Shandong Shengyue Technology Development Co.,Ltd is one of the most professional sinotruk howo mainshaft assemblies & countershaft assemblies manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SINOTRUK HOWO Mainshaft Assemblies & Countershaft Assemblies
Mainshaft Assemblies
| Part Number | Net Weight (NW) | Individual Packaging Dimensions (L × W × H) | Core Technical Specifications & Application Details |
|---|---|---|---|
| AZ2203040101 | 45.00 kg | 85.00 × 24.00 × 24.00 cm | Standard 10-speed mainshaft configured for core HW19710/HW18709 tractor and tipper models. |
| AZ2203040405 | 45.00 kg | 86.00 × 24.00 × 24.00 cm | Optimized variant used across updated SINOTRUK HW series heavy-duty gearboxes. |
| AZ2203040406 | 45.00 kg | 85.50 × 24.00 × 24.00 cm | Reinforced mainshaft revision providing superior torque management under severe regional cargo operations. |
| AZ2203040011 | 45.00 kg | 84.50 × 24.00 × 23.50 cm | Baseline mainshaft layout matched with mid-range haulage and regional rigid trucks. |
| AZ2203040001 | 45.00 kg | 84.00 × 24.00 × 23.50 cm | Classic early-generation HW10-speed gearbox mainshaft architecture. |
| AZ2203040415 | 45.00 kg | 88.00 × 25.00 × 25.00 cm | Dedicated long-shaft configuration for high-torque 12-speed and 16-speed transmissions. |
| AZ2203040416 | 45.00 kg | 88.00 × 25.00 × 25.00 cm | Specialized mainshaft build managed within robust vocational vocational multi-gear systems. |
| AZ2203040012 | 45.00 kg | 85.00 × 24.00 × 24.00 cm | Standard operational revision compatible across regular platform drivelines. |
Countershaft Assemblies - Left & Right
| Part Number | Side | Net Weight (NW) | Individual Packaging Dimensions (L × W × H) | Technical Specifications & Application Details |
|---|---|---|---|---|
| AZ2203030101 | Left | 28.00 kg | 65.00 × 18.00 × 18.00 cm | Standard Left-Side dual-countershaft structure matched for HW19710 gearboxes. |
| AZ2203030209 | Left | 28.00 kg | 66.00 × 18.50 × 18.50 cm | Upgraded left-side shaft system managing specific high-load step ratios. |
| AZ2203030211 | Left | 28.00 kg | 68.00 × 19.00 × 19.00 cm | Extended multi-gear left countershaft for SINOTRUK 12-speed platforms. |
| AZ2203030303 | Left | 28.00 kg | 66.50 × 18.50 × 18.50 cm | Dedicated left operational countershaft engineered for vocational construction dumpers. |
| AZ2203030102 | Right | 28.00 kg | 65.00 × 18.00 × 18.00 cm | Standard Right-Side mirror helical countershaft corresponding to AZ2203030101. |
| AZ2203030210 | Right | 28.00 kg | 66.00 × 18.50 × 18.50 cm | Upgraded right-side shaft matching twin-countershaft timing requirements. |
| AZ2203030212 | Right | 28.00 kg | 68.00 × 19.00 × 19.00 cm | Extended multi-gear right countershaft paired with AZ2203030211 for 12-speed systems. |
| AZ2203030304 | Right | 28.00 kg | 66.50 × 18.50 × 18.50 cm | Dedicated right-side countershaft assembly for heavy mining or tipper duties. |
| AZ2203030002 | Right | 28.00 kg | 64.00 × 18.00 × 18.00 cm | Classic baseline right-side countershaft revision for early HW transmissions. |
| AZ2203030220 | Right | 28.00 kg | 66.00 × 18.50 × 18.50 cm | Specialized Right-Side / Overdrive (OD) countershaft with inverted ratio gears. |
| AZ2203030221 | Right | 28.00 kg | 66.00 × 18.50 × 18.50 cm | Advanced Right-Side / Overdrive (OD) variant for fleet logistics eco-fuel models. |
| AZ2203030308 | Right | 28.00 kg | 65.50 × 18.50 × 18.50 cm | Alternative technical revision right-side countershaft for heavy hauling. |
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