Code 3126E
Caterpillar 3126E 7.2L Turbo Diesel Engine (2001, 210hp) for Sale — South Africa
- Used
- Diesel
- 7.2L
In stock, ready to crate
- Warranty cover depends on the unit's condition and make, and is confirmed in writing with your quote before you pay.
- Free delivery anywhere in South Africa on this unit
- Inspected on our floor before dispatch
Engine ID plate
CATERPILLAR · 3126E- Engine code
- Caterpillar 3126E
- Year
- 2001
- Displacement
- 7.2 L (7,242 cc)
- Configuration
- Inline 6-cylinder
- Aspiration
- Turbocharged
- Control
- Electronic
- Bore x stroke
- 110 x 127 mm
- Listed rating
- 210hp (as listed for this unit)
- Family power range
- 170 to 420hp depending on rating
- Condition
- Used
- Warranty
- Confirmed in writing with your quote
The story of this engine
The 3126 was a turning point for Caterpillar: its first electronically controlled mid-range diesel. It is a 7.2-litre turbocharged inline six with a 110 mm bore and 127 mm stroke, and it replaced the mechanical 3116 before being followed by the C7. The B and E versions that came later kept the same hardware and changed the electronics.
This is a 2001 3126E listed at 210hp, which sits towards the lower end of a family that was rated anywhere from 170 to 420hp. The 3126 found work in dump trucks, delivery and fire trucks, buses, motorhomes, cranes and boats, mostly in North America, and many have since come to Africa in imported vehicles.
On a used 3126, look at oil pressure, blow-by and turbo play, and ask how the engine starts and idles, since uneven running can point to injector or electronic faults. Check for coolant leaks and listen for knocking under load.
Workshops value the 3126 because it is a sturdy medium-duty block with good parts availability, and plug-in diagnostics make faults easier to trace than on older engines. Send us your engine serial and ECM details on WhatsApp so we can confirm the match.
Compatible vehicles in South Africa
| Model | Years | SA variant names |
|---|---|---|
| Medium-duty trucks (dump, delivery, fire) | 1995 to 2003 | Confirm arrangement number |
| Buses and motorhomes | 1995 to 2003 | Confirm arrangement number |
| Marine and crane installations | 1995 to 2003 | Confirm arrangement number |
Fitment varies with model year, sensors and mounts. Send your VIN and we will confirm before you pay.
What's included and what's not
On the pallet
- 3126 engine as described in the listing and photos
- Serial and arrangement number checked before dispatch
- Ancillaries only as shown (confirm on WhatsApp)
Not included
- Transmission, clutch and flywheel unless listed
- ECM and wiring harness unless confirmed
- Fluids, filters and gaskets
- Radiator and cooling package
- Fitment labour
Warranty, inspection and nationwide delivery
Warranty
- Warranty cover depends on the unit's condition and make, and is confirmed in writing with your quote before you pay.
- Ask us for the full warranty letter for this unit on WhatsApp.
Inspection
- Checked against the 3126E code before it is listed.
- Compression tested and bench-checked where it applies.
- Photos and video of the unit on request.
Delivery
- Crated and dispatched from Potchefstroom to all nine provinces.
- Cross-border to Botswana, Namibia, Zimbabwe, Zambia, Mozambique, Lesotho, Eswatini and Malawi.
- Free delivery anywhere in South Africa on orders of R50,000 and above (incl. VAT). Smaller orders and cross-border deliveries are quoted to your town before you pay.
FAQs
Will a 3126E replace my 3126B?
The core engine is shared, but the electronics differ between versions. Send both serial and arrangement numbers and tell us whether you are reusing your ECM so we can advise.
What is included?
The engine as shown in the listing photos. ECM, harness, gearbox and cooling package are excluded unless confirmed in writing.
What warranty applies?
Warranty on truck engines is confirmed in writing with your quote. Fitment must be by an RMI-registered workshop or qualified diesel mechanic, with new oil, filters and coolant.
Can you deliver to my country?
We deliver throughout South Africa and to Botswana, Namibia, Zimbabwe, Zambia, Mozambique, Lesotho, Eswatini and Malawi, quoted per destination.
Can I plug a laptop into a 3126E?
Yes, as an electronically controlled engine it can be read with Caterpillar diagnostic software through a suitable adaptor, which helps with fault codes and rating checks.
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