Product Introduction
This curated assortment covers all mission-critical mechanical, hydraulic, sealing, and structural components for the targeted top drive models, split into two specialized lots: NOV TDS 11SA top drive spares (including tong dies, IBOP repair kits, brake discs, hydraulic pumps/cylinders, high-pressure hoses, seals, and valve assemblies) and DQ-225DBZ/DQ-250Z top drive spares (including hydraulic motors, piston pumps, mud valves, feed pipes, friction components, and control valves). All parts undergo factory pressure and load testing validated for up to 15,000PSI operating pressure, with full material traceability and strict adherence to API 8C standards. The lineup features wear-resistant tong dies, H2S-compatible IBOP trims, high-tensile hydraulic components, and precision sealing parts, fully mapped to original top drive part numbers for simplified inventory management and emergency field repairs.
Functional Performance Specifications
These top drive spare parts deliver industry-leading drilling reliability: API-certified tong dies provide 30,000+ operating hours of gripping performance with zero slip under maximum torque load; H2S-resistant IBOP components achieve 99.9% leak-free sealing at 15,000PSI, eliminating fluid backflow; hydraulic pumps and cylinders maintain consistent pressure output, boosting top drive response speed by 35%; high-pressure hoses and feed pipes resist fatigue and abrasion, reducing leakage failures by 50%; and precision seals/bearings extend lubrication intervals, cutting routine maintenance time by 40%.
Structural & Material Features
- API 8C Rated Construction: All load-bearing and pressure-containing components use high-tensile alloy steel, forged and heat-treated to meet strict API Spec 8C structural requirements for heavy-duty drilling.
- H2S Corrosion Resistance: IBOP trims and sealing components use specialized corrosion-resistant alloys, compatible with sour gas drilling environments and preventing material degradation.
- High-Pressure Sealing Technology: Multi-stage O-rings, seal kits, and polypak seals use fluoroelastomer compounds, rated for 15,000PSI pressure and resistant to drilling fluid chemicals.
- Wear-Resistant Surfaces: Tong dies, brake discs, and wear sleeves use hardened surface treatments, extending service life and reducing replacement frequency in high-wear zones.
- Modular Assembly Design: Pre-packaged repair kits and hose assemblies streamline top drive overhauls, cutting maintenance downtime by 65% during critical drilling operations.
Applicable Operating Conditions
These spare parts are built for harsh onshore and offshore drilling environments, optimized for NOV TDS 11SA, DQ-225DBZ, and DQ-250Z top drives used in rotary drilling, pipe handling, and well completion operations. They perform reliably in ambient temperatures ranging from -20°F to 160°F, resist exposure to drilling mud, H2S gas, saltwater, and heavy rig vibration, and fully comply with API 8C safety standards for high-pressure top drive systems.
Maintenance & Service Recommendations
- Inspect IBOP seals, diaphragms, and trim components every 3 months for wear or corrosion; replace degraded parts immediately to maintain 15,000PSI pressure sealing and prevent fluid backflow.
- Check hydraulic hoses, cylinders, and pumps quarterly for leaks, cracks, or pressure loss; replace faulty hoses and overhaul worn cylinders to preserve hydraulic system efficiency.
- Inspect tong dies, brake discs, and friction components semi-annually for wear; replace worn dies and discs to ensure safe gripping and braking performance under full torque load.
- Lubricate bearings, cam followers, and moving components per OEM specifications every 5,000 operating hours to reduce friction and prevent premature failure.
- Replace hydraulic filter elements and air filters every 6 months to prevent contaminant buildup, protecting pumps and motors from damage.
- Retorque all fasteners, pins, and retainers to API torque specifications every 8,000 operating hours, replacing damaged hardware to prevent component separation.
- Stock high-wear consumables (seal kits, tong dies, hoses, filters) at recommended minimum levels to eliminate unplanned top drive shutdowns.
