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X72DF-A-1.0

X72DF-A-1.0

Designed for Suezmax tankers, Panamax and Sub-Panamax containers and Capesize bulkers

The X72DF-A-1.0 engine has a cylinder bore diameter of 720 mm and a piston stroke of 3,086 mm. The engine will be available with five to eight cylinders configuration being able to cover a power range of 10,600-31,360 kW at 66-89 rpm.
All data provided on this site is for information purposes only, explicitly non-binding and subject to changes without further notice.

 

Fuel Types

  • A A

Vessel types

  • Tanker
    Tanker
  • Container Vessel
    Container Vessel
  • Bulk Carrier
    Bulk Carrier
  • Multipurpose Vessel
    Multipurpose Vessel
  • Gas Carrier
    Gas Carrier
  • High reliability

    High reliability

    Based on the X72-B with proven reliability
  • High efficiency

    High efficiency

    Diesel cycle with high efficiency in both diesel and ammonia mode
  • Fuel flexibility

    Fuel flexibility

    Diesel - HFO - Ammonia

Engine details

X72DF-A-1.0

IMO Tier II/Tier III (SCR)
Cylinder bore
720mm
Piston stroke
3086mm
Speed
66-89rpm
Mean effective pressure at R1
21bar
Stroke/bore ratio
4.29

Rated power, principal dimensions and weights

Output in kW at
89rpm 66rpm Length A
mm
Dry mass
tonnes
Cyl. R1 R2 R3 R4
5 19600 14300 14550 10600 8085 505
6 23520 17160 17460 12720 9375 589
7 27440 20020 20370 14840 10665 674
8 31360 22880 23280 16960 11960 752
Output in kW at
89rpm 66rpm
Cyl. R1 R2 R3 R4
5 19600 14300 14550 10600
6 23520 17160 17460 12720
7 27440 20020 20370 14840
8 31360 22880 23280 16960
Cyl. Length A
mm
Weight
tonnes
5 8085 505
6 9375 589
7 10665 674
8 11960 752

Dimensions
mm

B C D
4780 1575 10790
F1 F2 F3 G
13750 13750 12820 2455

Brake specific consumption in gas mode

Rating point R1 R2 R3 R4
BSEC (energy) kJ/kWh 7209 6974 7166 6974
BSGC (gas) g/kWh 368.1 355.4 365.8 355.4
BSPC (pilot fuel) g/kWh 8.5 8.5 8.5 8.5

Brake specific fuel consumption in diesel mode

Rating point R1 R2 R3 R4
BSFC (diesel Tier II) kJ/kWh 168.8 163.3 167.8 163.3

Brake specific consumption in gas mode

Rating point R1 R2 R3 R4
BSEC (energy) 1 kJ/kWh 7209 6974 7166 6974
BSGC (gas) 2 g/kWh 368.1 355.4 365.8 355.4
BSPC (pilot fuel) 3 g/kWh 8.5 8.5 8.5 8.5

Brake specific fuel consumption in diesel mode

Rating point R1 R2 R3 R4
BSFC (diesel Tier II)1 kJ/kWh 168.8 163.3 167.8 163.3

iSCR available for 5-7 cylinder engines with one TC on exhaust side.

All data provided on this site is for information purposes only, explicitly non-binding and subject to changes without further notice.

Engine documentation for X72DF-A-1.0


Over a century of experience

Our engine history

It all began with Rudolph Diesel and the Sulzer Brothers

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