High-Performance Agricultural Gearbox for Tea Harvester Applications
Your tea harvester depends on a gearbox that can translate raw PTO power into productive tea leaf harvesting force — reliably, efficiently, and without unexpected failure. That is exactly what our Tea Harvester agricultural gearbox delivers. A tea harvester gearbox drives the reciprocating cutter bar or rotary picking mechanism that selectively harvests the top flush of tea leaves. The compact, lightweight design is critical because tea harvesters must be maneuverable on steep plantation slopes.
We engineer each gearbox specifically for the mechanical profile of tea leaf harvesting. The gear geometry, bearing selection, and housing design are all optimized for the load patterns, duty cycles, and environmental exposures unique to tea harvester operations across Australian farming conditions.

⚙ Tea Harvester Gearbox — Engineering Data Sheet
The following table presents key engineering parameters for our agricultural tea harvester gearbox. Every specification listed can be modified through our custom manufacturing service.
| Specification | Rated Value | Customization |
|---|---|---|
| 旋转方向 | CCW standard (CW optional) | Reversible models |
| PTO输入速度 | 540/1000 转/分 | 可选经济型动力输出轴(750 转/分) |
| Surface Coating | Ceramic-filled epoxy | Custom RAL colours available |
| 最大连续扭矩 | 250 – 1200 Nm | 峰值扭矩:150%(连续) |
| 输入轴直径 | 25 mm | Custom diameters |
| Gear Core Hardness | HRC 32 | Tough shock-absorbing core |
| 齿轮级数 | 1 | Multi-stage for high ratios |
| 输出轴直径 | 25 mm | 匹配以实现耦合 |
| 质量认证 | AS/NZS ISO 9001 | 可提供审计报告 |
| 主齿轮类型 | Bevel Gears | Custom tooth profiles on request |
| 轴承设计寿命(L10) | 至少4000小时 | 延长使用寿命配置 |
| 最大输入扭矩 | 400 Nm | With overload protection |
| 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 |
| IP Protection Class | IP55 | Up to IP67 on request |
| 模数/径距 | M5 | Finer/coarser modules available |
| 主轴承 | Double-Row Tapered Roller Bearings | 高级轴承升级 |
| 可用齿轮比 | 1:1.25 to 1:3 | 非标准配比,按需生产 |
| 安装配置 | 三螺栓法兰 | 可提供定制安装板 |
| 设计标准 | AGMA 2001-D04 | 第三方认证 |
| Gear Surface Hardness | HRC 58 – 64 | Carburized + ground |
联系我们 工程团队 for a detailed specification sheet tailored to your tea harvester model and tea leaf harvesting conditions.
⭐ Measurable Advantages of Our Tea Harvester Gearbox
Investing in a quality gearbox is the smartest upgrade you can make to your tea harvester. Here is the evidence:
| 范围 | Cheap Import Gearbox | Our Heavy-Duty Tea Harvester Gearbox |
|---|---|---|
| Expected Service Life | Unpredictable — many fail within first season | 3,000-5,000+ hours — backed by engineering data |
| 噪音和振动 | High-pitch whine audible from 50m away | Balanced rotating assembly, vibration below 2.5 mm/s RMS |
| 轴承规格 | 标准开放式轴承,无预紧力 | SKF/NSK equivalent class, matched bearing sets, factory pre-load adjustment |
| 住宅设计 | Thin-wall grey iron, prone to cracking under shock | Spheroidal graphite iron (SG700), CNC-machined bearing bores, integrated cooling fins |
| 表面保护 | Brush-applied enamel, inconsistent coverage | 阴极电泳涂装+粉末涂装,1000小时盐雾试验 |
| 备件 | Parts vary batch to batch | Online parts catalogue, next-day dispatch |
| 齿轮材料及处理 | 低碳钢感应淬火 | 20CrMnTi alloy, vacuum-carburized, precision profile-ground to AGMA Class 11 |
我们的 Tea Harvester gearbox doesn’t just match OEM quality — it exceeds it. And at a fraction of OEM replacement cost. That’s the value proposition that has made us the preferred supplier for tea leaf harvesting professionals across Australia.

