John Deere Marine Diesel Engines

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AMTI is an authorized service center for John Deere Marine Diesel Engines. We are authorized to sell, service, and maintain your John Marine Diesel Engine. Call us for your engine and transmission needs. 

John Deere's Definitions of Engine Applications

John Deere 4- and 6-cylinder inline 75-450 hp (56-336 kW) diesel engines are available for propulsion, auxiliary, and gen-set installations. "M" power rating guidelines assure your engine provides reliable and long lasting performance.

M1

For propulsion applications that may operate up to 24 hours a day at uninterrupted full power. These applications typically operate for over 3,000 hours/year. M1 rating includes ISO8665 "Standard power" and the SAE J1228 "crankshaft power" ratings.

M2

For propulsion applications that may utilize full power up to 16 of each 24 hours of operation. These applications typically operate at full power as much as 65 percent of the time and accumulate as many as 3,000 hours/year.

M3

For propulsion applications that utilize full power no more than 4 of each 12 hours of operation. These applications typically operate at full power as much as 35 percent of the time and accumulate as many as 2,000 hours/year.

M4

For propulsion applications that utilize full power no more than 1 of each 12 hours of operation. These applications typically operate at full power only 15 percent of the time or less and accumulate as many as 800 hours/year.

M5

For propulsion applications that may utilize full power up to 30 minutes out of each 6 hours of operation. These applications typically operate at full power up to 8 percent of the time and accumulate as many as 300 hours/year.