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DEUTZ 914 Series (Tier 3 and 4i) Diesel Engine

3 – 6 Cylinder Diesel Engines
40 – 174hp
Tier 3 & 4i

DEUTZ 914 Series engines are 3 to 6-cylinder, naturally aspirated engines. The engine series is purely mechanical, and well known for its robust design and compatibility with high sulfur fuels. Individual cylinder and parts interchangeability within the 914 series reduces inventory and service costs. This makes it ideal for mining and military applications.

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General Details
  • Air-cooled 3 to 6-cylinder naturally aspirated engines, with an inline arrangement.
  • 6-cylinder with turbocharging, charge-air cooled.
  • Robust design allows worldwide operation, even with high sulfur fuels.
  • Low noise emissions due to acoustically optimized components, offering smooth operation and high durability.
  • Highly efficient injection and combustion system ensures optimum engine performance, with low fuel consumption.
  • Very compact design reduces installation costs.
  • The engines in the power range <55 kW meets US EPA Tier 4i standards.
Technical Data
Engine type D 914 L3D 914 L4D 914 L5D 914 L6TCD 914 L6
No. of cylinders34566
Bore/strokemm | in102/132|4.0/5.2102/132|4.0/5.2102/132|4.0/5.2102/132|4.0/5.2102/132|4.0/5.2
Capacityl | cu in3.2 |1954.3 |2625,4 |3306.5 |3976.5 |397
Compression ratio21:0121:0121:0121:0119:01
Nominal speedsmin-1 | rpm2000 - 23002000 - 23002000 - 230023002300
Power output as per ISO 143961)kW | hp43 |5858 |7872.5 |97.286.5 |116129.9 |174.2
at speedmin-1 | rpm23002300230023002300
Max. torqueNm | lb/ft204 |150.5273 |201.4337 |248.6375 |276.6650 |479.4
at speedmin-1 | rpm15001500150015001600
Minimum idling speedmin-1 | rpm700700650-700650-700650-700
Specific fuel consumption2)g/kWh | lb/hph225|0.37220|0.362218|0.358220|0.362220|0.362
Weightas per DIN 70020 Part 7A2)kg | lb277 |611307 |677380 |838420 |926510 |1124
1)Capacity data without deduction of fan capacity
2)Best full load consumption refers to diesel with a density of 0.835 kg/dm3 at 15°C | 6.96 lb/US gallon at 60°F
3)Without starter/dynamo, cooler and fluids but with flywheel and flywheel housing
4)850 Nm | 627 lb-ft with switched internal EGR (exhaust gas return)
5)Mechanical injection system
The data on this data sheet are for information purposes only and are not binding values. The data in the quotation is definitive.

 

Torque Curves

d914-torque-curve-table-2

Dimensions

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