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NOV VARCO Main Shaft 119707 Top Drive Spare Part for TDS11SA TDS8SA Drilling Equipment

NOV VARCO Main Shaft 119707 Top Drive Spare Part for TDS11SA TDS8SA Drilling Equipment Featured Image
  • NOV VARCO Main Shaft 119707 Top Drive Spare Part for TDS11SA TDS8SA Drilling Equipment
  • NOV VARCO Main Shaft 119707 Top Drive Spare Part for TDS11SA TDS8SA Drilling Equipment
  • NOV VARCO Main Shaft 119707 Top Drive Spare Part for TDS11SA TDS8SA Drilling Equipment
  • NOV VARCO Main Shaft 119707 Top Drive Spare Part for TDS11SA TDS8SA Drilling Equipment

Short Description:

The Main Shaft acts as the central transmission component purpose‑built for NOV Varco TDS‑11SA and TDS‑8SA top drive systems, an indispensable part for both onshore and offshore drilling rig applications. Forged from high‑strength alloy steel through open‑die forging, it is subject to precision CNC machining and rigorous heat‑treatment to guarantee sound structural integrity. Capable of enduring harsh operating conditions such as mud erosion, intense vibration and fluctuating cyclic loads, this main shaft reliably sustains heavy drill‑string loads while transferring steady rotary torque. With strict dimensional tolerances and high geometric consistency, it is fully interchangeable with NOV OEM components, enabling direct drop‑in replacement with no additional modification required.


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Below is the spare parts reference list for TDS top drive, including part numbers and corresponding component descriptions. Please verify the part numbers to match your equipment requirements.

1.01.22.001 Upper bearing end cover
1.01.22.002 Upper bearing end cover
1.01.22.003 Upper bearing end cover
1.01.22.004 Upper bearing end cover
1.01.22.005 Upper bearing end cover
1.01.22.006 Upper bearing end cover
1.01.22.007 Upper bearing end cover
1.01.22.008 Upper bearing end cover
1.01.22.009 Upper bearing end cover
1.01.22.010 Upper bearing end cover
1.01.22.011 Upper bearing end cover
1.01.22.012 Upper bearing end cover
1.01.22.013 Upper bearing end cover
1.01.22.014 Upper bearing end cover
1.01.22.015 Upper bearing end cover
1.01.22.016 Upper bearing end cover
1.01.22.017 Upper bearing end cover
1.01.22.018 Upper bearing end cover
1.01.22.019 Upper bearing end cover
1.01.22.020 DQ90Ⅱ
1.01.22.022 Upper bearing end cover
1.01.22.023 Upper bearing end cover
1.01.23.001 Bearing end cap
1.01.23.002 Bearing end cap
1.01.23.003 Bearing end cap
1.01.23.004 Bearing end cap
1.01.23.005 Bearing end cap
1.01.23.006 Bearing end cap
1.01.23.007 Bearing end cap
1.01.23.008 Bearing end cap
1.01.23.009 Bearing end cap
1.01.23.010 Bearing end cap
1.01.23.011 DQ90Ⅱ
1.01.23.012 DQ90Ⅱ
1.01.23.014 Second shaft bearing end cover
1.01.23.015 Dull cover on the second axis
1.01.23.017 Left bearing end cover
1.01.23.018 Right bearing end cover
1.01.23.019 DQ400601
1.01.35.011 Lower bearing end cover
1.01.24.002 Bearing pad
1.01.24.003 Bearing pad
1.01.24.004 Bearing pad
1.01.24.005 Bearing pad
1.01.24.006 Bearing pad
1.01.24.007 Bearing pad
1.01.24.008 Bearing pad
1.01.24.009 Bearing pad
1.01.24.010 Bearing pad
1.01.24.011 DQ90Ⅱ
1.01.24.012 DQ70
1.01.24.051 DQ50
1.01.24.052 Bearing pad
1.01.24.053 DQ400601
1.01.24.054 Bearing pad
1.01.25.001 Shaft end baffle
1.01.25.002 Shaft end baffle
1.01.25.003 Shaft end baffle
1.01.25.004 Shaft end baffle
1.01.25.005 Shaft end baffle
1.01.25.006 Shaft end baffle
1.01.25.007 DQ50
1.01.25.008 DQ50
1.01.25.010 DQ40
1.01.25.011 DQ40
1.01.25.012 DQ400601
1.01.26.001 Two axis adjustment sleeve
1.01.26.002 Two axis adjustment sleeve
1.01.26.003 Two axis adjustment sleeve
1.01.26.004 Two axis adjustment sleeve
1.01.26.005 Two axis adjustment sleeve
1.01.26.006 DQ90Ⅱ
1.01.27.001 First stage small gear
1.01.27.002 First stage small gear
1.01.27.003 DQ90Ⅱ
1.01.27.004 First stage small gear
1.01.27.005 90Ⅰ-B
1.01.28.001 First stage large gear
1.01.28.002 First stage large gear
1.01.28.003 First stage large gear
1.01.28.004 First stage large gear
1.01.28.005 DQ90Ⅱ
1.01.28.006 First stage large gear
1.01.35.012 Lower bearing end cover
1.01.28.008 First stage large gear
1.01.28.009 First stage large gear
1.01.28.011 90Ⅰ-B
1.01.29.001 Dust cover
1.01.29.002 Dust cover
1.01.29.003 Dust cover
1.01.29.004 Dust cover
1.01.29.005 DQ400601
1.01.29.006 DQ400601
1.01.29.007 DQ400601
1.01.30.001 One axis fixed distance ring
1.01.31.001 Two axis fixed distance ring
1.01.31.002 Two axis fixed distance ring
1.01.31.003 Two axis fixed distance ring
1.01.31.004 Two axis fixed distance ring
1.01.31.005 Two axis fixed distance ring
1.01.31.006 Two axis fixed distance ring
1.01.31.007 DQ90Ⅱ
1.01.31.009 Two axis fixed distance ring
1.01.31.010 Three axis fixed distance ring
1.01.31.011 Two axis fixed distance ring
1.01.31.012 Two axis fixed distance ring
1.01.32.001 Adjusting the gasket
1.01.32.002 Adjusting the gasket set
1.01.32.003 DQ90Ⅱ
1.01.32.004 DQ90Ⅱ
1.01.33.001 Secondary gear
1.01.33.002 Secondary gear
1.01.33.003 Secondary gear
1.01.33.004 Secondary gear
1.01.33.005 Secondary gear
1.01.33.006 Secondary gear
1.01.33.007 Secondary gear
1.01.33.008 DQ90Ⅱ
1.01.33.009 Secondary gear
1.01.33.010 Secondary gear
1.01.33.011 Secondary gear
1.01.33.012 Secondary gear
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