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Heavy‑Duty Wear‑Resistant Nov Main Spindle Shaft Main Drive Shaft 1.90.894 Original Spare Part for Land Oilfield Drilling Top Drive

Heavy‑Duty Wear‑Resistant Nov Main Spindle Shaft Main Drive Shaft 1.90.894 Original Spare Part for Land Oilfield Drilling Top Drive Featured Image
  • Heavy‑Duty Wear‑Resistant Nov Main Spindle Shaft Main Drive Shaft 1.90.894 Original Spare Part for Land Oilfield Drilling Top Drive
  • Heavy‑Duty Wear‑Resistant Nov Main Spindle Shaft Main Drive Shaft 1.90.894 Original Spare Part for Land Oilfield Drilling Top Drive
  • Heavy‑Duty Wear‑Resistant Nov Main Spindle Shaft Main Drive Shaft 1.90.894 Original Spare Part for Land Oilfield Drilling Top Drive
  • Heavy‑Duty Wear‑Resistant Nov Main Spindle Shaft Main Drive Shaft 1.90.894 Original Spare Part for Land Oilfield Drilling Top Drive

Short Description:

Designed as the ultimate safeguard for drilling operations,​ this comprehensive range of top drive replacement parts sets the gold standard in aftermarket solutions. Engineered to conquer the challenges of abrasive environments and relentless high-stress cycles, each component is precision-machined from high-tensile alloy steel to meet stringent OEM specifications. Featuring seamless integration with leading systems like NOV VARCO and proven drop-in interchangeability, the product line empowers maintenance teams to execute repairs swiftly and confidently. It provides the robust, dependable foundation required to keep rigs operational under the most punishing HPHT and corrosive drilling conditions, ultimately maximizing return on investment.

Product Detail

Product Tags

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.

14249 Washer,Flat
14573 Screw,Set,Skt Drive,Cup Pt
14732 Screw,Cap,Hex Hd
14734 Screw,Cap,Skt Hd
15055 Nut Lock Elec Ex
15057 Ring Sealing Elec Ex 1/2″
15063 Nipple,Upper Gland Nut,Washpipe,EMI
15385 LINER,SIDE,UHMW,3/4X3-3/8X72,HMITORQUEBUSHING
15516 Screw,Cap,Skt Hd
15517 Ring,Rtng,Internal
16187 Seal,6.250″Shaftx7.252″ODx0.500″W,CRWH1
16267 VALVE,DIR.4W/3P,P-T,
16268 VALVE,DIR.3F,P BLKED,A&B -TANK
16270 VALVE,DIR.4W/3P,P-T
16424 Screw,Cap,Hex Hd
17149 Hose,Hyd,100R2-AT
18109 Stem,Breakaway Mount,Cylinder
270210 Screw Cap HexHd
481182 Flange Load Collar Adapter
481183 Bolt,Shoulder,DrHd,EMI/EXI/HXI
510221 Valve,Relief,Pilot Operated,30-gpm,100-1000-psi,Car
670004 Switch,2 Pos,Maintained
700077 Screw Cap Skt Hd
720173 Hose,Hyd,100R2-AT
720446 Insulating barrier TESCO 12-24 VDC, 720446
720475 Задвижка шаровая, двойная, шлицевой затвор,4-1/2″IF,BxB
720781 Screw Cap Skt Hd
720782 Screw Cap Skt Hd
720874 Seal,5.625″Shaft
720891 Подшипник поворота манипулятора №720891 Teско
720893 Cone Bearing Radial Rlr Tpr
720894 Cup Bearing Radial Rlr Tpr
720895 Screw Cap Skt Hd
720897 Seal,1.375″Shaft
720898 Seal,2.125″Shaft
720942 Hose,Hyd,100R2-AT
30182002-3 Sealing ring
30182002-4 Sealing ring
110538-4 Manual valve
1300117960 HOSE
1300120792 HOSE
1300120794 HOSE
1300127669 HOSE
1300127670 HOSE
1300127673 HOSE
1300127679 HOSE
1300127680 HOSE
1300127685 HOSE
1300127689 HOSE
1300127690 HOSE
1300127691 HOSE
1300127692 HOSE
1300127694 HOSE
1300127695 HOSE
1300127671 HOSE
2.4.25.140 High pressure pipe
2.4.25.153 High pressure pipe
2.4.25.154 High pressure pipe
2.4.25.144 Hydraulic pipe
2.4.25.145 Hydraulic pipe
1CH4-16-140G SUB
2.4.30.918 Connector body
2.4.34.002 Connector body
2.4.34.047 Connector body
2.4.35.009 Connector body
2.4.35.011 Connector body
2.4.35.023 Connector body
2.4.35.024 Connector body
2.4.35.025 Connector body
2.4.35.026 Connector body
2.4.35.027 Connector body
2.4.35.044 Connector body
2.4.35.045 Connector body
2.4.35.056 Connector body
2.4.35.065 Connector body
2.4.35.066 Connector body
2.4.35.067 Connector body
2.4.35.077 Connector body
2.4.35.081 Connector body
2.4.35.113 Connector body
2.4.35.128 Connector body
2.4.35.138 Connector body
1.03.11.028 jaw pressure plate
1.03.11.029 jaw pressure plate
1.03.13.227 baffle
4.10.02.077 External hexagonal bolt
4.10.03.014 Countersunk screw
4.10.01.126 Clamp head fixing bolt
4.10.01.128 screw
4.10.13.003 Slotted nut
4.10.12.054 Nut
1.06.19.002 Stop ring
56525-6-6-S Main valve plate connector
4.03.10.100 Flat key
1.07.14.001 Brake pads
1.04.03.001 Wear resistant plate for pulley
2.2.08.002 Cartridge valve
2.2.08.004 Cartridge valve
2.2.08.005 Cartridge valve
2.2.08.006 Cartridge valve
2.2.08.007 Cartridge valve
2.2.08.008 Cartridge valve
2.2.08.009 Cartridge valve
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