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Cummins/Onan ISX12 Generator Set

The Cummins/Onan ISX12 is a generator set powered by a Cummins/Onan ISX12 engine. It holds about 800 L (211.3 gal) of oil and 101 L (26.7 gal) of coolant. The set weighs about 1310 kg (2888 lb).

800.0 L
Oil capacity
3
Document types

Specifications

Oil capacity800.0 L
Dry weight1310 kg

Engine

Cummins/Onan ISX12
Oil capacity800.0 L
Coolant capacity101.0 L
Rated speed2100 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Fuel filterFF5776/FF5825/OEM15000 hr buy
Oil filterLF907015000 hr eBay $51.00
Coolant filter—50000 hr find
Fuel filter30,000 mi 48,000 km—6 hr find
Oil30,000 mi 48,000 km2.0—6 hr
Oil filter30,000 mi 48,000 km—6 hr find

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Parts

3
Part #DescriptionQtySystem
CV50626Crankcase Breather Element1Crankcase breather element dieselpartscenter $73.51
FF5825Fuel Filter (Pressure)1Fuel filter buy
LF9070Lubricating Oil Filter1Oil filter eBay $51.00

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h

Available documents

Spec sheetReferenceService manual