Shock Absorber Spare Parts
Запасные части амортизатора
Piezas de repuesto del amortiguador
The OEM reference 801975255 identifies a premium shock absorber spare part engineered specifically for XCMG hydraulic excavator undercarriage and cab suspension systems. This genuine damping component plays a pivotal role in absorbing impact loads, controlling rebound, and maintaining machine stability across the most demanding job sites. Designed with high-grade steel, precision-valved hydraulic circuits, and durable sealing elements, the 801975255 shock absorber delivers exceptional fade resistance, consistent damping force, and reliable performance under extreme pressures and temperature fluctuations.
As a critical element of the track frame suspension and cab isolation system, this shock absorber spare part effectively mitigates vertical shocks and lateral oscillations, significantly enhancing operator comfort and reducing structural fatigue on the machine frame. The part number 801975255 is fully interchangeable with original XCMG factory specifications, guaranteeing a perfect fit for a wide range of excavator models. Every unit undergoes rigorous dimensional inspection, dyno testing, and endurance validation to meet ISO 9001 and CE safety standards, ensuring that your machine operates with factory‑level reliability and smoothness.
Whether you are performing routine suspension maintenance or replacing a worn-out damper, choosing the genuine 801975255 shock absorber spare part eliminates the risk of premature failure associated with aftermarket imitations. The advanced hydraulic fluid formulation provides superior viscosity stability across a wide temperature range, while the specially engineered piston and shim stack maintain consistent damping characteristics over thousands of cycles. This combination of robust materials and intelligent valving makes the 801975255 the definitive choice for fleet managers and owner‑operators who demand maximum uptime, operator comfort, and lowest total cost of ownership.
| Parameter | Specification |
|---|---|
| OEM Part Number | 801975255 |
| Product Name | Shock Absorber Spare Parts / Hydraulic Damper |
| Brand / Manufacturer | XCMG (Genuine Original Equipment) |
| Compatible Excavator Models | XCMG XE215, XE270, XE335, XE370, XE400, XE490, XE700, XE900 series |
| Construction Material | High-strength steel tube + hard-chromed piston rod |
| Damping Type | Twin-tube hydraulic, gas-charged (nitrogen) |
| Rebound Damping Force (0.3 m/s) | 2,800 N ± 8% |
| Compression Damping Force (0.3 m/s) | 1,900 N ± 8% |
| Maximum Stroke Length | 165 mm |
| Extended Length (center to center) | 520 mm |
| Compressed Length (center to center) | 355 mm |
| Mounting Type | Eyelet (top) / Stud (bottom) – M16 x 1.5 |
| Fluid Type | High-performance hydraulic oil (ISO VG 32) |
| Operating Temperature Range | -40 °C to +100 °C |
| Weight (unit) | 4.25 kg ± 0.1 kg |
| Endurance Test Cycles | ≥ 2,000,000 cycles @ rated load |
The shock absorber spare part bearing the OEM code 801975255 represents the culmination of XCMG’s decades of suspension damping engineering. Unlike conventional friction or elastomeric dampers, this hydraulic unit incorporates a twin-tube design with a nitrogen gas charge that effectively prevents cavitation and ensures consistent damping force even during rapid, high-frequency oscillations. This dynamic stability reduces the transmission of shock loads to the cab and undercarriage, effectively minimizing operator fatigue and enhancing overall machine controllability.
Manufactured from high-strength DOM steel tubing with a hard-chromed piston rod (minimum 20 µm chrome thickness), the 801975255 shock absorber achieves an exceptional balance of strength and wear resistance. The precision-ground piston and specially calibrated shim stack ensure linear damping characteristics across the entire velocity spectrum, providing predictable handling and stable ride quality. Independent lab tests demonstrate that the genuine XCMG damper outperforms generic alternatives by over 150% in fade resistance and cycle life, directly translating to fewer suspension replacements and lower operating costs.
Advanced sealing technology, including a double-lip polyurethane wiper seal and a Teflon-coated O-ring, guarantees leak-free operation even under extreme pressures and abrasive contamination. The seals are specifically engineered to resist hydraulic fluid degradation and maintain their elastomeric properties over thousands of thermal cycles. The 801975255 assembly is delivered pre-filled with high-grade hydraulic oil and gas-charged, ready for immediate installation, eliminating the need for complex bleeding procedures.
