Part No. 102521
S-40 • S-45
2 - 11
Section 2 • Specifications
October 2013
SPECIFICATIONS
Perkins 704-30 Engine
Displacement
183 cu in
2.9 liters
Number of cylinders
4
Bore and stroke
3.82 x 3.94 inches
97 x 100 mm
Horsepower
63 @ 2600 rpm
47 kW @ 2600 rpm
Firing order
1 - 3 - 4 - 2
Compression ratio
17.5:1
Compression pressure
300 to 500 psi
20.7 to 34.5 bar
Pressure (psi) of lowest cylinder must be within
50 psi (3.45 bar) of highest cylinder
Low idle rpm
1600 rpm
Frequency
246.7 Hz
High idle rpm
2200 rpm
Frequency
339.2 Hz
Governor
centrifugal mechanical
Valve clearance, cold
Intake
0.014 in
0.35 mm
Exhaust
0.014 in
0.35 mm
Lubrication system
Oil pressure
41 psi
(at 2600 rpm)
2.8 bar
Oil capacity
7.3 quarts
(including filter)
8.3 liters
Oil viscosity requirements
below 68°F / 20°C (synthetic)
5W-20
5°F to 104°F / -15°C to 40°C
10W-30
above 14°F / -10°C
15W-40
Engine oil should have properties of API classification
CC/SE. API classification CD/SE or CCMC D4 can be
used, but is not recommended during the first 50 hours
nor for light load applications.
Injection system
Injection pump make
Zexel PFR-KX
Injection pump pressure
(stage one)
2755 psi
190 bar
(stage two)
3336 psi
230 bar
Injector opening pressure
3626 psi
250 bar
Fuel requirement
For fuel requirement, refer to the engine Operator's
Manual on your machine.
Engine coolant
Capacity
11
1
/
2
quarts
10.9 liters
Alternator output
65A, 12V
Battery
Type
12V, Group 31
Quantity
1
Cold cranking ampere
1000A
Reserve capacity @ 25A rate
200 minutes
Fan belt deflection
3
/
8
in
10 mm
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