X72-1.2

X72-1.2

Engine details

Definitions

X72-1.2

IMO Tier II/Tier III (SCR)
Cylinder bore
720mm
Piston stroke
3086mm
Speed
63-89rpm
Mean effective pressure at R1
21bar
Stroke/bore ratio
4.29

Rated power, principal dimensions and weights

Output in kW at
89rpm 63rpm Length A
mm		 Dry mass
tonnes
Cyl. R1 R2 R3 R4
5 19600 14300 13900 10100 8085 481
6 23520 17160 16680 12120 9375 561
7 27440 20020 19460 14140 10665 642
8 31360 22880 22240 16160 11960 716
Output in kW at
89rpm 63rpm
Cyl. R1 R2 R3 R4
5 19600 14300 13900 10100
6 23520 17160 16680 12120
7 27440 20020 19460 14140
8 31360 22880 22240 16160
Cyl. Length A
mm		 Weight
tonnes
5 8085 481
6 9375 561
7 10665 642
8 11960 716

Dimensions
mm

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

Brake specific consumption (BSFC) in g/kWh

Rating point R1 R2 R3 R4
BMEP, bar 21.0 15.3 21.0 15.3
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 15.3 21.0 15.3
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

Engine documentation for X72-1.2