Milton CAT G275LG 275kW_344kVA Spec Sheet User Manual
Page 2

ENGINE SPECIFICATIONS
General
Cooling System
Make
Generac
Cooling System Type
Pressurized, Closed Recovery
EPA Emissions Compliance
Stationary Emergency
Water Pump Flow
54 gal/min
EPA Emissions Reference
See Emissions Data Sheet
Fan Type
Puller
Cylinder #
6
Fan Speed (rpm)
1632
Type
Inline
Fan Diameter mm (in.)
990 (39)
Displacement - L
13.3
Coolant Heater Wattage
2000
Bore - mm (in.)
136.91 (5.39)
Coolant Heater Standard Voltage
240VAC
Stroke - mm (in.)
150.11 (5.91)
Compression Ratio
10.5:1
Fuel System
Intake Air Method
Turbocharged/Aftercooled
Fuel Type
Natural Gas
Number of Main Bearings
7
Carburetor
Down Draft
Connecting Rods
Carbon Steel
Secondary Fuel Regulator
Standard
Cylinder Head
Cast Iron, Overhead Valve
Fuel Shut Off Solenoid
Standard
Cylinder Liners
Wet, Replaceable
Operating Fuel Pressure
11" - 15" H
2
O
Ignition
Altronic CD1
Pistons
Heat Resistant Alloy
Engine Electrical System
Crankshaft
Die-Forged Carbon Steel
System Voltage
24VDC
Lifter Type
Solid
Battery Charging Alternator
Std
Intake Valve Material
Special Heat-Resistant Steel
Battery Size (at 0ºC)
1155 CCA
Exhaust Valve Material
Iconel Alloy, High Temp
Battery Group
8D
Hardened Valve Seats
High Temp Alloy Stellite Faced
Battery Voltage
12VDC
Ground Polarity
Negative
Lubrication System
Oil Pump Type
Gear
Oil Filter Type
Full-Flow, Cartridge
Crankcase Capacity - L (qts)
27 (28.5)
ALTERNATOR SPECIFICATIONS
Standard Model
520mm
Voltage Regulator Type
Full Digital
Poles
4
Number of Sensed Phases
3
Field Type
Revolving
Regulation Accuracy (Steady State)
± 0.25%
Insulation Class - Rotor
H
Insulation Class - Stator
H
Engine Governing
Total Harmonic Distortion
< 5%
Governor
Electronic
Telephone Interference Factor (TIF)
< 50
Frequency Regulation (Steady State)
± 0.25%
Standard Excitation
Permanent Magnent
Bearings
Sealed Ball
Coupling
Gear Drive
Load Capacity - Standby
100%
Prototype Short Circuit Test
Yes
CODES AND STANDARDS COMPLIANCE (WHERE APPLICABLE)
NFPA 99
BS5514
NFPA 110
SAE J1349
ISO 8528-5
DIN6271
ISO 1708A.5
IEEE C62.41 TESTING
ISO 3046
NEMA ICS 1
2 of 5
Rating Definitions:
Standby – Applicable for a varying emergency load for the duration of a utility power outage with no overload capability. (Max. load factor = 70%)
Prime – Applicable for supplying power to a varying load in lieu of utility for an unlimited amount of running time. (Max. load factor = 80%) A 10% overload capacity is available for 1 out of every
12 hours.
G275LG
application and engineering data
G275LG 275kW
24VDC
Std
1155 CCA
8D
(2) 12VDC
Negative