We supply the following spare parts:
| Item no. | Goods and materials title | UOM | Standard |
| 1 | Die for 16401-2 HT-100 tongs TDS-11A Top drive | pcs. | APİ Spec 8C |
| 2 | Repair kit, lower IBOP H2S (P/N 99503-2) | pcs. | APİ Spec 8C |
| 3 | IBOP diaphragm pressure switch (P/N 83095-1) | pcs. | APİ Spec 8C |
| 4 | TONG,DIE 16401-2 | pcs. | APİ Spec 8C |
| 5 | Brake disc 109528 | pcs. | APİ Spec 8C |
| 6 | Brake Master Cylinder109555 | pcs. | APİ Spec 8C |
| 7 | Swivel feed pipe 3″diameter,7500Psi (P/N 30123289) | pcs. | APİ Spec 8C |
| 8 | Hydraulic filter assembly TDS-11SA (P/N 30173216) | set | APİ Spec 8C |
| 9 | Hydraulic pump 109542 | pcs. | APİ Spec 8C |
| 10 | Hydraulic cylinder assembly 110703 | pcs. | APİ Spec 8C |
| 11 | Hydraulic cylinder assembly 110704 | pcs. | APİ Spec 8C |
| 12 | Gear belt 120117-3 TDS-11SA | pcs. | APİ Spec 8C |
| 13 | Lock keeper PH-75 pipe manifold, hydr. 30156326-36S | pcs. | APİ Spec 8C |
| 14 | Hose assembly 59024P170024 | pcs. | APİ Spec 8C |
| 15 | Hose assembly 59025P17N023 | pcs. | APİ Spec 8C |
| 16 | Hose assembly 59043P170038 | pcs. | APİ Spec 8C |
| 17 | Hose assembly 59044P170042 | pcs. | APİ Spec 8C |
| 18 | Hose assembly 59044P230073 | pcs. | APİ Spec 8C |
| 19 | Hose assembly 59143P290086 | pcs. | APİ Spec 8C |
| 20 | Crank assembly P/N 30157225 with the rollers | pcs. | APİ Spec 8C |
| 21 | FITTING, GREASE STRAIGHT 53219-1 TDS 11 SA | pcs. | APİ Spec 8C |
| 22 | High-pressure NJ oil pipe 117091-500 | set | APİ Spec 8C |
| 23 | High-pressure NJ oil pipe 30113982-500 | set | APİ Spec 8C |
| 24 | High-pressure NJ oil pipe 30114086-500 | set | APİ Spec 8C |
| 25 | Electromagnetic valve (manifold elev.)30175915-D2 | pcs. | APİ Spec 8C |
| 26 | Valve 30Psi (Manifold PH-100)94536-130N | pcs. | APİ Spec 8C |
| 27 | Hose assembly, clamp rod (P/N 59044P230074) | set | APİ Spec 8C |
| 28 | SHELL ACTUATOR IBOP (P/N 110042) | pcs. | APİ Spec 8C |
| 29 | CRANK ASSY IBOP (P/N 98898) | pcs. | APİ Spec 8C |
| 30 | Lock tab (P/N 107052) | pcs. | APİ Spec 8C |
| 31 | LINK1 COLLAPSIBLE 1 (P/N 30170445) | pcs. | APİ Spec 8C |
| 32 | LINK1 COLLAPSIBLE 2 (P/N 30170446) | pcs. | APİ Spec 8C |
| 33 | HOSE ASSY HYDRAUILC CYLINDER LINK TILT (P/N 59043P230042) | set | APİ Spec 8C |
| 34 | HOSE ASSY HYDRAUILC CYLINDER LINK TILT (P/N 59025P23G028) | set | APİ Spec 8C |
| 35 | PIN RETAINER(P/N 30170045) | pcs. | APİ Spec 8C |
| 36 | WASHER FLAT (P/N 50814-N-C) | pcs. | APİ Spec 8C |
| 37 | HOSE ASSY HYDRAUILC CYLINDER LINK TILT (P/N 59043P230031) | set | APİ Spec 8C |
| 38 | HOSE ASSY HYDRAUILC CYLINDER LINK TILT (P/N 59024P230046) | set | APİ Spec 8C |
| 39 | HOSE ASSY IBOP CYLINDER (P/N 59024P170021) | set | APİ Spec 8C |
| 40 | HOSE ASSY IBOP CYLINDER (P/N 59024P170025) | set | APİ Spec 8C |
| 41 | NUT (P/N 50514-C) | pcs. | APİ Spec 8C |
