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• Hersteller:
  Ditch Witch
• Modell:
  JT60
• Rig Größe:
  50,001 - 100,000 lbs pullback

DIMENSIONS
Length 331 in (8.41 m)
Width 87 in (2.21 m)
Height 101 in (2.57 m)
Operating weight 31,080 lb (14098 kg)
Entry angle 10-16°
Angle of approach 18°
Angle of departure 13°

OPERATION U.S. METRIC
Spindle speed, max 240 rpm
Spindle torque, max 9,000 ft-lb (12240 Nm)
Carriage thrust travel speed 100 fpm (30.5 m/min)
Carriage pullback travel speed 100 fpm (30.5 m/min)
Thrust force 60,000 lb (267 kN)
Pullback force 60,000 lb (267 kN)
Bore diameter 5 in (127 mm)
Backreamer diameter Soil dependent
Ground travel speed
Forward/reverse 2.5 mph (4 km/h)

POWER (TIER 3)
Engine Cummins QSB6.7
Fuel Diesel
Cooling medium Liquid
Injection Direct
Aspiration Turbocharged and charge air cooled
Number of cylinders 6
Displacement 409 in3 (6.7 L)
Bore 4.21 in (107 mm)
Stroke 4.88 in (124 mm)
Manufacturer’s gross power rating 190 hp (142 kW)
Rated speed 2,200 rpm
Emissions compliance EPA Tier 3 (EU Stage IIIA)

POWER (TIER 4)
Engine Cummins QSB6.7
Fuel Diesel
Cooling medium Liquid
Injection Direct
Aspiration Turbocharged and charge air cooled
Number of cylinders 6
Displacement 409 in3 (6.7 L)
Bore 4.21 in (107 mm)
Stroke 4.88 in (124 mm)
Manufacturer’s gross power rating 200 hp (149 kW)
Rated speed 2,200 rpm
Emissions compliance EPA Tier 4 (EU Stage IV)

DRILLING FLUID SYSTEM
Pressure, max 1,300 psi (90 bar)
Flow, max 150 gpm (560 l/min)

FLUID CAPACITIES
Hydraulic reservoir 36 gal (136 L)
Fuel tank 55 gal (208 L)
Engine lubrication oil, with filter 19 qt (18 L)
Engine cooling system 31 qt (29 L)
Antifreeze tank 16 gal (60 L)

POWER PIPE HD
Length of drill pipe, nominal 180 in (4.57 m)
Diameter of drill pipe, tool joint end 3.5 in (89 mm)
Diameter of drill pipe 3.06 in (78 mm)
Bend radius, min 170 ft (52 m)
Weight of drill pipe, lined 184 lb (84 kg)
Weight of drill pipe, large box (28 pipe) 6,096 lb (2765 kg)
Weight of drill pipe, small box (16 pipe) 3,612 lb (1638 kg)

BATTERY (2 USED)
SAE reserve capacity rating 195 min
SAE cold crank rating @ 0°F (-18°C) 950 amps

NOISE LEVEL
Operator sound power per ISO 6394 < or = 81 dBA
Exterior sound pressure per ISO 6393 < or = 106 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/sec2 respectively.