Isara

• Tagagawa:
  Ditch Witch
• Modelo:
  JT3020 Mach 1
• Laki ng Kalansay:
  20,001 - 30,000 lbs pullback

DIMENSIONS
Overall machine length: 219.3" (5.57 m)
Overall machine width: 79.4" (2.02 m)
Overall machine height: 114.5" (2.91 m)
Operating weight: 21,660 lb (9825 kg)
Entry angle: 10° to 16°
Angle of approach: 19.4°
Angle of departure: 17.7°

POWER PIPE
Length of drill pipe, nominal: 118" (3 m)
Diameter of drill pipe tool joint end: 3" (76 mm)
Diameter of drill pipe: 2.38" (60 mm)
Minimum bend radius: 175' (53 m)
Weight of drill pipe:
Lined: 90 lb (41 kg)
And large box (48 pipe): 5390 lb (2445 kg)
And small box (25 pipe): 2972 lb (1348 kg)

ALL TERRAIN PIPE
Length of drill pipe, nominal: 112" (2.85 m)
Diameter of drill pipe tool joint end: 3.25" (83 mm)
Diameter of drill pipe: 2.23" (57 mm)
Minimum bend radius: 175 ft (53 m)
Weight of drill pipe:
Lined: 100 lb (45 kg)
And large box (35 pipe): 4594 lb (2084 kg)
And small box (20 pipe): 2783 lb (1262 kg)

OPERATION
Maximum spindle speed: 225 rpm
At inner spindle: 400 rpm
Maximum spindle torque: 4000 ft/lb (5423 Nm)
At inner spindle: 800 ft/lb (1085 Nm)
Carriage thrust travel speed: 120 fpm (37 m/min)
Carriage pullback travel speed: 120 fpm (37 m/min)
Thrust force: 24,800 lb (110 kN)
Pullback force: 30,000 lb (134 kN)
Bore diameter: 4.5" (114 mm)
Backream diameter: Soil dependent
Ground travel speed:
Forward: 2.4 mph (3.9 km/h)
Reverse: 2.25 mph (3.6 km/h)

POWER
Engine: Cummins QSB4.5
Fuel: Diesel
Cooling medium: Liquid
Injection: Direct
Aspiration: Turbocharged and charge air cooled
Number of cylinders: 4
Displacement: 275 in3 (4.5 L)
Bore: 4.02" (102 mm)
Stroke: 5.42" (138 mm)
Manufacturer's gross power rating: 148 hp (110 kW)
Rated speed: 2300 rpm
Peak gross power @ 2000 rpm: 156 hp (116 kW)

DRILLING FLUID SYSTEM
Maximum drilling fluid pressure: 1500 psi (103 bar)
Maximum drilling fluid flow: 50 gpm (189 L/min)

FLUID CAPACITIES
Fuel tank: 42 gal (159 L)
Hydraulic reservoir: 27 gal (102 L)