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• Fabricante:
  Ditch Witch
• Modelo:
  AT120
• Tamaño de la plataforma:
  100,001 - 200,000 lbs pullback

OPERATION
Maximum Spindle Speed: 200 rpm
Maximum Spindle Speed (AT inner spindle): 250 rpm
Maximum Spindle Torque: 15,500 ft-lb (21015 Nm)
Maximum Spindle Torque (AT inner spindle): 3,000 ft-lb (4067 Nm)
Carriage Thrust Travel Speed: 210 fpm (64 m/min)
Carriage Pullback Travel Speed: 210 fpm (64 m/min)
Thrust Force: 120,000 lb (533.8 kN)
Pullback Force: 120,000 lb (533.8 kN)
Bore Diameter: 6.5 in (165 mm)
Backreamer Diameter: Soil dependent
Ground Travel Speed Forward / Reverse: 2.8 mph (5 km/h)

POWER
Engine: Cummins QSB6.7
Fuel: Diesel
Cooling Medium: Liquid
Injection: Direct
Aspiration: Turbocharged and Charge Air Cooled
Cylinders: 6
Displacement: 409 cubic inches (6.7 L)
Bore: 4.21 in (107 mm)
Stroke: 4.88 in (124 mm)
Manufacturer’s Gross Power Rating: 280 hp (209 kW)
Rated Speed: 2,200 rpm
Emissions Compliance: EPA Tier 4F (EU Stage V)

DIMENSIONS
Length: 453 in (11.5 m)
Width: 100.4 in (2.55 m)
Height with Cab: 121.5 in (3.09 m)
Operating Weight: 49,761 lb (22571 kg)
Entry Angle: 12-18°
Angle of Approach: 17°
Angle of Departure: 17°

DRILLING FLUID SYSTEM
Maximum Pressure: 1,100 psi (76 bar)
Maximum Flow: 285 gpm (1079 l/min)

FLUID CAPACITIES
DEF Tank: 12.2 gal (46.3 L)
Hydraulic Reservoir: 39 gal (148 L)
Fuel Tank: 120 gal (454 L)
Engine Lubrication Oil with Filter: 18.5 qt (17.5 L)
Antifreeze Tank: 20 gal (76 L)

POWER PIPE HD (3.36DS)
Length of Drill Pipe: 240 in (6.09 m)
Diameter of Drill Pipe, tool joint end: 4.38 in (111.2 mm)
Diameter of Drill Pipe: 3.95 in (100 mm)
Minimum Bend Radius: 205 ft (62.5 m)
Weight of Drill Pipe Lined: 296 lb (134.2 kg)

ALL TERRAIN PIPE (3.36DS)
Length of Drill Pipe: 240 in (6.09 m)
Diameter of Drill Pipe, tool joint end: 4.38 in (111.2 mm)
Diameter of Drill Pipe: 3.95 in (100 mm)
Minimum Bend Radius: 205 ft (62.5 m)
Weight of Drill Pipe: 395 lb (179.1 kg)

BATTERY (2 USED)
SAE Reserve Capacity Rating: 175 min
SAE Cold Crank Rating @ 0°F (-18°C): 950 amps

NOISE LEVEL
Operator Sound Pressure per ISO 6394: < or = 80 dBA

VIBRATION LEVEL
Average vibration transmitted to the operator’s hand and whole body during normal operation does not exceed 2.5 and 0.5 m/sec 2 respectively.