Updated 853 And Early 863 High Flow Hydraulic Pump

Loader Parts Source, Inc. offers this high flow hydraulic pump for use with Bobcat skid steer models 853 (High Flow, All serial numbers) and Early 863 (High Flow, Before serial numbers 514424999, 514524999, and 514624999).

This pump replaces Bobcat part number 6673918, and it also replaces obsolete part number 6669563 with an additional fitting. The fitting is in stock and can be ordered with this pump.

This two section gear pump has a 3/4 inch 11 spline shaft that extends 1.25 inches from the mounting flange. A #16 inlet port, a 3/4 inch 4 bolt outlet port, and another #8 o-ring boss outlet port.  The mounting gasket and all o-rings are included with this pump.

Here are some links to the most common 863 and 873 standard flow pumps. Early standard flow machines primarily use a 6665551 Hydraulic pump. Late standard flow machines primarily use a 6673911 Hydraulic pump.