Catarpillar 140‑8886 bulldozer main hydraulic piston pump made in China

Catarpillar 140‑8886 bulldozer main hydraulic piston pump Catarpillar 140‑8886 bulldozer main hydraulic piston pump made in China Catarpillar axial variable piston pump group, Rexroth series pressure‑compensated hydraulic main pump. Fits C AT D250E‑II, D300E‑II articulated dump truck with 3306 engine. Supplies hydraulic power for hoist and steering circuits. SAE flange mounting, spline input shaft. Variable displacement adjusts flow according to working load to reduce power