27 Jul 2026
Varco TDS11S, TDS85SA, TDS-3/4/9S Top Drives and PH100 Components
Product Introduction
We specialize in supplying high-quality, fully compatible spare parts for Varco drilling equipment, including TDS11S, TDS85SA, TDS-3, TDS-4, TDS-9S top drives and PH100 components. Our product range covers all key parts listed, from the 750 Ton Landing Collar (30124872) and Main Thrust Bearing (30174374) to small but critical components like O-Rings (51300 series) and Cotter Pins (51402 series). Designed specifically for oilfield drilling operations, these spare parts address the core pain points of drilling teams—unplanned downtime, poor compatibility, short service life, and safety risks in harsh environments. Backed by 18 years of experience in oilfield spare part manufacturing and supply, we hold valid API Q1, API 7-1, and API 8C certifications, ensuring every part meets the strict technical requirements of Varco equipment and global oilfield standards. Our parts are widely used by drilling contractors, oilfield maintenance teams, and equipment operators worldwide, providing reliable support for continuous, safe drilling operations.
Core Purpose
Our spare parts are engineered to maintain the optimal performance of Varco TDS series top drives (TDS11S, TDS85SA, TDS-3/4/9S) and PH100 components, solving common on-site problems such as bearing wear, seal leakage, valve failure, and fastener loosening. For drilling teams, the key demand is minimizing downtime—each unplanned shutdown can cost thousands of dollars in lost productivity. Our parts are direct replacements for original components, requiring no modifications during installation, and are built to withstand the high vibration, extreme temperatures, and corrosive conditions of oilfield work. Whether for routine maintenance, emergency repairs, or long-term operational support, our spare parts ensure your Varco equipment operates stably, reducing maintenance costs and extending equipment service life.
Function Description
Each spare part is designed to perform a specific, critical function, directly addressing on-site pain points:
• Load-Bearing Components: 750 Ton Landing Collar (30124872) and Main Thrust Bearing (30174374) handle heavy loads up to 750 Ton, preventing structural damage during drilling and hoisting operations—solving the problem of component failure under high pressure.
• Sealing Components: O-Rings (51300 series), Seal Lip (89053-V), and Poly Pak Seal (112895) prevent oil, water, and dust intrusion, avoiding electrical shorts and mechanical jams in harsh offshore or desert environments.
• Valves & Controls: Relief Valve (141304) and Cartridge Check Valve (93547-2D30N) regulate pressure and flow, preventing overpressure damage and ensuring stable hydraulic and pneumatic system operation.
• Fasteners & Fittings: Clevis Pins (87743, 87744), Lock Nuts (88601, 88602), and Grease Fittings (53201+50) ensure secure connections and easy maintenance, solving the problem of loose components in high-vibration drilling scenarios.
• Auxiliary Components: Sight Oil Gauge (74004) and Pressure Gauge (80630) provide real-time monitoring of fluid levels and pressure, allowing maintenance teams to detect issues early and avoid costly failures.
Structural Features
All our spare parts are precision-manufactured to match Varco’s original equipment specifications, with structural advantages that address oilfield challenges: High-strength materials (17-4 stainless steel for clevis pins, high-purity alloy for bearings) ensure resistance to corrosion and wear, with a service life 2,800 working hours longer than average aftermarket parts. Critical components like the 750 Ton Main Thrust Bearing (30174374) feature a reinforced inner race, reducing friction and extending service life to 12,600 working hours. Sealing components use high-temperature resistant rubber, capable of withstanding temperatures up to 160℃ without hardening or cracking. Fasteners have a cadmium-plated finish, providing superior rust resistance in offshore salt spray environments. All electrical and hydraulic components comply with ATEX EExd/EExe explosion-proof standards, suitable for Zone 1/2 hazardous areas common in oilfields. Dimensional accuracy is strictly controlled (tolerance ≤ ±0.008mm for critical parts), ensuring perfect fit with Varco TDS11S, TDS85SA, and PH100 equipment—no on-site modifications needed, saving valuable maintenance time.
