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Genuine Cummins ISDe185-40 Engine for Sale: High-Performance DCEC Solutions
The Cummins ISDe185-40 engine is a high-performance diesel power solution developed for medium-duty trucks, buses, and commercial vehicles. As a key product in the Cummins ISDe series, this engine delivers 185HP output with reliable torque, making it suitable for logistics transportation, municipal services, and regional distribution fleets.
As a professional supplier, HekoPower provides genuine ISDe185-40 engine assemblies with stable quality, competitive pricing, and global export support. Each engine is designed to meet demanding operating environments while maintaining fuel efficiency and long service life.
Tech Specs of Cummins ISDe185-40
General Engine Data
Engine Model: Cummins ISDe185-40
Type: 4 Cylinders in Line
Displacement: 4.5 L
Bore * Stroke: 107 * 124
Net Weight (with flywheel & alternator): 509 Kg
Overall Dimension: 901mm*723mm*815mm
Key Performance Data
Rated Power: 136 kW/185 HP
Rated Speed: 2500 rpm
Idle Speed: 600-800 rpm
Fuel Consumption @ Rated Power: 195 g/Kw.h
Max Continuous Running Altitude: 3000 m
Max. Torque/Speed: 700 N.m @ 1400 rpm
Torque/Rated Speed: 520 N.m @ 2500 rpm
Max. No-load Governed Speed: 2850 rpm
More Technical Data
Certification: Euro III
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Bosch Direct Injection (HPCR)
Compression Radio: 17.3:1
Starting System: Electrical Starting Motor 24V(750A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 9.4 L
Key Features of the ISDe185-40 High Pressure Common Rail System
The performance of the Cummins ISDe 4.5 185HP truck engine is largely defined by its fuel delivery system. Unlike older mechanical engines, the ISDe185-40 utilizes a Bosch HPCR fuel system.
Precision Combustion
The High-Pressure Common Rail (HPCR) system injects fuel at extremely high pressures (up to 1600 bar). This ensures that the fuel is atomized into a fine mist, leading to more complete combustion. The result is improved Cummins ISDe185-40 fuel consumption figures and lower particulate emissions.
Turbocharged Intercooled Performance
Equipped with a turbocharged intercooled 6.7L-style architecture (scaled for 4.5L), the engine forces more air into the cylinders. The intercooler reduces the temperature of the intake air, increasing its density. This allows the ISDe185-40 turbocharged intercooled engine to maintain high torque (700 N.m) at low RPMs, which is essential for heavy trucks starting from a standstill or climbing gradients.
Electronic Control
The engine is managed by an advanced ECU that monitors hundreds of parameters per second. This electronic control allows for smoother idling, better throttle response, and easier diagnostics compared to mechanical predecessors.
Applications: ISDe185-40 Engine for Truck and Commercial Vehicles
The versatility of the DCEC platform makes the ISDe185-40 engine for bus and commercial vehicles a top choice for fleet managers.
- Dongfeng Trucks: This is the primary application. The engine is perfectly matched to Dongfeng chassis (such as the Dongfeng Tianjin and Kar trucks), providing a balanced power-to-weight ratio.
- Buses and Coaches: With its compact 4-cylinder design, it fits easily into mid-sized bus engine bays, providing quiet and vibration-free power for passenger transport.
- Specialized Vehicles: The ISDe185-40 engine assembly is often used in fire trucks, water tankers, and mobile cranes where reliable PTO (Power Take-Off) operation is required.
Comparison: ISDe185-40 vs. ISDe185-30 and ISDe210
Choosing the right engine requires a deep dive into compatibility.
- ISDe185-40 vs. ISDe185-30: The primary difference lies in the emission control sensors and ECU mapping. The -40 model is optimized for stricter urban emission zones.
- ISDe185 vs. ISDe210: While both utilize similar architecture, the ISDe210 offers higher boost pressure for heavy-load applications, whereas the 185HP version is optimized for fuel-efficient regional distribution.
Maintenance and Longevity: Cummins ISDe185 Maintenance Guide
To maximize the ISDe185 engine reliability and lifespan, HekoPower recommends a strict adherence to the Cummins ISDe185-40 maintenance manual.
- Oil Intervals: Use high-quality synthetic oils to protect the turbocharger.
- Cooling System: The ISDe185-40 cooling system requires specific coolant additives to prevent liner pitting.
- Spare Parts: Always use genuine filters to protect the Bosch fuel injectors from contamination.
Procurement & Export: ISDe185-40 Price for Export from China
Buying a new ISDe185-40 engine online can be complex. HekoPower simplifies this with:
- Transparent Quotations: Request an ISDe185-40 diesel engine price including sea freight.
- Verified Documentation: We provide all certificates of origin and technical data sheets.
- Secure Packaging: Engines are crated in export-grade plywood to prevent moisture damage during transit.
DCEC ISDe Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes ISDe140-30, ISDe140-40, ISDe160-30, ISDe160-40, ISDe180-30, ISDe180-40, ISDe185-30, ISDe185-40, ISDe200-30, ISDe210-30, ISDe210-40, ISDe230-30, ISDe245-30, ISDe270-30, ISDe285-30, ISDe300-40.
