You are looking at a John Deere 6081 Power-Tech series Marine Diesel engine rated 375 HP@2600 RPM
John Deere 6081 Marine Diesel engine rated 375 HP@2600 RPM Power Plant H/E cooled (bullet proof) , 
excellent running take out with only 1500 Hrs, this power plant is a very low hrs used not new, was recently 
take out of commissionfor EPA regulations and is sold in"As is where is conditions", no warranty expressed 
or implied by seller or on behalf of the manufacturer, engine runs 
accordingly manufacturer specs at: johndeeremarine.com
 
Since Reported Hrs : 1500
 
Model: John Deere 6081 Marine Diesel engine rated 375 HP@2600 RPM/ without Transmission (bobtail) 
 
SER: RG6081A294622    ARR#:294622
 
NOT Including the gauge panel OR wiring harness, comes with alternator and starter the transmission is not included ( only what you see depicted in the photos is what you get.