NOV TDS-4S

Listing details

Equipment information

Listing ID

MR-TD-0023

Year

Not stated

Condition

New

Location

Saudi Arabia

Quantity

Not stated

Last reviewed

July 31, 2026

NOV TDS-4S is listed as a top drive. Advertised details include rated load capacity: 500 tons (1,000,000 lbs); continuous torque: 30,000 ft-lbs; intermittent (max) torque: 40,000 ft-lbs. Request current unit information and a quote from Mission Relay.

Specifications

Rated Load Capacity

500 tons (1,000,000 lbs)

Continuous Torque

30,000 ft-lbs

Intermittent (Max) Torque

40,000 ft-lbs

Maximum Speed (RPM)

250 RPM

Quill Diameter

5 1/4" OD

Drive Motors

2 × 1150 HP AC motors

Motor Power Total

2,300 HP

Voltage Range

600–690 V AC (VFD-controlled)

Control System

Amphion™, Cyberbase™, or similar

VFD Compatibility

Yes (NOV VFD or 3rd party)

Cooling Method

Air-cooled standard; optional water-cooled

Pipe Handling System

Yes (link tilt & pipe handler optional)