Applicable Working Conditions
Our spare parts are designed to thrive in the harshest oilfield environments where Varco TDS series top drives and PH100 components operate, complying with API 7-1, API 8C, IEC 92-3, and NACE MR0175 standards. They perform stably in temperature ranges from -60℃ to 160℃, pressure up to 10,000 Psi (matching Varco’s rated cycle pressure), and humidity up to 99%. Whether in remote onshore desert oilfields (extreme temperature differences), offshore platforms (high salt spray), H₂S-rich wells (corrosive gas), or high-pressure drilling sites, our parts maintain reliable performance. For example, our Self-Lubricating Bushing (118844-22-12) operates smoothly without additional lubrication for 8,500 working hours, even in dusty desert conditions. The Wire Rope (123059-2-9) for TDS11S resists abrasion and fatigue, with a breaking strength of 18,600 Lbs, ensuring safe hoisting operations in all environments.
We supply the following spare parts:
Collar: Landing(Set) 750 Ton, PH100 (T) 30124872 |
Pin: Bail 91060-500 |
Bearing: Main Thrust, 750 Ton 30174374 |
Bearing: Roller Taper 7.87 x 11.81 x 2.0 91242+30 |
Bearing: Roller Cylindrical,10.23×18.9×3 91252 |
Liner: Stem Upper Large Bore 112871 |
Gauge : Sight Oil 74004 |
Gasket: Rotating Head Assy 75981 |
GASKET,EXHAUST,HEAT-EXCHANGER 77823 |
Fitting: Grease, 1/8″-27 Npt 53201+50 |
GASKET,GEAR,CASE {SET OF 4 PCS} 88588 |
Bushing: Upper, Tds-8S/1000 88605-1 |
BUSHING,LOWER 88606 |
Seal Lip 89053-V |
O-Ring,32 19Diax.275 90133 |
Bushing:Bail Pin 91046 |
Shim 0.002 91251-1 |
Shim 0.003 91251-2 |
Shim: 0.005 Bearing Retainer 91251-3 |
Shim: 0.010 Bearing Retainer 91251-4 |
Plug,Orifice .125 Npt 94042-23 |
Orifice 94042-36 |
Seal:Oil 94990 |
Ring Labyrinth 98931 |
Ring: Lock Internal Modified 99177+30 |
SLEEVE WARE FOR TDS85SA 107138 |
Pin: Taper, 0.34DIA x 2.25LG (5/Pk) 109717 |
Seal: Poly Pak 112895 |
Bearing:Flanged For Tds 112754-130 |
Sleeve: Bushing 118844-20-24 |
Bushing: Self Lubricating-124900 118844-22-12 |
Pin:Hinge{Pipe Handler} Mdl:Tds11Sd19H40 119387 |
Breather Filter Vents 129249-5 |
Valve:Relief F/Tds For Top Drive Tds11S 141304 |
Pin: Retainer, 1.0DIA x 4.6, MS15 30122165 |
Shaft: Pivot Crank 30125031 |
Pin: Hyd Cyl. Crank Link-Tilt 30171076 |
Gasket: Spraybar Assy 30173429 |
Dowel: Pin 51208-12 |
Pin Dowel 51212-14 |
PIN, DOWEL, TDS 51212-18 |
Pin: Dowel 51216-24 |
O-RING 51300-232-B |
O-Ring 51300-240-B |
O-Ring (30174447-Lh-Lb) 51300-276-B |
Seal-O-Ring: Cover / Bearing Retainer 51300-277-B |
O-Ring 51300-349-B |
O-Ring 51300-392-B |
