DCEC ISZ525-40C Automotive Engine
DCEC L300-20 automotive engine is a 6-cylinders in line, 8.9 liter four-strokes engine with 114mm bore and 145mm stroke, equipped with Bosch P7100 pump and RQV-K governor. DCEC L300-20 automotive engine comes with turbocharger and Air-Air intercooler, with a EURO II post-processor.
The prime power at 2200RPM of DCEC L300-20 automotive engine is 300 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.
Advantages of DCEC ISZ525-40C Automotive Engine
Lower oil consumption，Extended stroke，the expansion of the combustion gas more fully, Increase effective efficiency output, the economy is better.
Strong power，advanced 4 air valves structure, greater horsepower, air burning more thoroughly, while making low speed torque increase, quicken response speedily, climb strongly.
Excellent reliability, with compulsive cold cut articulated pistons, Can bear extreme high mechanical load and heat load, Strength can be comparable with heavy engine.
Better emissions, Decorate injector and symmetrical combustion chamber in center, make the cylinder is more homogeneous mixture, burning more fully, lower emissions.
Super life, 30% engines 800,000 km without overhaul.
Excellence power, Clean burning, use the advanced lean-burn closed loop electronic control system.
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
| Engine Model: | ISZ525-40C |
| Engine Type: | 6 |
| Displacement: | 13 L |
| Rated Speed: | 2100 RPM |
| Rated Power: | 525 HP @ 2100 RPM |
| Peak Torque: | 2508 N.m @ 1200 RPM |
| Fuel System: | XPI Fuel System |
| Aspiration Method: | Turbocharged & Air-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 |
| ——END—— | ||||
General Infomation of DCEC ISZ525-40C Automotive Engine | |||
| Engine Model | ISZ525-40C | Advertised Power | 525 HP @ 2100 RPM |
| Peak Torque | 2508 N.m @ 1200 RPM | Curve&Datasheet | FR 20241 |
| Fuel System | XPI Fuel System | No. Of Cylinders | 6 |
| Aspiration | Turbocharged & Air-Air Intercooler | Displacement | 13 L |
| Bore*Storke | 130 mm * 163 mm | CPL Code Revision | 43354 |
| Dry Weight | 1195 kg | Wet Weight | 1260 kg |
| Compression Ratio | 17:01 | ||
Installation Data of DCEC ISZ525-40C 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 m | ||
| 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 | ||
| ——END—— | |||
Engine Performance Data Rated power of DCEC ISZ525-40C Automotive Drive Engine | |||
| Governed Speed | Peak Power Speed | Peak Torque Speed | |
| Engine Speed | 2100 RPM | 1600 RPM | 1200 RPM |
| Oil Pressure | 331 kPa | 296 kPa | 263 kPa |
| The Air Flow | 33.1 m³/min | 28.8 m³/min | 18.4 m³/min |
| The Flow Rate of Pressurized Air | 37.6 kg/min | 33 kg/min | 21 kg/min |
| Pressurized Air Pressure | 233 kPa | 260 kPa | 196 kPa |
| The Exhaust Flow | 69.4 m³/min | 69.1 m³/min | 48.7 m³/min |
| Exhaust Temperature | 473 ℃ | 502 ℃ | 509 ℃ |
| Fuel Consumption | 84.4 kg/hr | 82.6 kg/hr | 62.1 kg/hr |
| Coolant Flow | 510 l/min | 390 l/min | 294 l/min |
| Heat Loss Coolant | 148 kW | 146 kW | 128 kW |
| Heat Loss Air | N/A | N/A | N/A |
| Mechanical Loss of Power | 58 kW | 29 kW | 25 kW |
| ——END—— | |||
System Technical Data of DCEC ISZ525-40C 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 | 6.2 kPa | |
| Maximum Intake Restriction With Dry Type Air Cleaner,With Clean Filter-Heavy Duty | 2.5 kPa | |
| Maximum Intake Restriction With Dirty Filter | N/A | |
| Turbocharged & Intercooled | Maximum Intake Temperature Rise Between The Environment And The Intake Manifold | N/A |
| Maximum Allowable Pressure Difference Before And After Intercooling-Three-Level | N/A | |
| Minimum Inlet Pipe Diameter Allowed-Three-Level | N/A | |
| Exhaust System | Maximum exhaust back pressure（kPa） | 21 kPa |
| Maximum allowable static bending moment at turbocharger exhaust outlet flange（N.m） | 27 N.m | |
| Maximum Static Bend Allowed For Turbocharger Exhaust Flange | 125 mm | |
| Lubrication System | Oil Pressure @ idle – ( Minimum) (kPa) | 89.6 kPa |
| Total System Capacity (litre) | 45.42 L | |
| Maximum Lube Oil Flow to all Accessories ( liter/min) | 7.57 l/min | |
| Maximum Oil Pressure Spike on a Cold Engine (kPa) | N/A | |
| Typical Oil Pressure Range on a warm engine (kPa) | 207-345 kPa | |
| Cooling System | Coolant Capacity – Engine only | 23.1 L |
| Standard Thermostat (Modulating) Range | 82-94 ℃ | |
| Minimum Fill Rate ( Without Low Level Alarm) | 19 l/min | |
| Minimum Coolant Expansion Space – % of System Capacity | 6% | |
| Water Tank Capacity Without Water Expansion | N/A | |
| Maximum Coolant Pressure (Without Pressure Cap, Thermostat Closed) | 40.7 kPa | |
| Maximum Degassing Time | 25 mins | |
| Maximum Coolant Flow To Accessories | N/A | |
| Maximum Coolant Temperature Engine out | 107 ℃ | |
| Minimum Allows Pressure of Pressure Cap | 50 kPa | |
| Minimum Recommended Coolant Temperature | 70 ℃ | |
| Common Operating Temperature Range of Fans With Fan Clutch | 95 ℃ | |
| Maximum Coolent Temperature For Engine Protection Control | 103 ℃ | |
| The Limit Environmental Temperature At Rated Speed | N/A | |
| The Limit Environmental Temperature At Peak Torque | N/A | |
| 24V Electrical System | Maximum Allowable Resistance of Cranking Circuit | N/A |
| The Cold Start Current When Engine And The Clutch Separate | 900 CCA | |
| Cold Starting System | Maximum Unaided Cold Start Temperature | -15 ℃ |
| Maximum Aided Cold Start Temperature | -30 ℃ | |
| Fuel System | Maximum Fuel Return Resistance | 27 kPa |
| Maximum Inlet Resistance of oil Pump With Clean Filter | 13.5 kPa | |
| Minimum Discharge Capacity Of Mailbox | 5.36 kg/hr | |
| Maximum design fuel flow (kg/hr) | 204 kg/hr | |
| ——END—— | ||
Scopes of Supply of DCEC ISZ525-40C 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 ISZ525-40C 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 | |||
| ——END—— | ||||
As part of EMAC, DuraMac is Committed to providing reliable powertrain system to commercial vehicle manufacturers around the world, a sub-brand of EMAC group that focusing on automotive application. Based on dozens of world-class engine manufacturing resources in China, and as official exporting agent of Fast tranmission (Joint venture with Caterpillar AT tranmission), Dongfeng Dana axle and Komman air suspension, DuraMac provides one-stop solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support. For more information of our automotive power system products, you are welcome to visit DuraMac homepage: www.duramac.com
Modifiable Components of DCEC ISZ525-40C 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. | ||||
| ——END—— | ||||
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.
Engine Sale Manual
Installation Drawing
Installation Manual
Operation Manual
Parts Catalogue
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