Seat
Сиденье
Asiento
The OEM reference 802140312 identifies a premium seat assembly engineered specifically for XCMG hydraulic excavator operator cabs. This genuine component provides exceptional ergonomic support, vibration damping, and all‑day comfort, enabling operators to maintain focus and productivity during extended shifts. Designed with high‑density foam, durable upholstery, and a robust suspension system, the 802140312 seat delivers superior back support, consistent ride quality, and reliable performance under continuous heavy‑duty operation and extreme environmental conditions.
As a critical element of the operator’s working environment, this seat assembly effectively isolates the operator from machine vibrations and shocks, reducing fatigue and improving overall machine control. The part number 802140312 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, foam density testing, and durability validation to meet ISO 9001 and CE safety standards, ensuring that your machine delivers factory‑level comfort, support, and long‑term reliability.
Whether you are replacing a worn, sagging, or damaged seat, choosing the genuine 802140312 eliminates the risk of discomfort, poor posture, or premature upholstery failure associated with aftermarket substitutes. The advanced cold‑cure foam formulation provides superior resilience and shape retention, while the specially engineered fabric cover offers breathability and resistance to oils, sweat, and UV exposure. The integrated suspension system effectively dampens vibration, reducing operator fatigue and improving concentration. This combination of ergonomic design and robust construction makes the 802140312 the definitive choice for fleet managers and owner‑operators who demand maximum operator comfort, productivity, and lowest total cost of ownership.
| Parameter | Specification |
|---|---|
| OEM Part Number | 802140312 |
| Product Name | Seat / Operator Seat Assembly |
| Brand / Manufacturer | XCMG (Genuine Original Equipment) |
| Compatible Excavator Models | XCMG XE215, XE270, XE335, XE370, XE400, XE490, XE700, XE900 |
| Frame Material | High‑strength steel, powder‑coated |
| Foam Type | Cold‑cure polyurethane, high‑resilience (HR) |
| Foam Density | 58 kg/m³ ± 5% |
| Upholstery Material | PVC‑coated polyester fabric, anti‑slip texture |
| Suspension Type | Mechanical / Air‑assisted (adjustable) |
| Weight Adjustment Range | 50 – 130 kg |
| Fore‑Aft Adjustment | 150 mm |
| Height Adjustment | 60 mm |
| Backrest Recline | 15° (adjustable) |
| Seat Belt Type | 3‑point retractable (ISO 6683) |
| Weight (unit) | 28.5 kg ± 0.5 kg |
| Durability Test (foam fatigue) | ≥ 500,000 cycles @ 100 kg load |
The seat assembly bearing the OEM code 802140312 represents the culmination of XCMG’s extensive ergonomic research and human‑factors engineering. Unlike conventional seats, this genuine component is specifically contoured to support the natural curvature of the spine, with integrated lumbar support that reduces pressure on the lower back and promotes healthy posture. The seat’s suspension system is calibrated to match the vibration characteristics of XCMG excavators, effectively isolating the operator from machine‑induced shocks and jolts.
Manufactured from high‑strength steel with a durable powder‑coat finish, the 802140312 frame provides a rigid foundation that maintains its shape even under heavy loads and continuous vibration. The cold‑cure polyurethane foam is poured directly onto the frame, ensuring a perfect bond and eliminating the risk of delamination. The foam formulation is specifically engineered to provide optimal support while maintaining resilience over thousands of hours of use. Independent lab tests show that the genuine XCMG seat outperforms generic alternatives by over 200% in indentation load deflection (ILD) retention, directly translating to consistent comfort and fewer seat replacements.
The upholstery material is a heavy‑duty PVC‑coated polyester fabric with a micro‑porous surface that allows moisture vapour to escape, keeping the operator dry and comfortable. The fabric is treated with an anti‑bacterial and anti‑fungal agent, as well as UV stabilizers to prevent fading and cracking under prolonged sun exposure. Stitching is reinforced with high‑tenacity nylon thread, and all seams are double‑stitched for maximum tear resistance. The seat belt system meets ISO 6683 safety standards, providing secure restraint for operators of all sizes.
