DCEC L340-20 Automotive Engine

DCEC L340-20 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 L340-20 automotive engine comes with turbocharger and Air-Air intercooler, with a EURO II post-processor. The prime power at 2200RPM of DCEC L340-20 automotive engine is 340HP.
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.

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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 L340-20 Automotive Engine

Engine Model:	L340-20
Engine Type:	6
Displacement:	8.9 L
Rated Speed:	2200 RPM
Aspiration Method:	Turbocharged & Intercooler
Emission Standard:	N/A
*BoreStorke:**	114 mm * 145 mm
*Packing Size(LWH):*	N/A
Wet Weight:	680 kg
Lead Time:	15-30 Working Days
Payment Terms:	T/T ,L/C

Engine Model	Advertised Power	Peak Torque	Number Of Cylinders	Fuel System
L300-20	300 HP @ 2200 RPM	1180 N.m @ 1400 RPM	6 Cylinders	Bosch P7100 Pump
L325-20	325 HP @ 2200 RPM	1230 N.m @ 1400 RPM	6 Cylinders	Bosch P7100 Pump
L340-20	340 HP @ 2200 RPM	1350 N.m @ 1400 RPM	6 Cylinders	Bosch P7100 Pump
L340-30	340 HP @ 2200 RPM	1350 N.m @ 1400 RPM	6 Cylinders	Weifu PH Pump
L360-20	360 HP @ 2200 RPM	1480 N.m @ 1400 RPM	6 Cylinders	Bosch P7100 Pump
L360-30	360 HP @ 2200 RPM	1480 N.m @ 1400 RPM	6 Cylinders	Weifu PH Pump
L375-30	375 HP @ 2200 RPM	1480 N.m @ 1400 RPM	6 Cylinders	Weifu PH Pump
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General Infomation of DCEC L340-20 Automotive Engine
Engine Model	L340-20	Advertised Power	340 HP @ 2200 RPM
Peak Torque	1350 N.m @ 1400 RPM	Curve & Datasheet	FR 91719
Fuel System	Bosch P7100 Pump / RQV-K	No. Of Cylinders	6
Aspiration	Turbocharged & Intercooler	Displacement	8.9 L
*BoreStorke**	114 mm * 145 mm	CPL Code Revision	8686
Dry Weight	650 kg	Wet Weight	680 kg
Compression Ratio	16.6:1

Installation Data of DCEC L340-20 Automotive Engine
Center of Gravity. Distance From Front Face of Block		427 mm
Center of Gravity. Distance Above Crank Centerline(Above Crankshaft)		163 mm
Maximum Bending Moment At Rear Face of Block		1356 N.m
Maximum Crankshaft Thrust Bearing load limit- Intermittent load		5338 N
Maximum Crankshaft Thrust Bearing load limit-Continuous load		2670 N
Instantaneous Inertia At Rotating: (Without Flywheel)		N/A
Emissions Certification		GB17691/GB14761
Idle Speed		750±100 RPM
Maximum Non-Load Speed		2500 RPM
Over Speed Performance (Within 15 Seconds)		3500 RPM
The Clutch Torque @ 800Rpm		780 N.m
Maximum Altitude At Which Continuous operation Is Allowed		2000 m
Supercharger outlet Exhaust Pressure limit Value		450 kPa
Maximum Power of Exhaust Brake		114 kW
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Engine Performance Data Rated power of DCEC L340-20 Automotive Drive Engine
	Rated Power	Torque Peak		Rated Power	Torque Peak
Engine Speed	2200 RPM	1400 RPM	Exhaust Temperature	511 ℃	540 ℃
Oil Pressure	426 kPa	327 kPa	Fuel Consumption	67 l/hr	46 l/hr
The Air Flow	25 kg/min	16 kg/min	Coolant Flow	280 l/m	175 l/m
The Flow Rate of Pressurized Air	N/A	N/A	Heat Loss Coolant	116 kW	72 kW
Pressurized Air Pressure	180 kPa	140 kPa	Heat Loss Air	73 kW	33 kW
The Exhaust Flow	62 kg/hr	38 kg/hr	Mechanical Loss of Power	36.5 kW	17 kW

