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Standard features

Engine:

  • Electronic ignition

  • Electronic governor

  • Full-pressure lubrication

  • High-capacity oil sump, spin-on oil filter

  • Solenoid shift starter

  • 60 A, engine-driven battery charger

Control system:

  • Automatic remote starting

  • Controls generator set starting and shutdown

  • Control components designed to withstand the vibration levels typical in generator sets

  • Field circuit breaker

  • High temperature, low oil pressure, overcrank and over speed shutdowns

  • Running time meter

  • 90 A UL Listed circuit breaker

  • DC control fuse

Exhaust muffler:

  • Enclosed exhaust silencer

  • Low noise

Engine details

Engine: GM Industrial, spark-ignited Design: In-line 4-cylinder, liquid-cooled Compression ratio: 10:5:1 Displacement: 181 cu in (3.0 L) Cooling system: 122° F (50 °C) ambient cooling system Oil sump capacity: 4.5 qt (4.3 L) with filter Operating speed: 1800 RPM Gross engine power output, kWm (bhp): 23.8 (31.9)

Load:

1/4

1/2

3/4

Full

Cfh: m³/hr: Gal/hr

59.8 1.7 1.6

78.8 2.7 2.2

97.7 2.8 2.7

116.6 3.3 3.2

©2009 Cummins Power Generation. All Rights Reserved. Cummins®, Onan®, the "C" logo and Performance you rely on.TM are servicemarks, trademarks and/or registered trademarks of Cummins Inc. Specifications are subject to change without notice A-1492b (5/09)

Conversion factor:

    • 8.58

      ft³ = 1 lb

    • 0.535

      m³ = 1 kg

    • 36.39

      ft³ = 1 gal

Alternator details

Design: Brushless, revolving field, single bearing, 4-pole, drip-proof construction.

Insulation system: Class H per NEMA MG1-1.65 and BS2757.

Temperature rise: At rated load is less than 125 °C at standby rating, per NEMA MG1.22.40, IEEE 115 and IEC 34-1.

Exciter type: The excitation system derived is a self-excited (shunt) system with the voltage directly from the generator set output.

Alternator cooling: Direct drive centrifugal blower.

Rotor: Supported by a pre-lubricated maintenance-free ball bearing.

AC wave form total harmonic distortion: less than 5% total no load to full load, less than 3% for any single harmonic.

Generator set performance

Voltage: 120/240 V AC, single phase, 1.0 pf. Governor regulation class: ISO 8528 Part 1 Class 63 Motor starting kVA (at 90% sustained voltage): 46 Voltage regulation: +1%, no load to full load.

Frequency regulation: Isochronous, 0% no load to full load. Random frequency variation: +0.5% at 60 Hz.

Operating temperature: -20 °F (-28.8 °C) to 122 °F (50 °C).

1/4

1/2

3/4

Full

156.3

203.7

251.1

298.4

4.3

5.9

7.6

9.5

Average fuel consumption:

Fuel consumption-natural gas

Fuel consumption-propane

Load:

Cfh: m³/hr:

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