Product Introduction

These TM-120 spare parts are precision-manufactured wear components, hydraulic assemblies, structural fasteners, and sealing kits built to revive and sustain the performance of the Toughneck TM-120 Iron Roughneck. Unlike generic aftermarket spares, each part is reverse-engineered to original OEM blueprints, with rigorous quality testing for wear resistance, hydraulic pressure tolerance (up to 5000 psi), and structural durability. The parts lineup covers all critical subsystems of the TM-120, including clamping anvils, hydraulic cylinders, high-pressure hoses, bearings, seals, and mounting hardware, addressing the highest-wear areas prone to field failure and eliminating costly unplanned repairs.
Key Functional Specifications
- Clamping & Torquing Performance: Anvil assemblies (161100210, R10272) and clamp cylinders (H10337) deliver consistent clamping force up to 120 tons, ensuring secure grip during drill pipe make-up/break-out without slippage.
- Hydraulic System Reliability: High-pressure hoses (AY-series, F721TCO-series) and hydraulic cylinders (H10335, H10336) handle operating pressures up to 5000 psi, with zero leakage tolerance for smooth actuator movement.
- Rotational & Movement Stability: Roller bearings (M10500), needle bearings (M10644), and spinner rollers (156100300) reduce friction loss by 30%, supporting consistent spinning speed and lateral feed movement.
- Sealing & Contamination Control: Oil seal kits (S10087, S10104) and sealing ring kits (Series A 970301) provide a leak-proof barrier, preventing hydraulic fluid loss and drilling mud intrusion into critical components.
- Precision Positioning: Grip position sensors (AY50517) ensure accurate clamping alignment, with ±0.5mm positioning tolerance to protect drill pipe threads from damage.
Structural & Material Features
Every TM-120 spare part is fabricated with industrial-grade materials engineered for harsh drilling environments: anvil and clamp components use high-strength forged steel heat-treated to Rockwell C 55-60 for maximum wear and impact resistance; hydraulic hoses utilize multi-layer synthetic rubber with steel braid reinforcement for burst pressure ratings up to 15,000 psi; bearings use high-carbon chrome steel for extended service life; seals and wipers use nitrile rubber (NBR) and polyurethane for chemical and abrasion resistance; fasteners use Grade 8 high-tensile steel to withstand heavy vibration and torque loads. All parts feature standardized mounting profiles and hydraulic connections for quick field installation, cutting repair labor time by up to 40%.
Applicable Operating Conditions
These TM-120 spare parts are validated for the most demanding drilling scenarios, including:
- Onshore land drilling rigs (shallow, deep, and directional drilling operations)
- Offshore drilling platforms, jack-up rigs, and semi-submersible rigs
- High-torque drill pipe/casing make-up and break-out operations
- Harsh environments with dust, mud, moisture, and extreme vibration
- Temperature range: -40°F to 194°F (-40°C to 90°C) for continuous operation
Maintenance & Preventive Care Recommendations
- Hydraulic System Inspection: Check high-pressure hoses and hydraulic cylinders every 200 operating hours; replace cracked, bulged, or leaking hoses immediately, and overhaul cylinders if seal wear or fluid bypass is detected.
- Bearing & Roller Lubrication: Lubricate roller bearings, needle bearings, and spinner rollers with API-certified extreme-pressure grease every 150 operating hours; replace bearings if pitting, excessive play, or noise is observed.
- Anvil & Clamp Assessment: Inspect anvils and clamp components for wear, cracking, or deformation monthly; replace worn anvils to maintain clamping force and prevent drill pipe damage.
- Seal & Wiper Replacement: Replace all hydraulic seals and wipers during routine overhauls (every 500 operating hours) to prevent contamination and fluid leakage.
- Fastener Torque Checks: Verify torque on all hitch pins, bolts, and nuts quarterly, as rig vibration can loosen fasteners; use OEM-specified torque values to maintain structural integrity.
- Spare Parts Stocking: Stock critical wear parts (hoses, seals, bearings, anvils) on-site to minimize downtime during emergency repairs.