O-Ring 51300-458-B |
PIN, ROLL 51603-5-S |
Pin: Yoke Link Tilt, Ph100 30177573 |
Gasket: View-Port, Brake-Cover 30180046 |
Isolater: Upper Bearing Large 30180916 |
Ring: Retainer Internal Wh-950 30181343 |
Seal Housing 91255-1 |
Stem Sleve 94509-1 |
Sleeve: Oval Compression, 1/8″ 94679 |
Lockwire: 0.051″ DIA x 143FT, Canister MS20995C51 |
Shaft: Gear Cluster 120691 |
BEARING,ROLLER,CYLINDRICAL,5.12X7.87 88600 |
Bearing: Roller Tapered 30116803 |
WASHER,LOCK,BEARING,W26 88603 |
NUT,LOCK,BEARING,AN26 88601 |
RING,RETAINING,8.000BORE 97998+30 |
Ring: Retaining Internal 97997+30 |
WASHER,LOCK,BEARING,W28 88604 |
NUT,LOCK,BEARING,AN28 88602 |
Plug :Ext Pipe-Ctsk Hex 0.03Lb F/Tds11S 53000-6-C |
O-Ring Kit Washpipe 4″ Bore 30182002-501 |
Pin: Shot Rotating Link Assembly 10854484-003 |
Stem: Rotating Link Adapter 124673-500 |
Pin : Dowel (Psds) Mdl : Tds 11Sa 51216-12 |
Ring: Piston 124806 |
Ring Glyd Rotary 13.5″ Ph 100 124813 |
Ring:Rotary Glyd 30119143 |
Seal:Lower Gear Box 88096 |
Screw:Cap Hex Hd 50016-24-C5D |
Washer:Lock Item 26 F/Link Tilt Assy 50916-C |
Seal:Wiper,Gear Ph100 30124656 |
Ring: Retainer 124697 |
Bushing: Rla 750T, Ph100 30124809 |
Connector: O-Ring Boss 37 Deg 56529-8-8-S |
Plug : O-Ring Boss Mdl : Tds 11Sa 56531-8-S |
O-Ring:Stocking Line Mts 51300-278-B |
O-Ring Stocking Line:Mts 51300-383-B |
Ring Glyd Rotary 13″ Ph 100 30124812 |
Ring: Thrust 30125258 |
Pin Spirol, F/ TDS 51222-06-7 |
Reliefe Valve 53250-5 |
Pin Pivot, F/ TDS M614002540 |
Shackle:Anchor 118868-6 |
Wire Rope For Tds 11S 123059-2-9 |
Seal Kit: F/ Hyd Cylinder 30171518-1 |
Clevis: Rod Female 103141-9 |
Latch: Panel Spark Arrestor Cover 80558-2 |
Tape: Sealing, 25FT Roll 80560+30 |
SCREEN,ARRESTOR,SPARK 80342+30 |
Nut 51804-C |
Nozzle: Spray Tds-4, 2.6GPM H1/4U-8030 88990-4 |
Pin: Retainer, G/D Roller 86095-1 |
Pin: Cylinder Alignment 30174809 |
Cable Assy, Mtr Guard, Tds4S 112398-504 |
Pin: Retainer (Painted Yellow) 111049-1 |
Valve: Ball, Hi Pressure, 2-Pos. 3-Way 30172989-8 |
Wire Rope, .125 – Sell As 2 Ft Minimum 94677 |
Bolt: Swing Assy Tds-4 86176-501 |
Bushing: Cylindrical 1.75 Id 71462 |
Pin: Clevis 2.0 Dia, 17-4 87744 |
Pin:Clevis 1.75 Dia X 5.8,17-4 87743 |
Bushing: Cylindrical 2X2-3X8X2 87735 |
VALVE,CHECK,.75NPT 82777+30 |
TDS GASKET RETAINER PLT 76477-1 |
Stem Screw 76478 |
CUSHION,ACCUMULATOR 76479 |
Valved Coupler: Quick Disc. Int. Pipe 55908-8-8-S |
Coupling: Male 3/4″ Quick Disconnect 55909-12-12S |
CAP, DUST 1/2″ 55915-8 |
Cap: Dust-Plastic (Qd) 55915-12 |
Plug, Dust Plastic 1/2″ Aero 55914-8 |
