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550 engine

J

j williams

Member
I just purchased a 550 with serial # 81248-519 specification # 45-0254 Which i find to be a mid year 1959 model . I believe Oliver changed the piston size sometime during that year. Can someone tell me whether i have the smaller version or the larger size.
 
(quoted from post at 06:57:34 05/27/19) I just purchased a 550 with serial # 81248-519 specification # 45-0254 Which i find to be a mid year 1959 model . I believe Oliver changed the piston size sometime during that year. Can someone tell me whether i have the smaller version or the larger size.
Click to expand...
ee info below from AGCO parts book.
http://www.agcopartsbooks.com/PartsBooksN/Viewer/book.aspx?book=agco/43310600
100672ASA 4 Sleeve And Piston Package - 3-1/2 Bore (Alternate 163108-AS) (S/N 60501 - 72831) (Gas)
Add to Pick List 163108AS 4 Sleeve And Piston Package - 3-1/2 Bore (S/N 60501 - 72831) (Gas)
Add to Pick List 103383AS 4 Sleeve And Piston Package - 3-5/8 Bore (Alternate 163114-AS) (S/N 72832 -) (Gas)
Add to Pick List 163114AS 1 Sleeve And Piston Package - 3-5/8 Bore (Alternate 161132-AS) (S/N 72832 -) (Gas)
Add to Pick List 161132AS 4 Sleeve And Piston Package - 3-5/8 Bore (S/N 72832 -) (Gas)
Add to Pick List 100673ASA 4 Sleeve And Piston Package - 3-1/2 Bore (Alternate 100673-ASB) (S/N 60501 - 72831) (Diesel)
Add to Pick List 100673ASB 4 Sleeve And Piston Package - 3-1/2 Bore (Alternate 163109-AS) (S/N 60501 - 72831) (Diesel)
Add to Pick List 163109AS 4 Sleeve And Piston Package - 3-1/2 Bore (S/N 60501 - 72831) (Diesel)
Add to Pick List 103384AS 4 Sleeve And Piston Package - 3-5/8 Bore (Alternate 163115-AS) (S/N 72832 -) (Diesel)
Add to Pick List 163115AS 4 Sleeve And Piston Package - 3-5/8 Bore (Alternate 161345-AS) (S/N 72832
 
As it mentioned below it is the 155 cubic inch engine but there were many changes that went with the increase in displacement. Questions?
 
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