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• Manufacturer:
  Bor-It
• Model:
  Model 42

MODEL 42 "THRUSTER BUSTER"

DIMENSIONS
Length: 125" (317 cm)
Width: 60" (152 cm)
Height: 61" (155 cm)
Centerline: 31.5" (80 cm)
Master Track Length: 12' (3.7 m)
Extension Track Length: 10' (3 m)

WEIGHT
Machine: 7,470 lbs (3,388 kg)
Cylinder Package: 4,150 lbs (1,882 kg)
Master Pusher: 1,380 lbs (626 kg)
Master Track: 2,660 lbs (1,207 kg)
Extension Track (each): 2,060 lbs (934 kg)

Engine: Deutz Diesel
Rating: 97 HP
Engine Torque: 451.5 ft/lbs @ 1,500 RPM
Max Rated Speed: 2,300 RPM
Transmission: T-18 4 Speed

GEAR/RATIO
1st gear - 6.32:1
2nd gear - 3.09:1
3rd gear - 1.69:1
4th gear - 1.0:1
Rev - 7.44:1
Gear Box Fairfield: S20B
Final Reduction - 54:1

TORQUE REQUIREMENTS
Gear/Ratio Max./Speed
1st gear - 154,087 ft/lbs @ 6.7 RPM
2nd gear - 75,337 ft/lbs @ 13.7 RPM
3rd gear - 41,203 ft/lbs @ 25.2 RPM
4th gear - 24,381 ft/lbs @ 42.5 RPM
Rev - 181,394 ft/lbs @ 5.7 RPM

HYDRAULIC SYSTEM
Thrust (normal): 502,656 lbs (228 tonnes)
Thrust (intermittent): 603,187 lbs (274 tonnes)
Hydraulic Pump: Axial Piston Pump - Load Sensing Pressure Comp
Pump Pressure (continuous): 5,000 psi (345 bar)
Pump Pressure (maximum): 5,800 psi (400 bar)
Thrust Cylinders: (Two) 8" Bore x 60" Stroke

MACHINE DATA
Working Range: 12" to 42" Casing Diameter
Hex Drive: 4" hex
Push Bar: Hydraulic

The Model 42 Thruster Buster horizontal earth boring machine with 97 hp Deutz diesel is packaged to provide extra power for the extra-rugged boring applications 12" to 42" in diameter. Includes automatic push bar and winch.