Piston Motor (Axle Propel)
SMCS Code: 4351; 5058
Part No.: 123-5260
Axle Propel Motor
(1) Drive shaft. (2) Motor case. (3) Retainer. (4) Pistons. (5) Spring. (6) Barrel. (7) Minimum displacement adjustment screw. (8)
Head. (9) Valve spool. (10) Flushing valve. (11) Control piston. (12) Maximum displacement adjustment screw. (13) Control lens.
(14) Control slot. (15) Control slot. (16) Pivot Pin.
The axle propel motor is a variable displacement axial piston
motor with a bent axis. The axle propel motor in LOW speed
has the following characteristics:
The axle propel motor in HIGH speed has the following
In LOW speed, the motor has a displacement of 55 cc/rev
(3.35 cu in/rev). In HIGH speed, the motor has a displacement
of 28 cc/rev (1.71 cu in/rev). When the machine is shifted from
LOW to HIGH, the displacement and the torque of the axle
propel motor are decreased by one half. At the same time, the
rotating speed is doubled. The axle propel motor can operate
in either direction.
Four lines are connected to the motor:
Two high pressure loop lines
One displacement selector pilot line
One case drain line