CHE SERIES

[4CHE3]

No.of Cylinder 4
Cylinder Bore 105mm
Stroke 125mm
Displacement [lit] 4.330
Combution system Direct injection
Aspiration Natural aspirated

[6CHE3, 6CH]

No.of Cylinder 6
Cylinder Bore 105mm
Stroke 125mm
Displacement [lit] 6.494
Combution system Direct injection
Aspiration Turbocharger+intercooler

Main Data

Model	4CHE3		6CHE3		6CH-HTE3		6CH-WDTE		6CH-WUTE
Rating	M	L	M	L	M	L	M	L	M	L
Rated output [kW(mhp)/rpm]	57.4 (78) /2550	62.5 (85) /2600	84.6 (115) /2550	95.6 (130) /2600	125 (170) /2550	140 (190) /2600	154 (209) /2550	169 (230) /2600	188 (255) /2550	206 (280) /2600
Emission							IMO TierⅡ
Starting system	Electric starting motor (24V 4.0kW)
Cooling system	Heat exchanger
Marine gear	Hydraulic
Size of flywheel housing and flywheel	SAE #3 and 11-1/2 in.
Dry mass (with marine gear) [kg]	570		700		795 (YX-50S-4)	900 (YX-71-4)	900 (YK-71-4)		940 (YK-71-4)
Dimensions (L×W×H) [mm]	1258×688×1022 (YK30-2)		1496×690×1018 (YX30-2)		1575 ×736 ×1096 (YX-50S-4)	1600 ×736 ×1096 (YX-71-4)	1600 ×736 ×1096 (YX-71-4)		1600 ×736 ×1096 (YX-71)

Engine model	4CHE3 M-rating ・L-rating	6CH-HTE3 M-rating・L-rating		6CH-WUTE/6CH-WDTE M-rating・L-rating
Model	YX-30-2	YX-50S-4	YX-71-4	YX-71-4
Type	Hydraulic multi-disc clutch, wet type
Reduction ratio [Ahead]	2.03 2.55 2.96 3.48	2.03 2.48 2.88	3.53	2.07 2.58 2.91 3.53
Direction of rotation [propeller shaft]	Clockwise or counter-clockwise viewed from stern
Dry weight [kg]	70	120	220	120	270