The part number 802140312 is expressly designed for XCMG’s current‑generation excavator cabs, fitting models XE215, XE270, XE335, XE370, XE400, XE490, XE700, and XE900. It directly supersedes earlier revisions and offers improved lumbar support, a more durable foam formulation, and an enhanced suspension system for superior ride quality. For fleet operators, this single part number standardizes seat inventory across multiple model sizes, reducing stock complexity and the risk of mis‑ordering.
Installation of the 802140312 seat is straightforward: after removing the old seat, the new unit is positioned on the mounting rails and secured with the four M10 bolts. The fore‑aft and height adjustments are then set to suit the operator’s preference. The seat belt is checked for proper operation, and the suspension is calibrated to the operator’s weight using the adjustment dial. No special tools are required, and the entire procedure can be completed in under 30 minutes, minimizing machine downtime.
In rigorous field trials conducted across Australian mine sites, Canadian oil sands, and African construction projects, the 802140312 seat demonstrated exceptional durability, with no instances of foam sagging, upholstery tearing, or suspension failure over 8,000 operating hours – a 30% improvement over the previous design. The key to this longevity lies in the high‑resilience foam formulation, which recovers its original shape after each compression cycle, maintaining consistent support over time.
The powder‑coated steel frame resists corrosion and impact damage, while the double‑stitched seams prevent unraveling even under heavy lateral loads. Field data shows that the 802140312 reduces operator fatigue by up to 25%, as measured by reduced muscle tension and improved reaction times. Operators have reported significant improvements in comfort and concentration, leading to higher productivity and fewer errors. The seat’s vibration damping properties have been validated in independent tests, showing a 40% reduction in transmitted vibration compared to standard seats.
To maximize the return on your genuine XCMG seat assembly, adhere to a proactive maintenance schedule. Every 500 service hours, clean the upholstery with a mild soap solution and a soft brush – avoid harsh chemical cleaners that can degrade the PVC coating. Inspect the mounting bolts for tightness and check for any signs of foam compression or fabric abrasion. Test the seat belt for proper retraction and locking function.
When storing a spare seat for an extended period, keep the 802140312 in a cool, dry place, away from direct sunlight and ozone sources. Avoid stacking heavy objects on the foam surface, as prolonged compression can reduce its resilience. Before installation, verify that the seat base mounting holes are clean and free of rust, ensuring a secure and stable fit.
For operators working in particularly dusty or muddy environments, we recommend using a seat cover to protect the upholstery from abrasive particles. Regularly check the suspension adjustment to ensure it remains correctly calibrated for the operator’s weight – a correctly adjusted suspension significantly extends the life of both the seat and the operator. These simple practices, combined with the superior quality of the 802140312, ensure that your XCMG excavator operator remains comfortable, alert, and productive throughout the machine’s operational life.
Every 802140312 seat assembly exits XCMG’s production facility with a comprehensive quality dossier, including foam density verification, ILD measurements, frame dimensional inspection, and suspension calibration records. The manufacturing process is certified to ISO 9001:2015 and IATF 16949:2016, ensuring automotive‑grade consistency and reliability. Additionally, each batch undergoes random destructive testing, including cyclic compression testing to 500,000 cycles, seam tensile testing, and accelerated UV weathering, to guarantee that the foam and upholstery maintain their integrity under continuous use.
The 802140312 also carries the CE marking and complies with the Machinery Directive 2006/42/EC, as well as ISO 6683 for seat belt safety. This rigorous certification provides peace of mind for contractors working on EU‑funded projects, infrastructure development, and mining operations where operator well‑being and safety are paramount. By choosing the OEM‑spec 802140312, you are not just buying a seat – you are investing in validated engineering that keeps your XCMG excavator operator comfortable, focused, and productive, shift after shift, in the harshest conditions worldwide.
