RT80 Operator’s Manual Specifications - 147
Operation U.S. Metric
Maximum breakover angle at full depth 5° 5°
Quantity of cutting teeth on wheel (5”, 6”, 7”) 28, 32, 40 28, 32, 40
Counterweight required. Contact your Ditch Witch dealer for counterweight requirements.
Power Train
Cutting bit types: Rotating, self-sharpening conical bit with spring retainer. Carbide cap or carbide insert
available.
Cutter wheel type: 5” (127 mm), 6” (152 mm), or 7” (178 mm) steel wheel with welded on bit segments.
Wheel motor: 15.2 in
3
(250 cc) geroter motor.
Wheel shaft bearings: one 5.75” (146 mm) and one 4.31” (110 mm) spherical roller bearing.
Lift provision: one 4” (107 mm) hydraulic cylinder.
Spoil placement: two-way diverter displaces spoils on both sides approximately 12-18” (305-457 mm)
from trench; one-way diverter displaces spoils on either left or right side of trench.
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