"Fairbanks-Morse built 'Opposed-Piston' "
3 years ago I delivered a surplus navy YTB class, 110" tug around from the right side and it had a 10 cylinder Fairbanks-Morse (OP) 'Opposed-Piston main engine, 2 cycle, 2000 HP. 10 cylinders and 20 pistons, with a crank on the top and bottom. The submarine at the San Francisco Maritime museum has an "OP" for a main engine also.
Kerry....Thanks for posting that, very interesting, talk about lots of parts flying around
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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug
"Lifes too short to drive a boring car"