XCMG Ya4.5×40×160 Spring OEM 332107537 – Heavy-Duty Compression Spring for Suspension & Drivetrain Systems
Ya4.5×40×160 Spring
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The genuine XCMG Ya4.5×40×160 Spring with OEM number 332107537 is a precision-wound heavy-duty compression spring engineered for critical suspension, drivetrain, and damping applications on XCMG articulated dump trucks, including XDA30, XDA40, XDA45, XDA45U, XDA60, and TA30 series. The designation Ya4.5×40×160 indicates a wire diameter of 4.5 mm, a spring outer diameter of 40 mm, and a free length of 160 mm, making it a versatile component for numerous mechanical assemblies.
The 332107537 spring is manufactured from high-grade spring steel (EN 10270-1 SH or DIN 17223 Grade C) with a tensile strength of 1,800–2,000 MPa. It features ground and closed ends for even load distribution, and the entire spring is shot-peened to introduce compressive residual stress at the surface, significantly improving fatigue life under cyclic loading. Each spring is heat-set to eliminate residual stress from the coiling process and to ensure stable dimensions over its service life.
Engineered to withstand the extreme vibration, shock loads, and corrosive environments of mining and construction sites, the XCMG spring 332107537 is coated with a zinc‑phosphate anti‑corrosion layer followed by a black epoxy finish. This provides ≥240 hours of salt spray resistance (ASTM B117) and protects against rust even when exposed to road salt, mud, and moisture. The spring operates reliably in temperatures from -40°C to +150°C, making it suitable for both arctic and desert mining operations.
As a genuine XCMG OEM component, the 332107537 spring guarantees precise fitment within the specified spring pocket dimensions (40 mm ID/OD, 160 mm free length) and delivers exact spring rates (k = 95 N/mm ±5%). Counterfeit springs often use lower-grade wire, lack shot-peening, and have inconsistent spring rates, leading to premature fatigue, sagging, or breakage. Trust genuine XCMG for maximum reliability in your articulated dump truck fleet.
Technical Data Sheet – Ya4.5×40×160 Spring (OEM 332107537)
| Parameter | Specification |
|---|
| OEM Part Number | 332107537 |
| Product Name | Ya4.5×40×160 Compression Spring / Suspension Spring / Coil Spring |
| Brand | XCMG (Genuine OEM) |
| Wire Diameter (d) | 4.5 mm (±0.05 mm) |
| Outer Diameter (OD) | 40 mm (±0.5 mm) |
| Free Length (L0) | 160 mm (±1.0 mm) |
| Solid Length (Lsolid) | Approx. 52 mm (calculated) |
| Number of Active Coils | 9.5 |
| Total Coils | 11.5 (closed and ground ends) |
| Spring Rate (k) | 95 N/mm ±5% (95 kg/mm) |
| Maximum Deflection (L0 – Lsolid) | 108 mm (at spring rate) |
| Maximum Load at Solid Length | Approx. 10,260 N (1,046 kg) |
| Material Grade | Spring steel EN 10270-1 SH / DIN 17223 Grade C |
| Tensile Strength | 1,800 – 2,000 MPa |
| Shear Modulus (G) | 79 GPa |
| End Type | Closed and ground (square ends) |
| Surface Treatment | Shot-peening + zinc-phosphate + epoxy black coating |
| Corrosion Resistance | ≥240 hours salt spray (ASTM B117) |
| Operating Temperature | -40°C to +150°C (-40°F to +302°F) |
| Fatigue Life | ≥10⁶ cycles at 80% of max load (shot-peened) |
| Compatible XCMG Models | XDA30, XDA40, XDA45, XDA45U, XDA60, TA30 |
| Applications | Suspension struts, valve springs, clutch mechanisms, accumulator springs |
| Quality Certifications | IATF 16949:2023, ISO 9001:2025, ISO 14001 |
| Warranty | 24 months / 5,000 operating hours |
Engineering Excellence: The Ya4.5×40×160 Spring (332107537)
The XCMG spring 332107537 is precision-coiled using CNC spring coiling machines to ensure consistent pitch and diameter. The wire is cold-wound for optimal grain flow, followed by a stress-relief annealing process (tempering at 250–300°C for 60 minutes) to remove residual coiling stresses. The ground ends are flat within 0.5°, providing full contact with spring seats and preventing point loading that could lead to premature failure.
Shot-peening is a critical post-processing step for the 332107537 spring. Steel shot (0.6–0.8 mm) is projected at high velocity onto the spring surface, creating a compressive residual stress layer of approximately 0.2 mm depth. This treatment multiplies fatigue life by a factor of 2–4 compared to non-peened springs. Each spring is sampled for coverage verification (Almen strip test) to ensure 98% coverage at 0.008–0.012 mm intensity.
The spring rate of 332107537 (95 N/mm) is verified on a calibrated spring tester by compressing the spring to both 20% and 80% of its free length. The measured rate must fall within the tolerance band of 90.25–99.75 N/mm. Any spring outside this range is rejected. This precision ensures balanced suspension behavior and predictable damping characteristics across all wheels of the articulated dump truck.
Critical Applications on XCMG Articulated Dump Trucks
On the XCMG XDA45 articulated dump truck, the 332107537 spring is used in the front suspension strut assembly, supporting the weight of the cab and powertrain. It works in tandem with a hydraulic damper to absorb road shocks and maintain tire contact with uneven ground. A broken or sagging spring leads to poor ride quality, increased tire wear, and instability when cornering. Replacing with genuine 332107537 restores original ride height and handling.
