Suspension Gp-Rear 9J7776/8J8865/299-3104/247-4883/264-5811/290-7231/335-6354/458-0407/654-5830/654-5828

Articulated/Off Highway Caterpillar 777

Suspension Cylinder Bore 266,70 Stroke 165,30 Hydraulic Cylinder

9J-7776/8J-8865/2993104/2474883/2645811/2907231/3356354/4580407/6545830/6545828

Compatible Brand: Caterpillar

Part Number: 654-5830 (6545830)

Superseded / Interchange Numbers: 9J-7776 (9J7776), 8J-8865 (8J8865), 247-4883 (2474883), 264-5811 (2645811), 290-7231 (2907231), 299-3104 (2993104), 335-6354 (3356354), 458-0407 (4580407), 654-5828 (6545828)

Part Name: Off-Highway Truck Rear Suspension Hydraulic Cylinder Group

Technical Specifications: Bore: 266.70 mm / Stroke: 165.30 mm / Weight: Not Specified (Heavy-Duty) / Hydraulic Cylinder

Compatible Machinery: Caterpillar Off-Highway / Mining Trucks (777 series)

What It Does:

Serves as the rear hydropneumatic (oil and nitrogen gas) suspension cylinder group mounted on the rear axle assembly of Caterpillar 777 series off-highway mining trucks. It absorbs severe vertical shock loads, harsh haul-road terrain impacts, and shovel loading vibrations, protecting the truck chassis frame and driveline components.

Importance:

Critical for maintaining high vehicle stability, tire service life, structural frame integrity, and operator comfort under 100-ton class payload capacities in demanding quarrying and mining operations. Built with a massive heavy-walled steel barrel and high-strength forged rod, it effectively withstands extreme dynamic impact forces, heavy vertical loads, and severe torsional stress, while advanced high-pressure gas and fluid seals prevent pressure loss under continuous heavy operation.

As Seçkin Makine, we manufacture this product as an aftermarket item fully equivalent to the original specifications in terms of raw materials, technical dimensions, and performance characteristics. This product comes with a 1-year warranty from the invoice date.