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


The Sinotruk Howo A7 The First Axle Of The Doule Front Axle represents a sophisticated engineering solution designed specifically for heavy-duty truck applications requiring dual front axle configurations. This specialized component serves as the primary load-bearing structure in multi-axle setups, providing exceptional stability and weight distribution capabilities for challenging transportation tasks.
Engineered with HR9 specifications and featuring a short axle distance design, this first axle assembly optimizes vehicle maneuverability while maintaining robust structural integrity. The configuration without ABS simplifies maintenance requirements while the integrated cover provides essential protection against environmental contaminants and debris during off-road operations and harsh working conditions.
This dual front axle system incorporates precision-machined steering knuckles, heavy-duty wheel hubs, and reinforced connection components that work in harmony to distribute loads effectively across both axles. The short distance between axles enhances vehicle stability during cornering and improves overall handling characteristics, making it ideal for construction sites, mining operations, and other demanding environments.
Compatible exclusively with SINOTRUK Howo A7 series trucks, this first axle assembly undergoes rigorous quality control procedures to ensure reliable performance under extreme conditions. The protective cover design prevents contamination of critical components while facilitating easier inspection and maintenance procedures, extending the operational lifespan of the entire axle system.
| NO. | Part NO. | Description |
|---|---|---|
| 1 | AZ9100413007 | Front axle |
| 2 | AZ9100413045 | Pin |
| 3 | AZ9100411005 | Limit screw |
| 4 | Q40314 | Spring washer |
| 5 | Q340814T13F2 | I shape her nut |
| 6 | WG9700411049 | Thrusting bearing |
| 7 | WG9700411049/1 | Thrusting roller bearing |
| 11 | WG910041105X1 | Shealth |
| 13 | AZ9100413055 | Retainer |
| 14 | WG9100411055 | Shealth |
| 15 | WG910041105X1 | Shealth |
| 19 | WG910041105X1 | Shealth |
| 21 | AZ9100413055 | Retainer |
| 22 | WG910041105X1 | Shealth |
| 23 | WG910041105X1 | Shealth |
| 24 | WG9100410060 | Shealth |
| 25 | WG910041006011 | Shealth |
| 26 | Q43070 | Retainer |
| 27 | AZ9100413070 | Cover |
| 28 | AZ9100411097 | Cover |
| 29 | Q43055 | Retainer |
| 30 | WG9100413094 | Connect plate |
| 31 | WG9100413094/1 | Connect plate |
| 32 | Q15182045TF2 | Hex bolt |
| 33 | AZ9100413010 | Wheel assembly |
| 37 | WG9100410212/1 | Bolt |
| 38 | Q15181097TF2 | Hex bolt |
| 43 | J99000410059 | Seal ring ask graph |
| 44 | J99100410073 | Seal ring accept graph |
| 45 | WG9003974587 | Shaft seal ring |
| 46 | WG9003974587/1 | Seal ring |
| 47 | WG9100410062 | Shim |
| 48 | WG9100410062/1 | Shim |
| 49 | AZQ10041140 | Locking nut |
| 50 | QS006370 | Cotter |
| 53 | QIS080816 | Hex bolt |
| 54 | Q40308 | Spring washer |
| 55 | AZ9719411021 | Rotate arm |
| 56 | QIS181850TE2 | Hex bolt |
| 57 | WG09035841607 | Wheel nut |
| 58 | AZ9719413005 | Wheel nut |
| 59 | AZ9719413004 | Rotate level arm |
| 60 | AZ9719413005 | Rotate level arm |
| 61 | AZ970413008 | Hex bolt |
| 62 | Q361B24113F2 | 2 type hex nut(line thread) |
| 63 | AZ9003963004 | Grease assembly |
| 64 | AZ9003963010 | Grease cover |
| 65 | Q701870 | Grease assembly |
| 66 | WG880410059 | Adjust screw |
| 67 | WG88041005971 | Adjust screw |
| 68 | Q351B14115 | Hexagonal thin nut |
| 69 | WG22971585 | Sign |
| 70 | WG22971585J1 | Sign |
| 71 | AZ9100413011 | Washer |
| 72 | AZ9100413012 | Washer |
| 73 | AZ9100413013 | Washer |
| 74 | AZ9100413014 | Washer |
| 75 | AZ9100413015 | Washer |
| 76 | AZ9100413016 | Washer |
| 77 | AZ9100413017 | Washer |
| 78 | AZ9100413018 | Washer |
| 79 | AZ9100413019 | Washer |
| 80 | AZ9100413020 | Washer |
| 81 | AZ9100413021 | Washer |
| 82 | AZ9100413022 | Washer |
| 83 | AZ9100413033 | Washer |
| 84 | AZ9100413044 | Washer |
| 85 | WG9100413052 | Protect housing |
| 86 | WG9100413052/1 | Protect housing |
| 87 | WG9100413053 | Protect housing |
| 88 | WG9100413053/1 | Protect housing |
| 89 | QJ5081025 | Hex bolt |
| 90 | AZ9100413066 | Turn joint assembly |
| 91 | AZ9100413067 | Rotate joint |
| 92 | WG9100413058 | Sleadth |
| 93 | AZ9100413069 | Retainer |
| 94 | AZ9100413067 | Turn joint assembly |
| 95 | AZ9100413063 | Rotate joint |
| 96 | WG9100413054 | Sleadth |
| 97 | AZ9100413065 | Retainer |
| 98 | AZ9100413066 | Front wheel assembly |
| 99 | AZ9100413065 | Front wheel hub |
| 100 | WG9100410212 | Bolt |
| 101 | WG9100410314 | Roller bearing |
| 102 | WG9100410314/1 | Roller bearing |
| 103 | WG9100410311 | Roller bearing |
| 104 | WG9100410311/1 | Roller bearing |
| 105 | WG9100413068 | End plate |
| 106 | WG9100413068/1 | End plate |
Our Sinotruk Howo A7 The First Axle Of The Doule Front Axle delivers exceptional performance through its specialized HR9 specification design, optimized for heavy-duty applications requiring dual front axle configurations. The short axle distance engineering provides superior maneuverability in tight spaces while maintaining the load-bearing capacity necessary for demanding transportation tasks across various industries.
The simplified design without ABS reduces complexity and maintenance requirements while maintaining reliable braking performance. This configuration proves particularly advantageous in remote locations where sophisticated electronic systems may face challenges, ensuring consistent operation even in the most demanding environmental conditions and reducing potential points of failure.
Integrated protective covers provide essential defense against environmental contaminants, moisture, and debris that can compromise axle performance. This feature significantly extends component lifespan by preventing premature wear and corrosion, reducing maintenance frequency and associated operational costs while ensuring reliable performance throughout the axle’s service life.
Manufactured to exact SINOTRUK specifications and supported by comprehensive quality assurance protocols, our dual front axle components guarantee perfect compatibility with Howo A7 series trucks. The robust construction and precision engineering ensure optimal performance alignment with vehicle dynamics, providing fleet operators with confidence in reliability and long-term operational efficiency.
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