🔧 Power Pathway: How Your Tea Harvester Gearbox Works
了解你的内部机制 tea harvester gearbox 帮助您优化性能并及早发现磨损迹象。
第一阶段:动力输出轴(PTO)动力接收
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 spherical roller bearings rated for continuous heavy-duty tea leaf harvesting operation.
第二阶段:齿轮减速和扭矩转换
The heart of the gearbox is a matched set of bevel gears, forged from Cr-Mo alloy steel. These gears reduce rotational speed from PTO RPM to the cutter bar drive’s working speed while proportionally multiplying torque. A tea harvester gearbox drives the reciprocating cutter bar or rotary picking mechanism that selectively harvests the top flush of tea leaves. The compact, lightweight design is critical because tea harvesters must be maneuverable on steep plantation slopes. The gear mesh geometry is computer-optimized for even load distribution.
Stage 3: Output to the Cutter Bar Drive
Power exits through the output shaft connecting to the tea harvester’s cutter bar drive. The output configuration (keyed, splined, flanged, or hollow bore) matches the implement’s drive requirements. Smooth power flow to the cutter bar drive is maintained regardless of load fluctuations during tea leaf harvesting.
第四阶段:润滑与热控制
The spheroidal graphite iron housing acts as a heat sink with cooling fins for convective cooling. Internal splash lubrication with mineral 85W-90 GL-4 ensures all surfaces maintain a protective oil film. Ptfe Rotary Seals at each shaft opening block contaminants while retaining lubricant.
🔄 OEM Replacement Reference — Tea Harvester Agricultural Gearbox
All manufacturer names and model numbers below are property of their respective owners, cited for cross-reference only. No affiliation or endorsement is implied.
Confirmed compatible tea harvester models by manufacturer:
Rebuild Kits & Parts
🔎 Buyer’s Checklist — Tea Harvester Gearbox Selection Made Simple
Use this step-by-step guide to identify the exact gearbox model for your tea harvester. Click each step for detailed instructions.
💡 专业提示: For fastest service, email us the old gearbox part number (if visible), your tractor brand and model, and your tea harvester manufacturer and model. Our engineers will confirm the exact match and provide a quotation within one business day.

🛠 Installation Procedure for Your Tea Harvester Gearbox
This guide covers the complete process of replacing the gearbox on your tea harvester. Each step includes specific details for tea leaf harvesting equipment — follow them in sequence for best results.
Step 1 — Connect PTO Driveline
Slide the PTO driveline yoke over the gearbox input spline. Ensure full engagement — the yoke should slide past the retaining groove and click into place. Test the engagement by pulling firmly on the yoke; it should not detach. Verify that the driveline length allows adequate telescoping stroke throughout the full range of implement movement.
Step 2 — Prepare the Mounting Surface
Scrape any old gasket material or RTV sealant from the tea harvester’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 — Position & Secure New Gearbox
With an assistant or hoist, position the new gearbox onto the tea harvester’s mounting flange. Align the locating dowels or pilot bore first, then insert the mounting bolts. Tighten in stages: first to 50% torque in a star pattern, then to 75%, then to full specification. Check for flush seating around the entire perimeter.
Step 4 — Remove Old Gearbox
Detach the driveline yoke from the gearbox input. If the gearbox also has an output coupling to the cutter bar 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 — Test Run & Break-In
With the tea harvester 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 6 — Safety Preparation
Position the tea harvester 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 7 — 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 8 — Fill With Lubricant
Add gear oil through the fill port. Use the grade recommended in the installation manual. Fill until oil just begins to weep from the level check hole (if provided) or reaches the bottom of the fill port. Wipe any spilled oil from the housing. Confirm the magnetic drain plug is fully seated.
