Beat me to it Roland
Picture is pretty small, but I do believe I see the top of a hydro lift lever, leading me to think it's either a 1450 or a 1650. Probably not a bad deal for $500, but the motor mounts are probably shot.
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'70 107 with k301 engine swap
'71 106 with 38" deck
'70 147
R with factory replacement k321, 42" deck
'61 Original with 38" timed deck
'63 70 "pinkie"
1863 with 54" deck
'46 Farmall H, '50 Farmall Cub
105 x2 (parts)