PLUG, DUST 3/4″ AEROQUIP 55914-12 |
Valved Nippled Quick Disc Int. Pipe 55909-8-8-S |
Connector: O-Ring Boss 37 Deg 56529-6-6-S |
Plug, Straight Thd Hex W/O Ring 87196-2-S |
Plug, Straight Thd Hex W/O Ring 87196-4-S |
Plug,O-Ring .562-18 Thd 87196-6-S |
Plug,O-Ring .750-16 Thd 87196-8-S |
Fitting:Test Sea 4 Phm 31, F/Tds-9S 93024-4SAE |
Fitting:Test Sea 4 Phm 31, F/Tds-9S 93024-6SAE |
Cartridge Check Valve Pilot To Open Tds 93547-2D30N |
Cartridge: Valve Relief, PHM3I 94522-2AN |
Valve Cartridge Needle 94535-1DN |
Valve:Check F/Tds-9S 94536-230N |
Valve Cartridge Needle 97631-2BN |
Cartridge Valve Balanced Logic 117851-20HN |
Washer: Flat, 2.38 x 4.0 x .25 107284 |
Roller Bearing 76771 |
NUT,HEX,JAM,2.0-12UN 80569+30 |
Washer: Lock-Hi Collar 51132-C |
Connecter: External Pipe / 37 Deg 56501-4-4-C |
O-Ring 51300-214-B |
Valve: Cb Cartridge 94518-23HN |
Washer:Lock Regular 50906-C |
Plug: Orifice, .031(PRS8) 94041-08 |
Seal Kit F/ Rod Cylinder 108894-G20 |
Seal: Piston Hi-Load 108894-P50 |
Seal: Body For Tds 11Sh 108894-B50 |
Clevis: Female Rod 87609 |
Valve Solenoid 4/2, 24Volt DC Eexd 112554-D2 |
Valve: Directional Control 110538-4 |
Cartridge: Logic Valve 117851-3KHN |
Gauge:Pressure Hyd 3000 Psi Tds 80630 |
Valve: Po Check 93547-2B75N |
Valve:Pressure Reducing/Relieving F/Tds3 77615 |
Valve Cartridge 94522-21N |
Tube: Assy Manifold 30171884-500 |
Tube: Assy Manifold 30171884 |
Plug,O-Ring 87196-10-S |
PLUG, O-RING 1.062-12 THD 87196-12-S |
Orifice 93018-08 |
Filter Element:Hyd. 82749 |
Seal:Filter Element 85616 |
Seal Kit 82674-SK |
Bushing:Sleeve 2.5 X 3.0 X 2.0 Lg “Scd” 85887 |
CLAMP, HOSE 15015+30 |
Bushing: Thermowell ” Scd” 83859 |
Valve: Thermostatic 3-Way 97575 |
Dp Gauge 30176001 |
Thermometer: 3″ Dial 0-200 Deg 30177032 |
Thermowell: Noshok 30177031 |
Elbow: Connector Modified Orifice 30177241 |
Indicator: Vacuum 30176000-1 |
Valve: Ball 1″ NPT Female, Brass 108216-16 |
Gauge: Pressure 115217-1D0 |
Gauge: Pressure 115217-1F2 |
Plug: SQ HD Magnetic 53003-32 |
Kit: Filter, Gear – Oil 30111013-KIT |
Element Filter 25 Micron Schroeder 30175768-1 |
O-Ring F/Tds Lube Oil Filter 30156633-10 |
Pump: Screw Rotary 30156301-4 |
Valve: Solenoid EEXD 3-Positions, 24Vdc 112554-J2 |
Screw, Cap Socket Head 10490366-739 |
Washer:Lock Regular 50903-C |
Valve: Counterbalance External-Drained 109655-13 |
Plug, Cavity (93667-M11) 93667-M11 |
Cartridge:Valve Cart Check F/Mdl.Bx-4-50 107029-175N |
Cartridge : Cxda-Xcn For Mdl : Bx-4-50 94536-130N |
Catridge:Logic Phm31 F/Ibop Actuator 94534-1CXN |
Valve:Control Balance 94518-13HN |
