Gearbox for Rapeseed/Canola Harvester

Heavy-Duty Rapeseed/Canola Harvester Gearbox — Engineered to Outlast and Outperform

Productive rapeseed harvesting starts with dependable power transmission. The Rapeseed/Canola Harvester gearbox we manufacture is a precision instrument — not a commodity part. This gearbox drives the vertical knife, reel, and auger on a canola swather or direct-cut header. The gear reduction must deliver smooth, vibration-free operation to prevent pod shatter — a critical concern in canola harvesting where even minor vibration causes significant yield loss.

Des engrenages trempés aux joints d'arbre renforcés, chaque composant est sélectionné et assemblé pour garantir des milliers d'heures de fonctionnement sans problème. Les agriculteurs australiens, confrontés à la poussière, à la chaleur, à la boue et à l'humidité, comptent sur cette boîte de vitesses pour une performance constante, même dans les conditions les plus difficiles.

Rapeseed/Canola Harvester Agricultural Gearbox

⚙ Rapeseed/Canola Harvester Gearbox — Engineering Data Sheet

Le tableau suivant présente les principaux paramètres d'ingénierie de notre agricultural canola harvester gearboxChaque spécification mentionnée peut être modifiée grâce à notre service de fabrication sur mesure.

Spécification	Valeur nominale	Personnalisation
Bruit à 1 m de distance	≤ 72 dB(A)	Profils à faible bruit en option
Type de bouchon de vidange	Sight glass + drain combo	Option de port d'échantillonnage
Contrecoup	≤ 12 minutes d'arc	Option de réduction du jeu
Output Speed Range	302 – 1961 RPM	Depends on selected ratio
Mounting Configuration	4-bolt rectangular	Custom mounting plates available
Quality Certification	ISO 9001:2015	Audit reports available
Matériau du boîtier	Spheroidal Graphite Iron	Améliorations matérielles optionnelles
Maximum Input Torque	500 Nm	With overload protection
Ambient Temperature Range	-35°C to +95°C	Arctic / tropical variants
Diamètre de l'arbre de sortie	25 mm	Correspondance pour implémenter le couplage
Number of Gear Stages	1	Multi-stage for high ratios
Capacité pétrolière	0.8 litres	cuve surdimensionnée disponible
Type d'arbre de sortie	Splined shaft	Configurations de sortie personnalisées
Primary Gear Type	Straight Bevel Gears	Custom tooth profiles on request
Input Shaft Diameter	45 mm	Custom diameters
paliers primaires	Needle Roller Bearings	Améliorations des roulements haut de gamme
Efficiency at Rated Load	95%	Measured on dynamometer
Module / Diametral Pitch	M3.5	Finer/coarser modules available
Input Shaft Spline	6-spline (1-3/8″) / 21-spline (1-3/4″)	20-spline, 8-spline on request
Bearing Design Life (L10)	4000 hours minimum	Extended-life configurations

Contactez-nous équipe d'ingénierie for a detailed specification sheet tailored to your canola harvester model and rapeseed harvesting conditions.

🏆 Performance Advantages — Why Our Rapeseed/Canola Harvester Gearbox Leads the Field

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

Feature	Budget / Import Gearbox	Our Premium Rapeseed/Canola Harvester Gearbox
Efficacité opérationnelle	80-88% — varie énormément d'une unité à l'autre	95-97% — independently verified on calibrated dynamometer
Protection de surface	Single-coat spray paint, peels after one season	Hot-dip galvanized option for extreme environments
Bearing Specification	Standard open bearings, no pre-load	Double-row tapered rollers, sealed-for-life lubrication option
Spare Parts	No individual parts — must buy complete gearbox	Complete rebuild kits off-the-shelf
Bruit et vibrations	Significant tonal noise from poor gear mesh	Balanced rotating assembly, vibration below 2.5 mm/s RMS
Warranty & Support	No warranty — buy at own risk	Full 2-year warranty + engineer hotline + install support

When your livelihood depends on your canola harvester performing during critical rapeseed harvesting windows, a quality gearbox is essential. Choose the gearbox validated by millions of Australian field hours.

