DCEC ISZ450-40 Automotive Engine
DCEC ISZ450-40 automotive engine is a 6-cylinders in line, 13 liter four-strokes engine with 130mm bore and 163mm stroke, equipped with Electrically Control High-pressure Common Rail, DCEC ISZ450-40 automotive engine comes with turbocharger and Air- Air intercooler, with a EURO VI post-processor. The prime power at 1900RPM of DCEC ISZ450-40 automotive engine is 450 HP.
As part of EMAC, DuraMac provides complete powertrain that integrated with DCEC engine, Fast-Eaton clutch, FAST-CAT transmission, Dongfeng-DANA axle and Komman air suspension, while the electrification of automobile is the certain future, Duramac also get involved with EV powertrain system. We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
DCEC ISZ13 series electronic automotive engine can reach upto EU Stage VI emission standard, the number 30/40/50/60 are the emission standard mark of engine, which means engine emission standard are EU Stage III, IV, V, VI. For different emission standard DCEC ISZ13 electronic series automotive engine, the engine itself are the same, the major different are the after-treatment system and ECU program, EMAC will keep updating products introduction page of different emission standard version engines, welcome to subscribe our website to get latest update information.
If you are in need of engine model that not available on our website for the moment, please contact EMAC sales team for technical details and related documents, our well trained sales and engineering team will help you with all products and techical documents available here at DCEC.
1.Lower oil consumption,Extended stroke,the expansion of the combustion gas more fully, Increase effective efficiency output, the economy is better.
2.Strong power,advanced 4 air valves structure, greater horsepower, air burning more thoroughly, while making low speed torque increase, quicken response speedily, climb strongly.
3.Excellent reliability, with compulsive cold cut articulated pistons, Can bear extreme high mechanical load and heat load, Strength can be comparable with heavy engine.
4.Better emissions, Decorate injector and symmetrical combustion chamber in center, make the cylinder is more homogeneous mixture, burning more fully, lower emissions.
5.Super life, 30% engines 800,000 km without overhaul.
6.Excellence power, Clean burning, use the advanced lean-burn closed loop electronic control system.
7.Excellent cold start performance, equipped with air suction electric preheater and 7.8 kw power starter, completely improve the cold start performance of the engine. Through the arctic village-MoHe of China-36°C extreme low temperature validation.
Technical Specifications
Basic Introduction of DCEC ISZ450-40 Automotive Engine
Engine Model: | ISZ450-40 |
Engine Type: | 6 |
Displacement: | 13 L |
Rated Speed: | 2100 RPM |
Aspiration Method: | Turbocharged & Air Intercooler |
Emission Standard: | N/A |
Bore*Storke: | 130 mm * 163 mm |
Packing Size(L*W*H): | N/A |
Wet Weight: | 1260 kg |
Lead Time: | 15-30 Working Days |
Payment Terms: | T/T ,L/C |

Engine Model | Advertised Power | Peak Torque | Number Of Cylinders | Fuel System |
ISZ425-40A | 425 HP @ 2100 RPM | 1966 N.m @ 1600 RPM | 6 Cylinders | XPI Fuel System |
ISZ425-40B | 425 HP @ 2100 RPM | 1966 N.m @ 1200 RPM | 6 Cylinders | XPI Fuel System |
ISZ425-41 | 424 HP @ 2100 RPM | 2016 N.m @ 1000-1400 RPM | 6 Cylinders | XPI Fuel System |
ISZ450-40A | 456 HP @ 2100 RPM | 2237 N.m @ 1600 RPM | 6 Cylinders | XPI Fuel System |
ISZ450-40B | 450 HP @ 2100 RPM | 2237 N.m @ 1200 RPM | 6 Cylinders | XPI Fuel System |
ISZ450-41 | 450 HP @ 2100 RPM | 2338 N.m @ 1000-1300 RPM | 6 Cylinders | XPI Fuel System |
ISZ460-51 | 450 HP @ 2100 RPM | 2338 N.m @ 1000-1300 RPM | 6 Cylinders | XPI Fuel System |
ISZ520-41 | 450 HP @ 2100 RPM | 2338 N.m @ 1000-1300 RPM | 6 Cylinders | XPI Fuel System |
ISZ525-40A | 525 HP @ 2100 RPM | 2509 N.m @ 1600 RPM | 6 Cylinders | XPI Fuel System |
ISZ525-40B | 525 HP @ 2100 RPM | 2508 N.m @ 1200 RPM | 6 Cylinders | XPI Fuel System |
ISZ525-40C | 525 HP @ 2100 RPM | 2508 N.m @ 1200 RPM | 6 Cylinders | XPI Fuel System |
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General Infomation of DCEC Cummins ISZ450-40 Automotive Engine | |||
