Ditch Witch RT30 - Manual (Page 89)

Specifications - 88
RT30 Operator’s Manual
RT30 Tractor with H210 Trencher
Power Train
Ground drive transmission: hydrostatic drive infinitely variable from zero to maximum, foot pedal and
hand lever operated speed/direction control
Differentials: Dana model 44
Service brake: ground drive speed/direction control brakes machine hydraulically when moved to
neutral position
Parking brake: disc, foot-operated
Tires: Load rating at 10 mph (16 km/h)
Front standard 18 x 9.50-8 2-ply bar lug inflated to
12 psi (0.8 bar)
695 lb 315 kg
Rear standard 26 x 12.00-12 4-ply bar lug; inflated to
20 psi (1.4 bar)
1780 lb 807 kg
Attachment drive transmission: hydrostatic, pedal-operated speed infinitely variable from zero to
maximum forward with limited stroke reverse
Hydraulic System U.S. Metric
Ground drive pump capacity @ 3000 rpm 18.7 gpm 70.8 L/min
Ground drive pump relief pressure 3500 psi 241 bar
Attachment pump capacity @ 3000 rpm 18.7 gpm 70.8 L/min
Trencher chain pump relief pressure 3500 psi 241 bar
Auxiliary pump capacity @ 3000 rpm 5.2 gpm 19.7 L/min
Auxiliary pump relief pressure 2500 psi 172 bar
Filtration: return/charge full flow; 15 psi (1 bar) bypass, 10 micron nominal