The first axle of the doule front axle is the primary load‑bearing beam that supports the front suspension and steering system on the HOWO A7 8X4 heavy truck. This forged I‑beam axle is engineered to withstand extreme vertical and lateral forces encountered during heavy haulage, off‑road operation, and severe braking.
The first axle of the doule front axle provides precise wheel alignment, reduces tyre wear, and ensures stable handling characteristics essential for safe and efficient commercial transport. Every component of the first axle of the doule front axle is built to deliver maximum durability and steering precision.
At howo Parts, we supply a complete first axle of the doule front axle assembly that includes every critical component: Front axle, Pin, Limit screw, Spring washer, Thrusting bearing, Thrusting roller bearing, Shealth, Retainer, Cover, Wheel hub assembly (ABS), Wheel bolt, Steering knuckle lock nut, Cotter pin, Hex bolt, Steering tie rod arm (left), Type 2 hex nut (fine thread),
Grease nipple assembly, Elbow grease nipple, Adjusting screw, Hexagon thin nut, Shaft, Steering knuckle assembly (left), Steering knuckle (left), Steering knuckle assembly (right), Steering knuckle (right), Front wheel hub, Tapered roller bearing, and Hub end cover.
Each part of this first axle of the doule front axle is manufactured to original equipment specifications, using premium forged steel and precision machining processes. The quality of the first axle of the doule front axle is unmatched in the aftermarket.
This first axle of the doule front axle simplifies replacement by providing a ready‑to‑install assembly with the correct kingpin inclination, camber, and caster angles pre‑set. With correct installation and regular inspection, the first axle of the doule front axle delivers consistent steering response, reduces suspension wear, and extends tyre life. Trust our first axle of the doule front axle to keep your HOWO A7 8X4 steering precisely and safely for millions of kilometres. Choosing the right first axle of the doule front axle is essential for vehicle safety and performance.
Front axle is the main forged steel beam that connects the two front wheel hubs and supports the weight of the engine and cab. It is precisely machined to provide correct kingpin inclination and camber angles for optimal tyre contact and steering stability, making it the core of the first axle of the doule front axle.
Pin is the kingpin that pivots the steering knuckle on the axle beam. It is hardened and ground to ensure smooth steering movement and precise alignment, and is secured with a limit screw to prevent vertical movement within the first axle of the doule front axle.
Limit screw is a threaded fastener that locks the kingpin in its vertical position, preventing it from working loose. It also acts as a stop to limit the maximum steering angle, protecting the suspension and steering components of the first axle of the doule front axle from over‑travel.
Spring washer is a split‑ring locking device that prevents bolts and nuts from loosening under vibration. It maintains clamping force and ensures joint integrity in the first axle of the doule front axle assembly.
Thrusting bearing is a roller bearing that supports axial loads between the steering knuckle and the axle beam. It ensures smooth steering operation and reduces friction during turning, a key function in the first axle of the doule front axle.
Thrusting roller bearing is a heavy‑duty tapered roller bearing designed to handle high axial thrust loads. It provides superior durability and precise steering response in demanding applications, enhancing the first axle of the doule front axle.
Shealth is a bushing or sleeve that supports the kingpin or other rotating shafts, reducing friction and wear. It is made from wear‑resistant material and provides a low‑friction interface for moving parts of the first axle of the doule front axle.
Retainer is a snap ring or circlip that secures components in their axial positions, preventing unwanted movement. It is essential for maintaining correct alignment of bearings and shafts in the first axle of the doule front axle.
Cover is a protective plate that seals the ends of the axle or steering components, keeping out dirt and moisture. It also retains lubricant and protects internal parts from damage, contributing to the longevity of the first axle of the doule front axle.
Wheel hub assembly (ABS) is the complete hub unit that incorporates the wheel bearings, ABS sensor ring, and mounting flange. It provides a reliable and precise mounting for the wheel and brake disc, an integral part of the first axle of the doule front axle.
Wheel bolt is a high‑strength stud that secures the wheel to the hub. It is designed to withstand the high shear and tensile loads experienced during cornering and braking, ensuring safety of the first axle of the doule front axle.
Steering knuckle lock nut is a prevailing‑torque nut that secures the kingpin or steering arm. It provides a reliable locking action to prevent loosening under vibration, critical for the first axle of the doule front axle.
