Roush Commercial
Built: 2021 · Series: Other models
More machines from model year 2021
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
Roush Industries – other road engines: the collective page of LPG and CNG conversion engines based on the Ford 6.8- and 7.3-litre V8/V10, 269 to 350 hp, for school buses, motorhomes and vans
Roush Industries (Roush CleanTech), headquartered in Livonia, Michigan, converts Ford petrol engines to run on propane autogas and compressed natural gas. The engine-family codes in the register point with 07.3 to the 7.3-litre V8 and with 06.8 to the older 6.8-litre V10 from Ford's line-up; the models in the vehicle column, from the Blue Bird Vision Bus through the E-Series and F650/750 to the Motor Home, match the typical Ford chassis for school buses, shuttle buses, motorhomes and medium-duty trucks.
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The register lists here 23 versions with 269 to 350 hp at a rated speed of 3,750 to 4,250 rpm, all with sequential fuel injection. LPG dominates the fuel field with 22 versions against one CNG version. Maximum torque ranges from 386 to 468 Nm at 3,072 to 3,900 rpm, model years from 2016 to 2026.
With these conversion engines, Roush serves the North American market for alternative fuels in fleet and commercial vehicles, especially school-bus fleets and municipal vehicles, for which LPG and CNG drive offer tax and environmental advantages over diesel.
When buying used, on these conversion engines the condition of the gas system and its seals, the service history of the gas-specific spark plugs and valve seats, and the operating hours of the fleet the vehicle came from matter especially; the underlying Ford base engine itself follows the well-known service intervals for petrol V8/V10s. Spares for the gas system run through the Roush CleanTech network, for the base engine through Ford.
Sources: SpecCodex register, model data: Roush Industries (weitere Straßenmotoren), Roush CleanTech (manufacturer)
Technical data
Engine
| Engine code | MMF41FSR5correct |
|---|---|
| Engine family | MRIIE07.3BL3correct |
| Engine families | MRIIE07.3BL3correct |
| Fuel | Liquefied Petroleum Gascorrect |
| Rated output | 261 kW (= 350 hp)correct |
| Rated speed | 3,900 rpmcorrect |
| Maximum torque | 468 ft·lbfcorrect |
| Speed at max. torque | 3,900 rpmcorrect |
| Displacement | 7,300 cm³correct |
| Displacement | 7.3 lcorrect |
| Operating cycle | petrol enginecorrect |
| Injection | sequential injectioncorrect |
| Aspiration | naturally aspiratedcorrect |
Origin and approval
| Version | MMF41FSR5correct |
|---|---|
| Built from | 2021correct |
| Built to | 2021correct |
| Model year from | 2021correct |
| Model year to | 2021correct |
| Sales region | USA certificationcorrect |
Other data
| Application | Vocationalcorrect |
|---|
Frequently asked questions
How much power does the Roush Commercial have?
The Roush Commercial delivers 261 kW.
What engine does the Roush Commercial have?
7,300 cm³ displacement, Liquefied Petroleum Gas.
When was the Roush Commercial built?
Production years: 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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This page carries 23 individual figures for this model. They come from 2 recorded sources; 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
Blue Bird Vision Bus
Blue Bird Vision Bus
Commerical
Commerical
E-Series
E-series
E450
E450
F450/550
F450/550
F650/750
F650/750
Sources: US EPA — engine certification data (retrieved August 2026) · How we check the data
Diesel engine in 3D section
Turn the model, look inside and click an assembly — each one is explained.
