Model Comparison - Click Product Image to See Product Page Product Image GoPet Model Max Dog Weight Running Area Speed Range Length x Width Weight Features GoPet PR700 40 lbs 18 kg 28" L x 16" W 71x40.5cm 1 - 7.4 mph 1.6-12 km 47" L x 26" W 119.4 x 66 cm 63 lbs 29.5 kg Gradual StartRemote Control1 hp Motor GoPet PR710F 85 lbs 38.5 kg 42" L x 16" W 106x40.5cm 1 - 8 mph 1.6-13 km 60" L x 24" W 152.4 x 61 cm 83 lbs 37.7 kg Gradual StartRemote ControlIncline AdjustUpright Fold1 hp Motor GoPet PR720F 130 lbs 59 kg 52" L x 16" W 132x40.5cm 1 - 8 mph 1.6-13 km 70"L x 25"W 178 x 63.5 cm 120 lbs 54.4 kg Gradual StartRemote ControlIncline AdjustUpright Fold1 hp Motor GoPet PR725 175 lbs 79.4 kg 71" L x 16" W 180x40.5cm 1 - 10 mph 1.6-16 km 90"L x 24"W 229 x 61 cm 137 lbs 62 kg Gradual StartRemote ControlIncline AdjustEnclosure1.25 hp Motor GoPet PR730 260 lbs 118 kg 98"L x 25"W 249x63.5cm 1 - 10 mph 1.6-16 km 100"L x 34"W 254 x 86 cm 273 lbs 124 kg Gradual StartControl PanelIncline AdjustEnclosure1.5 hp Motor