Rt120 operator’s manual – Ditch Witch RT120 User Manual
Page 200
RT120 Operator’s Manual
Specifications - 199
RT120 Tractor
Power Plant
U.S.
Metric
Engine: Deutz Tier 3 or Tier 4i TCD 3.6 L4 diesel, liquid cooled, 4 cyl, common rail direct injection,
turbocharged with charge air cooling, and Tier 4i with exhaust after treatment system (EAT).
Displacement
221 in
3
3.6 L
Bore
3.86 in
98 mm
Stroke
4.72 in
120 mm
Engine manufacturer’s gross power rating per SAE J1349
121 hp
90 kW
Estimated net power per SAE J1349
113 hp
84 kW
Rated speed
2300 rpm
2300 rpm
Maximum engine tilt angles*
Longitudinal
30°
30°
Lateral
30°
30°
*Exceeding these operating angles will cause engine damage. This DOES NOT IMPLY machine is
stable to maximum angle of safe engine operation.
Emissions compliance
EPA Tier 4i
EU Stage
lllb
Emissions compliance (Rest of World)
EPA Tier 3
EU Stage
llla
Power Train
Ground drive: hydrostatic
Differentials: planetary front and rear with optional rear steering
Service brake: hydrostatic disc, foot operated
Secondary brake: disc, foot operated
Parking brake: disc, hand operated
Tires: 38 x 18.00-20 14-ply bar lug flotation; inflate to 72 psi (4.9 bar)
Attachment drive: hydrostatic, lever-operated speed infinitely variable from zero to maximum
Hydraulic System
U.S.
Metric
Ground drive pump capacity at 2300 rpm
27.9 gpm
106 L/min
Ground drive pump relief pressure at 2300 rpm
5000 psi
345 bar
Attachment pump capacity at 2300 rpm
45.5 gpm
172 L/min