In-line 4 Cylinder Turbo Intercooler series.

Engine Model	UM4BG1TCX	UM4BD1TC3
No.of Cylinder - Bore() x Stroke(mm)	4-105 x 125	6-102 x 118
Displacement(L)	4.329	3.856
Max.Output - light duty (kW/min-1)*1	147/2800	107/2800
Max.Output - medium duty (kW/min-1)*2	117/2700	96/2700
Combustion Type	Direct injection	Direct injection
Cooling system	Indirect sea water	Indirect sea water
Dry weight(kg)	831	565
Overall L x W x H(mm)	1023 x 647  x 805	1182 x 721 x 967
Specified fuel	Diesel (ASTM D975 No2-D)	Diesel (ASTM D975 No2-D)

Engine Model UM4JG1TCX UM4JB1TCX No.of Cylinder - Bore() x Stroke(mm) 4-95.4 x 107 4-93 x 102 Displacement(L) 3.059 2.771 Max.Output - light duty (kW/min-1)*1 107/3200 84/3200 Max.Output - medium duty (kW/min-1)*2 94/3100 81/3100 Combustion Type Direct injection Direct injection Cooling system Indirect sea water Indirect sea water Dry weight(kg) 445 405 Overall L x W x H(mm) 1182 x 749 x 860 1023 x 647 x 805 Specified fuel Diesel (ASTM D975 No2-D) Diesel (ASTM D975 No2-D)

*1 Light Duty ; Full power could be utilized maximum 2 hours per 12 hours operation.
*2 Midium Duty ; Full power could be unitlized maximum 4 hours per 12 hours operation.