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DCEC QSB6.7-C170 Industrial Engine

DCEC Cummins QSB6.7-C170 Industrial engine is a 6-cylinders in line, 6.7 liter four-strokes engine with 107mm bore and 124mm stroke. Equipped with Electrically Control High-pressure Common Rail, engine comes with turbocharger and Air- Air Intercooler. The prime power for generator set 2000RPM of DCEC Cummins QSB6.7-C170 Industrial engine is 127 kW.
As part of EMAC, ConeMac provides industrial power pack solution that integrated with air intake, air exhaust, cooling system, control system, transmission and hydraulic accessories, We also supplying special products such as explosion proof engine, generator and water pump set, as well as ultra-low temperature condition engine power pack. 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 QSB6.7 Industrial Engine

1. The five key systems of the engine are developed and optimized and integrated by Cummins to ensure the reliability of the engine.
2. High pressure common rail fuel system (HPCR), fuel injection pressure up to 1600bar, rapid throttle response at different speeds, more efficient power output, better fuel economy, and lower noise.
3. Mature intelligent electronic control technology improves the overall performance of the engine, and the engine specifications can be tailored according to the application needs, and the self-diagnosis and self-protection capabilities are stronger.
4. The filter system is redesigned for oil products, and the fuel is adaptable and suitable for applications in various fields.

Introduction of QSB6.7-C170

Engine Model:QSB6.7-C170
Engine Type:6 Cylinders, in Line
Displacement:6.7 L
Rated Speed:2200 rpm
Aspiration Method:T & C
Emission Standard:Euro III
Fuel Consumption:N/A
Packing Size(L*W*H):N/A
Wet Weight:N/A
Lead Time:15-30 Working Days
Payment Terms:T/T ,L/C
Engine ModelEngine SpeedOutput PowerTorqueBore*StorkeFuel System
QSB6.7-C1332200rpm99KW431N.mN/ABosch Electronic
QSB6.7-C1702000rpm127KW605N.mN/ABosch Electronic
QSB6.7-C1902200rpm142KW616N.mN/ABosch Electronic
QSB6.7-C2202200rpm164KW712N.mN/ABosch Electronic
QSB6.7-C2602200rpm194KW842N.m107*124mm HPCR


General Infomation of DCEC Cummins QSB6.7-C170 Industrial Engine

Engine ModelQSB6.7-C170CPL Code40426
Compression Ratio17.2:1Rated Power127 kW @ 2000 rpm
170 HP @ 2000 rpm
No. Of Cylinders6 CylindersPeak Torque656 N.m @ 1400 rpm
Fuel SystemBosch ElectronicConfigurationD313001CX03
AspirationTurbocharged & Charge Air CooledPacking Size(L*W*H)N/A

Performance Data Rated Power of DCEC Cummins QSB6.7-C170 Industrial Engine

Rated PowerTorque PeakRated PowerTorque Peak
Engine Speed2000rpm1400rpmExhaust Gas Flow526l/s386l/s
Gross Power Output127KW96KWExhaust Gas Temperature425deg C484deg C
Torque605N.m656N.mMaximum Fuel Flow to Pump122kg/hr88kg/hr
Friction Horsepower22kW12kWHeat Rejection to Coolant60.8kW47.2kW
Intake Manifold Pressure148kPa112kPaHeat Rejection to Fuel1.4kW0.8kW
Turbo Comp. Outlet Pressure158kPa117kPaHeat Rejection to Ambient13.2kW11.8kW
Turbo Comp. Outlet Temperature155deg C133deg CHeat Rejection to Exhaust122.2kW91kW
Inlet Air Flow239l/s153l/sSteady State Smoke0.6Bosch0.3Bosch
Charge Air Flow17kg/min11kg/min   

 The picture of Performance Curve-DCEC Cummins QSB6.7-C170 Industrial Engine


Performance Data of DCEC Cummins QSB6.7-C170 Industrial Engine

Performance DataMax. Low Idle Speed1200rpm
Min. Low Idle Speed600rpm
Min. Engine Speed For Full Load Sustained Operation1600rpm
Air Intake SystemMax. Allowable Air Temperature Rise Over Ambient At Intake Manifold17delta deg C
Exhaust SystemMaximum Exhaust Back Pressure10.2kPa
Recommended Exhaust Piping Size (Inner Diameter)75mm
Cooling SystemMax. Intake Manifold Temperature At 25 Deg C (77 F) Ambient60deg C
Max. Allowable Pressure Drop Across Charge Air Cooler And Oem Cac Piping14kPa
Max. Intake Manifold Temperature Differential (Ambient to IMT) (IMTD)35delta deg C
Intake Manifold Temperature For Full Fan-ON43deg C
Max. Coolant Temperature For Engine Protection Controls114deg C
Max. Coolant Operating Temperature At Engine Outlet (Max. Top Tank Temp)107deg C
Lubrication SystemNominal Operating Oil Pressure——Min. Low Idle69kPa
Nominal Operating Oil Pressure——Max. Rated Speed380kPa
Min. Engine Oil Pressure For Engine Protection Devices——Min. Low Idle52kPa
Fuel SystemFuel Cooling Requirements (With Diesel Fuel)N/A
Max. Heat Rejection To Return Fuel At Max. Coolant And Inlet Fuel Temperature0.6kW
Fuel Return Flow Rate Of98kg/hr
Max. Supply Fuel Flow205kg/hr
Max. Return Fuel Flow126kg/hr
Engine Fuel Compatibility DF1, DF2
Max. Fuel Inlet Pressure100 kPa
Cranking SystemUnaided Cold Star——Min. Cranking Speed120rpm
Unaided Cold Star——Min. Ambient Temperature For Unaided Cold Start12deg C
Unaided Cold Star——Breakaway Torque At Minimum Unaided Cold Start Temperature350N.m
Aided Cold Start——Min. Ambient Temperature With Grid Heater Only32deg C
Aided Cold Start——Min. Ambient Temperature With Ether Only32deg C
Aided Cold Start——Min. Ambient Temperature With Coolant And Lube Heater Only40deg C
Cold Starting Aids Available Ether, Intake Manifold Heater, Block Heater,
Oil Pan Heater
Maximum parasitic load at 10 deg F @ 750 RPMN/A


