The Danfoss KRR045D is a hydraulic piston pump in the Danfoss S45 Series hydraulic pump. It's an hydraulic axial piston open circuit pump.
The KRR045D is identified by the code E2NF. It has the following specifications:
K Frame
38Cc/Rev
Cw 13T Spl+Aux
You can buy the KRR045D from:
ADVANCE HYDRAULIC WORKS
hydraulic Axial piston pumps work by moving the pistons forward while the drive shaft rotates. In most cases, the pistons are parallel to the shaft's axis of rotation or slightly inclined at an angle of not more than 45 degrees.