ISOs
250T Top Drive

BULLDOG 250T


Top Drive





Bulldog 250T Top Drive

Key Features:

  • Hydraulic top drive with open center motor eliminates gear box for dramatically improved reliability
  • Compact footprint is well suited to telescopic doubles without compromising performance
  • Hook connection or integrated block design allows for a custom solution
  • Class 1 Zone 1 Electrical rating to improve safety
  • High grade steel and machined components improve strength and longevity

Technical Specifications:

  • RATED CAPACITY: 250 TON / 227 tonne
  • PULL DOWN CAPACITY: 150 TON / 136 tonne
  • CONTINUOUS TORQUE OUTPUT: CA140 - 20,000 FT-LBS / 27,100 N-m
  • PEAK TORQUE (Make Up / Break Out): CA140 - 35,500 FT-LBS / 48,100 N-m
  • CONTINUOUS RUNNING SPEED: CA140 - 170 RPM
  • QUILL ID: 2 13/16” / 71 mm
  • QUILL CONNECTION: 4 1/2 IF (NC50)
  • BACK-UP WRENCH GRIPPER CAPACITIY: 4 1/8” - 8” / 105 mm - 203 mm
  • BACK-UP WRENCH MAXIMUM TRAVEL: 40” / 1.016 m
  • DIMENSIONS:
    • Width: 65 1/2” / 1.674 m
    • Depth: 65 1/2” / 1.674 m
    • Operating Length (without bales / blocks): 130 1/2” / 3.35 m
  • ELECTRICAL: Class 1, Zone 1
  • HYDRAULICS:
    • HPU: Drillform
    • Maximum Pressure: 5,000 PSI / 34,500 kPa
  • CIRCULATING PRESSURE: 7,500 PSI / 51,700 kPa
Drillform
Bulldog 250T

BULLDOG 250T


Top Drive

Key Features

  • Hydraulic top drive with open center motor eliminates gear box for dramatically improved reliability
  • Compact footprint is well suited to telescopic doubles without compromising performance
  • Hook connection or integrated block design allows for a custom solution
  • Class 1 Zone 1 Electrical rating to improve safety
  • High grade steel and machined components improve strength and longevity

Specifications

  • RATED CAPACITY:
    250 TON / 227 tonne
  • PULL DOWN CAPACITY:
    150 TON / 136 tonne
  • CONTINUOUS TORQUE OUTPUT:
    CA140 - 20,000 FT-LBS /
    27,100 N-m
  • PEAK TORQUE
    (Make Up / Break Out):

    CA140 - 35,500 FT-LBS /
    48,100 N-m
  • CONTINUOUS RUNNING SPEED:
    CA140 - 170 RPM
  • QUILL ID:
    2 13/16” / 71 mm
  • QUILL CONNECTION:
    4 1/2 IF (NC50)
  • BACK-UP WRENCH GRIPPER CAPACITIY:
    4 1/8” - 8” / 105 mm - 203 mm
  • BACK-UP WRENCH MAXIMUM TRAVEL:
    40” / 1.016 m
  • DIMENSIONS:
    Width:
    65 1/2” / 1.674 m
    Depth:
    65 1/2” / 1.674 m
    Operating Length
    (without bales / blocks):

    130 1/2” / 3.35 m
  • ELECTRICAL:
    Class 1, Zone 1
  • HYDRAULICS:
    HPU: Drillform
    Maximum Pressure:
    5,000 PSI / 34,500 kPa
  • CIRCULATING PRESSURE:
    7,500 PSI / 51,700 kPa