Shandong Huashou Transmission Technology Co., Ltd. is one of the leading manufacturers and suppliers of dozer transmission in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale bulk durable dozer transmission in stock here from our factory. Also, pricelist is available.
Built for Demanding Earthmoving Operations
Any site manager knows bulldozers fight nonstop dust, rock impacts and shifting loads - one unreliable power transfer part can halt your whole workflow and blow the schedule.
Across earthmoving, mining, quarry and infrastructure jobs, your drivetrain lives or dies by how reliably it passes engine power through endless heavy cycles.
That's why our Dozer Transmission assemblies are built for these brutal site conditions. They deliver stable mechanical performance and are designed for hassle-free replacement when your equipment needs it most.
Technical Specifications
| Item | Data |
|---|---|
| Frame sizes | 5 sizes, output flange 120–340 mm |
| Stages | 2 or 3 |
| Ratio range | 3.4:1–45:1 (2-stage), 45:1–1,200:1 (3-stage) |
| Rated output torque | 1,200–45,000 N·m |
| Peak output torque | 2.5 × rated |
| Rated input speed | 1,500 rpm; 3,000 rpm max |
| Efficiency | 96% (2-stage) / 94% (3-stage) |
| Backlash | ≤ 12 arcmin standard, ≤ 8 arcmin on request |
| Housing | GG25 cast iron; ductile iron for shock duty |
| Gears | 20CrMnTi, carburized, HRC 58–62 |
| Bearings | Tapered or spherical roller, C3 clearance |
| Sealing | Double lip seal with grease barrier |
| Protection | IP65 |
| Mounting | Horizontal, vertical, foot or flange |
| Cooling | Natural, fan, or oil cooler for high duty |
| Options | Torque arm, brake flange, backstop, encoder mount |
Product Structure
Power first feeds into the input shaft, then transfers to the gear train for speed and torque adjustment. The integrated planetary gear set generates high torque within a compact footprint. The clutch assembly, regulated by hydraulic control components, enables smooth directional and gear shifts.
Processed torque travels through the output shaft to drive your dozer. The rigid transmission housing holds all these components in precise alignment, guarding internal assemblies against dust and site impacts. Technicians can follow this clear power path quickly for inspection, troubleshooting and part replacement.
Manufacturing Process
Component Selection
We source raw materials tailored to heavy shock loads, filtering out stock unsuitable for long-cycle earthmoving duty.
Precision Processing
Key housing and shaft parts are machined to tight tolerances to maintain consistent fit across all mating surfaces.
Gear Manufacturing
Gears are cut and ground with controlled profiles, lowering wear and keeping torque transfer steady under variable loads.
Component Matching
Each paired part is checked for clearance before assembly, to prevent premature failure from misaligned tolerances.
Assembly Operations
Sub-assemblies are fitted step-by-step with standard torque procedures, keeping internal power paths correctly aligned.
Final Verification
The complete Dozer Transmission runs functional checks to confirm sealing, shifting and load performance prior to shipment.
Wholesale & OEM Service
Product Range Support
Our Dozer Transmission lineup covers multiple models, letting you fill gaps and expand your parts catalog for earthmoving customers.
Wholesale Procurement
We tailor bulk quotations based on your order mix and volume, to fit your inventory planning and budget.
Aftermarket Distribution
We supply steady stock for importers, wholesalers and parts dealers serving the heavy equipment aftermarket.
Long-Term Cooperation
We prioritise repeat orders and stable supply, supporting your ongoing parts business and steady customer fulfilment.
FAQ
Q: Will this Dozer Transmission work as a direct replacement for my existing dozer unit?
A: It depends on your mounting layout and power requirements. Share the nameplate data and shaft specs, and we will confirm interchangeability for you.
Q: Can I mix different internal parts from this transmission with other brands?
A: We don't recommend cross-brand part swapping. Internal clearances and gear profiles differ, which can trigger early wear.
Q: What kind of maintenance routine does this transmission need in dusty quarry sites?
A: Stick to scheduled oil checks and seal inspections. Keep the breather clean to stop grit getting inside the housing.
Q: Do you keep consistent stock for regular aftermarket restock orders?
A: We maintain reserved stock pools for our long-term distribution partners, subject to ongoing order commitments.
Q: What documentation will come with the transmission for my warehouse and service team?
A: You get dimension drawings, torque specs and lubrication guidance, ready for your technicians and inventory records.
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