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Filing a warranty claim with One Warranty is easier, faster and you’ll get better claim visibility compared to filing a paper claim. Follow the instructions below to submit your claim or view our helpful tutorials to get started.

Follow these simple steps to file for our warranty
  1. Purchase the needed part(s)
  2. Repair your vehicle
    • Gather failure or defect evidence along with preapprovals when applicable
    • Perform repairs or use one of our McNeilus/Oshkosh branches or Authorized Warranty Service Centers and retain parts until claim disposition is complete
    • Repairs need to be made within 30 days from the failure date
  3. Complete and submit a single warranty claim form per truck within 30 days of repair
    • Complete your claim through One Warranty or with a warranty claim form - please indicate if the claim is for a replacement part or original equipment
    • Email or fax (507.374.6863) the warranty claim form to the McNeilus / Oshkosh Warranty Department with the following information:
    • Warranty team members will review your claim for legitimacy and completeness
    • McNeilus will generate warranty claim number
    • If no parts are required for return or non-warranty, claim is approved or denied
  4. If applicable, obtain a Return Goods Authorization, and clean and prepare the old part for shipment
    • Part return required: RGA is generated and forwarded to customer with return instructions
    • Customer follows instructions and returns parts to McNeilus / Oshkosh Warranty
    • Part(s) are received and evaluated by McNeilus warranty and claim processed with disposition
    • Customer receives disposition: credit/denial which can be viewed on the One Warranty site
  5. If you have any questions about warranty or the process, please contact the Warranty Department at 507.374.8837
One Warranty Training and Setup

The below videos will guide you through filing your warranty claim. Adobe Flash Player is required to view the tutorials. Adobe Flash Player can be downloaded for free at this link

If you need a One Warranty user login, please email with the following information:


Job Title:

Address: (list each location if submitting for more than one)



If you would like additional training, please contact McNeilus at

How-to Videos & Instruction
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