Spec Sheet

Cummins
®
, Onan
®
, the “C” logo, Performance you rely on.
TM
and Quiet Gasoline™ are servicemarks and/or registered trademarks of Cummins Inc. Specifications are subject to change without
notice. ©2011 Cummins Power Generation. All Rights Reserved.
A-1425h (2/11)
Standard features
Engine detail
• Mechanical governor adjustable from service side
• Cummins Onan OHV engine
• Pressurized Thru Flow cooling system
• 4-point focalized mounting system with vibration
isolators
• Universal mounting tray with structural capability to
support the generator set in RV applications
• Integral USDA Forest Service-approved spark-arrestor
muffler
• Replaceable dry element air cleaner
• Integral control box
• Instant one-touch stop switch
• Automatic choke
• Fuel filter
• Electric fuel pump (gasoline), electric fuel solenoid
(LPG)
• Positive fuel shutoff (3 psi)
• Enclosed muffler
• Sound-attenuated housing
• Remote waterproof connector
• Automotive type starter with automatic start
disconnect
• Spin-on, full-flow oil filter
• Low oil pressure protection
• Over/under speed protection
• Overcurrent protectors (see Models and ratings
section)
• Low power factor field overcurrent protection
• 120 in (3 m) generator set output leads
• Digital voltage regulation
Model: Cummins Onan OHV EH65V gasoline engine
Design: 4-cycle, OHV, 90-degree V-Twin
Compression ratio: 8:1
Displacement: 39.8 in
3
(653 cm
3
)
Maximum power: Gasoline-fueled models: 12.9 bhp
(9.6 kW), LP-fueled models: 10.7 bhp (8.0 kW)
Cooling: Centrifugal blower, generator set mounted for
high effectiveness, pressurized system, vertical flow
Cooling air volume: Air flow includes engine,
generator set control cooling air flow
60 Hz at 500 ft
3
/min (14.2 m
3
/min)
50 Hz at 417 ft
3
/min (11.8 m
3
/min)
Fuel System: Replaceable dry element air cleaner
- (Gasoline) side-draft carburetor
- Electronic fuel pump with positive fuel shutoff (3 psi), fuel
lift 3 ft (0.9 m)
- Automatic choke with vacuum pull-off
- Combustion air volume at rated load:
14.6 ft
3
/min (0.41 m
3
/min)
- (LPG) side-draft mixer with demand regulator
- Combustion air volume at rated load:
14.9 ft
3
/min (0.42 m
3
/min)
Ignition system: Electronic magneto type with resistor
plugs
Starting system: Remote, 12 V, 3-wire, negative
ground automotive type starter with steel pinion and ring
gear, automatic start disconnect, connector for remote start
cable, start-stop rocker switch mounted on set control
Lubrication: Full pressure positive displacement lube oil
pump, spin-on, full flow lube oil filter, low oil pressure
shutdown, dipstick
Oil capacity: 2.0 qt (1.9 L) including filter
Cylinder crankcase: Alloy aluminum with iron cylinder
liners cast into the block, aluminum oil base
Cylinder head: Aluminum, OHV
Average fuel consumption:
Gasoline No load Half load Full load
60 Hz
0.3 Gal/h (1.3 L/h) 0.6 Gal/h (2.3 L/h) 0.9 Gal/h (3.6 L/h)
LPG: No load Half load Full load
60 Hz
0.4 Gal/h (1.8 lb/h) 0.8 kg/h 0.8 Gal/h (3.3 lb/h) 1.5 kg/h 1.1 Gal/h (4.6 lb/h) 2.1 kg/h
Alternator details
Design: Cummins Onan revolving field, AC, 2-pole self-
excited, two bearing design
Insulation system and temperature rise: Meets
ANSI/RVIA EGS-1 and CSA Electrical Bulletin 946
requirements.
Cooling: Direct drive centrifugal blower. Cast aluminum
housing for excellent heat transfer
Excitation: Capped, digital voltage regulation
Rotor: Laminated electrical steel assembly press-fitted to
shaft, balanced. Heavy insulated copper wire windings;
optimized air gap for improved waveform and motor starting
Stator: Laminated electrical steel assembly, skewed for
improved waveform; heavy insulated copper wire windings
DC brushes: Electrographite; long life
Bearing: Double-sealed pre-lubricated ball bearings
Generator set performance
Air conditioner starting: One 13500 Btu air
conditioner with 3000 W base load or two 11000 Btu air
conditioners with 1500 W base load at 100
° F (38° C) at
500 ft (152.4 m) elevation
Frequency and voltage regulation: No load to full
load, frequency <5%, voltage 1.1%