Engine Model | ISZ450-40 | Advertised Power | 450 HP @ 2100 RPM |
Peak Torque | 2237 N.m @ 1200 RPM | Curve&Datasheet | FR20240 |
Fuel System | XPI | No. Of Cylinders | 6 |
Aspiration | Turbocharged & Air-Air Intercooler | Displacement | 13.0 L |
Bore*Storke | 130 mm * 163 mm | CPL Code Revision | 43354 |
Dry Weight | 1195 kg | Wet Weight | 1260 kg |
Compression Ratio | 17:1 | ||
Installation Data of DCEC Cummins ISZ450-40 Automotive Engine | |||
Center of Gravity. Distance From Front Face of Block | 519 mm | ||
Center of Gravity. Distance Above Crank Centerline(Above Crankshaft) | 201 mm | ||
Maximum Bending Moment At Rear Face of Block | 1356 N.m | ||
Maximum Crankshaft Thrust Bearing load limit- Intermittent load | 9786 N | ||
Maximum Crankshaft Thrust Bearing load limit-Continuous load | 4893 N | ||
Instantaneous Inertia At Rotating: (Without Flywheel) | N/A | ||
Emissions Certification | GB 17691-2005 | ||
Idle Speed | 600 – 800 RPM | ||
Maximum Non-Load Speed | 2300 RPM | ||
Over Speed Performance (Within 15 Seconds) | 2625 RPM | ||
The Clutch Torque @ 800Rpm | 1152 N.m | ||
Maximum Altitude At Which Continuous operation Is Allowed | 5200 m | ||
Supercharger outlet Exhaust Pressure limit Value | N/A | ||
Maximum Power of Exhaust Brake | N/A | ||
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Engine Performance Data Rated power of DCEC ISZ450-40 Automotive Drive Engine | |||||||
Engine Speed | 2100 RPM | 1600 RPM | 1200 RPM | Engine Speed | 2100 RPM | 1600 RPM | 1200 RPM |
Air to Turbo | 32.4 m³/min | 28.6 m³/min | 17.9 m³/min | Oil Pressure | 276 kPa | 259 kPa | 248 kPa |
Exhaust Flow | 66.0 m³/min | 61.5 m³/min | 47.1 m³/min | Air From Turbo | 192 kPa | 226 kPa | 169 kPa |
Fuel Consumption | 73.0 kg/hr | 69.9 kg/hr | 55.8 kg/hr | Exhaust Temp | 418 ℃ | 431 ℃ | 516 ℃ |
Heat Rejection-Coolant | 148 kW | 134 kW | 122 kW | Coolant Flow | 510 L/min | 390 L/min | 294 L/min |
Friction Power | 58.0 kW | 29.0 kW | 25.0 kW | Heat Rejection-Air | 75 kW | 75 kW | 39 kW |
System Technical Data of DCEC Cummins ISZ450-40 Automotive Drive Engine | ||
Air Intake System | Maximum Temperature Rise Between Ambient Air and Engine Air Inlet | 11.1 ℃ |
Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Medium Duty | 30 ℃ | |
Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Heavy Duty | 6.2 kPa | |
Maximum Intake Restriction with Dirty Filter | 2.5 kPa | |
Exhaust System | Maximum Exhaust Resistance with Post-Treatment Device | 21 kPa |
The ,Aximum Static Bending Moment That the Exhaust Flange Surface can Bear | 27 N.m | |
Usually Suitable Exhaust Pipe Diameter | 125 mm | |
Lubrication System | Minimum oil pressure at idle | 89.6 kPa |
Full lubrication system volume | 45.42 L | |
Maximum velocity of lubrication system | 7.57 L/min | |
Normal oil pressure range for heat engines | 207-345 kPa | |
Cooling System | Engine coolant volume | 23.1 L |
The thermostat adjusts the standard temperature | 82 ℃ | |
Full opening temperature of thermostat | 94 ℃ | |
Maximum Coolant Pressure (Without Pressure Cap, thermostat off) | 407 kPa | |
Maximum Coolant Temperature (Engine Outlet) | 102 ℃ | |
Maximum Degassing Time | 25 mins | |
Maximum Coolant Flow to Accessories at 1700 RPM | 76 L | |
Minimum coolant temperature | 71 ℃ | |
Minimum water addition rate | 19 litre/min | |
Maximum coolant expansion volume (percentage of cooling system capacity) | 10% | |
Minimum coolant expansion volume (percentage of cooling system capacity) | 6% | |
The minimum allowable cap pressure | 103 kPa | |
Normal operating temperature of a fan with a fan clutch | 95 ℃ | |
Maximum intercooler resistance | 10.1 kPa | |
Minimum cooling capacity | N/A | |
Cold Starting System | Minimum cold starting temperature without auxiliary starting device | -15 ℃ |
Minimum cold starting temperature with auxiliary starting device | -30 ℃ | |
Fuel System | Maximum Oil Inlet Resistance Of The Oil Transfer Pump With A Clean Filter | 13.5 kPa |
Maximum Fuel Return Resistance | 17 kPa | |
Minimum Oil Discharge Capacity Of Fuel Tank | 0.2 m³/hr | |
Maximum Fuel Temperature (At The Fuel Pump Inlet) | 71 ℃ | |
