Key Functional Specifications
- Hydraulic System Compatibility: Parts support 24VDC solenoid operation, precision pressure regulation (10 PSI to 1500 PSI), and leak-proof sealing for TDS 11SA hydraulic pumps, valves, and cylinders
- Mechanical Durability: High-grade alloy bearings, precision gears, and wear-resistant bushings engineered for 8,000+ hour service life under heavy rotary loading
- Electrical Control Integration: OEM-matched control modules, IGBT components, and interface units for seamless compatibility with the TDS 11SA vector control system
- Sealing & Lubrication Performance: Specialized seal kits, O-rings, and lubrication pumps that prevent fluid contamination and extend gearbox/bearing lifespan
Structural Design Features
All TDS 11SA parts feature a precision-machined, interchangeable design that eliminates custom fabrication delays and simplifies field installation. Key structural highlights include:
- Standardized dimensional tolerances (±0.001 inches) for direct drop-in replacement with original TDS 11SA components
- Corrosion-resistant coatings and high-temperature materials to combat drilling mud, hydraulic oil, and harsh atmospheric exposure
- Modular assembly design for IBOP actuators, hydraulic cylinders, and rotary components, reducing disassembly/assembly time by 40%
- Reinforced load-bearing surfaces on bearings, gears, and crank assemblies to handle peak drilling torque and thrust loads
Applicable Operating Conditions
These TDS 11SA replacement parts are certified for use in the most demanding drilling scenarios, including:
- Onshore land drilling rigs (desert, arctic, and temperate climates)
- Offshore platform drilling operations with high-pressure wellbore conditions
- Continuous 24/7 drilling duty cycles with minimal maintenance windows
- High-torque, deep-well drilling projects requiring consistent top drive performance
- API-compliant drilling operations adhering to global industry safety and performance standards
Maintenance & Service Recommendations
To maximize the service life of TDS 11SA components and avoid unplanned outages, follow these industry-leading maintenance protocols:
- Scheduled Replacement: Replace consumable seals, O-rings, and friction pads every 3,000 operating hours; inspect hydraulic valves and pumps every 1,500 hours for wear or leakage
- Lubrication Protocol: Use only the specified SEAL OIL (P/N 91250-1) for gearbox and bearing lubrication, maintaining proper oil pressure (10 PSI) via the OEM pressure switch
- Inspection Routine: Conduct monthly visual inspections of IBOP actuators, hydraulic cylinders, and electrical connectors; test solenoid valves and pressure switches quarterly for functional accuracy
- Storage Guidelines: Store spare parts in a dry, temperature-controlled environment to prevent corrosion; seal hydraulic components in anti-contamination packaging until installation
- Troubleshooting Priority: Cross-reference this parts list during fault diagnosis to quickly identify defective components, reducing mean time to repair (MTTR) in field operations
We supply the following spare parts:
