Product Overview

• Product Name: 7.5 Ton Front Axle King Pin Repair Kit
  Part Number: XLB-75T (Alternative / Upgraded: XLB-75T-A)
  Description:
  The XLB-75T is a heavy-duty steering knuckle king pin repair kit designed for Chinese heavy commercial vehicles equipped with a 7.5-ton front steer axle. This comprehensive kit includes high-precision king pins, durable bi-metal composite bushings, thrust bearings, and premium oil seals. It is engineered to restore precise steering geometry, eliminate front-wheel wobble, and prevent uneven tire wear, ensuring ultimate driving safety under heavy payloads. 

Appliions

Product Features

• • Premium Material & Hardness: The kingpin is forged from high-strength 20CrMnTi alloy steel and undergoes advanced carburizing, quenching, and induction hardening to achieve maximum wear resistance and core toughness.
  • High-Load Bushings: Equipped with advanced bi-metal copper-steel or polymer composite bushings, providing excellent self-lubriion and resistance to heavy impacts.
  • Precise Steering Geometry: Restores factory-spec clearance between the steering knuckle and axle beam, eliminating heavy steering, front-end shaking, and steering play.
  • Excellent Sealing Performance: Features high-durability rubber and metal oil seals to effectively keep out road dust, mud, and water, extending the grease lubriion lifecycle.

Maintenance

When a vehicle's front axle kingpin shows play and requires replacement of the XLB-75T repair kit, it is usually accompanied by wear on the following chassis steering and braking components, which should be checked or replaced simultaneously:

-Steering Knuckle: Left and right steering knuckles, which house the kingpin.

-Front Wheel Hub Bearings: Inner and outer tapered roller bearings for the 7.5T axle.

-Tie Rod Assembly & Tie Rod Ends: Critical for restoring complete steering alignment.

-Front Brake Shoes & Lining: Often replaced together during front-end overhaul.

-Front/Rear wheel hub bolts and nuts.