Sinotruk Howo 7 Axle Gearing- Durable OEM Gears for Efficient Power Transfer.
Sinotruk Howo 7 Axle Housing Assembly
Sinotruk Howo 7 Axle Housing Assembly
2025-11-08
Sinotruk Howo 7 Main Reducer Housing Assembly (Intermediate Axle)
Sinotruk Howo 7 Main Reducer Housing Assembly (Intermediate Axle)
2025-11-08

Sinotruk Howo 7 Axle Gearing

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The Sinotruk Howo 7 Axle Gearing represents the pinnacle of engineering excellence in heavy-duty truck components. As a critical component in the powertrain system, this axle gearing ensures optimal power transmission and durability under the most demanding conditions. When it comes to reliable Sinotruk Howo parts, this axle gearing system stands out for its precision engineering and robust construction. Designed specifically for the Sinotruk Howo 7 series, this component delivers exceptional performance and longevity, making it the preferred choice for fleet operators and individual truck owners worldwide.

Sinotruk Howo 7 Axle Gearing

Sinotruk Howo 7 Axle Gearing

What is the Sinotruk Howo 7 Axle Gearing?

The Sinotruk Howo 7 Axle Gearing is a sophisticated power transmission system specifically engineered for the Howo 7 series heavy-duty trucks. This critical component serves as the backbone of the vehicle’s drivetrain, responsible for transferring engine power to the wheels while maintaining optimal torque distribution. The Sinotruk Howo 7 Axle Gearing system incorporates advanced engineering principles to ensure smooth power delivery and exceptional durability under heavy load conditions.

This precision-engineered assembly features a robust differential case, high-strength cross shafts, and durable planetary gears that work in harmony to provide reliable performance. The Sinotruk Howo 7 Axle Gearing is designed to withstand the rigorous demands of commercial transportation, offering superior load-bearing capacity and extended service life. Its innovative design minimizes power loss while maximizing efficiency.

The component integrates multiple specialized parts including tapered roller bearings, adjusting nuts, and precision gaskets that ensure optimal alignment and minimal friction. Each element within the Sinotruk Howo 7 Axle Gearing system is manufactured to exacting standards using high-grade materials that resist wear and tear. The system’s construction allows for efficient heat dissipation and reliable operation even in extreme temperature conditions.

Compatibility with the Sinotruk Howo 7 chassis makes this axle gearing system an ideal replacement part that maintains original equipment performance standards. The design incorporates safety features and maintenance-friendly aspects that reduce downtime and operational costs. Regular maintenance of the Sinotruk Howo 7 Axle Gearing ensures consistent performance and prevents unexpected failures during operation.

