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Cummins ISZ450-40 Diesel Engine – DCEC 13L Euro IV Heavy Duty Engine
The DCEC ISZ450-40 diesel engine, a cornerstone of the Cummins Z-series, is engineered for the most rigorous heavy-duty tasks. With a robust 13L displacement and a formidable 450HP output, this Euro IV compliant engine delivers exceptional power where it matters most. Its peak torque of 2237 Nm at just 1200 rpm provides outstanding pulling power from low revs, making it ideal for long-haul trucking, mining, and construction applications. At HekoPower, we supply the genuine Dongfeng Cummins ISZ450-40 original engine, ensuring you get the authentic performance and durability that has made this engine a global standard.
Tech Specs of DCEC ISZ450
General Engine Data
Engine Model: Cummins ISZ450-40
Type: 6 Cylinders in Line
Displacement: 13 L
Bore * Stroke: 130 * 163
Net Weight (with flywheel & alternator): 1195 Kg
Overall Dimension: 1389mm*1016mm*1233mm
Key Performance Data
Rated Power: 335 kW/450 HP
Rated Speed: 2100 rpm
Idle Speed: 600-800 rpm
Max. Altitude For Continuous Running: 5200 m
Torque/Rated Speed: 1525 N.m @ 2100 rpm
Max. Torque/Speed: 2237 N.m @ 1200 rpm
Max. No-Load Speed: 2300 rpm
More Technical Data
Certification: Euro IV
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Cummins XPI Fuel System/ECM
Compression Radio: 17:1
Starting System: Electrical Starting Motor 24V(750A)
Lowest Starting Temp Without auxiliary system: -15℃/-30℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 23.1 L
Advanced Technology for Superior Efficiency
The XPI High-Pressure Fuel System Advantage
A key feature of the ISZ450-40 technical specifications is its state-of-the-art XPI (Extra High Pressure Injection) fuel system. This technology enables precise fuel delivery at extremely high pressures, resulting in more complete combustion. The benefits are clear: improved fuel efficiency per km, lower emissions to meet Euro IV standards, and enhanced overall engine responsiveness. This system is a major reason why the Cummins ISZ450-40 diesel engine for heavy trucks is a preferred choice for fleet operators focused on total cost of ownership.
Engineered for Extreme Conditions
The Cummins ISZ450-40 high-altitude engine variant is specifically calibrated for operations at elevations up to 5200m, maintaining power and efficiency where other engines struggle. Furthermore, its 24V electrical system ensures reliable cold start performance at -30°C, a critical feature for operations in harsh winter climates or arctic regions. The water-cooled turbocharged engine design with a charge air cooling system guarantees consistent performance and protects vital components under sustained heavy loads.
13L Displacement & Euro IV Environmental Standard
The Euro IV Cummins 13L Engine has a large displacement structure that ensures stable power output under continuous heavy loads. The Euro IV ISZ450-40 Heavy Duty Truck Engine complies with mainstream European and American emission regulations, suitable for export markets including North America, Africa, Southeast Asia and the Middle East. Its compact structure and high durability make it an ideal choice for original vehicle matching and engine replacement.
Applications of Cummins ISZ450-40 Engine
Long-Haul Trucking
The Cummins ISZ450 long haul truck engine is ideal for:
- Logistics fleets
- Highway transportation
- Fuel-efficient long-distance hauling
Mining and Construction Equipment
The ISZ450 engine for mining dump trucks delivers:
- High torque for heavy loads
- Reliable operation in harsh environments
Commercial Vehicles
- Compatible with Dongfeng Tianlong and KX trucks
- Suitable for buses and special vehicles
Comparison: ISZ450-40 vs ISZ480-40
A common question for fleet operators is the ISZ450-40 vs ISZ480-40 performance comparison. While both share the 13L block, the ISZ450-40 is optimized for better fuel economy in standard long-haul logistics, whereas the ISZ480 is tuned for maximum payload capacity in specialized mining applications.
Maintenance, Service, and Global Logistics
Choosing the right HekoPower Cummins ISZ450-40 Diesel Engine means securing a partner for the long haul. We provide comprehensive data for fleet managers to optimize their ISZ450 maintenance cost and service interval.
Cooling and Maintenance Guide
Proper thermal management is key to engine longevity. The ISZ450-40 engine cooling fluid volume 23.1L maintenance requirements are straightforward but vital. Using the ISZ450-40 engine overhaul kit genuine parts wholesale from HekoPower ensures that your 13L block reaches its intended 800,000km maintenance-free milestone.
Export Shipping and Logistics
For our international clients, we provide detailed shipping Cummins ISZ450 engine dimensions and weight data. With an ISZ450-40 engine net weight 1195kg export shipping profile and ISZ450-40 engine dimensions 1389x1016x1233mm, we ensure secure, export-grade packaging. We guarantee a Cummins ISZ450-40 13L engine 10-business-day lead time for in-stock units.
Why Choose HekoPower ISZ450-40 Supplier
- Genuine Dongfeng Cummins ISZ450-40 original engine
- Competitive wholesale pricing
- 12-month warranty support
- Fast global delivery
We specialize in wholesale ISZ450-40 engine supply for international buyers.
DCEC ISZ Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes ISZ425-40, ISZ450-40, ISZ480-40, ISZ525-40.
