Minimum radius 55” (1400 mm) 75” (1905 mm)
Capacity to drive over obstacles 3.9” (100 mm) 3.9” (100 mm)
Ground clearance 4½” (114 mm) 4½” (114 mm)
Turning space 78¾”<2000 mm 78¾”<2000 mm
Test data
Weight test dummy 350 lbs (160 kg)
Operating force
Operating-handle power < 60 N
Resetting automatic fuse (circuit breaker) < 60 N
Electronic switches < 15 N
Inserting charging plug < 60 N
Technical data
Diameter front wheel (3 wheel) 12½ " x 4¼” (310 x 108 mm)
Diameter front wheel (4 wheel) 11½ " x 4¼” (292 x 108 mm)
Diameter rear wheels 12½” x 4¼” (310 x 108 mm)
Tire pressure 4 wheels, front 50 psi
Tire pressure 4 wheels, rear 50 psi
Tire pressure 3 wheels, front 3.5 psi
Tire pressure 3 wheels, rear 50 psi
Batteries Fortress Winner
3W
Fortress Winner 4W
Battery capacity 80 Ah/20h 80 Ah/20h
Maximum permissible charging
voltage (per battery)
13.6 V 13.6 V
Connector type A DIN 72311 A DIN 72311