Rapeseed/Canola Harvester application

⚙ From PTO to Header Drive — Rapeseed/Canola Harvester Gearbox Anatomy

The Rapeseed/Canola Harvester gearbox operation can be understood through four interconnected systems:

1 — Input System: 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, spherical roller bearings support the input shaft and manage the combined loading of transmitted torque and driveline forces.

2 — Conversion System: Inside the housing, precisely meshed straight bevel gears convert PTO high-speed input into modified speed and amplified torque for the header drive. This gearbox drives the vertical knife, reel, and auger on a canola swather or direct-cut header. The gear reduction must deliver smooth, vibration-free operation to prevent pod shatter — a critical concern in canola harvesting where even minor vibration causes significant yield loss. Gear tooth profiles are case-hardened to HRC 58-62 and precision-ground, achieving 96-98% mechanical efficiency.

3 — Output System: The transformed power exits through the output shaft to the canola harvester’s working mechanism, specifically driving the header drive for core rapeseed harvesting function. The output connection is engineered for vibration-free, backlash-free transmission at the point of work.

4 — Protection System: The cast iron housing acts as a heat sink with cooling fins for convective cooling. Internal splash lubrication with SAE 80W-90 GL-5 ensures all surfaces maintain a protective oil film. Spring-Loaded Lip Seals at each shaft opening block contaminants while retaining lubricant.

🔁 Cross-Compatibility Data for Rapeseed/Canola Harvester Gearbox

Les références des fabricants ci-dessous aident les acheteurs à choisir la boîte de vitesses compatible avec leur équipement. Nous ne revendiquons aucune affiliation avec ces marques.

OEM	Cross-Referenced Models	Verified
AGCO	G2.8, Series 192, Type 11J	✅
TYM	494Z, Series 880, G7.7	✅
Mahindra	G2.6, Mk-II, J-549	✅
Caterpillar	Type 87H, Model 1597, Mk-I	✅
Kverneland	G-355, Mk-I, Series 266	✅

Service Components

View Parts List

Bearing kits (input & output), seal kits (all positions), matched gear pairs, shaft assemblies, overhaul kits, hardware packs. All ship within 24-48 hours.

🎯 Rapeseed/Canola Harvester Gearbox Sizing Guide — Get the Right Fit First Time

Use this step-by-step guide to identify the exact gearbox model for your canola harvester. Click each step for detailed instructions.

Step 1: Required header drive Speed

Comment: Refer to your canola harvester manufacturer’s manual for the recommended header drive operating speed

Pourquoi c'est important : Associé à la vitesse de la prise de force, cela définit le rapport de transmission exact dont votre boîte de vitesses a besoin.

Step 2: Working Hours per Season

Comment: Estimate your annual operating hours for the canola harvester to determine appropriate service life rating

Pourquoi c'est important : Les opérations à forte cadence justifient des spécifications haut de gamme pour les roulements et les engrenages afin d'obtenir le coût horaire le plus bas.

Step 3: Existing Gearbox Identification

Comment: Notez la marque, le numéro de modèle et toutes les références figurant sur la plaque signalétique de la boîte de vitesses remplacée.

Pourquoi c'est important : Speeds up the matching process and ensures dimensional compatibility with your canola harvesting equipment

Step 4: Torque Demand

Comment: Calculate the peak torque your rapeseed harvesting application generates — including shock loads from obstacles or material variations

Pourquoi c'est important : La boîte de vitesses doit supporter le couple maximal sans déclencher la protection contre les surcharges en fonctionnement normal.

