Milton CAT G40LG 40kw_50kVA Spec Sheet User Manual
Page 2
ENGINE SPECIFICATIONS
General
Cooling System
Make
Generac
Cooling System Type
Pressurized Closed
EPA Emissions Compliance
Stationary Emergency
Water Pump Flow
38 gal/min
EPA Emissions Engine Reference
See Emissions Data Sheet
Fan Type
Pusher
Cylinder #
8
Fan Speed (rpm)
2143
Type
V
Fan Diameter mm (in.)
508 (20)
Displacement - L
5.4
Coolant Heater Wattage
1500
Bore - mm (in.)
90.17 (3.55)
Coolant Heater Standard Voltage
120V
Stroke - mm (in.)
105.92 (4.17)
Compression Ratio
9:1
Intake Air Method
Naturally Aspirated
Number of Main Bearings
4
Fuel System
Connecting Rods
Forged
Fuel Type
Natural Gas, Propane Vapor
Cylinder Head
Aluminum
Carburetor
Down Draft
Cylinder Liners
No
Secondary Fuel Regulator
Standard
Ignition
Single Fire
Fuel Shut Off Solenoid
Standard
Pistons
Aluminum Alloy
Operating Fuel Pressure
8" - 14" H2O*
Crankshaft
Nodular Iron
Lifter Type
Hydraulic
*Fuel pressure must remain within specified range and not drop more than 1
in. w.c. from static (no-load) to full load.
Intake Valve Material
Steel Alloy
Exhaust Valve Material
Hardened Steel
Hardened Valve Seats
Yes
Engine Electrical System
System Voltage
12VDC
Lubrication System
Battery Charging Alternator (Amps)
30
Oil Pump Type
Gear
Battery Size (at 0ºC)
525/700/925CCA
Oil Filter Type
Full-flow spin-on cartridge
Battery Group
24/27/31
Crankcase Capacity - L (qts)
5.7 (6)
Battery Voltage
12VDC
Ground Polarity
Negative
ALTERNATOR SPECIFICATIONS
Standard Model
390
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
Total Harmonic Distortion
<5%
Engine Governing
Telephone Interference Factor (TIF)
<50
Governor
Electronic
Standard Excitation
Brushless
Frequency Regulation (Steady State)
+/- 0.25%
Bearings
Sealed Ball
Coupling
Flexibile Disc
Load Capacity - Standby
40kW
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
UL2200
2 of 5
G40LG
application and engineering data
G40LG 40kW