| ITEM | DESCRIPTION | PART NUMBER | M.E.S.C |
| 1 | SEAL OIL | 91250-1 | 0136850113 |
| 2 | RELIEF VALVE, VENTABLE | 107031-1AN | 0136852223 |
| 3 | RELIEF VALVE | 94520-1NN | 0136852133 |
| 4 | SEAL POLYPAK | 98291 | 0136850123 |
| 5 | O-RING, COVER/BEARING RETAINER | 51300-277-B | 0136850193 |
| 6 | PUMP, HYD. PISTON | 109542 | 0136851923 |
| 7 | PUMP, HYD. VANE 1.0 CU. IN/MIN. | 107783-5C11R | 0136851933 |
| 8 | FLEX COUPLING | 110023 | 0136851943 |
| 9 | DIFFERENTIAL UNLOADING VALVE | 107028-1ANB | 0136852203 |
| 10 | SOLENOID VALVE 3-POS, 24VDC GENERAL SPEC.=? | 127908-J2 | 0136852299 |
| 11 | SOLENOID VALVE, 2-POS, 24VDC GENERAL SPEC.=? | 127908-D2 | 0136852309 |
| 12 | CYLINDER ASSEMBLY, IBOP ACTUATOR | 125594 | 0136852843 |
| 13 | CYLINDER HYD. ASSY. | 30119592 | 0136854133 |
| 14 | CYLINDER ASSY. | 110703 | 0136854413 |
| 15 | VALVE, RELIEF | 94520-1AN | 0136855793 |
| 16 | VALVE COUNTERBALANCE | 94518-13HN | 0136852723 |
| 17 | CHECK VALVE | 93547-1B30N | 0136852713 |
| 18 | PUMP ASSY. GEARBOX LUBRICATION (ALUM.) | 117603-1 | 0136850613 |
| 19 | RELIEF VALVE | 111664-1EN | 0136852253 |
| 20 | REDUCING/RELIEVING VALVE | 99353-1AN | 0136852193 |
| 21 | EXTERNAL CRANK ASSY. | 98898 | 0136854123 |
| 22 | DIE TONG | 16401-2 | 0136857313 |
| 23 | BELT, TIMING | 120117 | 0136854773 |
| 24 | FRICTION PAD | 109528-1 | 0136850303 |
| 25 | WASH PIPE ASSY. | 30123290 | 0136850033 |
| 26 | PACKING SEAL KIT ( 5 PER SET ) | 123292-2 | 0136856483 |
| 27 | MAIN SHAFT WITH LANDING COLLAR | 121131 | 0136850473 |
| 28 | PRESSURE SWITCH, OIL (10 PSI) MFG., MODEL, RANGE=? | 87541-1 | 0136854829 |
| 29 | LINER, UPPER STEM | 98290 | 0136850133 |
| 30 | HYDRAULIC MOTOR | 114375-1 | 0136855803 |
| 31 | RETAINER RING | 30117775 | 0136853743 |
| 32 | LOWER COMPOUND SPHERICAL ROLLER BEARING GENREAL SPEC.-? | 117987 | 0136850399 |
| 33 | MAIN SHAFT SLEEVE | 110040-1 | 0136850453 |
| 34 | STEM SLEEVE | 91829-1 | 0136850503 |
| 35 | BEARING ISOLATOR | 118456 | 0136850673 |
| 36 | SHIELD, BEARING (OLD P/N: 30118959) | 30154362 | 0136850143 |
| 37 | SLEEVE, WEAR | 109591 | 0136850683 |
| 38 | RETAINER, BEARING – UPPER STEM ( 30176112) | 118668 | 0136850713 |
| 39 | S- PIPE PACKAGE, COMPLETE ASSEMBLY, ( RIGHT HAND, 7500 PSI, OUTSIDE GUARD) | 30156835-R75-2 | 0136851723 |
| 40 | MANIFOLD ASSEMBLY , UL | 114174 | 0136852101 |
| 41 | thrust bearing | 30120556 | 0136850665 |
| 42 | upper compound bearing | 109522 | 0136850355 |
| 43 | main lower bearing | 109521 | 0136850445 |
| 44 | TAPERED ROLLER BEARING | 109519 | 0136850465 |
| 45 | compound gear | 30158573 | 0136850373 |
| 46 | bull gear | 30158574 | 0136850483 |
| 47 | cover main body | 110125 | 0136850743 |
| 48 | o-ring | 51300-273-B | 136853613 |
| 49 | o-ring | 51300381-B | 0136853623 |
| 50 | Glyd ring rotary11/in rod | 30119319 | 0136853633 |
| 51 | Glyd ring rotary11/5in rod | 30119143 | 0136853663 |
| 52 | Glyd ring rotary10in rod | 118375 | 0136853673 |
| 53 | Ring trust | 30119357 | 0136853643 |
| 54 | Bushing turcite | 119358 | 0136853723 |
| 55 | Seal wiper | 119547 | 0136853693 |
| 56 | Roller 2 in | 71847 | 5846450951 |
