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  • Operation

    Spindle speed, max - 200 rpm; Spindle torque, max - 15,500 ft∙lb

    Carriage thrust travel speed - 210 fpm; Carriage pullback travel speed - 210 fpm

    Thrust force - 120,000 lb; Pullback force - 120,000 lb

    Bore diameter - 6.5 in; Backreamer diameter - Soil dependent

    Ground travel speed: Forward/reverse - 2.8 mph

  • Power

    Engine - Cummins QSB6.7; Fuel - Diesel

    Cooling medium - Liquid; Injection - Direct

    Aspiration - Turbocharged & charge air cooled; Number of cylinders - 6

    Displacement - 409 in³; Bore - 4.21 in; Stroke - 4.88 in

    Manufacturer’s gross power rating - 280 hp; Rated speed - 2,200 rpm

    Emissions compliance - EPA Tier 4F

  • Dimensions

    Length - 453 in; Width - 100.4 in; Height, w/ cab - 121.5 in

    Operating weight - 49,761 lb

    Entry angle - 12-18°; Angle of approach - 17°; Angle of departure - 17°

  • Drilling Fluid System

    Pressure, max - 1,100 psi

    Flow, max - 285 gpm

  • Noise & Vibration Levels

    Operator sound pressure per ISO 6394 - < or = 80 dBA

    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.

  • Battery (2 Used)

    SAE reserve capacity rating - 175 min

    SAE cold crank rating @ 0°F (-18°C) - 950 amps

  • Fluid Capacities

    DEF tank - 12.2 gal; Hydraulic reservoir - 39 gal; Fuel tank - 120 gal

    Engine lubrication oil, w/filter - 18.5 qt; Antifreeze tank - 20 gal