INTRODUCTION
Swing motor
Type
Fixed displacement axial piston motor
Capacity
18.1 cm³/rev
(
1.1 in³/rev
)
Relief pressure
16203 kPa
(
2350 psi
)
Reduction gear type
1 - stage planetary
Travel motor
Type
Variable displacement axial piston motor
Relief pressure
20615 kPa
(
2990 psi
)
Reduction gear type
2-stage planetary
Cylinder
Bore diameter x Rod diameter x Stroke
Ø
60 mm
(
2.4 in
) x Ø
40 mm
(
1.6 in
) x
465 mm
(
18.3 in
)
Boom cylinder
Cushion
Extend only
Bore diameter x Rod diameter x Stroke
Ø
60 mm
(
2.4 in
) x Ø
40 mm
(
1.6 in
) x
400 mm
(
15.7 in
)
Arm cylinder
Cushion
-
Bore diameter x Rod diameter x Stroke
Ø
55 mm
(
2.2 in
) x Ø
35 mm
(
1.4 in
) x
345 mm
(
13.6 in
)
Bucket cylinder
Cushion
-
Bore diameter x Rod diameter x Stroke
Ø
55 mm
(
2.2 in
) x Ø
30 mm
(
1.2 in
) x
355 mm
(
14.0 in
)
Boom swing
cylinder
Cushion
-
Bore diameter x Rod diameter x Stroke
Ø
65 mm
(
2.6 in
) x Ø
30 mm
(
1.2 in
) x
93 mm
(
3.7 in
)
Dozer cylinder
Cushion
-
NOTE:
discoloration of cylinder rod can occur when the friction reduction additive of lubrication oil spreads on the rod
surface.
Discoloration does not cause any harmful effect on the cylinder performance.
Types of shoes – Rubber track
Shoe width
230 mm
(
9.1 in
)
Ground pressure
27.03 kPa
(
3.92 psi
)
Overall width
1250 mm
(
49.2 in
)
Number of rollers and shoes on each side
Track rollers
3
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