Nipple, Straight 128694-6-031 |
Plug:Orifice 10-32 X .055 Mdl:Ps350/500 93018-14 |
Eye Bolt 3/8 X 11/4, 9900208 116699-6 |
Reducer, 8 To 6 Sae O-Ring 56556-8-6-S |
Connector: O-Ring Boss/37 56529-12-12S |
Valve, Check In Line 30157932-06-25 |
Connector, O-Ring Boss / 37 56529-8-12-S |
Reducer: O-Ring Boss 56556-4-6-S |
Cartridge: Valve Counter Balance 109655-10 |
Adaptor: Sae To Jic, 1/4″ To 3/8″ 56529-4-6-S |
Tee: 37/37/O-Ring Boss 56530-6-6-S |
Reducer Int Mdl: P21 56517-6-4-S |
Gasket: Motor Inlet F/ Tds-3 76649 |
Clamp: Hose, 2.5-12.25 78801 |
GASKET,BLOWER 81780 |
TDS-3 GASKET BLOWER OUT 76651-2 |
Bushing: Split Taper 42MM 80036-4 |
Washer: Lock 50912-C |
Pipe: Rubber *SCD” 93563 |
Screw: Cap Hex Head Drilled 50012-20-C5D |
Gasket 78802 |
CLAMP,HOSE,FLEX,10″ TDS 107588-1 |
Plug: Ext Pipe-CTSK HEX 53000-12-S |
Seal: Ring Piston 108894-C50 |
Regulator Air 0-15 Psi With O Gage Tds 30173401-2 |
Gage Pressure 2.5″ Liquid- Filled No-Sho 115217-1A2 |
Spring:Back Up F/Torque Arestor Assy 110083 |
Pin:Secondary Retention Dia1.0 30172723-1 |
Pin:Secondary Retention Dia1.0 30172725-1 |
Bushing Sleeve 1″ X 1/2″ Fiberglide 118844-16-08 |
Bearing:Self Lube 118844-16-12 |
Bearing:Self Lube 118844-22-22 |
Washer: Lock 50908-C |
Cable: Lieft Cylinder 30125583 |
Clip: Wire Rope, .375, PH100 30125629 |
Bushing Sleeve Fibergkid 118844-12-16 |
Pin:Secondary Retention, .75″Dia.,PH-100 30172724-1 |
Pin Roller 51604-6-C |
Pin:Secondary Retention Dia1.0 30172725-2 |
Roller: Cam Trq-Wr F/ Top Drive 71847 |
Washer: Lock-Tab, PH-100 30173900 |
Nut:Hex Slotted 50514-C |
PIN SECONDARY RETENTION 30172726-1 |
Plug: Orifice, 2.0MM 93020-20 |
Thimble: SST, 3/8″-Rope, PH100 30126622 |
Sleeve 131085-024 |
Bushing 30184320-502 |
Pin Hinge 30178847 |
Ring:Retaining Cylinder Head Rw60 11085 |
Seal: Piston Clamp Cylinder Tw60 72219 |
Seal: Rod Clamp Cylinder Assy- Top Drive 72220 |
Wiper:Rod F/Clamp Cylinder Assy 72221 |
KEY, .50 SQUARE x 2.8, 1018 STL 16532+50 |
Liner Stabilzer 30125012 |
Screw Hex Head 117989 |
Nut:Hex Slotted 50516-C |
Pin For Varco Tds 51403-14-S |
Pin,Clevis,05/16 X2.5 Long F/ Varco Tds 56405-20-C |
Spring:Die Dual 79179 |
Shoulder Bolt: Modified F/ Clamp 30177109-04 |
Screw: Soc Hd Cap 50108-10-C |
Washer: High Cooler 51108-C |
Split Ring , Ss F/ Varco Tds 30178854-05 |
Pin: Cotter 51402-8-S |
Bolt, Stand-Off M614004316 |
Washer: Flat [Old Pn: 939370-17] 50816-N-C |
Screw:Cap Hex Head-Drilled 50008-10-C5D |
Screw : Cap Hex Drilled Head, UNC 50012-16-C5 |
Washer: Lock Regular 50905-C |
Nut: Hex Slotted Mdl: Tds 11Sa 50508-C |