Parts for this engine (26)
Manufacturer part numbers from the official EPA documentation. No prices or availability — those come from the supplier.
| Part number | Description | Manufacturer |
|---|---|---|
| P20EK-03P240-BC | Alternate Fuel Control Module (alt.);Alternate Fuel Control Module;Alternate Fuel Control Module;Alternate Fuel Control Module;Alternate Fuel Control Module (alt.);Alternate Fuel Control Module (alt.) | Roush |
| P20EK-03P240-CA | Alternate Fuel Control Module;Alternate Fuel Control Module (alt.);Alternate Fuel Control Module (alt.);Alternate Fuel Control Module;Alternate Fuel Control Module (alt.);Alternate Fuel Control Module | Roush |
| P20EK-03P240-CB | Alternate Fuel Control Module (alt.);Alternate Fuel Control Module;Alternate Fuel Control Module (alt.) | Roush |
| P20EK-03P240-CC | Alternate Fuel Control Module (alt.) | Roush |
| KR3A-12K073-AA | Camshaft Position Sensor | Roush |
| LC3A-6C315-BA | Crankshaft Position Sensor | Roush |
| GN1A-6G004-AA | Cylinder Head Temperature Sensor | Roush |
| JL3E-9F991-AA | Electric Throttle Body | Roush |
| P-10A020-AA | Fuel Pump (alt.);Fuel Pump;Fuel Pump;Fuel Pump (alt.) | Roush |
| P11BB-10A020-AA | Fuel Pump (alt.) | Roush |
| P11BB-10A020-AB | Fuel Pump;Fuel Pump (alt.);Fuel Pump (alt.);Fuel Pump;Fuel Pump (alt.);Fuel Pump | Roush |
| P16JC-03P400-AB | Fuel Pressure Temperature Sensor (FPTS) | Roush |
| P20EK-10E200-AA | Fuel Rail Pressure Control Module | Roush |
| HL3A-9G444-AC | Heated Oxygen Sensor - Downstream;Heated Oxygen Sensor - Downstream (alt.);Heated Oxygen Sensor - Downstream;Heated Oxygen Sensor - Downstream (alt.) | Roush |
| HL3A-9G444-AD | Heated Oxygen Sensor - Downstream (alt.);Heated Oxygen Sensor - Downstream;Heated Oxygen Sensor - Downstream (alt.);Heated Oxygen Sensor - Downstream | Roush |
| K2GA-9Y460-AA | Heated Oxygen Sensor - Universal;Heated Oxygen Sensor - Universal;Heated Oxygen Sensor - Universal (alt.);Heated Oxygen Sensor - Universal (alt.) | Roush |
| LC2A-9Y460-DA | Heated Oxygen Sensor - Universal;Heated Oxygen Sensor - Universal;Heated Oxygen Sensor - Universal (alt.);Heated Oxygen Sensor - Universal (alt.);Heated Oxygen Sensor - Universal;Heated Oxygen Sensor - Universal (alt.) | Roush |
| P-14A100-AA | Injector Voltage Control Module (IVCM)(opt.);Injector Voltage Control Module (IVCM);Injector Voltage Control Module (IVCM)(opt.);Injector Voltage Control Module (IVCM);Injector Voltage Control Module (IVCM);Injector Voltage Control Module (IVCM)(opt.) | Roush |
| AL3A-12A699-BB | Knock Sensor;Knock Sensor (deactivated);Knock Sensor (deactivated);Knock Sensor (deactivated)(alt.);Knock Sensor (deactivated);Knock Sensor (deactivated);Knock Sensor (deactivated)(alt.) | Roush |
| JX6A-12B579-DB | Mass Airflow Sensor;Mass Airflow/Intake Air Temp Sensor;Mass Airflow/Intake Air Temp Sensor (alt.);Mass Airflow Sensor (alt.);Mass Airflow Sensor;Mass Airflow Sensor;Mass Airflow Sensor (alt.);Mass Airflow Sensor (alt.) | Roush |
| LU94-5E212-AB | PartDescriptionText | Roush |
| P11BB-03D021-AA | PartDescriptionText | Roush |
| P21MK-03P100-VA | Powertrain Control Module | Roush |
| P21MK-03P100-VB | Powertrain Control Module (R510)(alt.) | Roush |
| P21MK-03P100-VC | Powertrain Control Module (R511)(alt.) | Roush |
| P21MK-03P100-VD | Powertrain Control Module (R512)(alt.) | Roush |
Source: EPA HD Engines 2015–Present
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