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Cummins/Onan GTA28 Generator Set

Cummins/Onan GTA28 generator set: . Specifications, engine details, filters, oil capacity and 4 document types.

4
Document types

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

Specifications

Ratings spec sheet not in our library yet — see the documents below.

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filterIMPCO High Altitude, Low Pressure Gas System (Std) find
Fuel filter find
Oil filterFull Flow Filter Capacity – Replaceable Element Type - U.S. gal. find
Belt find
Coolant
Coolant filter find
OilMulti-viscosity or straight weight single viscosity NATURAL GAS ENGINE OIL that meets Mil-2104A(CB), Mil-2104B (CC), Mil-2104C (CD/SC), CE and CF-4 specification. Ash Content between .15 and .85 of one percent.29.7 gal

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

Parts

2model family
Part #DescriptionQtySystem
G12-425CarburetorCarburetor PartsGeek
G855-425CarburetorCarburetor 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.

Available documents

Engine spec — DS5750Engine spec — gdrivehpEngine spec — gdrivekweEngine spec — genhpEngine spec — indhpSpec sheet — ES5750Spec sheet — genkweoperation_and_maintenance_manual — GTA (Cummins/Onan)spec_sheet — PC5750