B140-33 Automotive Engine
DCEC B140-33 automotive engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102mm bore and 120mm stroke, equipped with Bosch pump. DCEC B140-33 automotive engine comes with turbocharger and Air- Air intercooler, with a EURO III post-processor. The prime power at 2500RPM of DCEC EQB140-33 automotive engine is 140 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 B 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 B 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.Adhering to the proven reliability of DCEC B series engines, advanced design makes parts and components less than other similar engines by more than 25%, and the engine failure rate is much lower than other similar products.
2.Adopt imported Japanese Denso high pressure common rail fuel system, with injection pressure up to 1800bar, higher injection accuracy, fuller fuel atomization, lower fuel consumption, and improved cold start performance.
3.The advanced design makes the engine parts and components extremely versatile, and the versatility with mechanical B engine parts reaches 80%, which greatly improves the availability of maintenance spare parts.
4.Tailored specifically to the needs of users in the Chinese market, while ensuring excellent quality, it is more cost-effective.
5.The low-speed torque of the engine is greatly improved, the large torque range is wide, the whole vehicle accelerates fast, and the mountain driving is also abundant.
6.The multiple electronic control functions of the engine make the driving of the whole vehicle easier and more convenient, and the decoration cover is added to further reduce the engine noise and improve the driving environment.
7.The appearance of the engine is slightly different from that of the mechanical B machine, and it is easier to upgrade the whole vehicle to National III and National IV.
8.The engine is equipped with an intake air preheating device, and it can start smoothly even at -35°C.
Technical Specifications
Basic Introduction of DCEC B140-33 Automotive Engine
Engine Model: | B140-33 |
Engine Type: | 4 |
Displacement: | 3.9 L |
Rated Speed: | 2500 RPM |
Aspiration Method: | Turbocharged & Air-Air Intercooler |
Emission Standard: | N/A |
Bore*Storke: | 102 mm * 120 mm |
Packing Size(L*W*H): | N/A |
Wet Weight: | N/A |
Lead Time: | 15-30 Working Days |
Payment Terms: | T/T ,L/C |

Engine Model | Advertised Power | Peak Torque | Number Of Cylinders | Fuel System |
B140-33 | 140 HP @ 2500 RPM | 502 N.m @ 1500 RPM | 4 Cylinders | BYC Pump / RQVK |
B170-33 | 170 HP @ 2500 RPM | 560 N.m @ 1300 RPM | 6 Cylinders | BYC Pump / RQVK |
B190-33 | 190 HP @ 2500 RPM | 640 N.m @ 1300-1500 RPM | 6 Cylinders | BYC Pump / RQVK |
B210-33 | 210 HP @ 2500 RPM | 700 N.m @ 1500 RPM | 6 Cylinders | Weifu PH Pump / RQVK |
——END—— |
General Infomation of DCEC B140-33 Automotive Engine | |||
Engine Model | B140-33 | Advertised Power | 140 HP @ 2500 RPM |
Peak Torque | 502 N.m @ 1500 RPM | Curve & Datasheet | FR 93076 |
Fuel System | BYC Pump / RQVK | No. Of Cylinders | 4 |
Aspiration | Turbocharged & Air-Air Intercooler | Displacement | 3.9 L |
Bore*Storke | 102 mm * 120 mm | CPL Code Revision | 3411 |
Dry Weight | N/A | Wet Weight | N/A |
Compression Ratio | N/A | ||
Installation Data of DCEC B140-33 Automotive Engine | |||
Center of Gravity. Distance From Front Face of Block | N/A | ||
Center of Gravity. Distance Above Crank Centerline(Above Crankshaft) | N/A | ||
Maximum Bending Moment At Rear Face of Block | N/A | ||
Maximum Crankshaft Thrust Bearing load limit- Intermittent load | N/A | ||
Maximum Crankshaft Thrust Bearing load limit-Continuous load | N/A | ||
Instantaneous Inertia At Rotating: (Without Flywheel) | N/A | ||
Emissions Certification | N/A | ||
Idle Speed | 750 RPM | ||
Maximum Non-Load Speed | 2850 RPM | ||
Over Speed Performance (Within 15 Seconds) | 4200 RPM | ||
The Clutch Torque @ 800 RPM | 280 N.m | ||
Maximum Altitude At Which Continuous operation Is Allowed | 2500 m | ||
Supercharger outlet Exhaust Pressure limit Value | N/A | ||
Maximum Power of Exhaust Brake | N/A | ||
——END—— |
Engine Performance Data Rated power of DCEC EQB125-20 Automotive Drive Engine | |||||
Rated Power | Torque Peak | Rated Power | Torque Peak | ||
Engine Speed | 2800 RPM | 1500 RPM | Exhaust Temperature | 480 ℃ | 450 ℃ |
Oil Pressure | 400 kPa | 350 kPa | Fuel Consumption | 26 l/hr | 16 l/hr |
The Air Flow | 9.1 m³/min | 5.5 m³/min | Coolant Flow | 205 l/m | 110 l/m |
The Flow Rate of Pressurized Air | 10.2 kg/min | 6.4 kg/min | Heat Loss Coolant | 46 kW | 36.5 kW |
Pressurized Air Pressure | 120 kPa | 80 kPa | Heat Loss Air | 20 kW | 8.5 kW |
The Exhaust Flow | 21 m³/min | 13.4 m³/min | Mechanical Loss of Power | 24 kW | 10.9 kW |
System Technical Data of DCEC B140-33 Automotive Drive Engine | ||
Air Intake System | Maximum Temperature Rise Between Ambient Air And Engine Air Inlet | 15 ℃ |
Exhaust System | Maximum Exhaust Resistance Formed By The Exhaust System | 10 kPa |
Cooling System | Maximum Coolant Outlet Temperature Under 100 kPa Pressure Cap | 110 ℃ |
Maximum Coolant Pressure (Without Pressure Cap Thermostat Closed) | 276 kPa | |
Maximum Intake Temperature Rise Between The Intake Manifold And The Environment | 30 ℃ | |
Maximum Pressure Difference Between The Supercharger Compressor Outlet And The Intake Manifold Inlet | 13.5 kPa | |
Engine Protection Controls Maximum Coolant Temperature | N/A | |
——END—— |
Scopes of Supply of DCEC B140-33 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 B140-33 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 industrial power system products, you are welcome to visit ConeMac homepage: www.sino-gen.com
Modifiable Components of DCEC B140-33 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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