On the Water, Reliability is Everything !



KG Mechanical are dedicated marine specialists, and a quality Yanmar Dealer. We maintain all types of marine vessels from the weekend fisherman to the professional, from the part time sailor to the full time world traveller.

Being authorised dealers for YANMAR, PERKINS and IVECO marine and industrial engines and ZF marine transmissions, allows access to genuine parts and technical information.

We provide quality service for all Yanmar diesel engines, pumps, and generators. We cover Papua New Guinea, Torres Strait, Solomon Islands, North Queensland and the Northern Territory.

BY3 Shaft Drive Series 150-260mhp

BY3_Shaft_Drive Series_150-260mhp
Hailed as setting new standards for the boating industry, the leading-edge BY3 series engines continue at the same output as their predecessors but incorporate many upgrades, including the reprogramming of the ECU from torque to speed control, providing even smoother operation and better synchronisation on twin-engine applications. Choose from shaftdrive or the hydrodynamic YANMAR ZT350 sterndrive. These tough but lightweight, common rail electronic BY3 diesel meet the latest EPA and RCD emissions regulations.

Model Max Output (kw/rpm) Bore X Stroke (mm) Displacement (Litres) Gearbox Ratio Gearbox Model Dry weight (kg)
4BY3-150A 110kW(150mhp)/4000 84*90mm 1.995 2.04 KMH41A 269
4BY3-180A 132Kw(180mhp)/4000 84*90mm 1.995 2.04 KMH41A 308
6BY3-160A 117kW(160mhp)/2800 84*90mm 2.993 2.13 KMH50A 375
6BY3-220A 162kW(220mhp)/4000 84*90mm 2.993 2.13 KMH50A 375
6BY3-260A 191kW(260mhp)/4000 84*90mm 2.993 2.13 KMH50A 375