| 42 | IBOP LOWER H2S TRIM(P/N 114706-502) | pcs. | APİ Spec 8C |
| 43 | IBOP UPPER H2S TRIM (P/N 110103-502) | pcs. | APİ Spec 8C |
| 44 | SAVER SUB 6 5/86 5/8 (P/N 76666-2) | pcs. | APİ Spec 8C |
| 45 | PIN PIVOT YOKE (P/N 30158766-1) | pcs. | APİ Spec 8C |
| 46 | PIN CYLINDER (P/N 30172154) | pcs. | APİ Spec 8C |
| 47 | BUSHING (P/N 118844-16-08) | pcs. | APİ Spec 8C |
| 48 | BUSHING (P/N 118844-16-12) | pcs. | APİ Spec 8C |
| 49 | BUSHING (P/N 118844-22-22) | pcs. | APİ Spec 8C |
| 50 | CAM FOLLOWER (P/N 71847) | pcs. | APİ Spec 8C |
| 51 | SPRING (P/N 76443) | pcs. | APİ Spec 8C |
| 52 | GUIDE ARM (P/N 76442) | pcs. | APİ Spec 8C |
| 53 | SCREW (P/N 50008-13-C5D) | pcs. | APİ Spec 8C |
| 54 | SEAL ROD (P/N 72220) | pcs. | APİ Spec 8C |
| 55 | SEAL PISTON (P/N 72219) | pcs. | APİ Spec 8C |
| 56 | RING WIPER (P/N 72221) | pcs. | APİ Spec 8C |
| 57 | LINER STABILIZER (P/N 30158690) | pcs. | APİ Spec 8C |
| 58 | Rotating link adapter (P/N 30173277) | pcs. | APİ Spec 8C |
| 59 | O-RING (P/N ) | pcs. | APİ Spec 8C |
| 60 | O-RING (P/N 51300-381-B) | pcs. | APİ Spec 8C |
| 61 | O-ring 11.000 Rod (P/N 30119319) | pcs. | APİ Spec 8C |
| 62 | RING THRUST (P/N 30119357) | pcs. | APİ Spec 8C |
| 63 | PISTON RING (P/N 30173156) | pcs. | APİ Spec 8C |
| 64 | GLYD RING ROTARY 11.500 rod (P/N 30119143) | pcs. | APİ Spec 8C |
| 65 | GLYD RING ROTARY 10.000 rod (P/N 118375) | pcs. | APİ Spec 8C |
| 66 | SEAL WIPER (P/N 119547) | pcs. | APİ Spec 8C |
| 67 | Retainer ring (P/N 30117775-2) | pcs. | APİ Spec 8C |
| 68 | Bushing (P/N 119358) | pcs. | APİ Spec 8C |
| 69 | Bushing (P/N 115176) | pcs. | APİ Spec 8C |
| 70 | BEARING FLANGED (P/N 112754-130) | pcs. | APİ Spec 8C |
| 71 | PUMP ASSY LUBE (P/N 117603-1) | pcs. | APİ Spec 8C |
| 72 | Radiator (P/N 30122104) | pcs. | APİ Spec 8C |
| 73 | SLEEVE WEAR (P/N 109591) | pcs. | APİ Spec 8C |
| 74 | O-RING MAIN BODY/STEM (P/N 51300-385-F) | pcs. | APİ Spec 8C |
| 75 | O-RING OIL LUBE TUBE (P/N 51300-016-B) | pcs. | APİ Spec 8C |
| 76 | O-RING MAIN BODY OIL GALLERY (P/N 51300-223-F) | pcs. | APİ Spec 8C |
| 77 | O-RING MAIN BODY BEARING COVER (P/N 51300-258-B) | pcs. | APİ Spec 8C |
| 78 | O-RING COVER BEARING RETAINER (P/N 51300-277-B) | pcs. | APİ Spec 8C |
| 79 | O-RING MAIN BODY OIL PUMP ADAPTER (P/N 51300-279-B) | pcs. | APİ Spec 8C |
| 80 | BEARING ISOLATOR (P/N 30173521) | pcs. | APİ Spec 8C |
| 81 | O-RING (P/N 51300-425-B) | pcs. | APİ Spec 8C |
| 82 | SEAL OIL(P/N 91250-1) | pcs. | APİ Spec 8C |
| 83 | SEAL POLYPAK (P/N 98291) | pcs. | APİ Spec 8C |
| 84 | SHIELD BEARING (P/N 30154362) | pcs. | APİ Spec 8C |
| 85 | SEAL (P/N 77039) | pcs. | APİ Spec 8C |
| 86 | SCREW (P/N 50008-12-C5D) | pcs. | APİ Spec 8C |
| 87 | WASHER (P/N 50908-C) | pcs. | APİ Spec 8C |
| 88 | SEAL RING 4” 1002 (P/N 114833) | pcs. | APİ Spec 8C |