Cotter pin is a split pin used to secure castle nuts and prevent them from rotating. It is a simple but critical safety device that ensures fasteners remain locked on the first axle of the doule front axle.
Hex bolt is a standard metric fastener with a hexagonal head, used throughout the axle assembly for securing covers, brackets, and other components. Its design allows accurate torque application in the first axle of the doule front axle.
Steering tie rod arm (left) is the left‑hand lever that connects the steering tie rod to the steering knuckle. It transfers steering input to the wheel for accurate directional control, a key function of the first axle of the doule front axle.
Type 2 hex nut (fine thread) is a high‑strength nut with a fine pitch thread, providing superior clamping force and resistance to loosening. It is used in critical joints where vibration is severe on the first axle of the doule front axle.
Grease nipple assembly is a fitting that allows lubrication of pivot points and bearings. It is designed for easy connection to a grease gun, ensuring proper maintenance of the first axle of the doule front axle.
Elbow grease nipple is an angled lubrication fitting that provides access to hard‑to‑reach grease points. Its 90‑degree design simplifies maintenance in confined spaces of the first axle of the doule front axle.
Adjusting screw is a threaded bolt used to set the correct bearing preload or steering gear backlash. It allows fine adjustment of critical clearances in the first axle of the doule front axle.
Hexagon thin nut is a low‑profile nut used in tight clearance areas. It provides a secure fastening while reducing overall assembly height on the first axle of the doule front axle.
Shaft is a cylindrical component that transmits torque or supports rotating elements. It is hardened and ground for durability and precision fit within the first axle of the doule front axle.
Steering knuckle assembly (left) is the complete left‑hand steering knuckle unit, including the spindle, bearing surfaces, and mounting points. It is the key steering component for the left front wheel of the first axle of the doule front axle.
Steering knuckle (left) is the forged left‑hand knuckle that carries the wheel hub and pivots on the kingpin. It is machined to precise specifications for accurate steering geometry of the first axle of the doule front axle.
Steering knuckle assembly (right) is the complete right‑hand steering knuckle unit, mirroring the left side. It ensures symmetrical steering performance and even tyre wear on the first axle of the doule front axle.
Steering knuckle (right) is the forged right‑hand knuckle that holds the right wheel hub. It is identical in design to the left side but inverted for proper orientation on the first axle of the doule front axle.
Front wheel hub is the central casting that supports the front wheel bearings and provides the mounting flange for the wheel and brake disc. It is precision‑machined for concentric rotation and is a vital part of the first axle of the doule front axle.
Tapered roller bearing is a high‑capacity bearing that handles combined radial and thrust loads. It is used in the wheel hub and steering knuckle to ensure smooth, durable operation of the first axle of the doule front axle.
Hub end cover is a protective cap that seals the outer end of the wheel hub, retaining grease and preventing contamination. It is easily removable for inspection and lubrication of the first axle of the doule front axle.
| Part NO. | Description |
|---|---|
| A29100413007 | Front axle |
| A29100413045 | Pin |
| A29100411005 | Limit screw |
| Q40314 | Spring washer |
| WG9700411049 | Thrusting bearing |
| WG9700411049/1 | Thrusting roller bearing |
| WG9100411035 | Shealth |
| A29100413035 | Retainer |
| WG9100410060 | Shealth |
| Q43070 | Retainer |
| A29100413070 | Cover |
| A29100411007 | Cover |
| Q43055 | Shealth |
| WG9100413004 | Shealth |
| A29100413010 | Wheel hub assembly (ABS) |
| WG91004100212/1 | Wheel bolt |
| A7Q100411140 | Steering knuckle lock nut |
| Q5006370 | Cotter pin |
| Q150B0816 | Hex bolt |
| Q151B1850TF2 | Hex bolt |
| WG9003884160 | Wheel nut |
| A2919413003 | Steering tie rod arm (left) |
| Q361B24T13F2 | Type 2 hex nut (fine thread) |
| A29003963004 | Grease nipple assembly |
| Q701870 | Elbow grease nipple |
| A2910413013 | Adjusting screw |
| A2910413015 | Hexagon thin nut |
| A2910413016 | Shaft |
| A2910413017 | Shaft |
| A2910413018 | Shaft |
| A2910413019 | Shaft |
| A2910413021 | Steering knuckle assembly (left) |
| A2910413022 | Steering knuckle (left) |
| A2910413023 | Shealth |
| A2910413024 | Retainer |
| A2910413025 | Steering knuckle assembly (right) |
| WG9100411035 | Steering knuckle (right) |
| WG9100411035/1 | Retainer |
| A2910413036 | Front wheel hub |
| WG9100410212 | Wheel bolt |
| WG9100032314 | Tapered roller bearing |
| WG9100032314/1 | Tapered roller bearing |
| WG9100032311 | Tapered roller bearing |
| WG9100032311/1 | Tapered roller bearing |
| WG9100413068 | Hub end cover |
| WG9100413068/1 | Hub end cover |
Our first axle of the doule front axle is forged from high‑grade alloy steel, providing superior strength and fatigue resistance compared to cast alternatives. This ensures the axle can handle the heaviest loads without bending or cracking, making our first axle of the doule front axle the most reliable choice.
