McCoy – CLEBU11750 11-3/4 in. Continuous Short Stroke Bucking Unit


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Category: Bucking & Make/Break Torque Equipment SKU: SKU 1390


McCoy Global
CLEBU11750, 11-3/4″ Continuous Short Stroke Bucking Unit

Bucking Units are used to make up or break out tubular connections in a horizontal position. The CLEBU11750 Type III bucking unit is used for the make-up or break-out of tool assemblies which have varying diameters and lengths. The tong and backup spacing can be adjusted from a few inches to many feet.
Bucking Units use the patented die system, which features a self-aligning spline system that wraps around the pipe, providing coverage up to 330 degrees. The dies distribute the radial load over the largest possible area to minimize pipe stress and deformation.

Bucking Units have three main components:

  1. A powered, rotating tong assembly with hydraulically operated jaws that grip the tubular’s coupling
  2. A non-rotating backup assembly with hydraulically operated jaws that grip the body of the tubular
  3. A frame system that supports the first two items and contains the drive mechanisms and bucking unit control panel

CLEBU11750 – 11-3/4″ Continuous Short Stroke Bucking Unit Specifications

Description Specification
Pipe Size Range 2.063 – 11.750 in (52 – 298 mm)
Maximum Torque 35,000 ft lb (47,453 Nm) [Also available in 50,000 ft lb (67,790 Nm)]
Handle Length 24.000 in (610 mm)
Maximum Hydraulic Pressure 3,000 PSI (207 bar)
Maximum Clamping Pressure 4,500 PSI (310 bar)
Number of Drive Speeds 2
Overall length 121.000 in (3,073 mm)
Overall width 69.500 in (1,765 mm)
Overall height 63.750 in (1,619 mm)
Overall weight 13,393 lb. (4,455 kg)

Bed Length:  6 Feet, 10 Feet and Custom Lengths

Dies:  Wraparound Fine Tooth Steel, GRITFACE® or Aluminum Dies

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