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    The Explorer 1500 is a mineral exploration rig that incorporates proven reverse circulation drilling technology. It is mounted on a Foremost articulated carrier with large terra tires for exceptional mobility.
    The high flotation terra tires help minimize environmental impact while allowing the Explorer to travel at speeds up to 10 mph (16 km/h). The carrier deck can be leveled hydraulically to facilitate drilling on sloped terrain.
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    • Pulldown: 16,500 lbs (7,500 kg)
    • Pullback: 37,700 lbs (17,100 kg)
    • Torque: 5,000 ft-lbs (6,780 Nm)
    • Stroke: 23' (7 m)
    • Power: 470 HP (352 kW)
    • Steering: 40° frame articulation
    • Max. Speed: 10 mph (16 km/h)
    • *Ground Pressure: 24.2 psi (1.7 kg/cm²)
    *3" ground penetration @ max load
    • Hydraulic deck leveling (0 - 20°)
    • On board pipe rack
    • 0 - 45° angle drilling
    • Tip out rotary drive
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    SpecificationProspector W750Explorer 1500Discoverer MPD 1500
    Rotary Head Stroke22' 1" (6.7 m)23' (7 m)23' (7 m)
    Compressor DrivePTO from transfer caseClutch off deck engineClutch off deck engine
    Chassis feature180° mast rotation for side drillingHydraulic deck leveling (0 - 20°)Hydraulic deck leveling (0 - 25°)
    Steering42° frame articulation40° frame articulationHydrostatic track
    Ground Pressure*35.5 psi (2.5 kg/cm²)*24.2 psi (1.7 kg/cm²)**8.9 psi (0.6 kg/cm²)
    Maximum Speed22 mph (25 km/h)10 mph (16 km/h)2.5 mph (4 km/h)
    Weight53,270 lbs (24,160 kg)58,500 lbs (26,590 kg)64,000 lbs (29,090 kg)
    * 3" ground penetration ** 1" ground penetration
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