Komatsu PC750-7 Shop Manual page 39

GENERAL
Machine model
Serial Number
Model
Type
No. of cylinders – bore × stroke
Piston displacement
Flywheel horsepower
Max. torque
High idle
Low idle
Min. fuel consumption
Starting motor
Alternator
Battery
Radiator core type
Carrier roller
Track roller
Track shoe
Type
Delivery
Set pressure
Type × No.
Control method
Travel motor
Swing motor
Cylinder type
Inside diameter of cylinder
Outside diameter of piston rod
Stroke
Max. distance between pins
Min. distance between pins
Hydraulic tank
Hydraulic filter
Hydraulic cooler
1. With cushion on head side
PC750, 800-7
4-cycle, water-cooled, in-line, vertical, direct injection,
mm
l {cc}
kW/rpm {HP/rpm}
Nm/rpm {kgm/rpm}
rpm
rpm
g/kWh {g/HPh}
l /min
2
MPa {kg/cm }
Boom
(
mm 200
mm
140
mm
1,950
mm
4,880
mm
2,930
2. With cushion on bottom side
PC800-7
40001 and up
SAA6D140E-3
with turbocharger and aftercooler (air cooled)
6 – 140 × 165
15.24 {15,240}
338/1,800 {454/1,800}
2,138/1,350 {218/1,350}
1,980
825
196 {146.4}
24V, 11 kW
24V, 50A
12V, 170 Ah × 2
CWX-4
3 on each side
8 on each side
Assembly-type double grouser, 47 on each side
Variable displacement piston type:
HPV95+95, HPV95+95, gear type: SAR80+8
Piston type: 490+490, gear type: 136+16
Piston type: 31.4 {320}, gear type: 2.9 {30}
4-spool + 5-spool type × 1
Hydraulic
Piston type (with brake valve, shaft brake):
× 2 (MSF-340VP-EH11)
Piston type (with safety valve, shaft brake):
× 2 (KMF125AB-5)
Arm
1 1 2
) ( , )
Double-acting piston
185
120
1,610
3,990
2,380
Box-shaped, sealed with breather
Tank return side
Air cooled (J4)
SPECIFICATIONS
PC800SE-7
40001 and up
1
Bucket ( )
PC800-7 PC800SE-7
185 225
120 160
1,820 1,420
4,410 3,910
2,590 2,490
01-9
(7)