RLB88

Member
I have an engine block that I need to figure out what it is. The number on it is 106085AA, 221020F
2122. Is this a 310 block, 283, or 265? Or are they the same depending on bore and stroke? Thanks for your help
 
   The crankcase with number 106 085AA was used in the "A" series 1800 tractors.  Same block used for gas, LP or Dsl.  Gas or LP was 265 Cu In and Dsl was 283 Cu In.  The casting was poured on February 12, 1962 just before the "B" series.
 

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