System Technical Data of DCEC L340-20 Automotive Drive Engine
Air Intake System	Maximum Temperature Rise Between Ambient Air and Engine Air Inlet	15 ℃
	Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Medium Duty	2.9 (300) kPa (mmH2O)
	Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Heavy Duty	3.7 (380)kPa (mmH2O)
	Maximum Intake Restriction with Dirty Filter	6.2 (635)kPa (mmH2O)

Turbocharged & Intercooled	Maximum Intake Manifold Temperature-Second Level	55 ℃
	Maximum Intake Manifold Temperature-Three-Level	50 ℃
	Intercooler Cooling Temperature-Second Level	25 ℃
	Intercooler Cooling Temperature-Three-Level	20 ℃
	Maximum Allowable Pressure Difference before and After Intercooling-Three-Level	16.7 (125) kPa (mmHg)
	Minimum Inlet Pipe Diameter Allowed-Three-Level	65 mm

Exhaust System	Maximum Back Pressure Imposed by Complete Exhaust System	10.0 (75) kPa (mmHg)
	Exhaust Pipe Size Normally Accepable	75 mm
	Maximum Static Bend Allowed for Turbocharger Exhaust Flange	N/A

Lubrication System	Low oil Level Inclination Angle-Front Up	N/A
	Low oil Level Inclination Angle-Back Up	N/A
	Low oil Level Inclination Angle-Fuel Pump Side Up	N/A
	Low oil Level Inclination Angle-Exhaust Side Up	N/A
	Oil Sump Capacity-Upper Limit	19 L
	Oil Sump Capacity-Lower Limit	15.2 L
	Capacity of The Whole System	23.6 L

Cooling System	Coolant Capacity – Engine only	12.3 L
	Standard Thermostat (Modulating) Range	83-95 ℃
	Minimum Fill Rate ( Without Low Level Alarm)	19 l/min
	Minimum Coolant Expansion Space – % of System Capacity	6%
	Water Tank Capacity without Water Expansion	6 L
	Maximum Coolant Pressure (Without Pressure Cap, Thermostat Closed)	280 kPa
	Maximum Degassing Time	25 mins
	Maximum Coolant Flow to Accessories	56 l/min
	Maximum Coolant Temperature Engine out	100 ℃
	Minimum Allows Pressure of Pressure Cap	50 kPa
	Minimum Recommended Coolant Temperature	70 ℃
	Common Operating Temperature Range of Fans with Fan Clutch	75-80 ℃
	Maximum Coolent Temperature for Engine Protection Control	100 ℃
	The Limit Environmental Temperature at Rated Speed	Second Level 55 ℃;Three-Level 50 ℃
	The Limit Environmental Temperature at Peak Torque	Second Level 25 ℃;Three-Level 20 ℃

24V Electrical System	Maximum Allowable Resistance of Cranking Circuit	0.002 Ω
24V Electrical System	The Cold Start Current When Engine and The Clutch Separate	510 CCA

Cold Starting System	Maximum Unaided Cold Start Temperature	120 RPM -10 ℃
Cold Starting System	Maximum Aided Cold Start Temperature	110 RPM -25 ℃

Fuel System	Maximum Fuel Return Resistance	520 (mmHg)
Fuel System	Maximum Inlet Resistance of oil Pump with Clean Filter	150 (mmHg)
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Scopes of Supply of DCEC L340-20 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 Puel 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
Power Output System	2. Standard Fflywheel Housing	Engine Mounting System	2. N/A

Engine Auiliary Accessories	1. Air Compressor
Engine Auiliary Accessories	2. Power Steering Pump
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Optional Accessories of DCEC L340-20 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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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 L340-20 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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