Your B2620 = #1500, 23hp, hydrostat trans 4WD, #1350 lift at ends of hitch.
Video of 24 hp tractor pulling a 2 furrow plough.
(Ferguson TEA 20 = #2500, 24hp, mechanical trans, 2WD, lift unknown but say #1000 at ends of hitch.)
Unknown ballast situation with either of these... the fergie...