Specification Sheet
Performance you rely on.
TM
cumminsonan.com
©2013 Cummins Power Generation Inc. | A-1473e (1/13)
Standard features
• 3 cylinder diesel engine
• Brush type AC alternator
• Digital voltage regulation
• Bottom air inlet and outlet configuration
• Integral enclosed muffler with stationary exhaust pipe
connection point
• USDA approved spark arresting muffler
• Internal radiator
• Sound attenuated housing
• Intake silencer
• Heavy duty air cleaner
• Maintenance free electronic governor
• Regulated-voltage 15 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,
overload and AC alternator over temp 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 side service door
• Automatic timed glow plugs for quick easy start
•
Instant one touch stop
Engine details
Model: Kubota D1503-M
Design: 4-cycle, liquid-cooled diesel engine
Cylinders: 3, inline vertical
Bore: 3.27 in (83 mm)
Stroke: 3.64 in (92.4 mm)
Displacement: 91.44 cu in (1499 cc)
Compression ratio: 23.0:1
Lube oil capacity: 5.9 qt (5.6 L)
Cooling system capacity: 6.6 qt (6.2 L)
Power (max): At 1800 r/min: 24.8 hp (18.5 kW)
(EPA Tier 4)
Starting system: Remote, 12 V
Fuel injection pump: Bosch
Combustion chamber: IDI
Alternator details
Design: Cummins Onan, brush type; drip-proof
construction, 4 pole
Insulation system: Class H per NEMA MG1-1.66
Exciter system: Electronic voltage regulator
Bearings: Double sealed pre-lubricated ball bearing
Cooling: Direct drive centrifugal blower
Typical fuel consumption
No. 2 diesel fuel,
Gal/hr (L/hr) No load Half load Full load
10.0 HDKCC
0.33 (1.2) 0.54 (2) 0.78 (3)
Generator set performance
Frequency regulation
No load/Full load ±0.1%
Frequency variation
Constant load ±0.6%
Voltage regulation
No load/Full load ±2%
Voltage variation
Constant load ±0.5%




