
Find the right diesel engine.
Know what you’re buying.
Used, rebuilt, remanufactured and new surplus diesel engines for trucks and equipment. Browse actual engine photos and specifications, then talk with JSJ about the right match for your application.
Shop diesel engines by model
Go straight to the engine family you need. Confirm the serial number, CPL or arrangement number with our team before purchasing.
Featured diesel engines
Explore photos and specifications from our inventory. Call to confirm availability, included components and your complete quote.


1996 Cat 3406b

2021 Caterpillar C2.2

2020 Perkins 854T

2019 Caterpillar C4.4

2012 Cummins ISX - FULL REMAN!

2024 Cummins 6BT Power Unit

2006 Cummins QST30-G1

2019 Cummins X15

2013 Cummins ISX15

2020 Cummins ISX

1999 Caterpillar 3406E
The right match matters
Send your engine tag and application details. We help compare the configuration so you can make an informed purchase.
See the engine details
Review listing photos and ask for the available run video and condition information for the engine you are considering.
Get the terms in writing
Your quote identifies the engine, shipping charges and applicable warranty. Coverage varies by engine and condition.
Before you order
What information do you need to match my engine?
Send the engine make, model, serial number, application and required horsepower. For Cummins engines, include the CPL if available; for Caterpillar engines, include the serial prefix and arrangement number.
Can you arrange shipping?
Ask for a freight quote with your destination ZIP code and delivery requirements. Review our shipping information before arranging delivery.
What warranty comes with the engine?
Warranty terms depend on the engine and condition. Review the warranty on your written quote before purchasing, and ask our team about anything that needs clarification.
Don’t see your engine?
Our online listings are only part of the conversation. Tell us what you need and we’ll check availability.
Tell us what you need