Cummins ISF3.8s3154 Diesel Engine 154HP Vehicle Engine Assembly
Cummins ISF3.8s3154 4-cylinder in-line diesel engine rated 115 kW (154 HP) at 2600 rpm with 3.76 L displacement for trucks, buses, coaches and municipal vehicles.
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What This Engine Is Built For
The Cummins ISF3.8s3154 is a 4-cylinder in-line vehicle diesel engine of 3.76 L with a 102 * 115 mm bore and stroke supplied by MEP Power as a complete assembly. It is rated at 115 kW (154 HP) at 2600 rpm and develops 500 N.m @ 1200-1900 rpm. The engine is turbocharged & charge air cooled and water cooled, with a Bosch Direct Injection/HPCR, SCR fuel system. It is built at the Dongfeng Cummins Plant and carries Euro III. Typical duty is trucks, buses, coaches and municipal vehicles; dry weight with flywheel and alternator is 335 Kg and the overall envelope is 801mm*695mm*806mm.
Key Benefits
- Delivers 115 kW (154 HP) at 2600 rpm from 3.76 L as a factory-rated assembly.
- Peak torque of 500 N.m @ 1200-1900 rpm holds the load without downshifting or derating.
- Turbocharged & Charge Air Cooled induction with water cooling keeps charge temperature under control in continuous duty.
- Supplied to Euro III, so the unit can be registered in markets that require it.
- Dry weight 335 Kg and envelope 801mm*695mm*806mm are published so the installation can be checked before ordering.
- Rated for continuous running up to 2000 m altitude.
Application Scenarios
- Heavy truck engine assembly replacement
- City bus and coach repower
- Mixer, tipper and refuse body chassis
- Light commercial vehicle conversion
Who It Is For
- Truck and bus fleets doing engine assembly swaps instead of in-frame rebuilds
- Body builders and chassis converters specifying a known driveline
- Workshops supporting Dongfeng and other Cummins-powered vehicles
- Municipal fleets running refuse, mixer and utility bodies
Problems It Solves
- In-frame rebuilds tie up a bay for days and still leave old ancillaries in service.
- Emission compliance has to be matched to the market the vehicle runs in.
- Mixed fleets with several engine families multiply the parts a workshop must carry.
- Identifying the right ISF3.8s3154 variant from a serial number takes experience; MEP Power checks the configuration before quoting.
Specification As Published
Values below are the published data for this unit. Where a figure is not listed it was not stated by the source data sheet; ask and we will confirm before you order.
| Model | ISF3.8s3154 |
| Type | 4 Cylinders in Line |
| Displacement | 3.76 L |
| Bore x Stroke | 102 * 115 |
| Net Weight (with flywheel and alternator) | 335 Kg |
| Overall Dimension | 801mm*695mm*806mm |
| Manufacturing Plant | Dongfeng Cummins Plant |
| Rated Power/Speed | 115 kW/154HP |
| Rated Speed | 2600 rpm |
| Max Torque/Speed | 500 N.m @ 1200-1900 rpm |
| Max No-load Governed Speed | 2950 rpm |
| Idle Speed | 750 rpm |
| Min Fuel Consumption | 195g/Kw.h |
| Max Continuous Running Altitude | 2000 m |
| Certification | Euro III |
| Aspiration | Turbocharged & Charge Air Cooled |
| Fuel System | Bosch Direct Injection/HPCR, SCR |
| Compression Ratio | 17.2:1 |
| Starting System | Electrical Starting Motor 24V |
| Starting Temp (with/without auxiliary system) | -10℃/-25℃ |
| Engine Cooling Fluid Volume | 11.1 L |
| Cooling Method | Water Cooled |
Technical Features
- Cylinders: 4 Cylinders in Line
- Displacement: 3.76 L
- Bore and stroke: 102 * 115
- Aspiration: Turbocharged & Charge Air Cooled
- Fuel system: Bosch Direct Injection/HPCR, SCR
- Starting system: Electrical Starting Motor 24V
- Compression ratio: 17.2:1
- Coolant capacity: 11.1 L
Quality Control
- Every engine is inspected by the MEP Power inspection team before it leaves the warehouse
- Engine, configuration and serial numbers are recorded and photographed for the buyer
- Genuine and OEM units are quoted separately so the buyer knows exactly what is supplied
- Warranty on genuine and OEM new engines and generator sets is one year or 1000 hours, whichever comes first; parts and repair labour are covered for quality faults inside that period.
Use and Installation Guide
- Quote the model ISF3.8s3154 when ordering so the correct variant is supplied.
- Match the flywheel housing and clutch to the existing gearbox
- Check the emission level required in the registration market before ordering
- Re-use the vehicle's cooling pack only if it meets the engine's heat rejection
- Keep the warranty terms in mind: one year or 1000 hours, whichever comes first.
Customisation Options
- OEM and ODM builds, including your logo and company name on the unit
- Cummins engine customisation and modification to your requirement
- Mining and special explosion-proof builds
- Genuine or OEM parts specified on the quotation
How It Compares
| Compared with | What to consider |
|---|---|
| A rebuilt or used engine of the same rating | A rebuilt unit may show the same 115 kW (154 HP) on paper, but its running history is unknown and the warranty rarely covers the whole engine. |
| A larger engine in the same ISF3.8 range | Moving up a frame size adds weight, envelope and fuel burn; specify the next size up only if the duty cycle really needs the headroom. |
| A non-Cummins engine of similar output | Parts and service for Cummins families are available in most markets, which matters more over ten years than the purchase price on day one. |
ISF3.8s3154 Questions
Is this ISF3.8s3154 a genuine Cummins engine
What power does the ISF3.8s3154 produce
What warranty comes with the engine
How do I confirm this is the right variant for my machine
How is the engine shipped and what payment terms apply
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Quote The ISF3.8s3154
Send your serial number or nameplate photograph and we will confirm the configuration, then price genuine and OEM options side by side.