Scopes of Supply of DCEC Cummins QSB6.7-C170 Industrial Engine

Fuel System1. Fuel Transfer PumpExhuast System1. Exhuast Manifold
2. High-Pressure Fuel Pump2. Turbocharger
3. Fuel Filter3. Exhuast Elbow
Air Intake System1. Air Intake ManifoldStarting System1. Starter Motor
2. Water-Air Intercooler2. Starter Rely
Cooling System1. Water PumpPower Output System1. Flywheel
2. Engine Fan2. Standard Flywheel Housing
3. Standard Radiator3. N/A
Lubricating System1. Oil PumpCharging System1. Charging Alternator
2. Oil Filter2. N/A
Engine Shut-Down System1. Engine Fuel Shut-Off SolenoidrEngine Mounting System1. Engine Mouting Bracket
Engine Auiliary Accessories1. Air Compressor


Optional Accessories of DCEC Cummins QSB6.7-C170 Industrial Engine

Air Intake System1. Air Intake Pre-HeaterExhuast System1. Muffler & Bellows
2. Air Intake Shut-Off Valve2. Flame Trap
3. Air Filter3. Spark Arrestor Type Muffler & Bellows
4. Air Intake Pre-Filter4. DPF System
5. Air Filter Alarm System5. N/A
Fuel System1. Coarse FilterLubricating System1. Oil Pre-Heater.
2. Fuel Pre-Heater2. N/A
Starting System1. Manual Magnetic Dc ContactorCooling System1. Silent Type Radiator
2. Dual Ears Flywheel Housing2. Plateau Radiator
3. Spring Starter Motor3. Salt-Spray Resistant Radiator
4. Air Starter Motor4. Coolant Pre-Heater
5. Hydraulic Starter Motor5. Jacket Water Heater
6. Manual Magnetic Dc Contactor6. N/A
Engine Auiliary Accessories1. Hydraulic Oil PumpControl System1. Can Add Engine Monitoring System, Contro System With Wiring Harness.
2. Air Conditioner Compressor2. Can Add Self-Protection System that Integrated with Alarm System.
Power Output System1. ClutchEngine Mounting System1. Shock Absorber Pad


Modifiable Components of DCEC Cummins  QSB6.7-C170 Industrial Engine

Air Intake System1. Installation Position of Air FilterCharging System1. 12V charging Alternator for 12v Electric System
2. Upgrade to Heavy-Duty Type Air Fitler2. Explosion-Proof Charging Alternator
3. N/A3. Upgrading to Specified Brand and Speicifications of Charging Alternator
Exhuast System1. Water-Cooled TurbochargerLubricating System1. Oil Pan Position
2. Water-Cooled Exhuast Manifold2. Number of Dipstick
3. Can Modify Installation Position And Direction Of Turbocharger3. Position of Dipstick Can Choose from 6 Positions
4. N/A4. Can Modify Oil Filter to be Remote Installation
Engine Shut-Down System1. 12V Solenoid for 12V Electric SystemStarting System1. Upgrading to Specified Brand and Speicifications of Starter Motor
2. Explosion-Proof Solenoid2. 12V Starter Motor for 12v Electric System
Fuel System1. Upgrade to Fuel Fitler that Integrated with Fuel Transfer Pump and Fuel Pre-HearterEngine Auiliary Accessories1. All of auxiliary System can Choose Specified Brands and Specifications.
2. N/A2. Additional Auxiliary Systems Can be Added for Special Applications.
Cooling System1. Can Modify Engine fan Into Blower Fan or Suction FanPower Output System1. Can Modify Size of Flywheel Housing and Flywheel.
2. Can Modify Central Position of Engine Cooling Fan2. Dual-Ear Flywheel Housing (For Twin-Starter System)
3. Can Choose Type of Engine Fan From Mechanical Type or Electric Type3. Some of Models can Modify Flywheel Housing Into PTO Integrated Type.
4. N/A4. Engine Have Connecting Port of PTOs, That Able to Provide Power Output.
Engine Mounting System1. Can Modify Engine Mouting Bracket.


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Sales Team

Generator Engine - Mr. Haden Wu

Marine Engine - Mrs. Hailey Tang

Automotive Engine - Mr. Vin Hu

Industrial Engine - Miss. Bella Huang

Pump Engine - Miss. Zora Zhou

Sales Director - Mr. Jasper Lee      

Service Team

Technical Service - Mr. Vin Hu

Customer Service - Mrs. Wendy Fu

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