Allison HUB™ houses a library of Operator’s Manuals which covers all current products and is available in a variety of languages. Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. Users are guaranteed to find each printed manual’s latest revision within this online collection. To learn more about how to access our free library of Operator's Manuals, visit our Allison HUB page.