Every critical surface of the first axle of the doule front axle is CNC‑machined to exacting tolerances, guaranteeing correct kingpin fit and wheel alignment. This reduces tyre wear and improves steering precision, delivering the best performance from your first axle of the doule front axle.
We supply the first axle of the doule front axle as a comprehensive set, including the kingpins, limit screws, bearings, and all necessary fasteners. This simplifies ordering and ensures you have all parts needed for a full overhaul of your first axle of the doule front axle.
Our inventory of first axle of the doule front axle components is ready for immediate dispatch worldwide. Our technical team provides expert advice on installation, torque specifications, and maintenance best practices for the first axle of the doule front axle.
The first axle of the doule front axle is the foundation of the vehicle’s steering and suspension geometry. Any wear or damage to this axle can lead to misalignment, poor handling, and accelerated tyre wear. Regular inspection of the kingpin, thrust bearings, and steering knuckles is essential to maintain the safety and performance of your first axle of the doule front axle and your HOWO A7 8X4.
The first axle of the doule front axle is designed to withstand the harsh environments of mining, construction, and long‑haul transport. The forged steel construction, combined with high‑quality thrust bearings and shealths, ensures that the first axle of the doule front axle maintains its structural integrity and steering accuracy even under the most severe loads.
When installing the first axle of the doule front axle, always use new cotter pins and lock nuts. Apply the correct torque to the hex bolts and limit screws as specified in the service manual. Proper preload on the thrust bearings is critical to avoid premature wear and steering stiffness, ensuring your first axle of the doule front axle performs optimally.
We recommend inspecting the first axle of the doule front axle every 50,000 km. Check for signs of wear on the kingpin, shealths, and thrust bearings. Lubricate all grease nipples with the recommended grease. Replace any worn components to maintain optimal steering response and safety of the first axle of the doule front axle.
Our first axle of the doule front axle is specifically designed for the HOWO A7 8X4 chassis, fitting all variants with the double front axle configuration. All dimensions, including kingpin inclination and caster angles, match the original factory specifications for a seamless first axle of the doule front axle replacement.
Each first axle of the doule front axle component undergoes rigorous testing, including magnetic particle inspection, hardness verification, and dimensional checks. We back our first axle of the doule front axle with a comprehensive warranty against manufacturing defects.
We maintain a large stock of first axle of the doule front axle parts, allowing same‑day dispatch for most orders. Custom kits, including all bearings, seals, and fasteners, are available for fleet maintenance programs focused on the first axle of the doule front axle.
Investing in a genuine first axle of the doule front axle reduces the total cost of ownership by extending tyre life, improving fuel efficiency, and minimising unscheduled repairs. The robust design ensures reliable operation and reduced downtime for your first axle of the doule front axle.
Aftermarket axles often use inferior materials or have inaccurate machining, leading to premature wear and alignment issues. Our first axle of the doule front axle is engineered to the exact OEM specifications, providing peace of mind and consistent steering performance from your first axle of the doule front axle.
The forged construction of the first axle of the doule front axle allows for reduced weight without sacrificing strength, contributing to improved payload capacity and fuel efficiency. This makes it an ideal choice for operators seeking maximum productivity from their first axle of the doule front axle.
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