Spec Sheet

Cummins
®
, Onan
®
, the "C" logo, Performance you rely on.
TM
and Quiet Diesel
TM
are
servicemarks, trademarks and/or registered trademarks of Cummins Inc.
Specifications are subject to change without notice
©2010 Cummins Power Generation. All Rights Reserved.
A-1486b (8/10)
Standard features
Engine details
3-cylinder diesel engine
Permanent magnet alternator
Pure sine wave output
Digital voltage regulation with no adjustments required
Bottom air inlet and outlet configuration
Integral enclosed muffler with stationary exhaust pipe
connection point
USDA approved spark arrestor
Internal radiator
Sound insulated cover with cooling air inlet and outlet
ducts
Intake silencer
Heavy-duty air cleaner
Maintenance-free electronic governor
Fused DC circuits
Automotive type starter
10 A battery charging
Hour meter
Waterproof connector for remote operation
Focalized mounting system with 3-point vibration
isolation
Over voltage, low oil pressure, over temp, over speed
and overload safeties
Bulkhead type connections for fuel and battery
Terminal block connection for AC output
Electric fuel pump
Fuel filter
Full flow oil filter
Service and maintenance from below or side service
access panel
Automatic timed glow plugs for quick easy start
Instant one touch stop
Water resistant controls
Model: Kubota 722
Design: 4-cycle, liquid-cooled diesel engine
Cylinders: 3, inline vertical
Bore: 2.64 in (67 mm)
Stroke: 2.68 in (68 mm)
Displacement: 43.88 in
3
(719 cm
3
)
Compression ratio: 23:1
Lube oil capacity: 2.8 qt (2.61 L)
Cooling system capacity: 4 qt (4.2 L)
Power (max): At 3600 r/min: 16.6 hp
SAE net intermittent
Starting system: Remote, 12 V
Fuel injection pump: Bosch MD type
Combustion chamber: Spherical (T.V.C.S.)
Typical fuel consumption
No. 2 diesel fuel, Gal/hr (L/hr)
No load
Half load Full load
6.0 HDKAV
0.21 (0.79) 0.40 (1.50) 0.70 (2.65)
7.5 HDKAT
0.21 (0.79) 0.56 (2.12) 0.96 (3.63)
8.0 HDKAU
0.21 (0.79) 0.61 (2.31) 1.02 (3.86)
Alternator details
Generator set performance
Design: Cummins Onan, permanent magnet
Insulation system: Class H
Exciter system: None
Brushes: None
Bearings: None
Cooling: Main engine fan cooled
Control
- Microprocessor control
- Integrated generator set and engine control
- User and service personnel accessible diagnostics
- Fused DC circuits
- Over voltage safety
- Hour meter
- Water resistant control switches
- Low oil pressure safety
- Over speed safety
- Overload safety
- Automatic times glow plugs
- One touch stop
No load/full load Constant load
Voltage regulation:
±1% ±2%
Frequency regulation:
±0.1% ±0.5%