FAW J6P Front Axle Assembly: Deconstructing 43 Critical Parts for Flawless Steering Control

This is a complete technical guide to the FAW J6P Front Axle Assembly (Model 3000010-14B) for the FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck. This deconstruction analyzes 43 serviceable parts, from the main axle beam and steering knuckles to the complete drag link and tie rod assemblies.

The FAW J6P Front Axle Assembly is the foundation of the vehicle’s steering and front-end load-bearing capabilities. As a non-driven “I-beam” axle, its primary role is to support the immense weight of the engine and cab, while providing a robust, stable platform for the steering mechanism. In a heavy-duty dump truck, this component is over-engineered to withstand severe shock loads, twisting forces, and constant impacts from off-road environments. This analysis will break down the three core systems: the axle beam and kingpin knuckles, the drag link (steering input), and the tie rod (wheel synchronization). A properly maintained FAW J6P Front Axle Assembly is non-negotiable for steering precision, vehicle safety, and managing tire wear.

Core 1: The “I-Beam & Kingpin” Logic (The Axle Foundation)

This group represents the core structural components of the FAW J6P Front Axle Assembly. It includes the main beam that bears the vehicle’s load and the pivot points for the wheels.

1. Component: ‘Axle’ (3001011-242) – Qty 1
This (Comp 1, sub-part) is the main ‘I-beam’. It is a single, forged piece of high-tensile steel that provides maximum vertical strength with minimal weight. This is the backbone of the entire FAW J6P Front Axle Assembly, connecting the two front leaf springs and supporting the entire front end.

2. Component: ‘Left/Right steering knuckle’ (3001015-14B, 3001022-14B) – Qty 1 each
These (Comp 5 & 6) are the large, C-shaped components that hold the wheel hubs. They attach to the ends of the axle beam via the kingpins, allowing the wheels to pivot for steering. These are critical, high-stress parts of the FAW J6P Front Axle Assembly.

3. Component: Kingpin & Bearing Group (3001044-4E, 3001040-14B-C00)
This (Comp 7, 3) is the Kingpin Logic, the pivot on which the steering knuckle turns. It includes the ‘Main pin-steering knuckle’ (Comp 7) and the ‘Thrust bearing-kingpin’ (Comp 3). This bearing is critical, as it supports the entire vertical load of the truck at the pivot point, allowing for low-friction steering.

4. Component: ‘Shim-front steering knuckle’ (3001041-4E) – Qty As Req.
This (Comp 2) is a set of precision shims in various thicknesses. The Kingpin Pre-load Logic is a vital assembly step. These shims are used to set the precise vertical “play” or pre-load on the kingpin bearings. Incorrect shimming in the FAW J6P Front Axle Assembly will lead to either steering wobble (too loose) or bearing seizure (too tight).

Core 2: The “Drag Link” Logic (Steering Input)

The drag link is the component that transfers the steering wheel’s input (from the steering box pitman arm) to the FAW J6P Front Axle Assembly, initiating the turn.

1. Component: ‘Drag link assy’ (3003050-174) – Qty 1
This (Comp 24) is the complete drag link assembly. It is a non-adjustable rod with ball joints at each end, designed to transmit pushing and pulling forces. This is the primary link between the chassis-mounted steering box and the axle-mounted FAW J6P Front Axle Assembly.

2. Component: ‘Ball stud’ (3003032-1H) & ‘Ball socket’ (3003066-1H)
These (Comp 29, 30) are the serviceable inner components of the drag link ends. The Ball Joint Logic allows the link to move up and down with the suspension while simultaneously pivoting to steer. ‘Ring spring’ (Comp 25) and ‘Cap’ (Comp 32) hold this joint together under tension.

3. Component: ‘Seal’ & ‘Dust Cover’ (3003071-1H, 3003074-4E)
This (Comp 35, 34) is the vital protection system. The ‘Seal’ and ‘Dust cover’ (with its ‘Springs’, Comp 36/37) prevent water, dirt, and grit from entering the ball joint. A failed seal is the number one cause of drag link failure in the FAW J6P Front Axle Assembly, as it allows the grease (CQ70001, Comp 43) to be contaminated.

Core 3: The “Tie Rod” Logic (Wheel Synchronization)

The tie rod is the component that connects the left and right steering knuckles *together*. This ensures that both wheels turn in unison and at the correct angles (Ackermann geometry).

1. Component: ‘Left ball joint assy-drag link’ (3003055-1H) & ‘Connecting rod-drag link’ (3003060-1H)
This (Comp 27, 26) forms the complete tie rod. Unlike the drag link, this assembly is adjustable. The ‘Connecting rod’ (the main tube) has threaded ends, allowing the ‘Left ball joint’ (tie rod end) to be screwed in or out.

2. Component: ‘Hex castle nut’ (CQ38736) & ‘Cotter pin’ (Q5006070)
This (Comp 18, 19) is the Safety Fastener Logic. The ball joint studs on the FAW J6P Front Axle Assembly are secured with castle nuts. A cotter pin is then inserted through the nut and the stud, making it physically impossible for the nut to vibrate loose. This is a non-negotiable safety feature.

3. Component: ‘Hexagon jam nut’ (CQ38722) – Qty 2
This (Comp 41) is the “jam nut” on the tie rod. The Toe Adjustment Logic is performed here. A technician rotates the central connecting rod (Comp 26) to set the ‘toe-in’ or ‘toe-out’ of the front wheels. Once the alignment is perfect, these jam nuts are tightened against the tie rod ends to lock the setting in place. This is the most common alignment procedure for the FAW J6P Front Axle Assembly.

FAW J6P Front Axle Assembly: Complete 43-Part Breakdown

The following table provides the complete, detailed breakdown of all 43 component types in the FAW J6P Front Axle Assembly (3000010-14B) for the FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck. This list is essential for ordering spare parts and performing a complete service of the GoJ6P Front Axle Assembly.

Core Specifications

The specifications for the FAW J6P Front Axle Assembly are defined by its robust I-beam construction and heavy-duty steering linkage, designed for the demanding environment of a 6×4 dump truck. Understanding these specifications is key to ordering the correct FAW J6P Front Axle Assembly parts.