Current lead times are 1 week.

Central Maine Diesel Inc. (“CMD”) is not affiliated with, sponsored by or otherwise associated with American Honda Motor Company, Inc. (“American Honda”). We purchase genuine Honda® engines and assemble the generator. Honda® is a registered trademark of American Honda.

Our Reduced Price:$

  15,000 Watt Propane/Natural Gas Generator - This unit is suitable for standby power or emergency use and has plenty of power to run your home, job site or business. The generator's simple, compact design allows for easy installation in a variety of applications requiring a small footprint and can be anchored to a concrete pad or operated free standing.

Propane/Natural Gas.
Clean burning, long engine life.

This unit features a Honda GX 690 V-Twin propane/natural gas engine, brushless generator, residential grade muffler, oil pressure shutdown, large capacity automotive style air cleaner, receptacle panel with 120 V and 240 V outlets, welded steel skid frame, vibration isolator mounts, battery cables, 3 year warranty and electric start.


Options   Price
Two-Wire Auto Start+ $699
Low Pressure Regulator (for LP Tank) w/ Hose+ $89
3 Phase Upgrade + $295
50 Hz operation+ $150

Maximum Output 15,000 watts
Continous Output 13,500 watts
Load Amperage at 120 volts ---
Maximum Load 125 Amps
Continous Load 112.5 Amps
Load Amperage at 240 volts ---
Maximum Load 62.5 Amps
Continous Load 56.2 Amps
Sound Level @ 23 ft 74 dB(A)

Model Number EF3000iSEB
Model Honda GXR120
Type 4 Stroke, OHV
Displacement 121 cc
Compression Ratio 8.5:1
Oil Capacity 0.3 qts
Lubrication System Forced Splash
Oil Alert Standard
Cylinder Block Aluminum w/ Cast Iron Sleeve
Bore & Stroke 2.36" x 1.69"
Exhaust Outlet 1" OD Muffler
Idle Control Standard
Fuel Propane
Starting System Recoil

Model Number EF3000iSEB
Consumption at 1/2 load 0.125 GPH
Consumption at 3/4 load 0.206 GPH
Consumption at full load 0.297 GPH

Model Number EF3000iSEB
  1    Eco Throttle Standard
  2    Oil Alert Indicator Standard
  3    Overload Alarm Standard
  4    Output Indicator Standard
  5    Parallel Operation Outlet Standard
  6   Ground Terminal Standard
  7   Circuit Breaker Standard
  8   120 V Duplex NEMA#5-20R 2-20 Amp
  9   DC 12 V 8.3 Amps

Installation Data   
Fuel Inlet Hose Size 3/8"
Fuel Fitting 3/8" FNPT
Fuel Inlet Pressure 11-14" Water Column
Minimum Power Lead Size 0-50 Feet: 6 AWG
51-100 Feet: 4 AWG
No. Power Lead Conductors 4
Exhaust Outlet 1 1/4" OD Muffler Outlet
Battery Type 12 VDC - 400 CCA
Engine Oil Type 10W-30 Synthetic
Exhaust Location & Direction
(Facing Engine)
Service Points
(Facing Engine)
Oil Fill Cap: Right-Side
Oil Filter: Left-Side
Fuel Inlet: Left-Side
Power Output: Right-Side
Control Panel: Right-Side
Air Filter: Front-Side

Maintenance Schedule   
Replace Oil Filter 300 hours / 12 months
Replace Air Filter 300 Hours / 12 months
Replace Spark Plug 300 Hours / 12 months
Exercise Generator Under Load Once each month
Change Oil 200 hours / 6 months

Engine Warranty 3 Years
Generator Warranty 2 Years
100% Coverage for Parts & Labor Standard

Length 30"
Width 21-1/2"
Height 21"
Dry weight 245 lbs


E-Mail Address:  

Central Maine Diesel
29 Carey Circle
Hampden, ME 04444

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

Copyright © 2019 Central Maine Diesel Inc. All rights reserved.