T: +8615609213525
E: 15829336298@139.com
E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
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812W35701-0155
Sinotruk HOWO
| Attribute | Specification |
|---|---|
| Official Name | Disc Brake Rear Wheel Hub Assembly |
| Common Names | Rear Hub Unit, Disc Brake Hub, MCY13 Axle Hub |
| OEM Brand | SINOTRUK (China National Heavy Duty Truck Group) |
| Part Number | 812W35701-0155 |
| Axle Type Compatibility | MCY13 Series Single-Stage Reduction Drive Axle (13-ton class) |
| Brake System | Designed exclusively for disc brake (disk brake) applications; not compatible with drum brakes |
| Material | High-strength ductile cast iron using MAN-approved casting and heat treatment processes |
| Weight | Approx. 35.0 kg – 42.0 kg (varies depending on bearing inclusion and configuration) |
| Bearing Compatibility | Matches FAG / SKF / ZWZ conical roller bearings (tapered roller bearing sets) |
| Mounting Features | - Precision-machined flange for brake disc attachment - Radial bolt holes for dual-rim tires (compatible with M22 studs like 99012340123) - Sealed oil cavity for internal lubrication |
| Surface Finish | Natural metal finish or coated with anti-corrosion black/silver paint |
| Design Philosophy | Lightweight, high rigidity, optimized cooling channels |
| Origin | Jinan, Shandong Province, China |
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Confirm correct model: Use SINOTRUK EPC system to verify compatibility with your VIN/chassis.
Inspect new hub: Check for cracks, damaged threads, deformed mounting faces, or worn seal grooves.
Clean all mating surfaces: Remove rust, dirt, old gasket residue, and debris.
Verify bearing condition: Ensure fresh bearings are pre-lubricated and undamaged.
Install Bearings Onto Spindle:
Press inner and outer tapered bearings onto axle shaft using proper tools.
Apply recommended grease (e.g., lithium-based No. 2).
Mount Hub Assembly (812W35701-0155):
Slide over spindle until seated against inner bearing.
Do not force or hammer.
Adjust Bearing Preload:
Install washer and locknut.
Tighten while rotating hub to eliminate play.
Back off slightly and re-tighten to achieve zero lash + 0.05–0.1 mm preload (per service manual).
Install Oil Seal:
Press into housing carefully without damaging lip.
Attach Brake Disc:
Mount rotor onto precision face; torque bolts evenly.
Final Torque Check:
Recheck nut tightness after first 500 km when temperature stabilizes.
