AY SERIES

[6AYM]

PRINCIPAL DATA

No.of Cylinder 6
Cylinder Bore 155mm
Stroke 180mm
Displacement [lit] 20.379
Combution system Direct injection
Aspiration Turbocharger+Intercooler

[12AYM]

PRINCIPAL DATA

No.of Cylinder 12 V-type
Cylinder Bore 155mm
Stroke 180mm
Displacement [lit] 40.76
Combution system Direct injection
Aspiration Turbocharger+Intercooler

Main Data

Specifications

Model	6AYAM-ET	6AYM-WST	6AYM-WET		6AYM-WGT
Rating	C	C	C	M	L
Rated Output [kW(mhp)/min^-1]	555(755) /1840	485(659) /1900	555(755) /1840	610(829) /1900	670(911) /1938
Starting system	Electric starting motor (24V 7.0kW)
Emission	IMO TierⅡ EPA TierⅢ	IMO TierⅡ
Cooling system	Keel cooling (optional Heat exchanger)	Heat exchanger
Size of flywheel housing and flywheel	SAE #0 and 18 in.
Dry mass [kg]	2295 (without marine gear)	2365 (without marine gear)
Dimensions (L×W×H) [mm]	1949×1274×1544	2000×1305×1431

Model	12AYM-WST	12AYM-WET		12AYM-WGT
Rating	H	H	M	L
Rated Output [kW(mhp)/min^-1]	882(1199)/1850	1140(1550)/1840	1220(1659)/1900	1340(1822)/1940
Rated Output [kW(mhp)/min^-1]	1030(1400)/1900	1140(1550)/1840	1220(1659)/1900	1340(1822)/1940
Emission	IMO TierⅡ
Starting system	Electric starting motor (24V-8.0kW)×2 or air motor×2
Cooling system	Constant high temperature cooling system
Size of flywheel housing and flywheel	SAE #00 and 21 in.
Dry mass [kg]	4950 (without marine gear)
Dimensions (L×W×H) [mm]	2743×1642×1707

Marine Gear Specifications

Engine model : 6AYAM-ET	C-rating
Model	YXH-240
Type	Hydraulic multi-disc clutch
Reduction ratio (Ahead)	1.95 2.27 2.56 3.03 3.48
Direction of rotation (propeller shaft)	Clockwise or counterclockwise
Dry weight [kg]	632

Engine model : 6AYM-WST	C-rating
Model	YX-181	YX-180L
Type	Hydraulic multi-disc clutch
Reduction ratio (Ahead)	2.08 2.55 3.03	3.50 4.00 4.54
Direction of rotation (propeller shaft)	Clockwise or counterclockwise
Dry weight [kg]	560	680

Engine model : 6AYM-WET	C-rating	M-rating
Model	YXH-240	YXH-240
Type	Hydraulic multi-disc clutch
Reduction ratio (Ahead)	1.95 2.27 2.56 3.03 3.48	1.95 2.27 2.56 3.03 3.48
Direction of rotation (propeller shaft)	Clockwise or counterclockwise
Dry weight [kg]	365	632

Engine model : 6AYM-WGT	L-rating
Model	YXH-240
Type	Hydraulic multi-disc clutch
Reduction ratio (Ahead)	1.95 2.27 2.56 3.03 3.48
Direction of rotation (propeller shaft)	Clockwise or counterclockwise
Dry weight [kg]	632