| 89 | SEAL RING 3” 0zx 1002 (P/N 91923) | pcs. | APİ Spec 8C |
| 90 | SEAL KIT (P/N 109528-2) | pcs. | APİ Spec 8C |
| 91 | ELBOW (P/N 56506-2-4-S) | pcs. | APİ Spec 8C |
| 92 | RESERVOIR BREATHER (suction pipe) (P/N 71613) | pcs. | APİ Spec 8C |
| 93 | O-RING (P/N 51300-038-B) | pcs. | APİ Spec 8C |
| 94 | GASKET (P/N 110132) | pcs. | APİ Spec 8C |
| 95 | BLADDER RESERVOIR (5 GALLONS) (P/N 110191-501) | pcs. | APİ Spec 8C |
| 96 | SEAL KIT (P/N 87605-1) | set | APİ Spec 8C |
| 97 | KIT TUBE (P/N 30171993) | set | APİ Spec 8C |
| 98 | HOSE ASSY HYDRAULIC -HIGH PRESSURE (P/N 59144P290099) | set | APİ Spec 8C |
| 99 | HOSE ASSY HYDRAULIC -HIGH PRESSURE (P/N 59124P290093) | set | APİ Spec 8C |
| 100 | CLEVIS CYLINDER COUNTERBALANCE (P/N 110077) | pcs. | APİ Spec 8C |
| 101 | PIN CLEVIS CYLINDER COUNTERBALANCE(P/N 30172176-BSC) | pcs. | APİ Spec 8C |
| 102 | PIN CLEVIS CYLINDER COUNTERBALANCE(P/N 30172176-502) | pcs. | APİ Spec 8C |
| 103 | NUT (P/N 50516-C) | pcs. | APİ Spec 8C |
| 104 | PUMP HYD VANE (P/N 107783-5C11R) | pcs. | APİ Spec 8C |
| 105 | SCREW (P/N 50006-6-C5D) | pcs. | APİ Spec 8C |
| 106 | WASHER FLAT (P/N 50806-R) | pcs. | APİ Spec 8C |
| 107 | LOCKWIRE 031” (P/N Z6000.8) | meter | APİ Spec 8C |
| 108 | LOCKWIRE 047” (P/N Z6001.9) | meter | APİ Spec 8C |
| 109 | LOCKWIRE 051” (P/N Z6001) | meter | APİ Spec 8C |
| 110 | Filter element (P/N 114416-1) | set | APİ Spec 8C |
| 111 | Hydraulic motor P/N 30156326-36S | pcs. | APİ Spec 8C |
| 112 | Hydraulic pump P/N 107783-5C11R | pcs. | APİ Spec 8C |
| 113 | Solenoid valve DHA-0713/PA-M/722DC | pcs. | APİ Spec 8C |
| 114 | Solenoid valve DHA-0631/2/PA-M/7-24DC | pcs. | APİ Spec 8C |
| 115 | Comp. upper IBOP 6⅝” x6 ⅝” 15000PSI (P/N 110103-502) | set | APİ Spec 8C |
| 116 | Screw, Return,Spring 109528-4 TDS-11SA | pcs. | APİ Spec 8C |
| 117 | Packing seal kit 123292-2 | set | APİ Spec 8C |
| 1 | Hydraulic motor 1300126355 | pcs. | APİ 8C:2012 |
| 2 | Hose and valve set for hydraulic station DQ026.07.00 | set | APİ 8C:2012 |
| 3 | Piston pump 1300092727 | pcs. | APİ 8C:2012 |
| 4 | Drilling mud Valve 1300106826 | pcs. | APİ 8C:2012 |
| 5 | Feed pipe 1200481442 | pcs. | APİ 8C:2012 |
| 6 | Feed pipe assembly DQ026.04.00 | set | APİ 8C:2012 |
| 7 | Feed pip seal 1200419368 | set | APİ 8C:2012 |
| 8 | Coupling 1300108892 | pcs. | APİ 8C:2012 |
| 9 | Oil filter 1300108717 | pcs. | APİ 8C:2012 |
| 10 | Friction resistant item-1 P/n1200419582 | pcs. | APİ 8C:2012 |
| 11 | Friction resistant item-1 P/n1200419584 | pcs. | APİ 8C:2012 |
| 12 | Hex head Screw P/n1300100124 | pcs. | APİ 8C:2012 |
| 13 | Roller guide DQ001.07.04.00 | pcs. | APİ 8C:2012 |
| 14 | Valve (hydraulic) P/N DQ001.02.03 | pcs. | APİ 8C:2012 |
| 15 | Valve (mechanical) P/N DQ001.02.02 | pcs. | APİ 8C:2012 |
