Ditch Witch RT80 - Manual (Page 185)

Specifications - 184
RT80Q Operator’s Manual
H810 Trencher
Operation U.S. Metric
Headshaft speeds at 2600 engine rpm
Ratio low 170 rpm 170 rpm
Ratio standard 208 rpm 208 rpm
Ratio high (not recommended) 280 rpm 280 rpm
Digging chain speeds at 2600 engine rpm
Ratio low 485 ft/min 148 m/min
Ratio standard 592 ft/min 180 m/min
Ratio high (not recommended) 798 ft/min 243 m/min