AGCO ST22A is pretty much the same tractor as Massey Ferguson GC2300. The ST22A and JD 2305 have a 68.5cu.in. engine which is bigger than all other subCUT tractors. All other companies' subCUTs have engine sizes between 54 and 61 cu. in. The difference between JD & AGCO is the JD is rated @ 3,000 rpm while the AGCO is rated @ 2,600 rpm.
Other specs on AGCO ST22A:
Eng. HP = 22.5 @ 2600 rpm
PTO HP = 18.7 @ 2600rpm
2 range hydrostatic transmission with cruise control,
lift capacity @ hitch point = 1213 lbs.
wheelbase = 57.1"
overall length = 97.6"
width = 45.8"
ht. over ROPS = 72.4"
weight = 1367 lbs.
hydraulic flow @ remotes = 4.1gpm
Hope this helps!