Section 2 • Specifications
REV D
July 2011
Part No. 112657
GS-2668 RT • GS-3268 RT
2 - 9
SPECIFICATIONS
Perkins 403C-11 Engine
Displacement
68.9 cu in
1.13 liters
Number of cylinders
3
Bore and stroke
3.03 x 3.19 inches
77 x 81 mm
Horsepower,
gross intermittent
26.1 @ 3000 rpm
19.5 kW
Firing order
1 - 2 - 3
Compression ratio
23:1
Compression pressure
425 psi
29.3 bar
Pressure of the lowest cylinder must be within
50 psi / 3.45 bar of the highest cylinder, though
at no time less than 360 psi / 24.8 bar
Low idle
1500 rpm
Frequency
300 hz
High idle
3000 rpm
Frequency
600 hz
Governor
all-speed mechanical
Valve clearance, cold
0.0078 in
0.2 mm
Engine coolant capacity
3.28 quarts
3.1 liters
Engine coolant should be clean soft water with 50% anti
freeze concentration ethylene glycol to BS 6580:1992 or
ASTMD 3306-89 or AS 2108-1977
Lubrication system
Oil pressure
40 to 60 psi
(hot @ 2000 rpm)
2.76 to 4.14 bar
Oil capacity (including filter)
4.3 quarts
4.07 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
Injection timing
23° BTDC @ 3000 rpm
Injection pump pressure
2133 psi
150 bar
Fuel requirement
diesel number 2-D
Battery
Type
12V DC
Group
34/78
Quantity
1
Ampere hour
75AH
Cold cranking ampere
900A
Reserve capacity @ 25A rate
125 minutes
Alternator
Output
40A, 12V DC
Fan belt deflection
3
/
16
inch
5 mm
Continuous improvement of our products is a
Genie policy. Product specifications are
subject to change without notice.
Summary of Contents for GS-2668 RT
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