The part number 801975255 is expressly designed for XCMG’s current-generation hydraulic excavators, including but not limited to the XE215, XE270, XE335, XE370, XE400, XE490, XE700, and XE900 series. It directly supersedes earlier revisions 801975254 and 803164290, offering improved damping linearity and a 10% wider effective stroke range. For fleet operators, this single part number standardizes inventory across multiple model sizes, reducing stock complexity and the risk of mis-ordering.
Installation of the 801975255 shock absorber follows a straightforward procedure: after supporting the axle or cab structure, the old damper is removed using standard hand tools. The new unit is positioned with the identification mark facing outward, and the mounting bolts are torqued to 80 N·m for the eyelet end and 65 N·m for the stud end. No special pressing tools are required – the design accommodates minor misalignments in the mounting brackets up to 2 degrees, making it a workshop-friendly upgrade.
In rigorous field trials conducted across Australian mine sites, Canadian oil sands, and South American rainforest operations, the 801975255 shock absorber assembly demonstrated an average service life exceeding 7,200 operating hours – a 25% improvement over the previous design. The key to this longevity lies in the advanced piston valving, which distributes hydraulic forces evenly across the shim stack, eliminating stress concentration that leads to shim fatigue and damping loss. Even under sustained heavy digging with 4.0-m³ buckets, the 801975255 maintains its structural integrity without developing oil leakage or damping degradation.
Corrosion resistance is another standout feature: the epoxy-polyester powder coating on the outer tube and the zinc-nickel plating on the rod end provide over 1,000 hours of salt-spray resistance per ASTM B117. This makes the 801975255 an ideal choice for coastal construction, de-icing operations, and tropical environments where humidity and chlorides accelerate corrosion. Regular visual inspection of the shock absorber is simplified by the integrated wear indicator – once the rod seal shows signs of weeping or the damping force drops by more than 15%, scheduled replacement ensures uninterrupted performance and operator safety.
To maximize the return on your genuine XCMG shock absorber spare parts, adhere to a proactive maintenance schedule. Every 500 service hours, inspect the shock absorber for fluid leaks, rod scoring, or bushing wear. Clean the exterior with a mild detergent and a soft cloth – avoid high-pressure water jets that can force contaminants past the rod seal. Check the mounting bushings for excessive play; any movement exceeding 1 mm indicates the need for bushing replacement.
When storing spare units for an extended period, keep the 801975255 in its original box, in a cool, dry place away from direct sunlight and ozone sources. Avoid laying the unit horizontally for more than six months, as this may cause oil migration past the seals. Before installation, always verify that the mounting bolts are free of rust and that the bushings are properly lubricated with a molybdenum disulfide paste, ensuring that the shock absorber operates at peak efficiency and comfort.
For operators working in particularly severe environments, such as demolition sites or mining operations with high levels of airborne dust, we recommend reducing the inspection interval to 250 hours and installing protective gaiters over the rod to shield the seal from abrasive particles. This simple practice has been shown to extend the life of both the shock absorber and the associated suspension components by up to 30%, solidifying the 801975255 as the most cost-effective damping investment available today.
Every 801975255 shock absorber spare part exits XCMG’s state-of-the-art production facility with a full dimensional inspection report and material certificate (EN 10204 3.1). The manufacturing process is governed by ISO 9001:2015 and IATF 16949:2016 standards, ensuring consistent quality and automotive-grade reliability. Additionally, each batch undergoes random destructive testing, including high-frequency dyno testing to 3 million cycles and burst pressure testing to 35 MPa, to guarantee that the piston rod and tube maintain their structural integrity while the valving delivers the required damping forces.
The 801975255 also carries the CE marking, confirming compliance with the Machinery Directive 2006/42/EC, and is TÜV-tested for dynamic load endurance and temperature stability. This rigorous certification process provides peace of mind for contractors working on EU-funded projects, safety-critical infrastructure, and mining operations where component traceability is mandatory. By choosing the OEM-spec 801975255, you are not just buying a spare part – you are investing in validated engineering that keeps your XCMG excavator performing at its best, shift after shift, in the harshest conditions worldwide.
