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    The DR-40 handles casing up to 40" (1,000 mm) in diameter. The DR-40 excels in large diameter construction and industrial water well applications.
    Standard configurations include tracked undercarriage or crane carrier with deck engine and on-board air compressor.
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    • Stroke: 29' (8.84 m)
    • Pullback/Pulldown: 84,000 lbs/25,900 lbs (38,000 kg/11,800 kg)
    • Torque (stall): 264,000 in.lbs (30,000 Nm)
    • Rotation Speed: 0 - 47 rpm
    • Stroke: 12' (3.66 m)
    • Pullback/Pulldown: 75,000 lbs/32,900 lbs (34,000 kg/14,900 kg)
    • Torque: 3,000,000 in.lbs (339,000 Nm)
    • Max. Casing Diameter: 40" (1,016 mm)
    • Air Flow: 1,150 cfm (32.6 m³/min)
    • Pressure: 350 psi (24.1 bar)
    • Power: 600 HP (354 - 447 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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