Specifications - 138 RT80 Operator’s Manual
RT80 Tractor
L
3
Wheelbase 60 in 1.5 m
L
4
Rear axle center to rear attachment mounting holes 14.7 in 373 mm
W
Width 76 in 1.9 m
W
2
Tread 58 in 1.5 m
General
Ditch Witch model RT55 tractor, 4-wheel drive, rigid frame, hydrostatic ground drive through rubber
tires, 4-wheel steering, hydrostatic attachment drive, riding unit
Operation (with 31 x 15.50-15 tire) U.S. Metric
Forward speeds
Low gearbox/low motor 2.16 mph 3.47 km/h
Low gearbox/high motor 3.40 mph 5.50 km/h
High gearbox/low motor 6.10 mph 9.89 km/h
High gearbox/high motor 9.40 mph 15.20 km/h
Reverse speeds
Low gearbox/low motor 0.90 mph 1.44 km/h
Low gearbox/high motor 1.40 mph 2.31 km/h
High gearbox/low motor 2.70 mph 4.34 km/h
High gearbox/high motor 4 mph 6.40 km/h
Vehicle clearance circle (SAE) wall to wall with backfill blade
Front steer only 33.5 ft 10.2 m
Coordinated steer 21.5 ft 65 m
Ground clearance 10 in 254 mm
Basic unit weight without front cast weight 5620 lb 2549 kg
Maximum allowable tractor weight 13100 lb 5942 kg
Front counterweight 1915 lb 870 kg