Check a VIN

January 19, 2026 Service bulletin

This article is intended to provide information for how to program International Engines that have been...

Workhorse technical service bulletin IK2600256 for 2011 Workhorse W22, 2002-2020, 2022 International Workstar and 2008 Workhorse R20 and others.

Bulletin number
IK2600256
Component
Engine
Summary
This article is intended to provide information for how to program International Engines that have been sold to another company and installed in a chassis that does NOT have an International VIN Number. This may include Detroit Series 40 engines, Perkins, Street Sweepers, Cranes, Fire Trucks, Generators, Blower motors, and more.

Vehicles covered

VIN decoder

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Buying a used Workhorse W22?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

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