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Gearbox / Transmission for Sinotruk HOWO
- - Dual countershaft design: strong load capacity, stable power transmission, long service life
- - High torque rating: up to 1900/2100 Nm, ideal for heavy-load & long-haul transport
- - Integrated shift mechanism: clear gear positions, flexible & smooth shifting
- - Forced + splash lubrication: sufficient lubrication, reliable under harsh conditions
- - OEM standard dimensions: perfect fit, direct replacement for original HOWO gearboxes
- - Cast iron / aluminum housing: high strength, good heat dissipation, shock-resistant
- - Multiple PTO options: supports neutral gear power take-off for special vehicles
Product Parameters (Main Model: HW19710)
- Material: High-strength cast iron / aluminum alloy (optional)
- Overall dimensions (L×W×H): 843mm × 520mm × 560mm
- Input shaft diameter: 50mm
- Output flange diameter: 165mm
- Mounting holes: Standard Φ12mm / Φ14mm
- Weight: 355 kg
- Gear oil capacity: 12 L
- Number of gears: 10 forward, 2 reverse
- Max input torque: 1900 Nm (HW19710C: 2100 Nm)
- Rated speed: 2600 RPM
- Shift type: Manual
- Certification: ISO9001
- Color: Black / Gray original
Product Introduction
This HOWO gearbox is a core component of the truck powertrain, adopting advanced dual countershaft + planetary auxiliary gearbox structure for exceptional reliability and durability . Precision-forged gears and strict heat treatment ensure high wear resistance and low noise. The combined lubrication system adapts to mountain, construction, and long-distance highway conditions . It is engineered for Sinotruk HOWO heavy-duty trucks, delivering stable power output and efficient transmission for heavy loads.
Applicable Models
- Sinotruk HOWO: 336, 371, 380, 420 HP
- HOWO A7, T7H, TX, N5G, N7G, Hohan
- Sitrak C5H, C7H
- All 6×4, 8×4 tractors, dump trucks, cargo trucks, concrete mixers
Common OEM Numbers
HW19710, HW19710C, HW15710, HW13710, HW10710,
HW95508ST, HW11708ST,
WG9725100001, WG9725100002,
HW19710100625, HW19710090610
