Used Diesel Engines for Sale — Inspected & Tested UK-Wide
Budget-conscious diesel engine replacement without cutting corners on inspection. Every used engine we supply is assessed, run-tested, and supplied with a written 3-month warranty — delivered anywhere in the UK.
Used diesel engines are the right choice for budget-first replacements, low-value or older vehicles and machinery, or situations where getting back to work quickly at minimum cost is the priority. The key is sourcing from a supplier who actually inspects what they sell — not a parts dealer who cleans an engine and calls it tested.
Every used engine we supply has been assessed for compression, oil pressure, and external condition before listing. We don't sell engines we wouldn't put in our own vehicles. Each unit comes with a written 3-month warranty and a full inspection record — so you know exactly what you're getting before you commit.
The Difference Between an Inspected Used Engine and a Gamble
The used diesel engine market is full of engines sold on description alone — low mileage claimed, condition unknown. We don't operate that way. Every engine in our used stock has been run, had compression and oil pressure recorded, and been checked for obvious wear indicators before it's available to sell.
We record the findings and share them with you. If an engine has a known issue or wear indicator, we'll tell you rather than hope you don't notice after delivery. That's the only way we can warrant what we supply.
- Compression readings recorded and provided
- Oil pressure checked at operating temperature
- External inspection for wear, leaks, and damage
- Written inspection record supplied with engine
When a Used Engine Is the Right Choice
A used diesel engine is the correct choice in several situations: when the vehicle or machinery is low-value and a reconditioned engine isn't economically justified; when the engine is needed for a short-term or temporary application; when budget is the primary constraint and the 3-month warranty coverage is sufficient for the use case. For long-term fleet assets or critical machinery, we'd usually recommend stepping up to a reconditioned unit.
- Older or lower-value vehicles not justifying reconditioned engine cost
- Temporary or short-duration machinery replacement
- Budget-constrained situations where cost is the priority
- Agricultural or plant machinery in lower-intensity use
- Donor engines for rebuild or parts supply
From Stock. Despatched Fast. With a Warranty.
We hold used diesel engines across the most common commercial vehicle, agricultural, and plant applications. For popular engine codes — Cummins ISBe, Perkins 1104, CAT C7, Ford Transit, and similar — we're likely to have the right engine in stock right now.
Same-day despatch on stocked units before 12pm. Next-day UK delivery as standard. You'll have a confirmed despatch date before you pay — not a vague lead time.
- Same-day despatch on stocked engines before 12pm
- Next-day UK-wide delivery as standard
- 3-month written warranty with every unit
Used Engine Exchange Programme
If you have a serviceable core engine — even if it needs work — we operate an exchange programme on many engine types. Your old engine returned as a core can reduce the cost of your replacement significantly, and helps us maintain our reconditioned engine supply for other customers. Ask about exchange pricing when you enquire.
Used, Reconditioned, or New — Which Fits Your Situation?
The right choice depends on the asset value, downtime tolerance, and budget available.
| Option | Typical Cost | Warranty | Lead Time | Best For |
|---|---|---|---|---|
| Used | Lowest | 3 months | From stock | Budget-first, lower-value assets |
| Reconditioned | Mid-range | 12 months parts & labour | 2–5 working days | Working fleets, proven spec |
| New | Highest | OEM warranty | Variable (sourced) | Zero-compromise replacements |
*Every engine — regardless of condition — is supplied with a written inspection record and formal warranty documentation.
Engine Brands We Supply
We stock and supply engines from the world's leading diesel manufacturers. Call with a make, model, or engine code and we'll confirm availability and give you a fixed price.
Cummins
4BT, 6BT, ISBe 4.5 & 6.7, ISCe — used stock across commercial vehicle, agricultural, and marine applications.
Perkins
1004, 1006, 1104, 1106 — used engines for agricultural and construction plant, frequently in stock.
Caterpillar
C7, C9, C13 — used CAT engines for plant, construction, and commercial vehicle applications.
Ford / Transit
Transit 2.2, 2.4, TDCi engines — regularly stocked used units for commercial vehicle applications.
Volkswagen
TDI range for LCV applications — used stock of common 2.0 and 2.5 TDI units.
Iveco / DAF
Tector, Cursor, and DT166/170 units — used HGV engine stock for common Iveco and DAF applications.
Applications & Use Cases
Wherever a diesel engine is critical to operations — on the road, on the water, in the field, or in a plant room — we have the right engine for the job.
Light Commercial Vehicles
Used Transit, TDCi, and LCV engines — budget fleet replacement at lower cost.
Agricultural Machinery
Perkins and Cummins used stock for tractors and farm machinery in lower-intensity use.
Construction Plant
CAT and Perkins used engines for excavators and plant not justifying reconditioned cost.
Marine & Canal Boats
Used marine diesel engines for canal boats and leisure craft at reduced cost.
Backup Power
Used generator engines for non-critical standby applications.
Industrial Equipment
Used engines for lower-duty industrial plant and fixed machinery.
We needed a stop-gap engine for a Transit while we decided whether to keep the van. Commercial Engines had a used 2.4 TDCi in stock, sent over the compression readings before I committed, and it was on the van the next day. Exactly what we needed — no surprises.