Current lead times are 3 weeks.

Our Reduced Price:$

General Motors 30,000 Watt Propane/Natural Gas Generator - Whether for a work site, cabin, lodge, or standby emergency power, this General Motors will do the job every day. Day after day. This unit operates at 1800 RPM and runs smooth and quiet with its residential-grade muffler, acoustic dampening air intake system and 4 point vibration mounts.

GM Industrial Engine.
Continuous-duty LP/natural gas engine.

This unit features a General Motors, 4 cylinder propane/natural gas engine, cast iron crankcase with replaceable wet-type cylinder liners, electronic governor, full flow lube oil filteration, brushless generator with AVR, liquid cooling, +/- 1% AC voltage regulation to protect your electronics, oil & water safety shutdowns, high volume air filter, steel skid base, muffler for quiet operation, turn-key start and hour meter.

Options   Price
Sound Enclosure + $1,795
Two-Wire Auto Start + $375
200 Amp Automatic Transfer Switch + $1,295

Automatic Voltage Regulation Standard
Is this unit suitable for powering sensitive electronic equipment like a lap top computer? YES - %1 regulation from no load to full load.
Power Single-Phase
Maximum Output 31,000 Watts
Continuous Output 30,000 Watts
Load Amperage at 120 V
Maximum Load 258 amps
Continuous Load 250 amps
Load Amperage at 240 V
Maximum Load 129 amps
Continuous Load 125 amps
Sound Level at Full Load 74 decibels

Model General Motors
Displacement 3.0 L
Type Overhead
Horsepower 50 HP
Capacity (w/ Oil Filter) 5 qts
RPM 1800
Cylinders 4
Cylinder Block Cast Iron w/ Cast Iron Sleeves
Bore & Stroke 4.00 x 3.60 in.1800
Cooling Liquid-Cooling, Pushor Fan
Coolant Capacity Approx. 8 Qts
Governor Electronic Governor
Fuel Propane/Natural Gas
Starting System Electric

Consumption at 1/2 Load 1.9 gallon /hour
Consumption at 3/4 load 2.9 gallons/hour
Consumption at full load 3.3 gallons/hour

Control Panel   
Turn-Key Start Standard
Hour Meter Standard
Water Temperature Shutdown Standard
Oil Pressure Shutdown Standard

Installation Data   
Fuel Inlet Hose Size 1/2"
Mininum Power Lead Size No. 2 AWG
No. Power Lead Conductors 4
Exhaust Outlet 2" OD Muffler Outlet
Coolant Recommendation Mixture: 1/2 Anti-Freeze & 1/2 Water
Radiator Dimensions (L x D x H) 22-3/4" x 9-1/2" x 24"
Fuel Inlet
(Facing Radiator)
Exhuast Direction
(Facing Radiator)
Power Output Location
(Facing Radiator)
Service Points
(Facing Radiator)
Oil Fill: Left-Side
Oil Drain: Left-Side
Air Filter: Left-Side
Oil Filter: Left-Side
Battery Type 12 VDC - 575 CCA
Engine Oil Type SAE 10W-30

Maintenance Schedule   
Replace Oil Filter 500 hours / 12 months
Replace Air Filter 500 hours / 12 months
Replace Engine Coolant 500 hours / 12 months
Exercise Generator Under Load Twice each month
Change Oil 500 hours / 12 months

Engine Warranty 1 Year
Generator Warranty 1 Year
100% Coverage for Parts & Labor Standard

Length 60"
Width 26-1/2"
Height 40"
Dry Weight 1850 lbs


E-Mail Address:  

Central Maine Diesel
29 Carey Circle
Hampden, ME 04444

Phone: 1-207-941-1188
Fax: 1-207-941-1189

Copyright 2018 Central Maine Diesel Inc. All rights reserved.