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Cummins ISBe 250 Diesel Engine – 5.9L 250HP Medium-Duty Power Solution
The Cummins ISBe 250 diesel engine is a reliable 5.9L turbocharged and intercooled power unit designed for medium-duty commercial vehicles. As part of the Dongfeng Cummins (DCEC) engine lineup, this 250HP engine delivers strong torque output of up to 951 N·m, making it suitable for logistics trucks, buses, and construction equipment.
At HekoPower, we supply original and wholesale Cummins ISBe 250 engine assemblies with stable quality, fast delivery, and global export support. This engine is widely used in 10–12 ton trucks and offers excellent fuel efficiency and durability under demanding working conditions.
Tech Specs of Cummins ISBe 250 Engine
General Engine Data
Engine Model: Cummins ISBe 250
Type: 6 Cylinders in Line
Displacement: 5.9 L
Bore * Stroke: 102 * 120
Net Weight (with flywheel & alternator): 453 Kg
Overall Dimension: 1095mm*744mm*905mm
Key Performance Data
Rated Power: 184 kW/250 HP
Rated Speed: 2500 rpm
Idle Speed: 600-800 rpm
Fuel Consumption @ Rated Power: 20.8 L/hr
Max. Altitude for Continuous Opera: 2000 m
Max. Torque/Speed: 951 N.m @ 1500 rpm
More Technical Data
Certification: Euro III/IV
Aspiration: Turbocharged & Intercooled
Fuel System: DESNO HPCR Pump/ ECM2220
Compression Radio: (17.3±0.5):1
Starting System: Electrical Starting Motor 24V(510A)
Lowest Starting Temp Without auxiliary system: -10℃/-41℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 7.0 L
Euro III vs. Euro IV: Choosing the Right ISBe 250
When looking for a Cummins ISBe 250 for sale, it is crucial to distinguish between emission standards.
- Euro III: Features a simpler mechanical structure with focused reliability for markets with less stringent emission laws.
- Euro IV: Utilizes Selective Catalytic Reduction (SCR) technology. While more complex, it offers better fuel economy and a significant reduction in Particulate Matter (PM) and NOx emissions.
Applications: From Dongfeng Trucks to Bus Fleets
The DCEC ISBe 250HP engine assembly is highly versatile. It is the primary power unit for:
- Medium-Duty Logistics: Ideal for 12-ton to 15-ton delivery trucks where torque is essential for hill climbing.
- Public Transport: Extensively used in city buses due to its low noise level (approx. 92 dBA) and smooth acceleration.
- Construction: Operates efficiently in excavators and small cranes requiring constant 184kW output.
Reliability, Maintenance, and ECM 2220 Location
The Cummins ISBe 250 engine reliability stems from its sculpted block design which reduces vibration. For technicians, the ECM 2220 location is typically on the cold side of the engine, isolated from thermal stress to prevent electronic failure. Regular maintenance involving genuine fuel filters and oil changes every 15,000–20,000 km will ensure a service life exceeding 500,000 km.
ISBe 250 vs ISB6.7 – Key Differences
Performance Comparison
- ISBe 250: 5.9L, lower fuel consumption, cost-effective
- ISB6.7: higher displacement, more power, higher cost
Application Differences
- ISBe 250 → medium-duty logistics and urban transport
- ISB6.7 → heavy-duty trucks and long-haul operations
Buying Guide – Is ISBe 250 Right for You?
Choose the Cummins ISBe 250 engine if you need:
- Reliable power for medium-duty trucks
- Cost-effective fuel consumption
- Easy maintenance and spare parts availability
It is not ideal for:
- Heavy-duty long-haul trucks
- High-horsepower applications above 300HP
Why Choose HekoPower as Your Supplier
- Original DCEC Cummins ISBe 250 engine supply
- Competitive wholesale pricing
- Fast delivery (within 7–10 working days)
- Flexible payment terms (T/T, L/C)
- 12-month warranty support
We specialise in global export of Cummins diesel engines and provide professional technical consultation for your project.
DCEC ISBe Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes ISBe 140, ISBe 160, ISBe 180, ISBe 185-30, ISBe 205, ISBe 220, ISBe 250, ISBe 285, ISB6.7E5285, ISBe 300.
FAQ
What is the fuel consumption of Cummins ISBe 250?
Approximately 20–22 L/hour depending on operating conditions.
What vehicles use ISBe 250 engine?
Mainly Dongfeng trucks, buses, and medium-duty commercial vehicles.
What is the price of Cummins ISBe 250 engine?
Prices vary depending on configuration, condition, and order quantity.
