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NOV TDS-4S Top drive
October 6, 2025
Mechanical Specifications
Rated Load Capacity:
500 tons (1,000,000 lbs)
Continuous Torque:
30,000–45,500 ft-lbs depending on gear (typically low gear operation)
Intermittent (Maximum) Torque:
Up to 40,000 ft-lbs
Maximum Speed:
250 RPM
Quill Diameter:
5 1/4″ OD
Drilling Depth Capacity:
Typically 30–45 ft travel depending on rig construction
Working Height:
~20.8 ft (6,339 mm)
Weight:
Approximately 32,000 lbs (14,514 kg)
Integrated Features & Systems
Top Drive Swivel:
Integrated for smooth rotation and load transfer
Pipe Handling System:
Optional link tilt and pipe handler capability
Washpipe Assembly:
Replaceable, greased for easier maintenance
Remote Control Console:
Wired or wireless options included
Emergency Shutoff System:
Standard safety feature
Thread Saver Sub:
Optional, prolongs drill string life
info@mariteksolutions.com | +91 7226017401
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