X62-1.1

X62-1.1

The most compact engine in its class of very low shaft speed engines

Designed for vessels with slim hull lines, X62-1.1 offers high propulsion efficiency in a unique combination of low engine revolutions and an engine design with a minimum physical width.

Thanks to the engine’s agility, it is the optimum choice for several vessel segments, like Aframax tankers, Panamax/Kamsarmax bulk carriers, as well as feeder container vessels. For container vessels, the extended layout field offers the possibility to select the optimum propeller speed for a wide range of propeller diameters. The main parameters result in the engine and piston dismantling height being minimised; an essentiality for this type of application where engine room heights are limited.
This 620mm bore engine is available in 5-cylinder up to 8-cylinder configuration, covering a power range from 7,950 to 23,200kW at 77 to 103rpm.

Fuel Types

  • D D

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 X62-B with proven reliability
  • Low service costs

    Low service costs

    Long Time Between Overhaul

  • Dual-fuel ready

    Dual-fuel ready

    LNG/Methanol/Ammonia

Engine details

Definitions Download

X62-1.1

IMO Tier II/Tier III (SCR)
Cylinder bore
620mm
Piston stroke
2658mm
Speed
77-103rpm
Mean effective pressure at R1
21bar
Stroke/bore ratio
4.29

Rated power, principal dimensions and weights

Output in kW at
103rpm 77rpm Length A
mm		 Dry mass
tonnes
Cyl. R1 R2 R3 R4
5 14500 10650 10800 7950 7000 325
6 17400 12780 12960 9450 8110 377
7 20300 14910 15120 11130 9215 435
8 23200 17040 17280 12720 10320 482
Output in kW at
103rpm 77rpm
Cyl. R1 R2 R3 R4
5 14500 10650 10800 7950
6 17400 12780 12960 9450
7 20300 14910 15120 11130
8 23200 17040 17280 12720
Cyl. Length A
mm		 Weight
tonnes
5 7000 325
6 8110 377
7 9215 435
8 10320 482

Dimensions
mm

B C D
4200 1360 9580
F1 F2 F3 G
11830 11830 11005 2110

Brake specific consumption (BSFC) in g/kWh

Rating point R1 R2 R3 R4
BMEP, bar 21.0 15.5 21.0 15.4
BSFC (g/kWh) Delta Bypass Tuning, 100% power, Tier II 167.8 162.3 166.8 162.3
R1 BSFC (g/kWh), Tier II Power(%)
50 65 75 90 100
Delta Bypass Tuning 160.7 158.8 159.3 162.1 167.8
Low-load Tuning 157.2 155.3 159.3 162.5 168.8

Brake specific consumption (BSFC) in g/kWh

Rating point R1 R2 R3 R4
BMEP, bar, 21.0 15.5 21.0 15.4
BSFC (g/kWh), Delta Bypass Tuning, 100% power, Tier II 167.8 162.3 166.8 162.3

R1 BSFC (g/kWh), Tier II

Power (%)
50 65 75 90 100
Delta Bypass Tuning 160.7 158.8 159.3 162.1 167.8
Low-load Tuning 157.2 155.3 159.3 162.5 168.8

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.

Definitions Download

Engine documentation for X62-1.1


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Headquartered in Switzerland, powering merchant shipping since 1893

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