Toro Owners Manual - Enlarge page 1 
From inside (document excerpt):
ransPro 80 & 100 Safely and easily transports one or two walk greensmowers to and from the green. TRANSPRO 80, MODEL 04238* LOAD CAPACITY SUSPENSION TRANSPORT SPEED RAMP HITCH TOWING BED FINISH AxLES DIMENSIONS Rust/corrosion-resistant paint Heavy-duty stub Greaseable Height: 19 ” (48 3 cm) Width: 62 ” (157 5 cm) Length: 81 ” (205 7 cm) Easily adjustable to fit all Toro walk greensmowers 400 lbs (181 6 kg) including weight of trailer Large low pressure tires (20 x 10-8) Maximum of 15 mph (24 km/h) Quick latch to secure loading ramp during transport Rubber mats to protect front roller Flat Ramp Kit and Rail and Ramp Kit optional Pin type hitch is standard; tongue is 2 5 ” (6 4 cm) wide and adjustable in length (will accept standard ball hitch) TRANSPRO 100, MODEL 04240* 800 lbs (363 kg) including weight of trailer Quick latch to secure loading ramp during transport Rubber to protect front roller and provide safe surface during loading unloading of Greensmaster Hole extrusions High Rail Ramp Kit optional Pin type hitch is standard; tongue is 2 ” (5 cm) wide and adjustable in length (will accept standard ball hitch) Designed to tow behind a utility vehicle; tongue height 7 “-13 ” (18-33 cm); maximum tongue load 55 lbs (25 kg) Incorporates a tongue stand and tongue lift handle Hold down bails fold around mower tires to during transport Drain holes in trailer bed for greensmower on trailer, allowing water and trailer floor Height: 36 ” (91 4 cm) Width: 60 5 ” (153 7 cm) Length: 101 ” (256 5 cm) For 21 ” mowers with transport tires std Kits available for conversion to fit 18 ” Rail kits available for 18 and 21 ” mowers Not recommended for Greensmaster 1600 TRANSPRO 80 ACCESSORIES 04245 Flat Ramp Kit 04244 Rail Ramp Kit 107-8188 Hitch Kit *Specifications and design subject to change without notice TRANSPRO 100 ACCESSORIES 04246 High Rail Ramp Kit 110-7355 18 ” Transport Wheel Conversion Kit 110-7345 18 ” Rail Conversion Kit 40