RT80 Operator’s Manual Specifications - 141
RT80 Tractor
Power Train
Ground drive transmission: hydrostatic
Differentials: planetary front and rear with optional rear steering
Parking brake: manual lever drum brake
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 (380 kPa) maximum.
Attachment drive transmission: hydrostatic, electric lever-operated speed infinitely variable from zero to
maximum
Hydraulic System U.S. Metric
Ground drive pump capacity at 2600 rpm 31 gpm 117 L/min
Ground drive pump relief pressure at 2600 rpm 5500 psi 380 bar
Attachment pump capacity at 2600 rpm 31 gpm 114 L/min
Attachment pump relief pressure at 2600 rpm
forward 5500 psi 380 bar
reverse 3550 psi 245 bar
Auxiliary 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 30 gal 114 L
Engine oil 16 qt 15 L
Hydraulic reservoir 12 gal 45 L
Hydraulic system 20 gal 76 L
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