Kubota Wg972 Engine - Genie GS-2669 RT Service Manual

November 2014

Kubota WG972 Engine

Displacement
Number of cylinders
Bore & stroke
Horsepower, Gross intermittent
Firing order
Compression ratio
Compression pressure
Low idle
Frequency
High idle
Frequency
Governor centrifugal flyweight mechanical
Valve clearances, cold
Engine coolant capacity
Lubrication system
Oil pressure
(operating temperature @ 3850 rpm)
Oil capacity (including filter)
Part No. 229753
58.7 cu in
0.96 liters
3
2.93 x 2.90 inches
74.5 x 73.6 mm
29.0 @ 3200 rpm
21.6 kW @ 3200 rpm
1 - 2 - 3
9.2:1
128 to 185 psi
8.8 to 12.7 bar
1500 rpm
25 hz
3000 rpm
50 hz
0.0057 to 0.0073 inches
0.145 to 0.185 mm
2.4 quarts
2.3 liters
28 to 64 psi
1.9 to 4.4 bar
3.6 quarts
3.4 liters
GS-2669 RT • GS-3369 RT • GS-4069 RT
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
Engine Operator Handbook on your machine.
Fuel pump
Fuel pressure, static
Fuel flow rate
Starter motor
Brush length, new
Brush length wear limit
Brush spring tension
Battery
Type
Group
Quantity
Ampere hour
Cold cranking ampere
Reserve capacity at 25A rate
Section 2 • Specifications
SPECIFICATIONS
2.84 psi
0.19 bar
0.125 gpm
0.47 L/min
0.669 in
17 mm
0.453 in
11.5 mm
50 to 91 ounces
13.7 to 25.5 N
12V DC
34/78
75AH
900A
120 minutes
2 - 7
1