Recreational Marine Engines

4045 engine

Propulsion Engines

60-559 kW, 80-750 hp

6090 engine

Generator Drive and Constant Speed Auxiliary Engines

40-416 kW, 54-558 hp

Close up of the John Deere logo on an engine block

New Products

Check out our latest engine and drivetrain components

Vol. 2 2019

About Marine PowerSource

Captains and boat owners around the world rely on John Deere engines to power their work — and their adventures. Read how our customers power their livelihoods on the water.

Marine Engine Model Naming Key

Engine Model Naming Guide

engine installation

Repowering Your Vessel

Man working on a John Deere engine

OEM Engine and Drivetrain Warranty