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.

From the hardened gear teeth to the heavy-duty shaft seals, every element is selected and assembled to deliver thousands of hours of trouble-free service. Australian farmers operating in dust, heat, mud, and moisture rely on this gearbox to perform consistently throughout the most demanding seasons.

⚙ Rapeseed/Canola Harvester Gearbox — Engineering Data Sheet

The following table presents key engineering parameters for our agricultural canola harvester gearbox. Every specification listed can be modified through our custom manufacturing service.

Specification	Rated Value	Customization
1米处的噪音	≤ 72 dB(A)	低噪声配置文件可选
排水塞类型	Sight glass + drain combo	采样端口选项
反弹	≤ 12 arc-minutes	减少反冲选项
输出速度范围	302 – 1961 RPM	Depends on selected ratio
安装配置	4-bolt rectangular	可提供定制安装板
质量认证	ISO 9001:2015	可提供审计报告
房屋材料	球墨铸铁	可选材料升级
最大输入扭矩	500 Nm	With overload protection
环境温度范围	-35°C to +95°C	Arctic / tropical variants
输出轴直径	25 mm	匹配以实现耦合
齿轮级数	1	Multi-stage for high ratios
石油产能	0.8 litres	Oversized sump available
输出轴类型	Splined shaft	Custom output configurations
主齿轮类型	Straight Bevel Gears	Custom tooth profiles on request
输入轴直径	45毫米	Custom diameters
主轴承	Needle Roller Bearings	高级轴承升级
额定负载下的效率	95%	使用测功机测量
模数/径距	M3.5	Finer/coarser modules available
输入轴花键	6齿花键（1-3/8″）/ 21齿花键（1-3/4″）	20-spline, 8-spline on request
轴承设计寿命（L10）	至少4000小时	延长使用寿命配置

联系我们 工程团队 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:

特征	经济型/进口变速箱	Our Premium Rapeseed/Canola Harvester Gearbox
运营效率	80-88% — varies wildly between units	95-97% — 经校准测功机独立验证
表面保护	单层喷漆，一个季度后就会剥落	适用于极端环境的热浸镀锌选项
轴承规格	标准开放式轴承，无预紧力	Double-row tapered rollers, sealed-for-life lubrication option
备件	没有单独的零件——必须购买整个变速箱	现成的完整重建套件
噪音和振动	Significant tonal noise from poor gear mesh	Balanced rotating assembly, vibration below 2.5 mm/s RMS
保修与支持	No warranty — buy at own risk	两年全面保修 + 工程师热线 + 安装支持

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.

⚙ 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

Manufacturer references below help buyers match our gearbox to their equipment. We do not claim any association with these brands.

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

服务组件

查看零件清单

轴承套件（输入/输出）、密封套件（所有位置）、配套齿轮、轴组件、大修套件、五金配件包。所有产品均在 24-48 小时内发货。

🎯 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

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

Why it matters: 结合动力输出轴转速，即可确定变速箱所需的精确齿轮比。

Step 2: Working Hours per Season

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

Why it matters: 高工时运行需要采用优质轴承和齿轮，以实现最低的每小时成本。

Step 3: Existing Gearbox Identification

How: Record the brand, model number, and any part numbers from the nameplate of the gearbox being replaced

Why it matters: Speeds up the matching process and ensures dimensional compatibility with your canola harvesting equipment

Step 4: Torque Demand

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

Why it matters: 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。

Step 5: Power Requirement

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

Why it matters: 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。

Step 6: Output Shaft Type

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

Why it matters: 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。

Step 7: Operating Environment

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

Why it matters: 确定合适的密封等级、表面涂层和外壳材料规格

💡 专业提示： 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.

🔧 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)

现场运行10小时后，将所有安装螺栓重新拧紧至规定扭矩。检查油位，必要时添加机油。检查所有密封件是否有渗漏迹象。确认传动轴护罩已正确重新安装。记录安装日期和小时计读数，以便日后安排维护。

Step 3: Connect PTO Driveline

Align the PTO driveline with the gearbox input shaft and slide the yoke onto the splines until the locking mechanism engages. Verify the spline count matches (6-spline for 540 RPM, 21-spline for 1000 RPM). Check that driveline operating angles do not exceed 15° — excessive angles cause premature U-joint failure and vibration.

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

找到现有变速箱上的放油螺塞，并在下方放置一个接油容器。拧下放油螺塞，让所有油液完全排出——检查油液中是否有金属颗粒或变色，这些都可能表明内部磨损。记录旧变速箱的型号、安装螺栓尺寸和轴的尺寸，以备参考。

Step 6: Fill With Lubricant

Remove the fill plug and slowly add the recommended gear oil until it reaches the level indicator. Use the lubricant grade specified in the gearbox documentation (typically SAE 80W-90 GL-5 or equivalent). Replace the fill plug and hand-tighten, then snug with a wrench. Verify the breather cap is clean and unobstructed.

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.

⚠ 重要提示： 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

可能原因： Stripped gear teeth or broken gear

建议采取的行动： 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.

⚠ 变速箱过热

可能原因： Operating beyond rated horsepower or duty cycle

建议采取的行动： 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.

⚠ 变速箱在动力输出轴接合时发出金属撞击声

可能原因： Loose internal components or retaining hardware

建议采取的行动： 动力输出轴接合时（而非运转过程中）发出咔嗒声通常表示传动轴间隙过大——检查传动轴伸缩管是否有磨损。如果咔嗒声在运转过程中出现，则可能表示内部磨损导致齿轮间隙过大。如果声音逐渐增强，则需要检查变速箱。

⚠ 动力输出轴传动装置与变速箱连接困难

可能原因： Rust or debris on the input shaft splines

建议采取的行动： 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.

⚠ 异常研磨声或啸叫声

可能原因： Insufficient lubricant or incorrect oil grade

建议采取的行动： 排出机油并检查是否有金属颗粒。加注正确等级的机油。如果换油后噪音仍然存在，则需要检查轴承或齿轮。请联系技术支持以获取维修指导。

如果上述措施仍无法解决任何问题， 联系我们的技术支持团队 我们提供专家诊断服务。对于严重的故障情况，我们可以安排远程故障排除或派遣替换设备。

📍 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.

💬 Common Questions About Our Rapeseed/Canola Harvester Gearbox

🔹变速箱附带哪些文档？

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）。

🔹 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.

🔹 批量订购的最低数量是多少？

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.

🔹 购买后你们提供技术支持吗？

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。

🔹你们提供哪些付款和订购方式？

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。

🔹你们向澳大利亚偏远农业地区送货吗？

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。

🔧 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.

⚖ 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	变速箱壳体能够安全地承受内部工作压力，符合适用标准。

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

我们送货 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

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.

🏭 Discover Our Full Capabilities →

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。