Details
Buy Original Cummins ISF3.8s3168 Engine from HekoPower
Sourcing a reliable powertrain replacement for a light commercial vehicle fleet demands components that minimize unscheduled garage downtime. The genuine Cummins ISF3.8s3168 diesel engine is a highly efficient inline 4-cylinder, 3.76L power unit widely used across international transport sectors. Manufactured by the Beijing Foton Cummins Engine Company (BFCEC) joint venture, this variant serves as a critical replacement engine for light cargo trucks, buses, and specialized municipal vehicles globally.
As a specialized Cummins engine supplier, HekoPower bypasses middleman markups. We provide the genuine Cummins ISF3.8s3168 complete engine assembly directly from production lines in China. Every unit is shipped 100% brand new, ready to install, and fully integrated with its electronic control architecture to guarantee simple drop-in fleet repowering.
Tech Specs of Cummins ISF3.8s3168
General Engine Data
Engine Model: Cummins ISF3.8s3168
Type: 4 Cylinders in Line
Displacement: 3.76 L
Bore * Stroke: 102 * 115
Net Weight (with flywheel & alternator): 335 Kg
Overall Dimension: 801mm*695mm*806mm
Key Performance Data
Rated Power: 125 kW/168 HP
Rated Speed: 2600 rpm
Idle Speed: 750 rpm
Min. Fuel Consumption: 195 g/Kw.h
Max Continuous Running Altitude: 2000 m
Max. Torque/Speed: 600 N.m @ 1300-1700 rpm
Max. No-load Governed Speed: 2950 rpm
More Technical Data
Certification: Euro III
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Bosch Direct Injection/HPCR, SCR
Compression Radio: 17.2:1
Starting System: Electrical Starting Motor 24V
Starting Temp (with/without auxiliary system): -10℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 11.1 L
Technical Architecture: Common Rail Precision and Air Handling
Competitor pages frequently copy generic datasheets that fail to differentiate the highly specific s3168 engine code from other entries in the 3.8-liter line. True engine buyers need to verify clear technical differences before executing an order.
The Euro III Emissions Infrastructure
The distinct suffix on the Cummins ISF3.8S3168 designates its factory calibration for Euro III emissions compliance. Unlike newer Euro IV or Euro V configurations that mandate selective catalytic reduction (SCR) or diesel particulate filters (DPF), this Euro III Cummins commercial engine achieves its 125kW (168HP) output without complex exhaust aftertreatment systems. This baseline engineering makes it a preferred choice for fleet operators located in regions with high-sulfur diesel profiles.
Bosch High-Pressure Common Rail (HPCR) Integration
The core performance of this 3.76L Cummins diesel engine centers around its electronic control Cummins ISF3.8 injection mapping. Utilizing a premium Bosch HPCR system, fuel is delivered via a high-pressure rail directly to the electronic fuel injectors. Operating in tandem with the factory engine with ECU (Electronic Control Unit), this setups enables multiple injection events per combustion cycle. The resulting benefit is a flat torque curve reaching 600Nm between 1300 and 1700 RPM, giving drivers excellent low-end throttle response under heavy loads.
Advanced Thermal and Structural Footprint
To handle a robust 600Nm torque payload within space-constrained engine bays, this water cooled Cummins ISF3.8 engine uses a specialized modular layout. The cylinder block and cylinder head are cast from high-strength alloy iron, achieving a dry engine weight of just 335 kg. The structural layout uses a rear gear train drive which noticeably dampens operating harmonics while driving down overall noise levels by up to 50% compared to legacy engines. For air management, a wastegated turbocharger paired with a charge air cooled design ensures stable intake temperatures during extended highway hauls.
Direct Fleet Replacement and Real-World Application Scenarios
The utility of a Foton Cummins ISF3.8s3168 complete engine depends directly on matching it to the exact vehicle chassis configuration. This engine assembly is engineered to drop into precise light-to-medium vocational truck platforms.
Cummins ISF3.8s3168 Replacement Engine for Foton Trucks
The most common application for this specific engine build is direct powertrain replacement within Foton light commercial vehicle applications, specifically the Foton Aumark and Ollin medium-duty truck lines. Because the mounting points, flywheel housing layout, and auxiliary belt configurations are matched at the factory, fleet owners can slide this complete engine assembly into existing Foton engine bays without modifying the transmission adapter plates or radiator plumbing lines.
