INTRODUCTION
Machine specifications
Engine
Model
Mitsubishi L3E
Type
4-cycle vertical overhead valve, diesel fuel
Cooling method
Water cooling
Number of cylinders and arrangement
3 cylinders, in-line
Firing order
1 - 3 - 2
Combustion chamber type
Swirl chamber type
Cylinder bore x stroke
76 mm
(
2.99 in
) x
70 mm
(
2.76 in
)
Piston displacement
952 cm³
(
58.1 in³
)
Compression ratio
23 : 1
Rated gross horse power ( SAE J1995)
12.5 kW
(
17.0 Hp
) at
2300 RPM
Maximum torque at
1600 RPM
52.9 N·m
(
39 lb ft
)
Engine oil quantity
4.2 L
(
1.1 US gal
)
Dry weight
75 kg
(
165 lb
)
High idling speed
2400 – 2500 RPM
Low idling speed
1640 – 1660 RPM
Rated fuel consumption
208 g/Hp·hr at
2300 RPM
( 279 g/kW·hr at
2300 RPM
)
Starting motor
12 V
,
1.7 kW
Alternator
12 V
,
40 A
Battery
1 x
12 V
x
80 A·h
Main pump
Type
Variable displacement tandem axis piston pumps
Capacity
2 x
7.4 cm³/rev
(
0.5 in³/rev
)
Rated oil flow
2 x
17 L/min
(
4.5 US gpm
)
Rated speed
2300 RPM
Gear pump
Type
Fixed displacement gear pump single stage
Capacity
4.5 – 2.7 cm³/rev
(
0.3 – 0.2 in³/rev
)
Rated oil flow
10.4 – 6.2 L/min
(
2.7 – 1.6 US gpm
)
Main control valve
Type
Sectional, 9 spools (12 blocks)
Operating method
Hydraulic pilot system
Main relief valve pressure
20615 kPa
(
2990 psi
)
Overload relief valve pressure
22546 kPa
(
3270 psi
)
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