Step 5: Power Requirement

Comment: Match the gearbox HP rating to your tractor’s PTO horsepower output and the canola harvester’s demand

Pourquoi c'est important : Under-rating leads to overheating and premature failure; over-rating adds unnecessary cost and weight

Step 6: Output Shaft Type

Comment: Identify the coupling type on your canola harvester — keyed, splined, flanged, or hollow bore

Pourquoi c'est important : Mismatched outputs require costly adapter couplings and introduce potential failure points

Step 7: Operating Environment

Comment: Assess exposure to dust, moisture, chemicals, and temperature extremes in your typical rapeseed harvesting conditions

Pourquoi c'est important : Détermine le degré d'étanchéité approprié, le revêtement de surface et les spécifications du matériau du boîtier

💡 Conseil de pro : For fastest service, email us the old gearbox part number (if visible), your tractor brand and model, and your canola harvester manufacturer and model. Our engineers will confirm the exact match and provide a quotation within one business day.

Agricultural Gearbox Collection

🔧 Technician’s Installation Manual — Rapeseed/Canola Harvester Gearbox

Follow these instructions for a successful installation of your new Rapeseed/Canola Harvester gearbox. Correct installation is critical for achieving maximum service life and warranty coverage.

Step 1: Connect Output to header drive

Attach the gearbox output shaft to the canola harvester’s header drive 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 2: Post-Installation Checks (10-Hour Service)

Après les 10 premières heures de fonctionnement, resserrez tous les boulons de fixation au couple prescrit. Vérifiez le niveau d'huile et faites l'appoint si nécessaire. Inspectez tous les joints pour détecter toute fuite. Assurez-vous que le protecteur de transmission est correctement réinstallé. Notez la date d'installation et le relevé du compteur horaire pour la planification des opérations de maintenance ultérieures.

Step 3: Connect PTO Driveline

Alignez la transmission de la prise de force avec l'arbre d'entrée de la boîte de vitesses et glissez le joug sur les cannelures jusqu'à l'enclenchement du mécanisme de verrouillage. Vérifiez que le nombre de cannelures correspond (6 cannelures pour 540 tr/min, 21 cannelures pour 1 000 tr/min). Assurez-vous que les angles de fonctionnement de la transmission ne dépassent pas 15° ; des angles excessifs entraînent une usure prématurée du joint de cardan et des vibrations.

Step 4: Prepare the Mounting Surface

Clean the mounting flange on the canola harvester 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 5: Drain & Document Old Gearbox

Repérez le bouchon de vidange de la boîte de vitesses existante et placez un récipient de récupération en dessous. Retirez le bouchon et laissez l'huile s'écouler complètement. Examinez l'huile afin de détecter la présence de particules métalliques ou une décoloration pouvant indiquer une usure interne. Notez la référence de l'ancienne boîte de vitesses, le diamètre des boulons de fixation et les dimensions de l'arbre pour référence.

Step 6: Fill With Lubricant

Retirez le bouchon de remplissage et ajoutez lentement l'huile de boîte de vitesses recommandée jusqu'au repère de niveau. Utilisez la viscosité spécifiée dans la documentation de la boîte (généralement SAE 80W-90 GL-5 ou équivalent). Remettez le bouchon de remplissage en place et serrez-le à la main, puis à l'aide d'une clé. Vérifiez que le bouchon de mise à l'air libre est propre et dégagé.

Step 7: Safety Preparation

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 canola harvester. Allow all components to cool completely before touching. Wear appropriate PPE including gloves and safety glasses.

Step 8: Position & Secure New Gearbox

Carefully lift the new Rapeseed/Canola Harvester 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.

⚠ Important : Always consult the specific installation manual shipped with your Rapeseed/Canola Harvester gearbox for model-specific torque values and procedures.

⚠ Fault Diagnosis Guide — Rapeseed/Canola Harvester Gearbox

Use this diagnostic reference to identify and resolve common Rapeseed/Canola Harvester gearbox issues in the field. Most problems can be diagnosed and addressed without removing the gearbox from the canola harvester.

⚠ Output Shaft Stops Turning While Input Rotates

Cause probable : Stripped gear teeth or broken gear

Action recommandée : Check the overload protection device first — this is the most likely cause if the gearbox was recently subjected to a sudden overload. Replace the shear bolt or reset the slip clutch per the manual. If overload protection is intact, the gearbox has internal damage and requires professional service.

