Ditch Witch RT Line - Manual (Page 98)

RT12/RT16/RT20/RT24 Operator’s Manual
Specifications - 97
RT12
CMW
General
Ditch Witch model RT12, self-propelled, hydrostatic, pedestrian, skid steered, two wheel drive rigid frame,
chain type trencher.
Operational U.S. Metric
Vehicle speeds
Equipped with tires:
Maximum transit forward 280 fpm 85.3 m/min
Maximum transit reverse 114 fpm 34.7 m/min
Equipped with wheel tracks:
Maximum transit forward 198 fpm 60 m/min
Maximum transit reverse 97 fpm 29.5 m/min
Digging chain speed:
10 tooth sprocket 324 fpm 98.7 m/min
12 tooth sprocket 389 fpm 118.5 m/min
Spoils handling (single, open-end auger):
Outer diameter 12 in 305 mm
Inner diameter 4 in 102mm
Length 9 in 229 mm
Operating weight (with 33,000-lb [14 969-kg] test, two-pitch digging chain
and 24” [610-mm] roller boom) 1020 lb 463 kg
Operating weight (with 35,000-lb [15 876-kg] test, 4.6” [117 mm] Combo
Shark digging chain, RotoWitch, backfill blade, tracks and trench
cleaner) 1461 lb 664 kg
Power U.S. Metric
Engine: Honda 11.7hp iGX390, gasoline
Cooling medium: air
Number of cylinders: one
Displacement
23.7 in
3
389 cm
3
Torque @ 2500 rpm 19.5 ft-lb 26.4 N-m
Gross power @ 3600 rpm 11.7 hp 8.7 kW
Rated speed 3600 rpm 3600 rpm