Ditch Witch RT55 - Manual (Page 156)

RT55 T4i Operator’s Manual
Specifications - 155
RT55 Tractor
Power Train
Ground drive transmission: hydrostatic
Differentials: planetary front and rear with optional rear steering
Parking brake: spring applied, pressure released
Tires: 31 x 15.50-15 8-ply bar lug; inflate to 40 psi (276 kPa) maximum. 35 x 19-16.1 12-ply bar lug;
inflate to 55 psi (379 kPa) maximum.
Attachment drive transmission: hydrostatic, lever-operated speed infinitely variable from zero to
maximum
Hydraulic System U.S. Metric
Ground drive pump capacity at 2600 rpm 32 gpm 121 L/min
Ground drive pump relief pressure at 2600 rpm 5000 psi 345 bar
Attachment pump capacity at 2600 rpm 32 gpm 121 L/min
Attachment pump relief pressure at 2600 rpm
forward 5450 psi 376 bar
reverse 3550 psi 245 bar
Auxiliary pump (tandem pump) capacity at 2600 rpm
front pump 8 gpm 30 L/min
rear pump 6 gpm 23 L/min
Auxiliary pump relief pressure at 2600 rpm 3000 psi 207 bar
Fluid Capacities U.S. Metric
Fuel tank (Use low sulfur or ultra low sulfur fuel only.) 19.5 gal 74 L
Engine oil 16 qt 15 L
Hydraulic reservoir 12 gal 45 L
Hydraulic system 20 gal 76 L