Cylinder Group 263-4068/276-4667/364-9326/418-5347/476-2812

Track Type Tractor Caterpillar D3, D4, D5

Lift Cylinder Bore 89,90 Stroke 144,60 Hydraulic Cylinder

2634068/2764667/3649326/4185347/4762812

Compatible Brand: Caterpillar

Part Number: 476-2812 (4762812)

Superseded / Interchange Numbers: 263-4068 (2634068), 276-4667 (2764667), 364-9326 (3649326), 418-5347 (4185347)

Part Name: Track-Type Tractor Blade Lift Hydraulic Cylinder Group / Assembly

Technical Specifications: Bore: 89.90 mm / Stroke: 144.60 mm / Weight: Not Specified (Heavy-Duty) / Hydraulic Cylinder

Compatible Machinery: Caterpillar Track-Type Tractors / Dozers (D3, D4, D5 series)

What It Does:

Serves as the primary blade lift hydraulic actuator mounted on the front frame and blade linkage of Caterpillar D3, D4, and D5 series track-type tractors (dozers). Powered by high-pressure hydraulic fluid, it extends and retracts to raise, lower, and precisely control the ground penetration depth and height of the dozer blade during earthmoving, fine grading, and leveling operations.

Importance:

Critical for defining fine-grading accuracy, blade down-pressure, and lifting capacity on construction and land development job sites. Built with a precision 89.90 mm bore and 144.60 mm stroke heavy-walled barrel and forged rod structure, it effectively withstands vertical shock loads, dynamic ground impacts, and bending stress transmitted through the blade lift linkage, while advanced internal seals prevent fluid bypass under continuous high-pressure 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.