CAT 077-5365 SEAT

CAT 077-5365 is a Caterpillar genuine mechanical suspension operator seat (pure original factory information, no additional description), adapted for construction machinery cabs, providing shock absorption support and ergonomic adjustments to improve comfort and safety during long-term operation.

Core Parameters and Information

Item Details
Part Model: CAT 077-5365 (0775365) Operator Seat

Structure Type: Mechanical spring suspension base, integrated front and rear slide rails, vertical lifting, backrest tilt adjustment, adjustable headrest/lumbar support, equipped with a three-point seat belt

Material: Seat cushion/backrest is made of wear-resistant and stain-resistant black cloth, base is made of carbon steel with powder coating, slide rails are made of galvanized steel, adjustment mechanism is made of engineering plastic + steel components

Key Dimensions: Seat width 650 mm, seat depth 500 mm, backrest height 750 mm, total height 1100 mm, slide rail travel 180 mm, suspension travel 70 mm

Performance Parameters: Rated load ≤150 kg, applicable temperature -40℃ to 80℃, vibration damping rate ≥70%, slide rail adjustment accuracy 5 mm/level, seat belt locking response ≤0.1 s

Compatibility Standard: Complies with CAT cab seat specifications, ISO certified 7096, SAE J1160 Safety and Comfort Standards, Flame Retardant Rating FMVSS 302 Compatible Models and Installation

Compatible Equipment: Suitable for CAT 320D/323D excavators, 966H/972H loaders, D6N bulldozers, and other medium-sized construction machinery cabs, directly replacing the same specification mechanical suspension seat.

Installation Method: Four-point bolt fixing to the cab floor mounting holes, compatible with standard 450×450 mm mounting hole positions, bolt size M12×1.75, torque 55 N・m, 24 V power interface compatible with seat integration function.

Included Components: Includes seat assembly, mounting bolts, seat belt, and adjustment handle; does not include additional wiring harness, directly connects to the original seat wiring harness.

Installation and Maintenance Points: Clean the cab floor mounting surface, verify the hole positions and bolt specifications, check that the seat is not deformed, the slide rails are smooth, and the seat belt is intact.

Position the seat according to the hole positions, tighten the bolts evenly diagonally to ensure there is no looseness, connect the power supply and test that the adjustment function is normal.

After installation, check that the slide rails slide smoothly forward and backward without jamming, the suspension system effectively absorbs shocks, the seat belts lock/release flexibly, and the backrest tilt angle is adjusted correctly.

Maintenance: Every 500 hours, check the bolt torque and slide rail lubrication, and clean the seat cushion/backrest; every 2000 hours, replace the slide rail grease, check the suspension spring elasticity, and replace worn/aged parts promptly.