⚠ Surchauffe excessive de la boîte de vitesses

Cause probable : Fonctionnement au-delà de la puissance nominale ou du cycle de service

Action recommandée : Check oil level and grade against the specification. Clean all debris from the housing exterior — especially the cooling fins. If the canola harvester 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.

⚠ La boîte de vitesses produit un claquement métallique lors de l'engagement de la prise de force.

Cause probable : composants internes desserrés ou quincaillerie de fixation

Action recommandée : Un claquement lors de l'engagement de la prise de force (mais pas en fonctionnement) indique généralement un jeu dans la transmission ; vérifiez l'usure du tube télescopique. Si le claquement se produit en fonctionnement, il peut indiquer un jeu excessif des engrenages dû à l'usure interne. Si le bruit s'aggrave, faites inspecter la boîte de vitesses.

⚠ Difficulty Connecting PTO Driveline to Gearbox

Cause probable : Rust or debris on the input shaft splines

Action recommandée : Clean the input shaft splines with a wire brush and apply a light coat of anti-seize. Slowly rotate the PTO shaft while pushing to align the splines. If the splines will not engage, verify the spline count matches your PTO standard — 6-spline for 540 RPM, 21-spline for 1000 RPM.

⚠ Bruit de grincement ou de sifflement anormal

Cause probable : Lubrifiant insuffisant ou huile de qualité inadéquate

Action recommandée : Vidangez l'huile et vérifiez l'absence de particules métalliques. Remplissez-la avec l'huile de la viscosité appropriée. Si le bruit persiste après la vidange, une inspection des roulements ou des engrenages est nécessaire. Contactez l'assistance technique pour obtenir des instructions de réfection.

Si un problème quelconque ne peut être résolu par les actions ci-dessus, contactez notre équipe d'assistance technique Pour un diagnostic expert, nous pouvons organiser un dépannage à distance ou expédier une unité de remplacement en cas de panne critique.

📍 Real-World Performance — Rapeseed/Canola Harvester Gearbox Across Australia

Our agricultural gearboxes are field-proven across every Australian state and territory. Below are documented case studies from recent Rapeseed/Canola Harvester gearbox installations.

📍 Case #1: Emerald, QLD

Client:	Glenn Abbott — family-run farming operation
Emplacement:	Emerald, QLD
Taille de l'exploitation :	5000 acres
Application:	Rapeseed/Canola Harvester gearbox for canola harvester — rapeseed harvesting
Motif de l'achat :	Emergency mid-season replacement after catastrophic original gearbox failure

“We operate in a region with heavy red soil and corrosion has been a persistent problem with gearboxes. The coating on this unit is noticeably more robust — no rust after 2 full seasons of outdoor storage.”
— Glenn Abbott, Emerald, QLD

Brian Fitzgerald — Hamilton, VIC

Opération: grain and livestock property | Taille: 800 acres | Utiliser: Rapeseed/Canola Harvester gearbox for rapeseed harvesting

Motif de l'achat : Replace failed OEM gearbox to restore canola harvester 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 — continuous 12-hour shifts — without complaint.”

📍 Young, NSW specialist canola harvester operator — 4000 acres

Client: Kevin Donovan | Application: Rapeseed/Canola Harvester gearbox — rapeseed harvesting

But: Amélioration d'un modèle d'entrée de gamme qui a duré moins d'une saison.

“The custom ratio option was a game-changer for our operation. We needed a non-standard output speed that no other supplier could provide. The engineering team designed a solution within a week and it worked perfectly from day one.”

