Ford Lrg-425 Efi Engine - Genie GS-3390 Service Manual

Section 2 • Specifications
SPECIFICATIONS

Ford LRG-425 EFI Engine

Displacement
Number of cylinders
Bore & stroke
Horsepower
Firing order
Low idle (computer controlled)
High idle (computer controlled)
Compression ratio
Compression pressure (approx.)
Pressure (psi or bar) of lowest cylinder must be
at least 75% of highest cylinder
Valve clearances -
collapsed tappet
Lubrication system
Oil pressure
(operating temperature @ 2500 rpm)
Oil capacity
(including filter)
Oil viscosity requirements
Units ship with 15W-40.
Extreme operating temperatures may require the use of
alternative engine oils. For oil requirements, refer to the
EngienOperator Handbook on your machine.
Ignition system
Spark plug type
(before serial number GS9004-41694)
Spark plug type
(after serial number GS9004-41693)
Spark plug gap
2 - 6
153 cu in
2.5 liters
4
3.78 x 3.4 inches
96.01 x 86.36 mm
70 @ 2500 rpm
52 kw @ 2500 rpm
1 - 3 - 4 - 2
1600 rpm
320 Hz
2500 rpm
500 Hz
9.4:1
0.035 to 0.055 inches
0.889 to 1.397 mm
40 to 60 psi
2.75 to 4.1 bar
4.5 quarts
4.3 liters
Motorcraft AWSF-52-C
Motorcraft AGSF-32-FM
0.042 to 0.046 inches
1.07 to 1.17 mm
GS-3390 • GS-4390 • GS-5390
Engine coolant
Capacity
Starter motor
Normal engine cranking speed
Current draw, normal load
Current draw, maximum load
Circuit voltage drop
while starting, maximum (normal temperature)
Brush length, minimum
Commutator run-out, maximum
Electronic fuel pump
Fuel pressure, static
Fuel flow rate
Alternator
Output
Battery (before serial number 40516)
Type
Group
Quantity
Cold cranking ampere
Reserve capacity @ 25A rate
Battery (after serial number 40515)
Type
Group
Quantity
Cold cranking ampere @ 0°F
Reserve capacity @ 25A rate
July 2007
REV G
11.5 quarts
10.9 liters
200 to 250 rpm
140-200A
800A
0.5V DC
0.25 in
6.35 mm
0.005 inches
0.127 mm
63 psi
4.3 bar
0.58 gpm
2.2 L/min
95A, 14.5V DC
12V DC
34/78
1
900A
125 minutes
12V DC
31
1
1000A
200 minutes
Part No. 72863