A man dressed in black with a black and gray baseball hat and black gloves uses a tool to work on a transmission under a vehicle.

Service Information + Tools

As the premier provider of commercial vehicle propulsion systems and solutions, Allison Transmission is dedicated to providing the highest quality service and care for our customers and partners around the world.


Whether you’re looking for information on diagnostics or service tools, you’d like to read a technical publication or you’re interested in training details, we have what you’re looking for.

Allison HUB™

Allison HUB™ provides a centralized location for access to Allison technical information. Access to Allison HUB is available to everyone. Likewise, Allison HUB provides over 1,600 Allison Authorized Distributors and Dealers worldwide with additional resources that support the service of Allison products. Learn more.


Electronic Diagnostics + Tools

When it comes to diagnostics or preventative maintenance, Allison DOC® Universal is critical to making the right call. Allison has developed DOC Universal to meet technicians’ needs, allowing them to monitor and review all control systems critical to your transmission operations. Learn more.



Allison is dedicated to providing our customers and technicians with the latest technical information and resources. To ensure our Allison Authorized facilities are equipped with the latest knowledge, we provide global service information through technical publications. Learn more.



Allison's product training opportunities combine a variety of proven delivery methods to help ensure maximum learning potential for the service professional. We are dedicated to providing our customers, end-users and Allison Authorized Service Network with the latest technical information and training resources. Product training is vital to ensure service personnel and our partners are up to date with their knowledge and skills. Learn more.


Repair and Maintenance Information

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