📍 Case #4: Perth, WA

Client:	Ben Murdoch — family-run farming operation
Emplacement:	Perth, WA
Taille de l'exploitation :	1200 acres
Application:	Rapeseed/Canola Harvester gearbox for canola harvester — rapeseed harvesting
Motif de l'achat :	Remplacement préventif programmé dans le cadre d'un programme d'entretien annuel

“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 3 canola harvester machines.”
— Ben Murdoch, Perth, WA

Michael O’Brien — Innisfail, QLD

Opération: corporate farming entity | Taille: 1200 acres | Utiliser: Rapeseed/Canola Harvester gearbox for rapeseed harvesting

Motif de l'achat : Custom ratio requirement for a modified canola harvester not served by standard catalogues

“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.”

💬 Common Questions About Our Rapeseed/Canola Harvester Gearbox

🔹 What documentation ships with the gearbox?

Every gearbox ships with: installation manual with torque specifications, lubrication and maintenance schedule, parts diagram with individual part numbers, warranty registration card, and a quality inspection certificate with the unit’s serial number and test results.

🔹 Can I return a gearbox if it does not fit my canola harvester?

If you provide your equipment details before ordering and we confirm compatibility, fitment is guaranteed. In the rare event of a compatibility issue, we offer a no-questions-asked exchange or refund on unused gearboxes within 30 days of delivery. Our goal is to match you with the correct gearbox on the first order.

🔹 Quel est le montant minimum de commande pour bénéficier d'une tarification dégressive ?

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 canola harvester manufacturers. Contact our sales team for a formal quotation tailored to your volume requirements.

🔹 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 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.

🔹 Will this gearbox fit older-model canola harvester equipment?

We maintain compatibility databases covering canola harvester 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.

🔹 Can the output shaft be customized for my specific canola harvester?

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

🔹 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.

🔹 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.

🔹 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.

🔧 Essential Accessories for Rapeseed/Canola Harvester Applications

For optimal performance, pair your Rapeseed/Canola Harvester agricultural gearbox with our matching PTO drive shafts and accessories.

PTO Drive Shaft for Rapeseed/Canola Harvester

Heavy-duty PTO driveline assemblies featuring precision cross journals, integrated guard tubes, and multi-spline connections compatible with our Rapeseed/Canola Harvester gearbox.

View PTO Shafts →

Explore Our Gearbox Range

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

Browse Gearboxes →

⚖ Safety Standards for Rapeseed/Canola Harvester Equipment in Australia

Australian farmers must ensure all agricultural machinery — including canola harvester with PTO-driven gearboxes — meets applicable safety standards. Here is a summary of the requirements relevant to your Rapeseed/Canola Harvester gearbox:

Standards Compliance

Standard	Relevance
AGMA 2001 — Gear Tooth Rating	Gear designs validated against AGMA standards for bending strength and pitting resistance.
AS/NZS 3788 — Pressure Equipment	Gearbox housings safely contain internal operating pressures in compliance with applicable standards.

State-Level WHS Requirements

Victoria — OHS Regulations 2017: specifies risk assessment requirements for rapeseed harvesting machinery operations.
ACT — WHS Regulation 2011: mirrors national standards for agricultural machinery including canola harvester equipment.
Western Australia — WHS (General) Regulations 2022: includes obligations for remote farm operations involving rapeseed harvesting equipment.

Australia-Wide Rapeseed/Canola Harvester Gearbox Distribution

We deliver Rapeseed/Canola Harvester agricultural gearboxes to every state and territory in Australia. Our logistics network covers major farming regions including the Katherine region, the Douglas Daly, and the Top End, the Riverina, the Murrumbidgee Irrigation Area, and the Liverpool Plains, 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.

📧 Request a Custom Quotation — Rapeseed/Canola Harvester Gearbox

Our Factory

With 20+ experience and over 100,000 gearboxes produced each year, we are one of the most established agricultural gearbox manufacturers serving the Australian market. Our production capabilities include: complete vertical integration — from raw forgings to finished assemblies, dynamic gearbox testing on calibrated absorption dynamometers, dedicated r&d team for custom and prototype gearbox development, and much more.

Standard & Custom — We Build Both

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.

Drawings, samples, dimensions, photos — whatever you have, send it. We will engineer the rest.

📧 Contact Our Engineering Team

🏭 Discover Our Full Capabilities →

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