Equipment Specifications Library
Basic Model Information
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Manufacturer:Ditch Witch
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Model:AT120
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Rig Size:100,001 - 200,000 lbs pullback
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Additional Info
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.
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.
This information is provided for informational purposes only. HDD Broker LLC cannot warrant the accuracy or completeness of this information. This information is subject to change by the manufacturer. Some specifications may vary by model year.