6
Generac
®
Power Systems, Inc.
Section 1 — General Information
Centurion 11, 13 and 15 kW Air-cooled Generators
1.5 SPECIFICATIONS
1.5.1 GENERATOR
Model 005011
Model 004666
Rated Max. Continuous Power Capacity (Watts*)
11,000 NG/ 11,000 LP
13,000 NG/ 15,000 LP†
Rated Voltage
120/240
120/240
Rated Max. Continuous Load Current (Amps)
120 Volts**
91.6 NG/91.6 LP
108.3 NG/125.0 LP
240 Volts
45.8 NG/45.8 LP
54.2 NG/62.5 LP
Main Line Circuit Breaker
45 Amp
60 Amp/70 Amp†
Phase
1
1
Number of Rotor Poles
2
2
Rated AC Frequency
60 Hz
60 Hz
Power Factor
1
1
Battery Requirement
Group 26/26R 12 Volts and 550
Group 26/26R 12 Volts and 550
Cold-cranking Amperes Minimum
Cold-cranking Amperes Minimum
Weight
470 Pounds
487 Pounds
Output Sound Level
70.5 db (A)
71.5 db (A)
Normal Operating Range
-20°F (28.8°C to 104°F (40°C)
-20°F (28.8°C to 104°F (40°C)
* Maximum wattage and current are subject to and limited by such factors as fuel Btu content, ambient temperature, altitude, engine power and condition, etc. Maximum power
decreases about 3.5 percent for each 1,000 feet above sea level; and also will decrease about 1 percent for each 6° C (10° F) above 16° C (60° F) ambient temperature.
** Load current values shown for 120 volts are maximum TOTAL values for two separate circuits. The maximum current in each circuit must not exceed the value stated for 240 volts.
†
15,000 watt with upgrade kit 04578-1. Kit included power harness and 70 amp 2-pole circuit breaker.
1.5.2 ENGINE
Model 005011
Model 004666
Type of Engine
GT-990
GT-990
Number of Cylinders
2
2
Rated Horsepower
26 @ 3,600 rpm
26 @ 3,600 rpm
Displacement
992cc
992cc
Cylinder Block
Aluminum w/Cast Iron Sleeve
Aluminum w/Cast Iron Sleeve
Valve Arrangement
Overhead Valves
Overhead Valves
Ignition System
Solid-state w/Magneto
Solid-state w/Magneto
Recommended Spark Plug
RC12YC
RC12YC
Spark Plug Gap
0.50 mm (0.020 inch)
0.50 mm (0.020 inch)
Compression Ratio
9.5:1
9.5:1
Starter
12 Vdc
12 Vdc
Oil Capacity Including Filter
Approx. 1.7 Qts
Approx. 1.7 Qts
Recommended Oil Filter
Generac Part # 70185
Generac Part # 70185
Recommended Air Filter
Generac Part # 0C8127
Generac Part # 0C8127
Operating RPM
3,600
3,600