Bus Repowering and Specialized Commercial Transportation
Beyond traditional cargo transport, this 168HP engine serves as an ideal solution for city bus repowering and medium passenger van maintenance. Its compact size ensures it drops easily into short-hood or cab-over configurations without modifying structural firewalls. It delivers the stable, steady idling performance needed for constant stop-and-go urban transit patterns.
Severe Duty Vocational Applications
The structural rigidity of the BFCEC Cummins ISF3.8s3168 engine extends its utility into critical utility lines, including:
- Refrigerated Trucks: Delivering continuous PTO (Power Take-Off) capacity to drive auxiliary cooling compressors.
- Municipal Vehicles: Powering urban garbage compactors and street sweepers operating under high engine load factors.
- Box Cargo Vans: Sustaining stable highway speeds over long distances at gross vehicle weights above 3.5 tons.
Maintenance Guidelines and Critical Components Support
Extending the service life of an electronically controlled light-commercial diesel engine requires moving past basic fluid schedules and understanding exact component tolerances.
Fuel System Cleanliness and Component Protection
Because the Bosch high-pressure common rail system relies on micro-clearance components, fuel contamination represents the primary cause of premature injector wear. Operators must install a dedicated primary fuel filter and water separator setup before the fuel reaches the main lifter pump. The primary spin-on elements must be serviced every 10,000 kilometers, or immediately if water contamination is detected during routine pre-trip inspections.
Overhaul and Repair Spare Parts Availability
When a high-mileage vehicle requires block servicing rather than a full engine assembly replacement, HekoPower provides complete genuine spare parts support. Our warehouse keeps essential components on hand to facilitate rapid workshop turnarounds.
Interpreting ECM Diagnostic Fault Codes
When internal sensors register an operational variance, the engine with turbocharger uses integrated prognostics to prevent structural failures. Rather than turning mechanical fuel screws manually, technicians must connect an inline data scanner to pull active diagnostic codes. Common performance drops are typically resolved by swapping out standard pressure sensors or checking for air leaks in the intercooler couplers rather than opening up the core engine block.
Commercial Procurement, Shipping Weight, and Export Packing
Procuring major commercial vehicle components requires clear documentation regarding shipping timelines and transport weights to establish real landed costs.
Cummins ISF3.8S3168 Factory Price and Procurement
HekoPower offers highly competitive wholesale Cummins ISF3.8s3168 engine prices directly to commercial fleet owners, local parts importers, and independent repair garages. Every engine assembly shipped passes thorough dyno verification before leaving the logistics center, ensuring it matches factory horsepower and torque ratings right out of the box.
Export Packing Specifications and Global Shipping
To safeguard sensitive electronic control modules, wiring harnesses, and alloy components, HekoPower uses high-grade, moisture-sealed export packing systems. The engine is bolted down onto a reinforced base frame inside a heavy-duty, completely enclosed fumigated wooden crate. This layout protects delicate exterior parts from accidental impact or sea-spray exposure during container transport.
BFCEC ISF Series, original products from Beijing Foton Cummins Engine Company Limited (BFCEC), a 50/50 joint venture between Cummins Inc. and China's Beiqi Foton Motor Company (Foton Motor). BFCEC produces Cummins light-duty, high-performance ISF diesel engines. This series mainly includes ISF2.8s3129T, ISF2.8s3148T, ISF2.8s4129P, ISF2.8s4129T, ISF2.8s5129T, ISF2.8s4148T, ISF2.8s4161P, ISF3.8s3141, ISF3.8s3154, ISF3.8s3168, ISF3.8s4141, ISF3.8s4154, ISF3.8s4168, ISF2.8s4107P.
Frequently Asked Questions Regarding the Cummins ISF3.8s3168
Is the ISF3.8s3168 engine supplied by HekoPower an authentic product?
Yes, every unit we export is a genuine Cummins engine manufactured by the Beijing Foton Cummins Engine Company (BFCEC) joint venture facility. Each assembly features an authentic factory nameplate stamped with a unique serial number, allowing complete verification through global Cummins service channels.
Can this engine replace an older mechanical 4BT engine assembly?
While it shares a similar 4-cylinder layout, moving from an older mechanical model to the ISF3.8 series requires adding the engine wiring harness, electronic accelerator pedal, and matching ECU module. We deliver our assemblies complete with these essential electronic components to make conversion projects as straightforward as possible.
What coverage comes with the Cummins ISF3.8s3168 engine warranty?
Every complete engine assembly we supply is backed by a standard 1-year or 100,000-kilometer commercial vehicle factory warranty, whichever milestone occurs first. The warranty covers major internal components against any defects in manufacturing or material composition under standard operating conditions.
