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Part Model: 801907113
Part Name: Seat (Core Comfort Component of the Operator’s Cab)
Applicable Model: XCMG GR2605 Motor Grader
Compatible Cab: ROPS/FOPS Certified Extra-Large Luxury Cab
The XCMG GR2605 grader seat (801907113) is a core comfort and safety component of the machine’s cab. Manufactured strictly according to XCMG’s original design standards, ergonomic specifications, and engineering machinery seat protection requirements, it is specifically designed for the GR2605 grader’s extra-large luxury cab (ROPS/FOPS certified). It is suitable for harsh working conditions such as highway construction, airport construction, mining operations, and large-scale earthmoving, involving high bumps and long-term continuous operation. Serving as a “mobile comfort fortress” for the operator, it effectively alleviates bump impacts and distributes body pressure through a professional shock-absorbing structure and ergonomic design, reducing fatigue during long-term operation. It also provides reliable safety protection and is a high-quality original replacement part for GR2605 grader seats that have aged or whose shock absorption has failed.
This seat employs a dual shock absorption structure of “mechanical damping + suspension support,” equipped with high-strength manganese steel shock-absorbing springs and hydraulic dampers. With a suspension travel of 60mm, it can increase the vibration attenuation rate during operation to over 85%, effectively filtering the impact from uneven ground, making it particularly suitable for the severe vibration environment of heavy-duty grader operations. The seat frame is integrally welded from Q355 high-strength low-alloy steel, treated with anti-rust electrophoresis, and has a tensile strength ≥345MPa. Its strong structural rigidity can withstand long-term use by operators of varying weights from 45-170kg without deformation or breakage risk. The bottom mounting plate is precision-machined to precisely fit the cab seat rails, with hole tolerances controlled within ±0.03mm. After tightening, it remains secure and silent under 25g peak vibration conditions.
The seat cushion and backrest feature an ergonomic curved design, filled with 45-density high-density polyurethane foam, conforming to the curves of the buttocks and back, evenly distributing contact pressure, effectively relieving back and hip pain even after 8 consecutive hours of work. The surface is covered with wear-resistant PU leather fabric with an added tear-resistant fiber layer, making it three times more wear-resistant than ordinary fabrics. It is also waterproof, stain-resistant, and easy to clean, resisting mud, water, and oil stains, and suitable for the cleaning needs of dusty working environments. The backrest angle is infinitely adjustable within the range of -30° to +50°, and with a 12-level height-adjustable headrest, it can precisely adapt to the sitting habits of operators of different heights, providing more comfortable neck support and further reducing fatigue. The seat’s fore-and-aft adjustment range is 180mm, and the height adjustment range is 400-500mm, ensuring that the operator has the best field of vision and control panel angle.
The seat features dual adjustable armrests, whose height and angle can be flexibly adjusted according to operating habits. The surface has a non-slip textured finish, providing a stable grip and aiding in precise equipment operation. It includes a built-in two-point emergency locking seatbelt, compliant with ISO 7096 safety certification standards, which locks quickly in the event of sudden bumps or collisions, ensuring operator safety. Some models are equipped with operator presence sensors to monitor operating status in real time, enhancing operational safety. The connection between the seat bottom and the slide rail is equipped with EPDM sealing gaskets, offering excellent dust and water resistance, preventing external dust and mud from entering the slide rail and extending the service life of the adjustment mechanism. The surface fabric and foam materials are environmentally certified, with no harmful substances emitting, ensuring respiratory health in the confined cab environment.
The product’s installation dimensions perfectly match the original XCMG GR2605 cab seat slide rails, requiring no additional modifications or drilling. Installation is completed simply by tightening the original bolts, and disassembly is convenient, allowing for single-person operation. The overall design of the seat perfectly matches the extra-large cab space of the GR2605 grader (20% larger than the previous generation), without affecting the interior space of the cab or the operation of the control panel. It is also compatible with the machine’s electronic monitoring system and air conditioning system, further enhancing the comfort of operation.
Part Model: 801907113
Part Name: Seat (Core Comfort Component of the Operator’s Cab)
Applicable Model: XCMG GR2605 Motor Grader
Compatible Cab: ROPS/FOPS Certified Extra-Large Luxury Cab
Material: Q355 High-Strength Steel Frame, 45 Density Polyurethane Foam, Wear-Resistant PU Leather, EPDM Sealing Gaskets
Process: One-piece Welding, Rust-proof Electrophoretic Treatment, Ergonomic Curved Design
Core Parameters: Suspension Travel 60mm, Fore-and-aft Adjustment 180mm, Height Adjustment 400-500mm, Backrest Adjustment -30°~+50°
Safety Certification: ISO 7096 Certified, Two-Point Emergency Locking Seat Belt
Features: Shock absorption and spine protection, multi-dimensional adjustment, wear and weather resistance, safe and environmentally friendly, precise fit
Functions: Comfortable support for long-term work, vibration damping, operator safety protection, personalized seating posture adaptation
Original factory standard precise fit, seamlessly matches the original vehicle cab; dual shock absorption structure, suitable for heavy-load and bumpy working conditions; ergonomic design + multi-dimensional adjustment, significantly reducing operator fatigue; wear-resistant and environmentally friendly materials, suitable for harsh working environments; complete safety certifications, reliable protective performance; convenient installation and disassembly, high maintenance efficiency, improving overall equipment operating efficiency and operator experience.

1 381100530 Seat base
2 801907113 Seat
3 329900296 Thickened large washer
4 805046508 Bolt M8×20 BOLT GB/T5783-2000
5 805046509 Bolt M8×25 BOLT GB/T5783-2000