⚠ 重要提示: For safety, never work under unsupported equipment. Use proper lifting devices when handling the gearbox unit.
🚧 Troubleshooting — Tea Harvester Gearbox Common Issues
Even the best-engineered gearbox may encounter operational issues over its service life. This guide covers the most common symptoms reported with tea harvester gearboxes and provides actionable field solutions.
⚠ 运行过程中振动过大
Likely cause: Worn universal joints in the driveline
What to do: Vibration in a tea harvester 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.
⚠ 动力输出轴传动装置与变速箱连接困难
Likely cause: Rust or debris on the input shaft splines
What to do: Apply penetrating oil to the input splines and allow it to work for 5 minutes. Rotate the PTO driveline slightly while applying light pressure — the splines need to index before engaging. If the driveline yoke is worn, replace it before installation to prevent premature input bearing failure.
⚠ 异常研磨声或啸叫声
Likely cause: Insufficient lubricant or incorrect oil grade
What to do: Check oil level immediately — low oil is the most common cause of gear noise in tea harvester gearboxes. If oil level is correct, the lubricant may have degraded — perform a complete oil change. Persistent noise indicates internal wear requiring professional assessment.
⚠ 变速箱在动力输出轴接合时发出金属撞击声
Likely cause: Loose internal components or retaining hardware
What to do: Check the PTO driveline length — a driveline that is slightly too long will ‘bottom out’ on engagement, creating a sharp metallic sound. Verify all external hardware (mounting bolts, guard brackets, driveline clamps) is secure. If the sound comes from inside the gearbox under load, internal inspection is recommended.
⚠ 变速箱过热
Likely cause: Operating beyond rated horsepower or duty cycle
What to do: Measure housing temperature (normal operating range: 40-80°C depending on ambient temperature). If consistently above 90°C, verify oil volume, clean the housing, and check that the gear ratio produces the correct output speed. An incorrect ratio forces the gearbox to work harder, generating excess heat.
For persistent or complex issues, our engineers provide remote diagnostic support via phone and email. We can also supply rebuild kits for in-workshop repairs. Reach our support team here.
📝 Case Studies — Field Reports: Tea Harvester Gearbox in Australian Operations
Our agricultural gearboxes are field-proven across every Australian state and territory. Below are documented case studies from recent Tea Harvester gearbox installations.
Paul Hutchinson — Port Lincoln, SA
手术: irrigated cropping enterprise | 尺寸: 3500 acres | 使用: Tea Harvester gearbox for tea leaf harvesting
购买理由: Replace failed OEM gearbox to restore tea harvester for the upcoming season
“Installed as a replacement for a gearbox that catastrophically failed mid-season. The MowerGearbox unit was delivered within 7 days and fitted perfectly. We finished the season without further issues. Very impressed.”
📍 Case #3: Hamilton, VIC
| 顾客: | David Thompson — contract harvesting business |
| 地点: | Hamilton, VIC |
| 农场规模: | 3500 acres |
| 应用: | Tea Harvester gearbox for tea harvester — tea leaf harvesting |
| 购买原因: | 新设备制造——指定使用售后市场变速箱作为原厂改进方案 |
“质量堪比欧洲原厂产品,价格却只有一半。加工精细,漆面耐用,齿轮运转明显比之前用的中国产产品顺滑得多。已经推荐给其他三位农民了。”
— David Thompson, Hamilton, VIC
Colin Harper — Bundaberg, QLD
手术: commercial tea leaf harvesting contractor | 尺寸: 1200 acres | 使用: Tea Harvester gearbox for tea leaf harvesting
购买理由: 原装变速箱发生灾难性故障后,赛季中期紧急更换。
“Our tea harvester contractor business depends on zero downtimeduring the season. These gearboxes have given us that reliability. In 2 years of use across 5 machines, we have had exactly zero gearbox-related breakdowns.”
