HomeCummins/OnanCummins/Onan 20RCA/L

Cummins/Onan 20RCA/L Generator Set

The Cummins/Onan 20RCA/L is a Gasoline generator set powered by a Cummins/Onan Standard engine. It is available at 120/240 V, 240/480 V, 220/380 V, 347/600 V, 120/208 V, 127/220 V, 139/240 V, 240/416 V, 254/440 V, 277/480 V, 110/220 V, 115/230 V, 110/190 V, 115/200 V and 230/400 V, 1-phase, 60 Hz and rated 125 A. It holds about 4.5 L (1.2 gal) of oil and 10 L (2.6 gal) of coolant, with a maximum ambient rating of Not specified °C. Starting uses 1 group-Not specified battery at 12 V. The set measures Not specified×Not specified×Not specified mm (None×None×None in), weighs about Not specified kg (None lb) and produces Not specified dBA at Not specified m. An integrated tank holds Not specified L (None gal), roughly Not specified hours of runtime.

4.5 L
Oil capacity
1
Document types

How to read your Cummins/Onan serial & model number →

Specifications

FuelGasoline
Frequency60.0 Hz
Standby kVA116666
EmissionsNot specified
ControllerNot specified
Oil capacity4.5 L
AlternatorCummins/Onan Standard (Class Not specified insulation)
Voltage options120/240 V, 240/480 V, 220/380 V, 347/600 V, 120/208 V, 127/220 V, 139/240 V, 240/416 V, 254/440 V, 277/480 V, 110/220 V, 115/230 V, 110/190 V, 115/200 V, 230/400 V
Phase1
Rated current125 A
Power factorNot specified
Circuit breaker150 A
Battery groupNot specified
Battery voltage12 V
Battery quantity1
Coolant capacity10 L
Max ambientNot specified °C
Tank runtimeNot specified hr

Engine

Cummins/Onan Standard
Oil capacity4.5 L
Coolant capacity10.0 L
AspirationNot specified

Maintenance & consumables

for the Cummins/Onan Standard
ItemSpecCapacityPart #Interval
Air filter503-0821503-0821 PartsGeek
Fuel filter502-0054502-0054 PartsGeek
Oil filter503-0597503-0597 PartsGeek
Belt503-0465503-0465 PartsGeek
Coolant filter505-0017505-0017 PartsGeek

Common questions

What engine does the Cummins/Onan 20RCA/L use?

The Cummins/Onan 20RCA/L is powered by the Cummins/Onan Standard engine.

What fuel does the Cummins/Onan 20RCA/L use?

The Cummins/Onan 20RCA/L runs on Gasoline.

What is the oil capacity of the Cummins/Onan 20RCA/L?

The Cummins/Onan Standard engine in the Cummins/Onan 20RCA/L has an oil capacity of 4.5 liters.

What alternator does the Cummins/Onan 20RCA/L use?

The Cummins/Onan 20RCA/L uses a Cummins/Onan Standard alternator. Insulation class Not specified.

What oil filter does the Cummins/Onan 20RCA/L use?

The Cummins/Onan 20RCA/L uses oil filter part number 503-0597.

What fuel filter does the Cummins/Onan 20RCA/L use?

The Cummins/Onan 20RCA/L uses fuel filter part number 502-0054.

What air filter does the Cummins/Onan 20RCA/L use?

The Cummins/Onan 20RCA/L uses air filter part number 503-0821.

Parts

26model family
Part #DescriptionQtySystem
149A159Gasket - Spacer - BLAKING mfr. pump only1Gasket PartsGeek
149A551Lever, Hand Primer - ONAN mfr. pump only1Pump PartsGeek
149D693Pump, Fuel - ONAN mfr., with primer lever - Replaces earlier atyle pumps used, of any manufacture1Pump PartsGeek
149K526Repair Kit, Fuel Pump - Includes parts marked (*)- For ONAN mfr. or BLAKING mfr. pumps only - If not available, or If pump mfr. {s not known, thett se 149K74 oo...1Fuel pump PartsGeek
149K74Repair Kit, Fuel Pump - Includes parts marked (* anda) - For AC mfr., BLAKING mfr. or ONAN mfr. pumps1Fuel pump PartsGeek
150A668Gasket, Diaphragm Plate1Gasket PartsGeek
150K433Kit, Booster Replacement - Complete with external spring and mount- ing gasket1Gasket PartsGeek
609-65Seal1Seal PartsGeek
A028V752Seal, Valve Stem1Seal PartsGeek
A028V757Seal, Oil1Seal PartsGeek
A028V775Bolt, Connecting Rod2Bolt PartsGeek
A028X316Kit Rod, Connecting (Includes Cap, Bolt, and Rod)1Kit PartsGeek
A028X412Kit, Piston Rings1Kit PartsGeek
A028X507Bolt, Cylinder Head2Bolt PartsGeek
A028X512Bolt, Flange (M13 x 1.5 x 115mm)2Bolt PartsGeek
A028X528Bolt, Crankcase Cover (M8 x 1.25 x 30mm)9Bolt PartsGeek
149-243Retainer, Valve - AC Mir.1Service part / kit PartsGeek
149A539Retainer - Valve Cage - ONAN & BLAKING mfr. pump only.1Service part / kit PartsGeek
149A672Spring, Diaphragm - Replaces #149A931Service part / kit PartsGeek
149A675Spring, Rocker Arm - Replaces #149A941Service part / kit PartsGeek
150A430Bracket, Spring to Governor Link1Service part / kit PartsGeek
192K215Kit Complete Model "D" Starter - Includes Mounting Ring and Ratchet Wheel1Service part / kit PartsGeek
313-8Button, Stop - Replaces #313-111Service part / kit PartsGeek
516A113Pin, Rocker Arm1Service part / kit PartsGeek
A028X508Bolt, Cylinder Head (M10 x 1.25 x 50mm)1Service part / kit PartsGeek
A028X518Bolt, Cylinder Head1Service part / kit PartsGeek

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime100%
Standby100%

Available documents

Parts manual — 910-1029 Onan CK Series Industrial Engine Parts manual (Cummins/Onan)Parts manual — 947-0220 Onan WA (spec F-L) Genset Parts manual (04-1983) (Cummins/Onan)Parts manual — 976-0304 Onan DEH (spec A) Genset Operator's & Parts manual (10-1969) (Cummins/Onan)Parts manual — 981-0266 Onan MKY Parts Manual (10-2010) (Cummins/Onan)

Other sets with this engine