I agree with Patrick... <font color=blue>7' may be a stretch...</font color=blue>
and why are you considering a "tow" unit versus a 3-pt?
Bush Hog rates the 84T
minimum 25 PTO HP, that I find really hard to believe...
SPECIFICATIONS
Model SQ84T
Cutting Width 84 inches
Cutting Height 2 - 12 inches
Dimensions (w x l) 87 x 75 inches
Type Hitch Category 1 with 9-in. offset
Deck Thickness 11 gauge
Side Bands 7-3/8" x 11 gauge
Driveshaft ASAE Category 3
Gearbox 60 HP (main), 45 HP (outboard)
Slip Protection Slip clutch
Blade Holders Oval type
Blades 1/2 x 3 inches
Blade Tip Speed (540 rpm) 11,500 fpm
Recomm. Tractor HP 25 to 50
Front & Rear Deflectors Standard - Front belting and rear bands
Approx. Weight 720 lbs.