In the XCMG XDA60 model, the same spring 332107537 is employed in the hydraulic accumulator circuit for the suspension lockout system. The spring provides the preload force for the accumulator piston, maintaining hydraulic pressure when the engine is off. A failed spring can cause the accumulator to lose preload, resulting in suspension sag and potential chassis damage during transport.
The spring 332107537 is also used as a return spring for the parking brake mechanism on TA30 articulated trucks. In this application, the spring must exert 700–800 N of force at the deployed brake position to ensure reliable engagement. Failure of this spring could allow the parking brake to drag or not fully release, leading to accelerated brake wear or unsafe rolling.
Consequences of Using Non-Genuine or Worn Springs
A spring that has lost its free length due to fatigue or corrosion (also known as “sagging”) will reduce suspension travel and alter the vehicle’s stance. For an articulated dump truck operating in rough terrain, a sagged spring 332107537 can cause bottoming-out, increased stress on the chassis, and premature failure of shock absorbers. A spring that has sagged by only 5 mm (from 160 mm to 155 mm) loses approximately 10% of its available travel and changes the static load distribution.
A catastrophic spring breakage can cause immediate loss of suspension support, leading to the wheel contacting the chassis or the accumulator losing pressure suddenly. In a moving truck, this can cause loss of control and serious accidents. The cost of repairing damage from a broken spring often exceeds $5,000, not including downtime. Genuine XCMG spring 332107537 is designed with a safety factor of 2.5 against solid stress and undergoes 100% crack detection via magnetic particle inspection.
Counterfeit springs often use lower-carbon steel (e.g., 65Mn without proper alloying) that lacks the fatigue resistance of genuine spring steel. They may also skip shot-peening or use insufficient heat treatment. Laboratory tests on seized counterfeit springs showed fatigue life less than 50,000 cycles, compared to over 1,000,000 cycles for genuine 332107537. Protect your fleet and your operators with genuine XCMG components.
Installation & Maintenance Guide for Spring 332107537
To replace a worn or damaged spring with the new 332107537, first raise the vehicle and support the chassis securely. Release tension from the suspension using the appropriate spring compressor tool (XCMG p/n 800141788). Never attempt to remove a compression spring without a proper compressor; the stored energy can cause serious injury. Remove the old spring and inspect the spring seats for wear or damage; replace if necessary.
Install the new genuine spring 332107537 with the closed end facing the stationary spring seat. Ensure the spring is seated fully in the pocket and that the end coil is positioned correctly (per the XCMG workshop manual). Slowly release the spring compressor, ensuring the spring expands evenly. Torque the retaining nut or bolt to the specification (typically 200 Nm for suspension strut top nuts).
After installation, check the vehicle ride height (measure from the axle center to the chassis). For XDA45, the ride height should be within 5 mm of the specification (525 ± 5 mm). If the height is outside this range, verify that the spring is seated correctly and that no other suspension components are worn. Re-torque the spring retaining nut after 100 km of operation, as the spring may settle slightly.
Inspect springs 332107537 every 1,000 operating hours. Look for signs of rust, pitting, or cracks (use a magnifying glass). If any coating damage is visible, clean the area and apply anti-corrosion paint. Replace the spring immediately if any crack is found, even a hairline. Do not attempt to weld or repair a broken spring; it must be replaced as a safety-critical component.
Quality Assurance & Authenticity Verification
Every XCMG spring 332107537 is produced in an IATF 16949 certified facility with strict statistical process control. Each spring is individually measured for free length, outer diameter, and spring rate on automated test equipment. A sample from each batch undergoes destructive testing: load-to-solid test, fatigue test to 1 million cycles, and metallurgical analysis (hardness, microstructure).
Authentic XCMG springs have the part number 332107537 and a date code laser-engraved on the outer surface of one coil. The coating is uniform and matte black, with no peeling or bubbles. The spring ends are ground flat and smooth. Counterfeit springs often have a shiny black paint (not epoxy), rough end coils, and no marking. The packaging includes a holographic sticker and a certificate of conformity with the batch number.
Always purchase 332107537 from authorized XCMG dealers or the official parts portal. Register the part online to activate the warranty. Counterfeit springs not only risk your equipment but also may void your vehicle’s warranty. Trust genuine XCMG for safety and performance.
Economic and Environmental Benefits of Genuine Spring 332107537
Using genuine XCMG springs 332107537 reduces total cost of ownership by minimizing unscheduled downtime. A fleet of 20 AD-series trucks that switches to genuine springs can expect a 60% reduction in spring-related failures per year, saving over $15,000 in parts and labor. The longer service life also reduces the consumption of raw materials (steel) and the energy required to manufacture replacement springs.
The zinc-phosphate coating on the 332107537 spring is free of hexavalent chromium, compliant with REACH and RoHS environmental regulations. At end of life, the spring steel can be recycled into new steel products. XCMG’s manufacturing facilities have achieved zero liquid discharge and operate on 30% renewable energy. Choosing genuine XCMG supports sustainable mining practices.
Genuine XCMG OEM 332107537 Ya4.5×40×160 Spring — Shot-peened, closed & ground ends, epoxy-coated for corrosion resistance. Engineered for suspension, drivetrain, and safety-critical applications on XCMG articulated dump trucks. Trust genuine XCMG quality for consistent spring rate, fatigue life, and fleet reliability.
