Ford Lrg 423 Engine Specifications - Genie S-65 Service Manual

Section 2 - Specifications
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SPECIFICATIONS
Ford Engine LRG-423
Displacement
Number of cylinders
Bore & stroke
Horsepower
Firing order
Low idle - carburetor
Low idle - electronic governor
High idle
Governor
Compression ratio
Compression pressure (approx.)
Pressure (psi) of lowest cylinder must be
at least 75% of highest cylinder
Valve clearances -
collapsed tappet
Lubrication system
Oil pressure
(operating temp. @ 2000 rpm)
Oil capacity
(including filter)
Oil viscosity requirements
Temperature below 60°F / 15.5°C
-10°F to 90°F / -23°C to 32°C
Temperature above
-10°F / -23°C
Temperature above
20°F / -6.6°C
Use oils meeting API classification SG (labeled SG/CC
or SG/CD) as they offer improved wear protection.
Units ship with 10W-40 SG/CC.
2 - 4
Starter motor
140 cu in
2.3 liters
Normal engine cranking speed
4
Current draw, normal load
3.781 x 3.126 inches
Current draw, maximum load
96.04 x 79.4 mm
Current draw, minimum
63 @ 4000 rpm
Maximum circuit voltage drop
1 - 3 - 4 - 2
while starting (normal temperature)
900 rpm
Brush length, new
1600 rpm
2500 rpm Brush length wear limit
electronic
Brush spring tension
9.4:1
Bolt torque
through brush
Brush mounting
0.035 to 0.055 inches
bolt torque
0.889 to 1.397 mm
Maximum commutator
run-out
40 to 60 psi
Battery
2.75 to 4.1 bar
Type
5 quarts
Quantity
4.7 liters
Cold cranking ampere
5W-30 Reserve capacity @ 25A rate
10W-30 Fuel pump
10W-40 to 10W-50 Electronic solenoid
20W-40 or 20W-50
Genie S-60 & Genie S-65
Service Manual - Second Edition
200 to 250 rpm
64 ounces
18 Newtons
45 to 84 inch-pounds
5.08 to 9.5 Nm
15 to 20 foot-pounds
20 to 27 Nm
0.005 inches
0.127 mm
12V, Group 31
200 minutes
Part No. 48412
170A
200A
140A
0.5V DC
0.66 in
16.8 mm
0.25 in
6.35 mm
1
1000A
7 psi
0.48 bar