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International Harvester UV-401 Engine Engine

The International Harvester UV-401 is an engine. It powers generator sets from Cummins/Onan, including the 50KB-3R, 50KB-4R, 60KB-3R and KB Series.

Also known as: International Harvester UV-401

Engine specifications

Generator sets powered by this engine

4
Cummins/Onan 50KB-3RCummins/Onan 50KB-4RCummins/Onan 60KB-3RCummins/Onan KB Series

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter140C524 PartsGeek
Fuel filter503-197 PartsGeek
Oil filter193187R91 PartsGeek

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

Which generators use the International Harvester UV-401 engine?

The International Harvester UV-401 powers 4 generator set(s), including Cummins/Onan 50KB-3R, Cummins/Onan 50KB-4R, Cummins/Onan 60KB-3R, Cummins/Onan KB Series.