Ditch Witch RT80 - Manual (Page 187)

Specifications - 186
RT80Q Operator’s Manual
H813 Trencher
*with 4’ (1.2 m) roller boom and 70K chain
N Soil discharge reach, short auger 17 in 430 mm
Soil discharge reach, long auger 30 in 760 mm
Attachment weight* 2422 lb 1099 kg
Operation U.S. Metric
Headshaft speeds @ 2600 engine rpm
low speed motor 174 rpm 174 rpm
standard speed motor 219 rpm 219 rpm
high speed motor 275 rpm 275 rpm
Digging chain speed with 10-tooth, 3.067” (78 mm) pitch headshaft sprocket
low speed motor 452 ft/min 168 m/min
standard speed motor 569 ft/min 174 m/min
high speed motor 715 ft/min 218 m/min
Digging chain speed with 12-tooth, 2.0” (50 mm) pitch headshaft sprocket
low speed motor 352 ft/min 107 m/min
standard speed motor 443 ft/min 135 m/min
high speed motor 557 ft/min 170 m/min
Digging chain speed with 14-tooth, 2.0” (50 mm) pitch headshaft sprocket
low speed motor 410 ft/min 125 m/min
standard speed motor 515 ft/min 157 m/min
high speed motor 647 ft/min 197 m/min
Vibration Level
Average vibration transmitted to the operator’s hand and whole body while trenching in rock is 6 m/s
2
and 0.81 m/s
2
respectively.