Shandong Huashou Transmission Technology Co., Ltd. is one of the leading manufacturers and suppliers of bulldozer gearbox in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale bulk durable bulldozer gearbox in stock here from our factory. Also, pricelist is available.
Products Description
The 320HP bulldozer gearbox is purpose-engineered to withstand relentless, heavy-duty workloads for long-term bulldozer operation. As the core power transmission component for construction machinery, this 320HP Dozer Drive Gear Box adopts a premium planetary gear power shift structure with 3 forward and 3 reverse gears. It perfectly combines advanced hydraulic shifting technology and mature mechanical control principles, ensuring smooth shifting, stable power output and exceptional durability in harsh construction environments.
Boasts precise and professional performance specifications, the gearbox delivers reliable power transmission for 320HP bulldozer gearbox.
Technical parameters
|
Technical Item |
Specification |
|
Product Name |
320HP bulldozer gearbox |
|
Rated Input Power |
239 kW |
|
Max Input Rotational Speed |
2000 r/min |
|
Max Input Torque |
3982 N·m |
|
Forward Gear Ratio (Ⅰ/Ⅱ/Ⅲ) |
2.86 / 1.52 / 0.83 |
|
Reverse Gear Ratio (Ⅰ/Ⅱ/Ⅲ) |
2.36 / 1.25 / 0.68 |
|
Main Oil Circuit Pressure |
2.1–2.5 MPa |
|
Pressure Reducing Valve Pressure |
1.2–1.5 MPa |
|
Lubricating Oil Pressure |
0.05–0.15 MPa |
|
Applicable Oil Type |
No.6 / No.8 Hydraulic Transmission Oil |
|
Product Weight |
882kg |
|
Overall Dimension |
654*855*870 |
Our company is fully dedicated to the specialized R&D, precision machining and mass production of complete heavy machinery transmission systems. We regard technological innovation and consistent superior quality as our unshakable core development principles.
We adopt a streamlined direct sales model, cutting out all third-party distributors and multi-level resale channels. A full range of key transmission components independently developed and manufactured in-house - including gear transmissions, hydraulic torque converters, transfer cases and heavy-duty final drives - are supplied directly to major construction machinery OEMs without extra circulation links.

This direct supply chain structure effectively eliminates unnecessary intermediate operating costs for both ourselves and our partners.
Furthermore, it enables seamless real-time communication. We can promptly gather first-hand operational feedback from clients, leveraging these valuable insights to drive ongoing technical improvements and comprehensive product upgrades.
Supported by abundant in-house R&D resources and a rigorous multi-dimensional quality inspection system covering the entire production process, our robust and long-lasting transmission components are widely fitted on flagship bulldozer product lines of well-established mainstream brands such as XCMG, Zoomlion, Liugong and Haitui.
Within this specialized transmission segment, we hold an average market share of 90%. Backed by unmatched market advantages, we stand as the leading supplier in the industry.





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