Equipment Specifications Library

Basic Model Information

  • Manufacturer:
    Ditch Witch
  • Model:
    JT1720
  • Rig Size:
    10,001 - 20,000 lbs pullback

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Specifications

Weight (lined): 64 lbs (lined): 29 kg
Height 86 in 2.2 m
Rod Carrying Capacity 400 ft
Engine 4045D Deere
Max Flow (variable): 0-18 GPM (0-4.8 L/min)
Make and Model John Deere 4045D
Min Bend Radius 130 ft (40 m)
Length 16 ft 8 in 5.1 m
Min Bore Diameter 3-5" (76-127 mm)
Pump Output 25 gpm
Fuel Tank Capacity 33 GAL (125 L)
Joint Inside Diameter 2.50 in (64 mm)
Pump Pressure 700 psi
Max Spindle Torque (stall): 1800 ft/lb (stall): 2,440 Nm
Hydraulic Tank Capacity 20 GAL (76 L)
Torque 1,800
Width 54 in 1.4 m
Drill Stem 9' 10''
Max Speed (no load): 2,500 RPM (no load): 2,500 rev/min
Weight 10,500 Ibs 4763 kg
Manufacturer's Gross HP Rating (@ 2,500 RPM): 75 HP (57 kW) (@ 2,500 RPM): 57 kW
Length 118.11 in (3 m)
Max Carriage Speed 130 FPM (40 mpm)
Displacement 276 cu3 (4.5 L)
Fuel Type Diesel
Pullback 17,000 lbs 7,710 kg
Max Spindle Speed 200 RPM 200 rev/min
Max Pressure 1,250 PSI (86 bar)
Number of Cylinders 4
Thrust 17,000 lbs. 7,710 kg
Ground Drive Speed (forward): 0-2 mph (forward): 0-3.2 kmh

Additional Info

DIMENSIONS
Length: 200" (5.1 m)
Width: 54" (1.4 m)
Height: 86" (2.2 m)
Weight: 10,500 lbs (4763 kg)

DRILL PIPE
Length: 118.11" (3 m)
Joint Diameter: 2.50" (64 mm)
Tubing Diameter: 2.063" (52 mm)
Min. Bend Radius: 130' (40 m)
Weight (lined): 64 lbs (29 kg)

OPERATIONAL
Max Spindle Speed: 200 RPM (200 rev/min)
Spindle Torque (stall): 1800 ft/lb (2,440 Nm)
Carriage Speed: 130 FPM (40 mpm)
Pullback: 17,000 lb (7,710 kg)
Thrust: 17,000 lb (7,710 kg)
Bore Diameter: 3-5" (76-127 mm)
Backreamer Diameter (soil dependent): 12" (305 mm)
Ground Drive Speed (forward): 0-2 mph (0-3.2 kmh)
Ground Drive Speed (reverse): 0-2 mph (0-3.2 kmh)

POWER
Engine: John Deere 4045D
Fuel: Diesel
Cooling Medium: Water
Injection: Direct
Aspiration: Natural
Number of Cylinders: 4
Displacement: 276 cu3 (4.5 L)
Bore: 4.19" (106 mm)
Stroke: 5" (127 mm)
Gross Power @ 2,500 RPM: 85 HP (63 kW)
Maximum Governed Speed (no load): 2,500 RPM (2,500 rev/min)
Operating Power (@ 2,500 RPM): 75 HP (57 kW)

FLUID SYSTEM
18 GPM Option -
Fluid Pressure: 1,250 PSI (86 bar)
Flow Rate (variable): 0-18 GPM (0-4.8 L/min)
25GPM Option -
Fluid Pressure: 700 PSI (48 bar)
Flow Rate (variable): 0-25 GPM (0-6.6 L/min)

FLUID CAPACITIES
Hydraulic Reservoir: 20 GAL (76 L)
Fuel Tank: 33 GAL (125 L)
Engine lubrication oil, including filter: 9 Qt (8.5 L)

BATTERY
SAE Reserve Capacity: 120 mins
SAE Cold Crank @ 0 degrees F (-18 C): 800 amps

NOISE LEVELS
Operator Sound Pressure per ISO 6394 - <85 dbA
Exterior Sound Power per ISO 6393 - <106 dbA

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