Product Parameters of Sinotruk Howo 7 Axle Gearing

Number Material Encoding Name Quantity
1 AZ7121320120 Main reducer housing assembly (Intermediate axle) 1
2 AZ5231320272 Differential case 1
3 AZ9231302150 Cross shaft 1
4 WG9231320151 Shaft gear 2
6 AZ9231320152 Differential planetary gear 4
8 WG9231320153 Planetary gear gasket 4
7 WG9231320154 Adjusting gasket 1
7 WG9231320155 Planetary gasket 1
7 WG9231320156 Adjusting gasket 1
7 WG9231320157 Adjusting gasket 1
8 WG9231320158 Batch loading 1
9 WG9231320160 Batching snap ring 4
10 AZ9114320251 Bevel gear pair 28 / 17 1
11 ZD151615557E2 Hexagon head bolt M10’1.5’35 18
12 AZ9114320051 Shot plate 1
13 AZ9231320169 Hexagon head bolt 8
14 WG900323216 Tapered roller bearing S2210 2
15 T3509320159 Differential bearing adjusting nut 2
16 T300032007 Holding gasket 2
17 ZD15060516 Hexagon head bolt M8 2
18 AZ9231320299 Bridge box 1
20 AZ9231320260 Bridge box cover 1
21 W0003962975 Bowl-shaped plug 1
21 W0004330175 End cover 1
22 AZ9114320178 Oil receiving plate assembly 1
23 T00003519528 Double stud 14
24 U120122575 Shot bolt 4
25 ZU120105255 Double stud 18
26 ZD15061025 Hexagon head bolt M10 8
27 ZD15061020 Hexagon head bolt M10 8
28 Z0340812 Hope hexagon nut 18
29 Z0340810 Hexagon nut of type 1 M10’1.5 18
30 Z0340810 Hexagon nut of type 1 M10’1.5 18
31 Q40312 Spring washer 18
32 Q6311015 Cylindrical pin 4
33 AZ77132000001 Driving cylindrical gear (Z=28) 1
34 AZ712132000002 Driver cylindrical gear (Z=28) 1
35 WG9014320257 Roller bearing 1
36 WG9014320256 Round wire snap ring 1
37 WG4065415515 Tapered roller bearing S0211 2
38 WG9000336312 G312 radial ball bearing with snap ring groove 2
39 WG9000336019 Deep groove ball bearing with dust cover 010 – Z 1
40 WG9014320174 Grease baffle 1
41 WG9014320140 Distance piece 1
76 199014320076 Differential lock swing arm assembly 1
77 12700 320037 Liner bushing 1
78 AZ9231320038 O-ring seal 1
79 1288 730062 O-ring seal 1
80 190009333072 Elastic circlip for shaft 1
81 190009902070 Slotted long round column end fastening bolt — Screw GB75 M8*202N 1
82 Q340B08 Hexagon nut type 1 1
83 Q284B1045 Hexagon socket flat-end set screw 1
84 WG69000330008 Pin 1
85 Q43705 Round wire snap ring for shaft 1
86 WG9231320262 Bracket assembly 1
87 ZQ150B0818 Hexagon head bolt M8 2
88 Q40308 Spring washer 2
89 Q40308 Spring washer 2
90 WG61000060072 Spacer bushing 1
91 Q401B08 Flat washer 1
92 Q33208 Type 2 all-metal hexagonal lock nut 1
93 WG9231320026 Axle sealing ring 1
94 WG9231328772 Axle sealing ring 1
94 190007991779 No.106 molybdenum disulfide (MO) 7

Why Choose Our Sinotruk Howo 7 Axle Gearing?

Precision Engineering

Our Sinotruk Howo 7 Axle Gearing is manufactured with exceptional precision using advanced CNC machinery and strict quality control processes. Each component undergoes rigorous testing to ensure perfect dimensional accuracy and optimal performance. The precision engineering guarantees seamless integration with your Sinotruk Howo 7 vehicle, maintaining original equipment specifications and performance standards. This attention to detail results in smoother operation, reduced vibration, and extended component life.

Durability & Reliability

Built to withstand the most demanding operating conditions, our Sinotruk Howo 7 Axle Gearing features premium materials and heat treatment processes that enhance strength and wear resistance. The robust construction ensures reliable performance under heavy loads and extreme temperatures. Critical components like the differential case and planetary gears are engineered for maximum durability, reducing the risk of premature failure and minimizing maintenance requirements. This reliability translates to reduced downtime and increased operational efficiency.

Performance Optimization

The Sinotruk Howo 7 Axle Gearing is designed to optimize power transmission efficiency and vehicle performance. Advanced gear tooth profiles and precision bearings minimize friction and power loss, resulting in improved fuel economy and enhanced driving dynamics. The optimized design ensures balanced torque distribution across all wheels, providing superior traction and stability in various road conditions. This performance optimization contributes to overall vehicle efficiency and reduced operating costs over the long term.

Quality Assurance

Every Sinotruk Howo 7 Axle Gearing undergoes comprehensive quality assurance testing before leaving our facility. Our multi-stage inspection process includes material certification, dimensional verification, and functional testing to ensure compliance with original equipment standards. We maintain detailed quality records and provide certification documentation with each unit. This commitment to quality assurance gives you confidence in the performance and longevity of your investment, backed by our reputation for excellence in heavy-duty truck components.

Application

Specifically designed for Sinotruk Howo 7 series heavy-duty trucks, suitable for various transportation applications including logistics, construction, and mining operations.

Installation

Professional installation recommended to ensure optimal performance and warranty compliance. Compatible with standard Sinotruk Howo 7 axle assemblies.

Warranty

Comprehensive warranty coverage provided with all Sinotruk Howo 7 Axle Gearing units, ensuring peace of mind and protection for your investment.

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