CAT 320B Hydraulic Pump A8VO107 Explained: Bent-Axis vs Swash-Plate, Fitment & 320B vs 320C
Sep, 18 2026
Quick Answer Five questions, five short answers — each is explained in full below.1. What is the A8VO107? It is a Rexroth designation for a bent-axis, variable-displacement axial-piston double pump of roughly 107 cc/rev per section, fitted as the main pump on the CAT 320B. The "8" family is Rexroth's double (twin) bent-axis version.2. Bent-axis vs swash-plate? In a bent-axis pump the cylinde...
