I'll post some spec's in the hope it will help others in their tractor quest.
.............................. L S J2023H......... kubota
B2320........
B2620.........
BX2370.......... J D 1025R.............. 2025R
Engine HP ....................23............................ 23............... 26 ...............23 .....................23.9................. 24.2
PTO HP...................... 17.5........................... 17 ...............19 ..............17.7.................... 18 ....................18
Engine RPM............... 2700.......................... 2800........... 2800............ 3200................... 3200................ 2500
Fuel Cap. (gal.)........... 6.6............................. 6.9............. 6.9............... 6.6...................... 5.6.................. 6.1
Hyd. total (gpm)......... 9.2.............................. 8.3............ 8.3................ 6.2...................... 6.3.................. 5.6
length w/hitch(")........ 103......................... 93.5(w/o hitch) 95.1(w/o hitch) 95.5 .....................?..................109.2(w/o hitch)
Width (minimum")..... 44.9............................ 45.1............ 49................. 44.5.................... 47.4................ 48.3
Wheelbase(")............ 59............................... 61.5........... 61.5............... 55.1.................... 57.1.................. 63
Weight (lbs)............ 1565............................ 1477........... 1554.............. 1466.................... 1444................ 1660