CAT 5R4477 Hydraulic Pump is a genuine Caterpillar pump assembly for selected 834B and 836 machines. Built for stable hydraulic pressure, efficient oil flow, and reliable heavy-duty performance in construction, mining, and landfill applications.
CAT 5R4477 Hydraulic Pump is a genuine Caterpillar pump assembly designed for reliable hydraulic performance in demanding heavy equipment applications. It is commonly used on selected CAT 834B Wheel Dozer and CAT 836 Landfill Compactor machines, helping maintain stable pressure, efficient oil flow, and dependable system operation. As a direct replacement part, 5R4477 supports durability in construction, mining, landfill, and other harsh working environments. RUIPO focuses on supplying original CAT spare parts with responsive service, export support, and worldwide shipping. Always verify compatibility by machine serial number, arrangement number, and configuration before placing your order to ensure fitment and performance.
