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SANY TRUCK Steering knuckle assembly HD95009410051 HD95009410052
Product Functions
1. Controls vehicle steering: Receives thrust from the steering tie rod and rotates around the kingpin, thereby pivoting the front wheels to control the driving direction.
2. Supports the weight of the vehicle's front end: Acts as the terminal load-bearing component of the front axle, supporting the vertical load of the front end and the engine.
3. Withstands braking torque: Serves as the mounting base for the braking system (brake backing plate or caliper) and absorbs immense reactive forces during braking.
4. Maintains driving stability: Establishes front-wheel alignment parameters (camber/toe) through precise casting angles, ensuring the vehicle can self-center and drive straight without drifting.
Components included in the steering knuckle assembly (complete set)
1. Steering knuckle casting/body: A high-strength alloy steel forging that supports the front wheel hub and steering tie rod.
2. Steering knuckle kingpin bushings (2 per side): Typically copper or highly wear-resistant composite bushings designed to interface with the kingpin.
3. Adjustment shims and grease fittings: Used to adjust vertical clearance and facilitate routine grease lubrication.
4. Steering stop bolts and nuts: Used to limit the maximum steering angle of the front wheels.
Related Accessory Information
1. Kingpin: HD95009410045
2. Thrust bearing (flat bearing): HD95009410056 (installed between the steering knuckle and the I-beam; bears the weight of the vehicle's front end)
3. Upper/lower shaft seal: HD95009410055
Sany heavy truck steering joint assembly 500/550 horsepower
HQC4250, HQC4252, HQC4260, HQC4300, HQC4500, HQC5000, HQC6000
HQC42523Q1S09E
HQC42523Q1S12E
440 / 480 horsepower
HQC4252/3Q1Y1/2E
HQC42503Q1Y111
HQC4250THQC42523Q1Z13HQC42503S1S13F
HQC42523Q1X13E
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