Strip and inspect
We dismantle the engine and assess its main components for wear, damage and the cause of failure.
Cummins diesel engine specialists
Cummins Engine Reconditioning
When a Cummins engine needs more than a straightforward repair, our team can strip, inspect and recondition it properly. We work with Cummins engines used in commercial vehicles, industrial equipment and marine applications.
You can send your engine to our Durham workshop from anywhere in the UK. Speak to us about the engine code, application and symptoms, and we’ll explain what we need next.
Detailed inspectionEvery engine is carefully stripped and assessed before work begins.
Precision engineeringMachining and assembly are carried out to the correct tolerances.
Warranty includedOur reconditioned Cummins engines are supplied with warranty cover.
Recent workshop work
Cummins engines we’ve reconditioned
A selection of Cummins engines completed by the team, including QSB6.7, B4.5 and 4BT units.
Common engine families
Cummins engines we can recondition
We work with a wide range of mechanical and electronically controlled Cummins engines. Common families include:
4BT and 6BT / 6BTAWell-known B Series engines used across plant, industrial and marine applications.
B4.5 and B6.7Widely used four and six-cylinder engines found in agricultural and industrial equipment.
QSB4.5 and QSB6.7Electronic B Series engines used across construction, agriculture, rail and marine applications.
ISB4.5 and ISB6.7Commonly fitted to trucks, buses and specialist commercial vehicles.
ISC / QSC8.3Six-cylinder engines used in heavier commercial, industrial and marine applications.
ISL / QSL8.9Larger-capacity engines used where dependable power and torque are essential.
If your exact Cummins engine code isn’t listed, get in touch. This is only a guide to some of the more common units we see.
Our process
Cummins engine reconditioning, carried out properly
We don’t simply replace the obvious failed part. The engine is checked as a complete unit so the finished build is reliable and ready to work.
Machine and replace
Components are cleaned and machined where required, with worn or damaged parts replaced using quality components.
Rebuild and check
Our experienced technicians rebuild the engine carefully, checking clearances and specifications throughout.
Inside the workshop
See a Cummins engine in our workshop
Watch a closer look at one of the Cummins engines handled by our reconditioning team in Durham.
If you have a similar unit, send us the engine code and a brief description of the fault. We will explain what information we need next.
Ask about your Cummins engine
Why recondition?
A practical alternative to replacing the whole vehicle or machine
A properly reconditioned engine can offer a dependable, cost-conscious route back into service. It also keeps usable components working for longer.
- Lower cost than buying a brand-new replacement engine
- Existing components are recovered and reused where suitable
- Work carried out by an experienced engine reconditioning team
- Warranty supplied with the completed engine
Talk to us about your Cummins engine
Tell us which engine you have and what’s gone wrong. We’ll explain what information we need and the next steps for getting it to our Durham workshop.
Contact Cleasby Engine Services