Description
CAT 9T-0559 Spring Seat
| CAT 9T-0559 Spring Seat |
| CAT 586-7419 BEARING-CONE-GD |
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| CAT 8I-4472 BEARING-GEAR |
| CAT 617-1385 BEARING |
| CAT 5P-0356 BEARING-NEED |
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The CAT 9T-0559 is a Caterpillar original mechanical suspension operator seat assembly, suitable for small and medium-sized excavators, loaders, graders, and other construction machinery. The following is precise original part information:
Core Technical Parameters
Item Details
Part Model: CAT 9T-0559 (9T0559) Mechanical Suspension Operator Seat, weighing approximately 18 kg (39.7 lb), includes mechanical suspension base, seat cushion, backrest, three-point harness, and adjustable armrests. Suitable for extended working hours in the cab. Cat®…
Core Materials: Seat Cushion/Backrest (High-density polyurethane foam + abrasion-resistant and tear-resistant vinyl fabric, waterproof and easy to clean); Frame (Low-carbon steel integral stamping, surface electrophoretic anti-corrosion, high strength); Suspension Mechanism (Spring + damper combination, providing shock absorption and cushioning)
Key Dimensions: Seat width 460 mm, Seat depth 420 mm, Backrest height 650 mm, Overall height 920 mm mm, fore-aft adjustment travel 180 mm, backrest angle adjustment range 90°-120°, seat mounting hole spacing 240 mm × 240 mm (four-hole fixing)
Core adjustment functions: Fore-aft sliding (travel 180 mm), backrest angle (90°-120°), lumbar support, weight adaptation (50-120 kg), adjustable armrest height/angle (can be flipped up for storage)
Compatible models: CAT 305.5E/306E mini excavators, 906H/907H loaders, 120M graders, 420F mini loaders, and other small and medium-sized construction machinery cabs
Accessories: Compatible three-point seat belt assembly 258-4096, seat mounting bolt 8T-4127, shock absorber 5F-5559, armrest adjustment knob 456-1559
Core functions and structural features:
Mechanical suspension shock absorption: spring + The damper’s mechanical suspension mechanism filters road bumps, reduces vibration transmission, adapts to rugged working conditions, reduces operator fatigue, and improves work efficiency (Cat®…).
Multi-directional adjustment: Adjustable for forward and backward sliding, backrest angle, lumbar support, and other dimensions to accommodate operators of different heights and weights, conforming to ergonomics and ensuring comfort during extended work periods (Cat®…).
Durable and easy to maintain: The vinyl fabric is waterproof, wear-resistant, and easy to clean; the frame is electrophoretically corrosion-resistant; the suspension mechanism requires no frequent lubrication; maintenance cycles are long; suitable for harsh working conditions of engineering equipment (Cat®…).
Safety protection: Integrated three-point safety harness provides reliable safety restraint, adapting to complex postures during engineering equipment operation and ensuring operator safety (Cat®…).
