Boat engine : in-board diesel engine 341-455 hp
(shaft-drive) John Deere
6125 A

The 12.5L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with sea water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.

Ratings M4 M3 M2 M1
Rated Power--hp (kW) 526 (392) 455 (339) 400 (298) 341 (254)
Rated Speed--rpm 2100 2000 1900 1800
Low Idle Speed--rpm 600 600 600 600
Peak Torque--lb-ft (N.m) 1624(2202) 1492(2023) 1409(1910) 1409 (1910)
Peak Torque Speed--rpm1700 1600 1200 1200

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