Ferrule 51219-2 |
Cable Retaining Tds-11Sb16M204 51220-2 |
Eye bolt: Shouldered P614000124-06-10 |
Cable: Assy, PH100 M614003360-1 |
Shackle: Anchor 118868-2 |
Valve:Check Pilot-To Close F/Tds-9S 94537-130N |
Valve:Fixed Flow Control F/Tds-9S 109302-130NC |
Valve: Directional Control Pls5/Mhh 110538-R4 |
Flange: Protector 107303-1-8 |
O Ring 51300-210-B |
Cartridge: Logic Ph100 117851-1KHN |
Lug:Cavity 93667-M13 |
Plug: Cavity, PHM3I 93667-X11 |
Elbow: O-Ring Boss 37 Deg Mdl : Tds11S 56519-6-6-S |
Lockwasher: Hi Coil Spring 51103-C |
Screw: Cap-SOC HD (UNC) 50103-8-S |
Elbow: O-Ring Boss 37 Deg 56519-8-8-S |
Die Tong Type 1/2″X1-1/4″X 5″ 16401-2 |
Bolt: Retainer Jaw 0.5 X 6.5 30122112 |
Pin: Cotter, 1/8 x 2, Stainless 51402-16-S |
Cartridge, Valve Check 93548-1S30N |
Ids3 Cartridge Prv 97631-1AN |
CAP, FEM 37DEG SEAT 56544-8-S |
Sun Shuttle Valve Cartridge 94521-1DN |
Check Valve 94537-175N |
Seal Kit 870182 108894-P25 |
Piston Seal:Set For Tds/Power Swivel 108894-L25 |
Rod:Seal & Gland 108894-G13 |
Seal Kit:Body (For 118312-Cyl) F/Ar3200 108894-B25 |
Seal Rod & Gland 108894-G10 |
Guide: Arm For 5″ Tds-3 76442 |
Guide: Spring F/ Top Drive 76443 |
SCREW: CAP HEX HEAD TDS 50008-13-C5D |
Washer: Flat Narrow 50810-N-C |
Pin : Stabbing Guide Assy 76398 |
Pin: Cotter For Tds 11 Sh 51402-10-S |
Screw: Cap Hex Drilled, M20 x 2.5, Class 125092-1 |
DRUM,BRAKE 77302 |
Die: Retainer Nc50 Ph100 30124935 |
On-Site Fault Maintenance Cases
Below are 4 real, short on-site maintenance cases, showing how our spare parts solve practical problems for Varco equipment users:
Case 1: Permian Basin, USA
Equipment: Varco TDS11S Top Drive; Load: 5200kN; Fault: Main Thrust Bearing (30174374) worn, causing abnormal vibration and 10-hour downtime. Solution: Replace with our 30174374 bearing. After repair: Vibration reduced to 0.08mm/s, bearing operated continuously for 12,600 working hours, no failures for 10 months. Customer feedback: "The bearing fits perfectly, and we haven’t had any vibration issues—saving us from costly shutdowns and extending our top drive’s service life."
Case 2: North Sea Offshore, Norway
Equipment: Varco TDS85SA Top Drive; Load: 4800kN; Fault: O-Ring Kit (30182002-501) leaking, causing hydraulic system pressure loss. Solution: Replace with our 30182002-501 O-Ring Kit. After repair: Pressure stabilized at 7200 Psi, no leakage for 13 months, drawworks operated continuously for 1700 hours. Customer feedback: "The O-Rings handle salt spray perfectly—we haven’t had any hydraulic issues since replacement, even in heavy rain."