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Scopes of Supply of DCEC ISZ450-40 Automotive Engine | ||||
Air Intake System | 1. Air Intake Manifold | Exhuast System | 1. Exhuast Manifold | |
2. Water-air Intercooler | 2. Turbocharger | |||
3. N/A | 3. Exhuast Elbow | |||
Fuel System | 1. Fuel transfer pump | Starting System | 1. Starter motor | |
2. High-pressure fuel pump | 2. Starter rely | |||
3. Fuel Filter | 3. N/A | |||
Charging System | 1. Charging alternator | Engine Shut-Down System | 1. Engine fuel shut-off solenoid | |
Lubricating System | 1. Oil pump | Cooling System | 1. Water pump | |
2. Oil filter | 2. Engine Fan | |||
3. N/A | 3. Standard radiator | |||
Power Output System | 1. Flywheel | Engine Mounting System | 1. Engine Mouting Bracket | |
2. Standard flywheel housing | 2. N/A | |||
Engine Auiliary Accessories | 1. Air compressor | |||
2. Power steering pump | ||||
——END—— |
Optional Accessories of DCEC ISZ450-40 Automotive Engine | ||||
Air Intake System | 1. Air Intake pre-heater | Exhuast System | 1. Muffler & bellows | |
2. Air intake shut-off valve | 2. Flame trap | |||
3. Air filter | 3. Spark arrestor type Muffler & bellows | |||
4. Air intake pre-filter | 4. DPF system | |||
5. Air filter alarm system | 5. N/A | |||
Fuel System | 1. Coarse Filter | Starting System | 1.Manual Magnetic DC Contactor | |
2. Fuel pre-heater | 2. Dual ears flywheel housing | |||
3. N/A | 3. Spring Starter Motor | |||
4. N/A | 4. Air Starter Motor | |||
5. N/A | 5. Hydraulic Starter Motor | |||
Lubricating System | 1. Oil pre-heater. | Cooling System | 1. Silent Type Radiator | |
2. N/A | 2. Plateau Radiator | |||
3. N/A | 3. Salt-Spray Resistant Radiator | |||
4. N/A | 4. Coolant pre-heater | |||
Power Output System | 1. Clutch | Engine Mounting System | 1. Shock absorber pad | |
Engine Auiliary Accessories | 1. Hydraulic oil pump | Control System | 1. Can add mechanical accelerator pedal | |
2. Air conditioner compressor | 2. N/A | |||
3. N/A | 3. N/A | |||
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Modifiable Components of DCEC ISZ450-40 Automotive Engine | ||||
Air Intake System | 1. Installation position of air filter | Exhuast System | 1. Can modify installation position and direction of | |
2. Upgrade to heavy-duty type air fitler | turbocharger | |||
3. N/A | 2. Water-cooled exhuast manifold | |||
4. N/A | 3. Water-cooled turbocharger | |||
Fuel System | 1. Upgrade to fuel fitler that integrated with fuel transfer | Starting System | 1. 12V starter motor for 12v electric system | |
pump and fuel pre-hearter | 2. Upgrading to specified brand and speicifications of | |||
2. N/A | starter motor | |||
Charging System | 1. 12V charging alternator for 12v electric system | Engine Shut-Down System | 1. 12V solenoid for 12v electric system | |
2. Explosion-proof charging alternator | 2. Explosion-proof solenoid | |||
3. Upgrading to specified brand and speicifications of | 3. N/A | |||
charging alternator | 4. N/A | |||
Lubricating System | 1. Oil Pan position | Cooling System | 1. Can modify engine fan into blower fan or suction fan | |
2. Number of dipstick | 2. Can modify central position of engine cooling fan | |||
3. Position of dipstick can choose from 6 positions | 3. Can choose type of engine fan from mechanical type or | |||
4. Can modify oil filter to be remote installation | electric type | |||
Power Output System | 1. Can modify size of flywheel housing and flywheel. | Engine Mounting System | 1. Can modify engine mouting bracket. | |
2. Dual-ear flywheel housing (For twin-starter system) | 2. N/A | |||
3. Some of models can modify flywheel housing into PTO | 3. N/A | |||
integrated type. | 4. N/A | |||
4. Engine have connecting port of PTOs, that able to | 5. N/A | |||
provide power output. | 6. N/A | |||
Engine Auiliary Accessories | 1. All of auxiliary system can choose specified brands and | |||
specifications. | ||||
2. Additional auxiliary systems can be added for special | ||||
applications. | ||||
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Note: All Above Data are Just for Referenece, All Data Might Change Without Notices or Update, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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