Section 2 • Specifications
REV D
July 2011
2 - 6
GS-2668 RT • GS-3268 RT
Part No. 112657
Kubota D905 Engine Tier 2
Displacement
54.86 cu in
0.898 liters
Number of cylinders
3
Bore and stroke
2.83 x 2.90 inches
72 x 73.6 mm
Horsepower,
Gross intermittent
23.5 @ 3600 rpm
17.5 kW
Firing order
1 - 2 - 3
Compression ratio
23:1
Compression pressure
412 to 469 psi
28.4 to 32.3 bar
Low idle
1500 rpm
Frequency
300 hz
High idle
3000 rpm
Frequency
600 hz
Governor
centrifugal mechanical
Valve clearance, cold
0.0057 to 0.0072 in
0.145 to 0.185 mm
Engine coolant capacity
3.3 quarts
3.1 liters
Lubrication system
Oil pressure
36 to 64 psi
2.48 to 4.41 bar
Oil capacity (including filter)
5.4 quarts
5.1 liters
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.
Injection system
Injection pump make
Bosch MD
Injection timing
18° to 21° BTDC
Injection pump pressure
1991 psi
137 bar
Fuel requirement
For fuel requirements, refer to the engine Operator's
Manual on your machine.
Battery
Type
12V DC
Group
34/78
Quantity
1
Ampere hour
75 A
Cold cranking ampere
900A
Reserve capacity @ 25A rate
125 minutes
Alternator
Output
30A, 14V DC
Fan belt deflection
1
/
4
to
3
/
8
inch
7 to 9 mm
Continuous improvement of our products is a
Genie policy. Product specifications are
subject to change without notice.
SPECIFICATIONS
Summary of Contents for GS-2668 RT
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