Heavy-duty, 1800 RPM propane/natural gas generators. Compliant for applications that only operate upon
the loss of a normal power source such as utility.

Our Reduced Price:$
21,000 Watt Propane/Natural Gas Generator - Whether for a work site, cabin, lodge, or standby emergency power, this propane/natural gas generator will do the job every day. Day after day.

Industrial Engine.
1800 RPM 4 cylinder propane/natural gas engine.

This unit features a 4 cylinder natural gas engine, cast iron crankcase with replaceable wet-type cylinder liners, brushless generator with AVR, liquid cooling, +/- 1% AC voltage regulation to protect your electronics, oil & water safety shutdowns and push-button start panel with LCD display.

Options   Price
Two-Wire Auto Start + $799
200 Amp Automatic Transfer Switch + $1995
Critical Muffler + $595

Automatic Voltage Regulation Standard
Is this unit suitable for powering sensitive electronic equipment like a laptop computer? Yes - 1% regulation from no load to full load.
Power Single-Phase ---
Maximum Output 22,000 watts
Continous Output 21,000 watts
Load Amperage at 120 volts ---
Maximum Load 183 Amps
Continous Load 175 Amps
Load Amperage at 240 volts ---
Maximum Load 91.6 Amps
Continous Load 87.5 Amps
Sound Level @ 23 ft(7 m) 74 dB(A)

Displacement 2.4 L
Type Vertical Inline, 4-Cycle
Horsepower (Natural Gas) 42.8 HP
Horsepower (Propane) 46.5 HP
Oil Capacity (w/ Oil Filter) 4.5 qts
RPM 1800
Cylinders 4
Bore & Stroke 3.4" x 3.93 in.
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 1.25 gallons/hour
Consumption at 3/4 load 1.94 gallons/hour
Consumption at full load 2.2 gallons/hour
BTUs 369,000 BTU/hr

Control Panel   
Push-Button Start Standard
Hour Meter Standard
Water Temperature Shutdown Standard
Oil Pressure Shutdown Standard

Installation Data   
Fuel Inlet Hose Size 3/8"
Minimum Power Lead Size No. 4 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)
19-1/2" x 9-1/2" x 19-1/4"
Fuel Inlet
(Facing Radiator)
Exhaust Direction
(Facing Radiator)
Power Output Location
(Facing Radiator)
Service Points
(Facing Radiator)
Oil Fill: Left-Side
Oil Drain: Right-Side
Air Filter: Right-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

Length 68"
Width 31-1/4"
Height 39-3/4"
Dry weight 1295 lbs



E-Mail Address:  

Central Maine Diesel
1185 Hammond St. Suite 11
Bangor, ME 04401

Phone: 1-207-941-1188
Fax: 1-207-941-1189
E-Mail: sales@generatorsales.com

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