❓ Frequently Asked Questions — Tea Harvester Agricultural Gearbox
Q1: Do you provide technical support after purchase?
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。
Q2: Is the gearbox suitable for use in organic-certified farming operations?
Our gearboxes are mechanical components and contain no substances that would affect organic certification. However, the choice of lubricant should be considered — we can recommend food-grade and biodegradable gear oils that are compatible with organic farming standards in Australia and internationally.
Q3: Will this gearbox fit older-model tea harvester equipment?
We maintain compatibility databases covering tea 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.
Q4: What gear ratios are available for the tea harvester gearbox?
We offer a comprehensive range of ratios from 1:1 through 1:6 to match virtually any tea harvester configuration. Standard catalogue ratios ship within days; custom ratios can be manufactured within 2-3 weeks. Our engineers will recommend the optimal ratio based on your tractor PTO speed and tea leaf harvesting requirements.
Q5: What minimum order is needed for volume pricing?
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 tea harvester manufacturers. Contact our sales team for a formal quotation tailored to your volume requirements.
Q6: How do I determine the correct gearbox model for my equipment?
Provide us with your tractor brand/model and PTO speed, the tea harvester 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.
Q7: Can I return a gearbox if it does not fit my tea 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.
Q8: Which gear oil do you recommend for Australian conditions?
对于澳大利亚大部分气候条件,符合 GL-5 规格的 SAE 80W-90 EP 齿轮油是理想之选。在持续高温的热带地区,我们推荐使用 85W-140 齿轮油。对于冬季寒冷的南部地区,合成 75W-90 齿轮油能提供更好的冷启动保护。请查阅变速箱随附的油品规格卡,以获取最终建议。
Q9: What documentation ships with the gearbox?
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)。
Q10: What payment and ordering options do you offer?
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。
🔧 Complementary Components for Tea Leaf Harvesting Equipment
For optimal performance, pair your Tea Harvester agricultural gearbox with our matching PTO drive shafts and accessories.
⚡ PTO Drive Shaft for Your Tea Harvester

Rugged PTO drive shafts built for tea leaf harvesting demands. Standard, wide-angle, and CV joint options. Telescoping tube with nylon liner. Full guard kit included.
⚙ 全系列农用变速箱

From compact garden equipment drives to heavy-duty combine gearboxes, our catalogue has you covered. Explore the full range on our website.
📜 Regulatory Requirements & Regional Coverage — Tea Harvester
Compliance with Australian safety standards protects your workers and your business. The following standards and regulations apply to Tea Harvester agricultural gearbox installations:
Standards Compliance
| Standard | Relevance |
|---|---|
| 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。 |
| Safe Work Australia PTO Safety Guidelines | All PTO-driven tea harvester equipment must incorporate compliant shaft guarding. Guard-compatible drivelines available. |
State-Level WHS Requirements
- South Australia — WHS Regulations 2012: requires regular inspection of all machinery with rotating drive components.
- Victoria — OHS Regulations 2017: specifies risk assessment requirements for tea leaf harvesting machinery operations.
- Tasmania — WHS Regulations 2012: mandates operator training for all PTO-driven tea harvester equipment.
Serving Every Agricultural Region in Australia
我们送货 Tea Harvester 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, the Wheatbelt, the Ord River district, and the Great Southern, and the Wimmera, the Mallee, and Goulburn Valley. 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.
🚨 Let’s Find Your Perfect Tea Harvester Gearbox

With over two decades of 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: 24/7 production capability for urgent and large-volume orders, annual production capacity exceeding 100,000 gearbox units, in-house metallurgical lab for material verification and hardness testing, and much more.
Standard & Custom — We Build Both
Every tea leaf harvesting operation is different. If you need a gearbox that does not exist in any catalogue, our custom manufacturing service creates it for you. Share your requirements — drawings, sketches, dimensions, or even a photo of the old unit — and we will engineer the solution.
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。