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I have what I believe is a 600 series tractor, 650 to be exact. The problem I ran into is that the model # shows it as an 850 made in 1956. The emblem on the hood is for 600 series. Were the parts interchangable from an 850 to a 650, especially where the # info is stamped? My numbers go, {model#} 850 then between the diamonds {serial#}98909
Decoding the 3 digit model numbers on Hundred series tractors -
First number
6** - Four wheel utility type with adjustable front axle, 134 ci gas or LP-gas engine 7** - High clearance row crop with134 ci gas or LP-gas engine
8** - Four wheel utility type with adjustable front axle, 172 ci gas or LP-gas engine 9** - High clearance row crop type, 172 ci gas or LP-gas engine
Second number
*2* - Four speed transmission, no PTO or 3 point lift
*3* - Four speed transmission, no PTO
*4* - Four speed transmission with PTO and 3 point lift
*5* - Five speed transmission with 3 point lift and non-live PTO*6* - Five speed transmission with 3 point lift and live PTO
Third number
**0 - Hundred series, '55 - '57
Hundred Series tractor serial numbers -
1954 Serial number 1 - 10614
1955 Serial number 10615 - 77270
1956 Serial number 77271 - 116367 1957 Serial number 116368 - up
From my understanding this would have been a 1956 850{????} with 5 speed trans and non-live PTO. It looks like the only difference between the 2 would be the 134ci engine compared too the 172ci engine???
Decoding the 3 digit model numbers on Hundred series tractors -
First number
6** - Four wheel utility type with adjustable front axle, 134 ci gas or LP-gas engine 7** - High clearance row crop with134 ci gas or LP-gas engine
8** - Four wheel utility type with adjustable front axle, 172 ci gas or LP-gas engine 9** - High clearance row crop type, 172 ci gas or LP-gas engine
Second number
*2* - Four speed transmission, no PTO or 3 point lift
*3* - Four speed transmission, no PTO
*4* - Four speed transmission with PTO and 3 point lift
*5* - Five speed transmission with 3 point lift and non-live PTO*6* - Five speed transmission with 3 point lift and live PTO
Third number
**0 - Hundred series, '55 - '57
Hundred Series tractor serial numbers -
1954 Serial number 1 - 10614
1955 Serial number 10615 - 77270
1956 Serial number 77271 - 116367 1957 Serial number 116368 - up
From my understanding this would have been a 1956 850{????} with 5 speed trans and non-live PTO. It looks like the only difference between the 2 would be the 134ci engine compared too the 172ci engine???