Komatsu PC88MR-10 Shop Manual page 73

Machine model
Serial No.
Hydraulic system
Hydraulic pump
Type x quantity
Capacity
Set pressure
Work equipment, travel
Swing, blade
Control valve
Type x quantity
Operating method
Travel motor
Type x quantity
Swing motor
Type x quantity
Hydraulic tank
Hydraulic oil filter
Hydraulic oil cooler
Boom cylinder
Model
Cylinder bore
Piston rod diameter
Stroke
Max. distance between pins
Min. distance between pins
Arm cylinder
Model
Cylinder bore
Piston rod diameter
Stroke
Max. distance between pins
Min. distance between pins
Bucket cylinder
Type
Cylinder bore
Piston rod diameter
Stroke
Max. distance between pins
Min. distance between pins
PC88MR-10
1,650 mm arm
Unit
Variable displacement piston type x 1 pc.
cm 3 /rev
MPa {kg/cm 2 }
Variable displacement swash plate piston type
(with brake valve and parking brake)
Fixed displacement, swash plate, piston type x
(with safety valve and pivot shaft brake)
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
01 Specification
Specifications
PC88MR 10
2,100 mm arm
7001 and up
Gear type x 1 pc.
44 x 2 + 36.6
26.5 {270}
21.1 {215}
9-spool type x 1 pc.
Hydraulic assist type
x 2 pcs.
1 pc.
Box-shaped sealed type
Tank return side
Air cooled
Double-acting piston type
115
65
988
2,393
1,405
Double-acting piston type
100
60
861
2,123
1,262
Double-acting piston type
90
55
710
1,765
1,055
01-7