Cummins X12
Built: 2022-2026 · Series: Other models
The X12 comes from Cummins. Production: 2022-2026. The fuel is 7-15 ppm Ultra Low Sulfur Diesel. The rated output is 265 kW. The engine is turbocharged. The engine meets emissions stage Tier 4 (Final or Phase In). Fuel reaches the combustion chamber through direct injection. The charge air is air-cooled. Charging is by a wastegate turbocharger. It is a four-stroke diesel engine. The cylinders are arranged in line. Rated output across the Cummins range ranges from 46 to 3,245 kW; the X12 sits at the bottom of that range with 265 kW. Its immediate neighbours are the PX8 270 below it with 260 kW and the B6.7 280H above it with 270 kW. 517 Cummins models across 3 series are on record. The model is listed under Non-road diesel engines. 27 verified figures from 1 source are on file.
Technical data
Engine
| Engine code | LX10correct |
|---|---|
| Engine family | RCEXL12.0AAAcorrect |
| Engine families | TCEXL12.0AAA; PCEXL12.0AAA; NCEXL12.0AAA; SCEXL12.0AAA; RCEXL12.0AAAcorrect |
| Fuel | 7-15 ppm Ultra Low Sulfur Dieselcorrect |
| Rated output | 265 kWcorrect |
| Power band | 130<=kW<=560correct |
| Rated speed | 2,000 rpmcorrect |
| Maximum torque | 1,373 N·mcorrect |
| Speed at max. torque | 1,400 rpmcorrect |
| Cylinders | 6correct |
| Cylinder layout | in linecorrect |
| Bore | 132 mmcorrect |
| Stroke | 144 mmcorrect |
| Operating cycle | four-stroke dieselcorrect |
| Injection | direct injectioncorrect |
| Aspiration | turbochargedcorrect |
| Turbocharger type | wastegate turbochargercorrect |
| Charge-air cooling | aircorrect |
| Emissions stage | Tier 4 (Final or Phase In)correct |
Origin and approval
| Version | LX10correct |
|---|---|
| Built from | 2022correct |
| Built to | 2026correct |
| Model year from | 2022correct |
| Model year to | 2026correct |
| Sales region | bothcorrect |
Frequently asked questions
How much power does the Cummins X12 have?
The Cummins X12 delivers 265 kW.
When was the Cummins X12 built?
Production years: 2022-2026.
What to check before buying
- Match the data plate against the order: frame size, mounting and rating have to agree.
- For used units, ask about winding condition and bearing play.
- Ask about parts availability for this series — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 27 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Other models in this series
4BT3.3G
4BT3.3G4
4BT3.3G5
4BTAA3.3G12
4BTAA3.3G17
4BTAA3.3G18
4BTAA3.3G7
6TAA-8304
6TAA-9004
B3.3
F3.8
K323
Sources: [1]
Diesel engine in 3D section
Turn the model, look inside and click an assembly — each one is explained.