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    Foremost Dual Rotary (DR) drills have long been known amongst water well drillers for outstanding performance in unconsolidated overburden and water-bearing formations. But open-hole drilling speed is also critical to your profitability. That's why the DR-12W is designed to drill fast in any formation.
    It has features like a carousel, pipe tub, rod spinner and draw works winch for quick handling and tripping in open-hole applications. And, when the going gets tough, the DR-12W is equipped with out unique lower rotary drive - just like all Foremost DR rigs - that allows you to simultaneously drill and advance steel casing without special down-hole tools.
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    • Stroke: 26' (7.90 m)
    • Pullback/Pulldown: 46,000 lbs/17,700 lbs (21,000 kg/8,000 kg)
    • Torque (stall): 116,000 in.lbs (13,100 Nm)
    • Rotation Speed: 0 - 116 rpm
    • Stroke: 7' (2.1 m)
    • Pullback/Pulldown: 42,400 lbs/18,800 lbs (19,200 kg/8,500 kg)
    • Torque: 500,000 in.lbs (56,500 Nm)
    • Max. Casing Diameter: 12" (305 mm)
    • Air Flow: 900 cfm (25.5 m³/min)
    • Pressure: 350 psi (24.1 bar)
    • Power: 475 HP (354 kW)
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    ModelPrimary ApplicationTop Drive PullbackLower Drive TorqueMax. Casing DiamterConfiguration
    DR-12Domestic water well37,600 lbs (17,000 kg)500,000 in.lbs (56,500 Nm)12¾" (320 mm)PTO
    DR-12WCased/open-hole domestic water well46,000 lbs (20,900 kg)500,000 in.lbs (56,500 Nm)12¾" (320 mm)PTO
    DR-24Domestic and municipal water wells, foundation piles58,000 lbs (26,300 kg)1,000,000 in.lbs (112,000 Nm)24" (610 mm)PTO or deck engine
    DR-24HDDeep wells, mine dewatering, foundation piles84,000 lbs (38,000 kg)2,500,000 in.lbs (282,000 Nm)24" (610 mm)PTO or deck engine
    DR-40Construction foundation piles, large diamter wells84,000 lbs (38,000 kg)3,000,000 in.lbs (339,000 Nm)40" (1,000 mm)Deck engine
    DR-610CConstruction foundation piles40,000 lbs (18,000 kg)2,500,000 in.lbs (282,000 Nm)24" (610 mm)Deck engine
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    Casing DiameterRecorded Depth Ranges
    6" - 8"152 mm - 203 mm500' - 1,300'152 m - 400 m
    10" - 14"254 mm - 356 mm300' - 800'91 m - 244 m
    16" - 24"406 mm - 610 mm100' - 500'30 m - 152 m
    26" - 40"660 mm - 1,016 mm100' - 350'30 m - 106 m
    >40">1,016 mmFor surface casing only
    Note: Casing can be telescoped to achieve greater depths. Results are as reported by DR drill operators
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