| 57 | YOKE IBOP ACTUATOR | 30157225 | 0136853303 |
| 58 | SHELL , IBOP ACTUATOR | 110042 | 0136854163 |
| 59 | ASSEMBLY EXTERNAL CRANK | 98898, | 0136854123 |
| 60 | PINION GEAR, HELICAL | 117939 | 0136855583 |
| 61 | HUB, BRAKE | 109554 | 0136855633 |
| 62 | CAM FOLLOWER 6 ” DIE | 30155438 | 0136859755 |
| 63 | BEARING , CAM FOLLOWER | 30158767-04 | 0136859765 |
| 64 | RECTIFIER INTERFACE | 6SE7 041-8GK85-0HA0 | 6772906973 |
| 65 | INVERTER INTERACE MODULEIVI | 6SE7038-6GL84-1BG2 | 6772908163 |
| 66 | DYNAMIC BREAK CHOPPER | 6SE7032-5FB87-2DA0 | 6772906953 |
| 67 | DIGITAL TACH INTERFACE | 6SE7090-0XX84-3DB0 | 6772906963 |
| 68 | CONTROL UNIT VECTOR CONTROL | 6SE7090-0XX84-0AB0 | 6772907623 |
| 69 | OP1S | 6SE7090-0XX84-2FK0 | 6772460123 |
| 70 | COMMUNICATION MODULE | 6SX7010-0FJ00 | 6772460153 |
| 71 | CONTROL UNIT RECTIFIER, CUR | 6SE7090-0XX85-1DA0 | 6772460143 |
| 72 | IGBT Module, 1600V, 1200A | FZ1200R16KF4-S1 | 6739160051 |
| 73 | VARISTOR, MOV, 420VAC, 560VDC | E10640 | 0136919473 |
| 74 | Ø600,220V, 700 W, 1360 rpm, 10040 m³/h | FTP 4E-600B | 3886100152 |
| 75 | MODEL:ZR54KC-TF5 , 3PH,230V,50/60H | 3897080253 | |
| 76 | GLAND, EEXE ARMOURED CABLE (50MM) GENERAL SPEC.=? | 129991-7 | 0136854909 |
| 77 | GLAND, EEXE ARMOURD CABLE (20 MM) GENERAL SPEC.=? | 83444-03 | 0136854919 |
| 78 | GLAND, EEXE ARMOURD CABLE (20 MM) GENERAL SPEC.=? | M614002913-03 | 0136854929 |
| 79 | GLAND, EEXE ARMOURD CABLE GENERAL SPEC.=? | 83444-06 | 0136854939 |
| 80 | ENCODER DIGITAL | 115299 | 0136854733 |
| 81 | PRESSURE SWITCH, AIR (4WC) MFG., MODEL, RANGE=? | 76841 | 0136854819 |
| 82 | PRESSURE SWITCH, OIL (10 PSI) MFG., MODEL, RANGE=? | 87541-1 | 0136854829 |
| 83 | PRESSURE SWITCH, IBOP (1500 PSI) MFG., MODEL, RANGE=? | 83095-1 | 0136854839 |
| 84 | CONNECTOR, SINGLE PIN POWERED RED | 110022-1R | 0136854873 |
| 85 | CONNECTOR, SINGLE PIN POWERED WHT | 110022-1W | 0136854883 |
| 86 | CONNECTOR, SINGLE PIN POWERED BLK | 110022-1B | 0136854893 |
| 87 | CONTACTOR,9A | 30157674-9120 | 0136859563 |
| 88 | CONTACTOR.12A | 30157674-12-120 | 0136859573 |
| 89 | 2.2KW MOTOR O/L | 30157674-2.2 | 0136859583 |
| 90 | 7.5KW MOTOR O/L | 30157674-12-120 | 0136859593 |
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts fully compatible with the TOP DRIVE TDS 11SA original equipment? | Yes, every part in this catalog is engineered to match OEM dimensional, performance, and material specifications for direct drop-in compatibility with the TDS 11SA top drive system, with no modifications required. |
| How do I identify the correct replacement part for a faulty TDS 11SA component? | Cross-reference the existing part number stamped on your faulty component with the PART NUMBER column in this list; verify the M.E.S.C code and description to confirm an exact match for your application. |
| What is the recommended service life for consumable TDS 11SA parts? | Wear components (seals, O-rings, friction pads) last 3,000-5,000 operating hours; mechanical parts (bearings, gears, cylinders) last 8,000-12,000 hours with proper lubrication and routine maintenance per API drilling standards. |
