 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。
6 既存のギアボックスの識別 交換するギアボックスの銘板に記載されているブランド、モデル番号、および部品番号を記録してください。 Speeds up the matching process and ensures dimensional compatibility with your spraying implement
7 Operating Environment Assess exposure to dust, moisture, chemicals, and temperature extremes in your typical field spraying conditions Determines the appropriate seal grade, surface coating, and housing material specification

💡 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 — Boom Sprayer Gearbox

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

Step 1: 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。

ステップ2：取り付け面を準備する

Clean the mounting flange on the boom sprayer 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 3: 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 4: 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 5: Test Run & Break-In

トラクターを始動し、低回転数（約300回転/分）でPTOを作動させます。異音（研磨音、うなり音、ノッキング音、カチカチ音など）がないか注意深く聞いてください。15～20分間低速で運転し、ギアボックスハウジングの温度を（注意深く）手で監視します。すべてのシールと取り付け面からのオイル漏れがないか確認してください。徐々に最高運転速度まで上げていきます。

ステップ6：安全準備

Park the tractor on firm, level ground. Engage the parking brake and place wheel chocks. Turn off the engine and remove the key. Disconnect the PTO shaft from the boom sprayer. Allow all components to cool completely before touching. Wear appropriate PPE including gloves and safety glasses.

Step 7: Drain & Document Old Gearbox

Locate the drain plug on the existing gearbox and position a catch container underneath. Remove the drain plug and allow all oil to drain completely — inspect the oil for metal particles or discolouration that may indicate internal wear. Record the old gearbox model number, mounting bolt size, and shaft dimensions for reference.

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

⚠ Fault Diagnosis Guide — Boom Sprayer Gearbox

Use this diagnostic reference to identify and resolve common Boom Sprayer gearbox issues in the field. Most problems can be diagnosed and addressed without removing the gearbox from the boom sprayer.

⚠ギアボックスが過熱しています

推定原因： Insufficient oil volume or degraded lubricant

推奨される行動： Check oil level and grade against the specification. Clean all debris from the housing exterior — especially the cooling fins. If the boom sprayer is being operated at or above the gearbox’s rated power, reduce forward speed or PTO load. Consider upgrading to synthetic gear oil for improved thermal performance.

⚠ 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.

⚠ 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。

⚠ 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 pump drive for wear or damage.

⚠ 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）。

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。

📍 Real-World Performance — Boom Sprayer Gearbox Across Australia

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

📍 Case #1: Tamworth, NSW

お客様： Neil Ferguson — mixed farming enterprise
位置： Tamworth, NSW
農場規模： 8000 acres
応用： Boom Sprayer gearbox for boom sprayer — field spraying
購入理由： シーズン途中の緊急交換。オリジナルのギアボックスが壊滅的な故障を起こしたため。

“The technical support was exceptional. They asked detailed questions about our setup, recommended the correct model and ratio, and followed up after installation to confirm everything was operating correctly. That level of service is rare.”
— Neil Ferguson, Tamworth, NSW

Liam Byrne — Orange, NSW

手術： commercial field spraying contractor | サイズ： 3500 acres | 使用： Boom Sprayer gearbox for field spraying

購入理由： Custom ratio requirement for a modified boom sprayer 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 6 boom sprayer machines.”

📍 Port Lincoln, SA large-scale pastoral property — 2000 acres

クライアント： Wayne Crawford | 応用： Boom Sprayer gearbox — field spraying

目的： Replace failed OEM gearbox to restore boom sprayer 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.”

📍 Case #4: Kingaroy, QLD

お客様： Glenn Abbott — irrigated cropping enterprise
位置： Kingaroy, QLD
農場規模： 450エーカー
応用： Boom Sprayer gearbox for boom sprayer — field spraying
購入理由： Fleet standardisation — transitioning all boom sprayer equipment to a single gearbox supplier

「決め手となったのは、包括的な保証でした。除外事項も細かい条項も一切ありませんでした。異音について質問した際（ギアボックスではなく、駆動系の問題だったことが判明しました）、電話で無料で診断してくれました。」
— Glenn Abbott, Kingaroy, QLD

Greg McPherson — Bendigo, VIC

手術： family-run farming operation | サイズ： 4000 acres | 使用： Boom Sprayer gearbox for field spraying

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 operate in a high-rainfall zone and corrosion has been a persistent problem with gearboxes. The coating on this unit is noticeably more robust — no rust after 1 full seasons of outdoor storage.”

💬 Common Questions About Our Boom Sprayer Gearbox

🔹 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。

🔹ギアボックスにはどのような書類が同梱されていますか？

すべてのギアボックスには、トルク仕様、潤滑およびメンテナンススケジュール、個々の部品番号が記載された部品図、保証登録カード、およびユニットのシリアル番号とテスト結果が記載された品質検査証明書が同梱されています。

🔹 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.

🔹 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.

🔹 Can the output shaft be customized for my specific boom sprayer?

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

🔹 Can I return a gearbox if it does not fit my boom sprayer?

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。

🔹 Can this gearbox withstand the shock loads generated during field spraying?

The gearbox is specifically designed for the dynamic and impact loading characteristic of field spraying 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 boom sprayer load profiles.

🔹 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.

🔹 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。

🔹 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.

⚙ Build a Reliable Field Spraying Powertrain

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。 Boom Sprayer 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 Boom Sprayer gearbox input spline.

View Range →

Gearbox Range

Gearbox Catalogue

Looking for gearboxes for other farm implements? Our product line spans tillage, harvesting, baling, spraying, and specialty applications.

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📜 Australian Compliance & Regulations — Boom Sprayer Gearboxes

Operating boom sprayer equipment in Australia requires compliance with federal and state workplace health and safety legislation. Key requirements for Boom Sprayer gearbox installations include:

Regulatory Framework

AS 1636 — Agricultural Machinery Safety
Our gearboxes meet design requirements for agricultural machinery components, including rotating part guarding interfaces.
AS/NZS 3788 — Pressure Equipment
Gearbox housings safely contain internal operating pressures in compliance with applicable standards.
AS 4024 — Safeguarding of Machinery
Our products comply with Australian machinery safeguarding standards applicable to agricultural boom sprayer equipment.

State Workplace Safety Legislation

ACT — WHS Regulation 2011
mirrors national standards for agricultural machinery including boom sprayer equipment.
Tasmania — WHS Regulations 2012
mandates operator training for all PTO-driven boom sprayer equipment.
Western Australia — WHS (General) Regulations 2022
includes obligations for remote farm operations involving field spraying equipment.

Australia-Wide Boom Sprayer Gearbox Distribution

We deliver Boom Sprayer agricultural gearboxes to every state and territory in Australia. Our logistics network covers major farming regions including the Riverina, the Murrumbidgee Irrigation Area, and the Liverpool Plains, the Darling Downs, the Lockyer Valley, and the Burnett region, and the Katherine region, the Douglas Daly, and the Top End. 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.

🚨 Ready to Order Your Boom Sprayer Gearbox?

Factory

Our Capabilities

15+ industry experience. 120,000+ gearboxes produced annually. Exporting to 50+ countries.

  • ISO 9001:2015 certified quality management with full batch traceability
  • Annual production capacity exceeding 100,000 gearbox units
  • Vibration analysis and noise measurement on every production batch

Custom Orders — Your Design, Our Manufacturing

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 boom sprayer, we deliver — from prototype to volume production.

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