- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com


The Sinotruk Howo A7 Three Part Forged Rear-Bridge House represents a significant advancement in heavy-duty truck axle technology, specifically engineered for the demanding requirements of modern transportation. This robust assembly features a unique three-part forged construction that enhances durability and load-bearing capacity while maintaining precise engineering tolerances.
Engineered with a 1850mm track width and broad brake configuration, this rear-bridge house delivers exceptional stability and braking performance under heavy load conditions. The forged components undergo rigorous quality control processes to ensure consistent material properties and structural integrity throughout the assembly.
The integration of advanced planetary gear systems within the Three Part Forged Rear-Bridge House provides optimal torque distribution and power transmission efficiency. This design minimizes energy loss while maximizing traction in various road conditions, making it ideal for long-haul transportation and heavy cargo applications.
Compatible with SINOTRUK Howo A7 series trucks, this rear-bridge assembly represents the culmination of decades of engineering expertise in commercial vehicle manufacturing. The broad brake design incorporates enhanced cooling capabilities and wear resistance, ensuring reliable stopping power even during extended downhill operations.
| NO. | Part NO. | Description |
|---|---|---|
| 1 | AZ9231340310 | Rear wheel assembly |
| 1.1 | WC9231340399 | Rear wheel hub |
| 1.2 | WC9211340123 | Bolt(rcar) |
| 2 | QIS081018 | Hex bolt |
| 3 | WC9231340002 | Hex plug assembly |
| 4 | WC9231340011 | End plate |
| 5 | WC9012340011 | Pin |
| 6 | AZ9231340329 | Plant gear bracket assemblyt |
| 7 | QZ541025 | Cross axle |
| 8 | J09003330148 | Steel balls 000 G200b GB308 |
| 9 | WC9012340004 | Plant wheel axle |
| 10 | WC9093340163 | Roller bearing |
| 11 | WC9012340075 | Shim |
| 12 | WC9012340077 | Washer |
| 13 | WC9012340122 | Plant wheel(Z=16) |
| 14 | J09003333551 | Retainer |
| 15 | WC889140097 | Washer |
| 16 | WC9012340005 | Sun gear (Z=23) |
| 17 | WC9003884160 | Wheel nut |
| 18 | WC9012340076 | Washer |
| 19 | WC889420027 | Planet bracket retained plate |
| 20 | QISLC1395TF2 | Hex bolt |
| 21 | WC9231340016 | Shim |
| 22 | J09003901704 | Pin |
| 23 | WC9231340233 | half axle |
| 24 | WC9211340224 | Half axle |
| 25 | WC9112340021 | Gear ring bracket assembly |
| 26 | WC9012340121 | Interior tooth ring |
| 27 | WC889420014 | Retainer |
| 28 | WC9981032222 | Roller bearing |
| 29 | WC9012340039 | O-ring |
| 30 | WC9231340921 | Retainer |
| 31 | WC9991340213 | Shaft seal ring |
| 32 | WC9012340020 | Shim |
| 34 | Q15080816 | Hex bolt |
| 35 | WC9231340177 | Block |
| 36 | WC9231340066 | Rear brake drum |
| 37 | AZ9231340072 | Bracket assembly |
| 37.1 | WC9231340171 | Brake |
| 37.2 | WC9231340068 | Brake friction |
| 37.3 | WC9231340069 | RivettGB827-86-25*0 |
| 38 | WC9691341066 | Return spring |
| 39 | WC9811350049 | Return spring |
| 40 | WC9900440077 | Roller |
| 41 | WC9931340226 | Brake camshaft axle |
| 42 | WC9231340227 | Brake camshaft axle |
| 43 | WC880140010 | Shim |
| 44 | WC880140023 | O-ring |
| 45 | WC9100340017 | Shealth |
| 46 | Q15181615T12 | Hex bolt |
| 47 | Q15181615T12 | Hex bolt |
| 48 | AZ9231340957 | ABS sensor bracket |
| 49 | J0900934064 | Pin |
| 50 | Q2530645 | Pin |
| 51 | WC9231340560 | Brake base |
| 52 | J0900933500 | Retainer |
| 53 | WC9231342008 | Brake cover |
| 54 | WC9112340010 | ABS sensor output shealth |
| 55 | Q40908 | Spring washer |
| 56 | WC880840037 | O-ring |
| 57 | Q15080816 | Hex bolt |
| 58 | WC880840031 | Adjust shim(dibclanes as 0.1) |
| 59 | WC8884 | Adjust shim(dibclanes as 0.15) |
| 60 | WC8884J0033 | Adjust shim(dibclanes as 0.4) |
| 61 | WC8884J0034 | Adjust shim(dibclanes as 1.0) |
| 62 | WC3899470031 | Adjust shim |
| 63 | WC3899470032 | Adjust shim |
| 64 | WC5899470033 | Adjust shim |
| 65 | 19901434041 | Bracket |
| 66 | AZ900950030 | Grease assembly |
| 67 | 190009563112 | Grease assembly |
| 68 | AZ900950010 | Grease cover |
| 69 | Q15181490 | Hex bolt |
| 70 | WG9100340056 | Adjust arm assembly |
| 71 | WG9100340057 | Adjust arm assembly |
| 72 | WG880540022 | Washer |
| 73 | WG880520028 | Adjust washer |
| 74 | WG880320029 | Adjust washer |
| 75 | WG880320030 | Adjust washer |
| 76 | WG880320046 | Adjust washer |
| 77 | 190009933116 | Spring retainer |
| 78 | WG88040032 | Pin |
| 79 | WG9231340318 | Retainer |
| 80 | WG9995131005 | Return spring |
Our Three Part Forged Rear-Bridge House stands out through its exceptional manufacturing quality and material selection. Each component undergoes precise forging processes that enhance grain structure and eliminate internal defects, resulting in superior mechanical properties and extended service life compared to conventional cast alternatives.
The innovative three-part forged construction provides significant advantages in maintenance and repair operations. This design allows for easier disassembly and replacement of individual components without requiring complete unit replacement, reducing downtime and operational costs for fleet operators and maintenance facilities.
Engineered specifically for heavy-duty applications, this rear-bridge house delivers unmatched reliability under extreme operating conditions. The broad brake configuration ensures consistent braking performance even during prolonged downhill descents with heavy loads, enhancing both vehicle safety and operational efficiency.
Every Three Part Forged Rear-Bridge House undergoes comprehensive quality assurance testing before shipment. Our commitment to precision engineering and strict adherence to SINOTRUK specifications guarantees optimal compatibility and performance with Howo A7 series trucks, providing peace of mind for operators and fleet managers.
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