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Oliver Hart-Parr 32-50

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Oliver550Dave

Member
Saw a Oliver Hart-Parr 32-50 in a nearby town tonight. On rubber (not cut-offs), 4-speed, pto, electric start, outside now but looks like it has been under shelter - good paint and tin. Any suggestion as to what one is valued? Looking online, seems like it might have been built in 1936 or 1937 as an upgrade of the 28-44.
 
See this:


https://oliverheritage.com/oliver-hart-parr-tractors/


Seems as though the only difference between that and the 28-44 was the higher compression head - and maybe some carb internals?
Compression upped from 4.4:1 (I think) to 5.5:1. So not surprising there were a few more ponies on tap.


So predecessor to the Oliver 99 which was rated at 52 HP at the drawbar? They changed to be Olivers in ?37, becoming the 90 and 99.
Definitely flange mounted mags (with the variable speed governor) and Marvel Shebler carb by then. Value? Dunno.


All good tractors in their day, but watch out for governor bearing/lube problems - they were supplied by a small diameter feed from the gallery.
 
As JS, only the smaller models were made as row crops or standards.


There was no ring gear fitted to the 18-27, 18-28 or 80 row crop flywheels, so no option for starters. Clutch housings were different for the standard tractors.


For anyone not sure of which size of tractor, the very obvious difference was the position of the starting handle - it passed through the frame on the 24-44, etc , but through the radiator bottom tank on the smaller series. ?Goggle? images have some of the wrong models in the pics.
 
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