Paccar MX-11 320 E FE
Built: 2018-2021 · Series: MX-11
More machines from model year 2018
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PACCAR MX-11 — the Lighter Sibling of the MX-13 – inline six-cylinder engine of 10.8 litres, 365 to 430 hp, CGI block with common-rail injection for Kenworth, Peterbilt and DAF
The MX-11 is an inline six-cylinder engine displacing 10.8 liters (SpecCodex data: 22 recorded models, consistently 10,800 cm³), covering roughly 365 to 430 hp with up to 1,550 lb-ft of torque. It combines double overhead camshafts with a compacted graphite iron (CGI) block and head and a common-rail system running up to 2,500 bar injection pressure.
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PACCAR launched the MX-11 in Europe in 2013 as a Euro 6 engine for DAF trucks; the North American version followed in October 2015, reaching Kenworth and Peterbilt dealers in early 2016. It sits below the larger MX-13 in the lineup and competes with engines such as the Cummins X12.
The MX-11 is used in long-haul and regional tractors from Kenworth, Peterbilt and DAF, where its lower weight compared with the MX-13 translates into extra payload.
For boosting, the MX-11 uses a variable-geometry turbocharger that adjusts boost pressure across a wide speed range, delivering stronger low-end torque than a simple wastegate turbo; a charge-air cooler further cools the compressed intake air before combustion, reducing thermal loading.
For the used market: PACCAR targets a B10 life of one million miles for the MX-11, but what really matters on a used unit is a documented history of oil-change and EGR service intervals, since the high-pressure common-rail system is sensitive to contaminated fuel.
Sources: SpecCodex register, model data: PACCAR MX-11, PACCAR (manufacturer)
Technical data
Engine
| Engine family | MPCRH10.8M01correct |
|---|---|
| Engine families | MPCRH10.8M01; LPCRH10.8M01; KPCRH10.8M01; JPCRH10.8M01correct |
| Fuel | 7-15 ppm ultra low sulfur dieselcorrect |
| Rated output | 320.7 kW (= 430 hp)correct |
| Rated speed | 1,600 rpmcorrect |
| Maximum torque | 1,650 ft·lbfcorrect |
| Speed at max. torque | 900 rpmcorrect |
| Displacement | 10,800 cm³correct |
| Displacement | 10.8 lcorrect |
| Operating cycle | dieselcorrect |
| Injection | direct injectioncorrect |
| Aspiration | turbochargedcorrect |
Origin and approval
| Built from | 2018correct |
|---|---|
| Built to | 2021correct |
| Model year from | 2018correct |
| Model year to | 2021correct |
| Sales region | USA certificationcorrect |
Other data
| Application | Both Tractor and Vocationalcorrect |
|---|
Frequently asked questions
How much power does the Paccar MX-11 320 E FE have?
The Paccar MX-11 320 E FE delivers 321 kW.
What engine does the Paccar MX-11 320 E FE have?
10,800 cm³ displacement, 7-15 ppm ultra low sulfur diesel.
When was the Paccar MX-11 320 E FE built?
Production years: 2018-2021.
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 21 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
MX-11 250 E
MX-11 265
MX-11 265 E
MX-11 265 E FE
MX-11 265 E R
MX-11 265E (F & E)
MX-11 265R (Refuse)
MX-11 280
MX-11 280 E
MX-11 300 (DDE)
MX-11 300 E
MX-11 300 E R
Sources: [1]
Diesel engine in 3D section
Turn the model, look inside and click an assembly — each one is explained.