OEM 2745947 259-7954 259-7953 hydraulic main pump (4)

Caterpillar 2745947 hydraulic main pump:

Type: Variable displacement axial piston pump

Maximum pressure: 35 MPa (5,076 psi)

Maximum flow rate: 516 L/min (136 US gal/min)

Rated speed: 2000 RPM

Displacement: 170 cc/rev

Control type: Hydraulic servo or manual control

Caterpillar 259-7954 and 259-7953 hydraulic main pumps:

Type: Variable displacement axial piston pump

Maximum pressure: 35 MPa (5,076 psi)

Maximum flow rate: 460 L/min (122 US gal/min)

Rated speed: 2000 RPM

Displacement: 145 cc/rev

Control type: Hydraulic servo or manual control