| 16 | Mud pipe DQ004.04.02 | pcs. | APİ 8C:2012 |
| 17 | Engine 2K-350 | pcs. | APİ 8C:2012 |
| 18 | Saver sub DQ004.02.06 | pcs. | APİ 8C:2012 |
| 19 | Hose assembly 10II-2400J16C1-J22C4 | set | APİ 8C:2012 |
| 20 | Hose assembly 10II-2250J16C1-J22C9 | set | APİ 8C:2012 |
| 21 | Balancing device cylinder 1300127451 | pcs. | APİ 8C:2012 |
| 22 | Balancing device cylinder 1300127452 | pcs. | APİ 8C:2012 |
| 23 | Reverse (return) filter 1300110038 | pcs. | APİ 8C:2012 |
| 24 | Oil filter HF29073 (DQ225DBZ) | pcs. | APİ 8C:2012 |
| 25 | Air filter 1300016573 | pcs. | APİ 8C:2012 |
| 26 | Hid. engine assembly. DQ005.12.21.00 (DQ250Z | set | APİ 8C:2012 |
| 27 | Hydraulic cylinder (shackle) 1300127820 | pcs. | APİ 8C:2012 |
| 28 | Hydraulic cylinder (shackle) 1300127821 | pcs. | APİ 8C:2012 |
| 29 | Guide cover DQ19.01.20.00 | set | APİ 8C:2012 |
| 30 | Guide cover DQ018.01.05.00 | pcs. | APİ 8C:2012 |
| 31 | Die 3½” 1200437624 DQ250Z | pcs. | APİ 8C:2012 |
| 32 | Die 4½” 1200437627 DQ250Z | pcs. | APİ 8C:2012 |
| 33 | Die 5½” 1200440544 DQ250Z | pcs. | APİ 8C:2012 |
| 34 | Preventor DQ026.02.00 | set | APİ 8C:2012 |
| 35 | Feed pipe DQ005.04.02 | pcs. | APİ 8C:2012 |
| 36 | ZJ-40CZ drill rig DQ 225DBZ Top-Drive hydraulic valve (P/N 1HK5; RVCA LAN/LH) | pcs. | APİ 8C:2012 |
| 37 | ZJ-40CZ drill rig DQ 225DBZ Top-drive hydraulic valve (P/N 1JR7; PBDB LAN/LH) | pcs. | APİ 8C:2012 |
| 38 | ZJ-40CZ drill rig DQ 225DBZ Top-Drive Direction Control Valve; (VICKERS) (P/N 1246; MRV4-16-0-0) | pcs. | APİ 8C:2012 |
| 39 | S-pipe DQ026.06.00 | set | APİ 8C:2012 |
Field Failure Repair Case Studies
Case 1: IBOP Seal Failure & Pressure Leakage
A NOV TDS 11SA top drive experienced severe 15,000PSI pressure leakage from a degraded lower IBOP H2S seal, halting drilling operations. Installing the OEM 99503-2 IBOP repair kit restored full pressure sealing and resumed rotary drilling.
Case 2: Brake Disc Wear & Braking Loss
Thin, worn brake discs on a TDS 11SA top drive led to reduced braking torque and unsafe pipe handling. Swapping in the OEM 109528 brake disc restored full braking capacity and operational safety.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with both NOV TDS 11SA and DQ-series top drives? | Yes, this catalog includes dedicated OEM spares for NOV TDS 11SA, DQ-225DBZ, and DQ-250Z top drive models, with direct drop-in fitment for each unit. |
| Do these top drive parts meet API Spec 8C and 15,000PSI pressure standards? | Absolutely, all components comply with API Spec 8C and API 8C:2012 standards, rated for up to 15,000PSI high-pressure top drive operation. |
| Are the IBOP components H2S compatible for sour gas drilling? | Yes, the IBOP trims and repair kits feature H2S-resistant materials, designed specifically for sour gas and harsh drilling environments. |
