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Automatic Isuzu 21,000 Watt Diesel Generator

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Starts and stops automatically with weekly exerciser for self-testing. When the power goes out you don't have to do a thing! This Isuzu diesel is suitable for continous use and is the most fuel efficient diesel generator in its class.

Like all Central Maine Diesel generators, this unit is fully customizable. From fuel tanks to controls to 3 phase upgrades, you choose the option that is right for you! And, as an added benefit, you will always have the flexibility to upgrade options later.

This brawny little four cylinder set has plenty of power to run your home, job site or business. This unit includes an Isuzu 4LE1 4 cylinder 1800 RPM diesel engine, brushless generator end, liquid cooling, muffler, aluminum radiator w/ fan guards (pushor fan), 40 amp DC alternator, air filter, vibration mounts, automatic voltage regulation, fast-acting glow plugs for cold starting, auto shutdowns for low oil/high water temperature, sound attenuated enclosure and 100 amp automatic transfer switch with weekly exerciser for self-testing.

Options   Price
60 Gallon Subbase Fuel Tank + $2375
100 Gallon Subbase Fuel Tank + $2575
3 Phase Upgrade+ $345
Block Heater + $375

Electrical Specifications -
Automatic Voltage Regulator Standard
Voltage Regulation (No Load to Full Load) 1%
Power Single-Phase ---
Maximum Output 21,000 watts
Continous Output 20,000 watts
Load Amperage at 120 volts ---
Maximum Load 175 Amps
Continous Load 166.7 Amps
Load Amperage at 240 volts ---
Maximum Load 87.5 Amps
Continous Load 83.3 Amps
Sound Level @ 23 ft(7 m) at full load 71 dB(A)

Model Isuzu 4LE1
Type Vertical In-Line, Indirect Injection
Horsepower 32 HP
Oil Capacity (w/ Oil Filter) Approx. 8.1 qts
RPM 1800
Cylinders 4
Cylinder Block Aluminum w/ Cast Iron Sleeves
Bore & Stroke 3.35 x 3.78 in.
Cooling Liquid-Cooling, Pushor Fan
Coolant Capacity Approx. 7.5 Qts
Fuel No. 2 Diesel
Electric Fuel Pump 12 V - Standard
Cold Weather Starting Aid Glow Plugs
Starting System Electric

Consumption at 1/2 load 0.98 gallons/hour
Consumption at 3/4 load 1.41 gallons/hour
Consumption at full load 1.81 gallons/hour

Automatic Transfer Switch
Current Rating (Amps) 100
Voltage Rating (VAC) 250
Weekly Exercise Standard
UL Listed Standard
Pre-Wired Circuits MLS4-Y
15 Amp 120 V 5
20 Amp 120 V 3
20 Amp 240 V 1
30 Amp 240 1
Dimensions MLS4-Y
Height 26"
Width 14.25"
Depth 6"

Control Panel
Auto Start Standard
Push Button Start/Stop Standard
Adjustable Engine Exerciser Standard
Engine Preheat Standard
Circuit Breaker 10 Amps - Resetable
Hourmeter Standard

Installation Data
Fuel Inlet Hose Size 3/8"
Fuel Return Hose Size 5/16"
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
Battery Requirement 12 VDC - 525 CCA - Not Included
Engine Oil Requirement 10w-30 Synthetic
Air Flow Direction
(Facing Radiator)
Inlet: Back-Side
Outlet: Front-Side
Exhaust Direction
(Facing Radiator)
Fuel Inlet Direction
(Facing Radiator)
Power Output Direction
(Facing Radiator)

Engine Warranty 2 Years
Generator Warranty 1 Year
100% Coverage for Parts & Labor Standard

Length 57.25 inches
Width 32.5 inches
Height 37.75 inches
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

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