Sauer Danfoss 40 Series - M25 Variable Pump; M35 Variable Pump (M44 Similar); M46 Variable Pump

520L0635 • Rev EH • June 2009
8
Series 40 Axial Piston Pumps
Technical Information
General description
M25 VARIABLE PUMP
Input
shaft
Auxiliary
pad
Trunnion
Charge check and
high pressure relief
valve with bypass
Charge relief
valve
Swashplate
Piston
Cylinder
block
Ball
bearing
Valve plate
P100 583E
M35 VARIABLE PUMP
(M44 SIMILAR)
Input
shaft
Auxiliary
pad
Trunnion
Charge check and
high pressure relief
valve with bypass
Charge relief
valve
Charge
pump
Swashplate
Cylinder
block
Ball
bearing
Valve plate
Piston
P100 584E
M46 VARIABLE PUMP
Input
shaf
t
A uxilia ry
pad
Co ntro
l
Charge check/
high pressure relie f
va lv e
Charge relie f
va lv
e
Bypass
va lv
e
Charge
pum p
Va lv e plat e
Piston
Cy linder
bloc k
Cradl e
swashplat e
Ball
bearin
g
P100 585E