Cummins Onan RS SERIES 20 / 20KW


Cummins Onan RS SERIES 20 / 20KW

SKU: SKU 145 Category:


Contact us regarding installation,shipping,transfer switch options, remote monitoring etc.

RS Series 20000 Natural Gas and Propane Residential Power Generators and

20 kW DieselLight Commercial Power Generators

  • Very quiet operation

  • Aluminum weather resistant housing

  • Fully automatic operation when used with a Cummins Onan automatic transfer panel

  • Available for use with natural gas or LP vapor

  • Attractive and discreet housing

  • Electronic governor for precise frequency control

  • Includes 120 V coolant heater

  • Listed to UL 2200




  • 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 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


Model Ratings: Specification Sheet



 The Cummins Onan RS20000 home standby system comes with a standard 2-year warranty. Additional 2- and 5-year warranty options are available. See your certified distributor or dealer for details. This product is EPA Emissions certified for emergency standby use only.                                                                                                                                                                                                                                                                                                                                                                                                      



1105 lb (501 kg)


Footprint dimensions (for recommended installation): length 64.4 in (1635 mm), width 30 in (762 mm), height 46.7 in (1184.89 mm)
Overall dimensions: length 85.3 in (2166.68 mm), width 30 in (762 mm), height 46.7 in (1184.89 mm)


66 dB(A) at 7 m, at full load




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