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Cummins/Onan X15 Generator Set

The Cummins/Onan X15 is a 336 kW (450 kVA) prime generator set powered by a Cummins/Onan XPI Fuel System engine. The set measures 1711.6×1067.2×1234.4 mm (67.4×42.0×48.6 in) and weighs about 1724 kg (3801 lb).

14.9 L
Displacement
4
Document types

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

Specifications

Prime power336 kW
Emissions2,3
Dimensions (L×W×H)1711×1067×1234 mm
Dry weight1724 kg

Engine

Cummins/Onan XPI Fuel System
Displacement14.9 L
AspirationTurbocharged / Aftercooled
Rated speed2100 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter— find
Fuel filterFuel Filter—25000 hr find
Oil filterFleetguard oil filter LF14001NNLF14001NN kuduparts $104.00
Belt— find
Coolant filterCoolant filter1—1800 hr find
OilLubricating Oil System—500 hr

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

Common questions

What engine does the Cummins/Onan X15 use?

The Cummins/Onan X15 is powered by the Cummins/Onan XPI Fuel System engine.

Parts

2
Part #DescriptionQtySystem
FF5825NNFuel filter1Fuel filter Amazon eBay $107.00
LF14000NNOil filter1Oil filter Amazon eBay $111.00

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
Continuous90.924.0
Prime88.423.3

Available documents

Engine specSpec sheetReferenceOwner's manual