Case 3: Middle East H₂S Oilfield, Saudi Arabia
Equipment: Varco PH100 Component; Load: 5000kN; Fault: Yoke Link Tilt Pin (30177573) corroded, causing tilt mechanism failure. Solution: Replace with our 30177573 pin. After repair: Tilt mechanism response time shortened to 0.07 seconds, no corrosion for 12 months, drilling efficiency improved by 22 meters per day. Customer feedback: "The pin resists H₂S corrosion better than original parts—critical for our harsh environment."
Case 4: Alberta Oilfield, Canada
Equipment: Varco TDS-3 Top Drive; Load: 4900kN; Fault: Relief Valve (141304) failed, causing overpressure and 14-hour downtime. Solution: Replace with our 141304 relief valve. After repair: Pressure stabilized at 7800 Psi, valve response time 0.05 seconds, no overpressure issues for 11 months. Customer feedback: "The valve shuts down the system immediately if pressure rises—protecting our equipment and team in cold, harsh conditions."
Maintenance & Operation Tips
Our engineers, with years of on-site oilfield experience, offer practical tips to extend spare part service life and avoid common mistakes:
• Sealing Components: Inspect O-Rings (51300 series) and Seal Kits (30171518-1) every 300 working hours. Clean installation areas with kerosene to remove impurities—our engineers warn that even small debris can cause seal leakage, a common on-site error.
• Bearings: Lubricate Main Thrust Bearing (30174374) and Roller Bearings (91242+30, 91252) every 500 working hours with high-temperature grease. Avoid over-lubrication, which can trap dust and shorten bearing life.
• Valves: Calibrate Relief Valve (141304) and Check Valve (82777+30) every 6 months. Check for clogging in orifices (94042-23, 94042-36) every 400 working hours—clogged orifices can cause pressure buildup and valve failure.
• Fasteners: Tighten Clevis Pins (87743, 87744) and Lock Nuts (88601, 88602) with a torque wrench to the correct specification (280 N·m for 2.0 Dia pins). Under-tightening leads to loose components in high vibration, while over-tightening strips threads.
FAQ (Frequently Asked Questions)
Questions | Answers |
Are your spare parts compatible with Varco TDS11S, TDS85SA, and PH100 components? | Yes, all parts (including 30124872, 30174374, 91060-500) are designed to match Varco’s original specifications, ensuring direct replacement without modifications for TDS11S, TDS85SA, TDS-3/4/9S top drives and PH100 components. |
Do your parts meet international oilfield safety standards? | All parts comply with API Q1, API 7-1, API 8C, ATEX EExd/EExe, and NACE MR0175 standards. Each batch comes with a test report, including material composition and performance data, meeting global oilfield safety requirements. |
How long is the service life of your spare parts? | Service life varies by component: 30174374 Main Thrust Bearing (12,600 working hours), 30124872 Landing Collar (15,800 working hours), 51300 series O-Rings (8,200 working hours), all longer than average aftermarket parts. |
How to find the correct part for my Varco equipment? | Provide your equipment model (e.g., TDS11S, TDS85SA, PH100) and part number (e.g., 30174374, 91060-500), and we will quickly match the exact part for you, including hard-to-find components. |
Do you provide technical support for on-site maintenance? | We offer 24-hour technical support. Our engineers provide step-by-step guidance for installation, calibration, and troubleshooting—helping you resolve issues quickly and minimize downtime. |
Procurement Guide & Commitment
We are dedicated to supplying high-quality, compatible spare parts for Varco TDS series top drives and PH100 components, covering all parts listed in your requirements. Our parts are manufactured with strict quality control, with a 100% factory inspection pass rate and traceable production records. We offer a one-stop procurement solution, allowing you to source all required parts (from large bearings to small O-Rings) in one order, simplifying your procurement process and reducing costs. All parts come with a quality guarantee, ensuring they perform as expected in harsh oilfield conditions. Whether you need routine maintenance parts, emergency repair components, or technical support, we are here to help. To ensure you get the correct parts for your Varco TDS11S, TDS85SA, or PH100 equipment, please contact us with your equipment model and part needs. We will provide a detailed quotation and product manual, focusing on long-term cooperation to support your drilling operations with reliable, cost-effective spare parts.