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.


This JCB G Drive unit offers superior power and robustness. It is a highly reliable engine with low operational noise and excellent load response.

Model Cont. Output (HP/rpm) Bore X Stroke (mm) Displacement (Litres) Cooling Type Aspiration Dry weight (kg)
320/50204 52kWm 103*132mm 4.399 Water Natural 572
320/50205 62kWm 103*132mm 4.399 Water Turbocharged 580
320/50206 81kWm 103*132mm 4.399 Water Turbocharged 580
320/50207 110kWm 103*132mm 4.399 Water Turbocharged 618
320/50208 122kWm 106*135mm 4.765 Water Turbocharged 591
320/50243 125kWm 106*135mm 4.765 Water Turbocharged 591
320/50401 104kWm 106*135mm 4.765 Water Turbocharged 591