Hst Motor - Komatsu WA250-6 Shop Manual

SEN03826-00

HST motor

a HST: Abbreviation for HydroStatic Transmission

HST motor 1

1. Drive shaft
2. Piston
3. Cylinder block
4. Port plate
5. EP servo valve
16
10-200
Specifications
Model name
Type
Theoretical delivery
(cc/rev)
High-pressure relief valve
set pressure
(MPa {kg/cm })
2
High-pressure cutoff
valve set pressure
(MPa {kg/cm })
2
Low-pressure relief valve
set pressure
(MPa {kg/cm })
2
200 Power train
HST motor
A6VM107EP
Variable displacement bent
axis type piston motor
0 – 107
44.1 {450}
Effective differential pressure
41.2 {420}
2.45 {25}
WA250, 250PZ-6
1