Find the right warranty manual fast.
Use this page to identify the warranty manual that applies to your PSI product. Warranty coverage can vary by product family, engine model, application, and sale date, so selecting the correct manual is an important first step.
How to choose the correct manual
- Warranty coverage depends on the product family, engine model, application, and in some cases the date of sale or build.
- PSI products are grouped into major categories such as Industrial, Heavy Duty, and On Highway.
- Products within the same category may still have different warranty terms, coverage details, or procedures.
- Always review the full manual for the specific product to confirm coverage, exclusions, and claim requirements.
Warranty manual library
PSI Industrial NonRoad Warranty Manual
Version 10.2025
Warranty manual for PSI industrial nonroad products and covered warranty procedures.
PSI HD Warranty Manual GE and GV Series
Version FEB2024.1
Heavy duty warranty manual for PSI GE and GV Series engines and supporting warranty policy details.
32L and Above Engine Warranty and Certified Responsibility Manual
Version 1.2026
Warranty and certified responsibility manual for spark ignited PSI engines in the 32L and above range.
4.5L thru 13L and 20L Warranty Policy and Procedures
Version DEC2023.1
Warranty policy and procedures manual for PSI 4.5L through 13L engines and 20L products.
Weichai Diesel Engine Warranty Manual
Version AP2022.1
Earlier warranty manual edition for Weichai diesel engine products and warranty coverage guidance.
Weichai Diesel Engine Warranty Manual
Version MAR2024.2
Warranty manual covering Weichai diesel engine products and related warranty information.
Coverage guide
Warranty coverage may differ by subsystem or component within the same product. For example, the base engine may have one coverage term, while rotating electrical components such as the starter or alternator may have a different term. Review the applicable warranty manual carefully to understand coverage periods, included components, exclusions, and required claim procedures.
Warranty coverage may differ by subsystem or component within the same product. For example, the base engine may have one coverage term, while rotating electrical components such as the starter or alternator may have a different term. Review the applicable warranty manual carefully to understand coverage periods, included components, exclusions, and required claim procedures.