We supply the following spare parts:
| No | Description | P/N | Units |
| 1 | Hitch pin | 161100120 | pcs |
| 2 | Nuts to hitch pin | 141100394 | pcs |
| 3 | Middle mini anvil R10272 | R10272 | pcs |
| 4 | Anvil, ТМ80/ТМ120 161100210 | 161100210 | pcs |
| 5 | Anvil clamp 161100128 | 161100128 | pcs |
| 6 | Anvil clamp bolt 161100129 | 161100129 | pcs |
| 7 | Die locking bolt 161100130 | 161100130 | pcs |
| 8 | Fixing tention bar | 141100393 | pcs |
| 9 | Nuts to hitch pin | 141100394 | pcs |
| 10 | Liner | М10907 | pcs |
| 11 | High presshure hose | AY50286-50 | pcs |
| 12 | High presshure hose | AY50286-51 | pcs |
| 13 | High presshure hose | AY50275-1 | pcs |
| 14 | High presshure hose | AY50275-6 | pcs |
| 15 | High presshure hose | AY50275-7 | pcs |
| 16 | High presshure hose | AY50275-9 | pcs |
| 17 | High presshure hose | AY50275-10 | pcs |
| 18 | High presshure hose | AY50277-23 | pcs |
| 19 | High presshure hose | AY50280-32 | pcs |
| 20 | High presshure hose | AY50280-36 | pcs |
| 21 | High presshure hose | AY50279-29 | pcs |
| 22 | High presshure hose | AY50279-30 | pcs |
| 23 | High presshure hose | AY50277-19 | pcs |
| 24 | High presshure hose | AY50277-20 | pcs |
| 25 | High presshure hose | AY50277-21 | pcs |
| 26 | High presshure hose | F721TCO606121212-12.5-X-9.25 | pcs |
| 27 | High presshure hose | AY50277-24 | pcs |
| 28 | High presshure hose | F721TCO6371121212-52.75X-49 | pcs |
| 29 | Clamp cylinder H10337 | H10337 | pcs |
| 30 | Angle fitting, 90° H15-070701-12-12 | 90° H15-070701-12-12 | pcs |
| 31 | Liner M10601 | M10601 | pcs |
| 32 | Spinner roller shaft 161100259 | 161100259 | pcs |
| 33 | Hydraulic motor H10421 | M10421 | pcs |
| 34 | Needle bearing M10644 | M10644 | pcs |
| 35 | Roller 156100300 | 156100300 | pcs |
| 36 | Oil seal S10104 | S10104 | pcs |
| 37 | Roll bearing, 70mm х 110mm х 20 mm M10500 | M10500 | pcs |
| 38 | Hydraulic motor shaft liner161100172 | 161100172 | pcs |
| 39 | Hydraulic cylinder H10336 | H10336 | pcs |
| 40 | Lateral feed hydraulic cylinder H10335 | H103335 | pcs |
| 41 | Hummer union, clutch H10464 | Y10464 | pcs |
| 42 | Hummer union, nipple H10465 | H10465 | pcs |
| 43 | Hummer union, clutch H10466 | H10466 | pcs |
| 44 | Hydraulic cylinder H10339 | H10339 | pcs |
| 45 | Hose assembly AY50280 | AY50280 | pcs |
| 46 | Hydrasulic cylinder H10338 | Н19338 | pcs |
| 47 | Grip position sensor | AY50517 | pcs |
| 48 | High grip hose assemblies | AY50283 | pcs |
| 49 | Hose assembly, jaw valve unit ТМ-120 | AY50278 | pcs |
| 50 | Hose assembly, jaw valve unit ТМ-120 | AY50279 | pcs |
| 51 | Hose assembly kit, lower grip | AY50284 | pcs |
| 52 | Guide ring | 161100272 | pcs |
| 53 | Sealing ring kit | Series A 970301 | pcs |
| 54 | Oil seal kit | S10087 | pcs |
| 55 | Mounting plate seal kit | S10124 | pcs |
| 56 | Mounting plate seal kit | S10127 | pcs |
| 57 | Hitch pin | 161100120 | pcs |
| 58 | Nuts to hitch pin | 141100394 | pcs |
| 59 | Central mini-anvil R10272 | R10272 | pcs |
| 60 | Anvil, ТМ80/ТМ120 161100210 | 161100210 | pcs |
| 61 | Anvil fixer 161100128 | 161100128 | pcs |
| 62 | Anvil fixer bolt 161100129 | 161100129 | pcs |
| 63 | Plare fastening bolt 161100130 | 161100130 | pcs |
| 64 | Fixer pull-off | 141100393 | pcs |
| 65 | Pull-off ring nut | 141100394 | pcs |
| 66 | Liner | М10907 | pcs |
| 67 | High pressure hose | AY50286-50 | pcs |
| 68 | High pressure hose | AY50286-51 | pcs |
| 69 | High pressure hose | AY50275-1 | pcs |
| 70 | High pressure hose | AY50275-6 | pcs |
| 71 | High pressure hose | AY50275-7 | pcs |
| 72 | High pressure hose | AY50275-9 | pcs |
| 73 | High pressure hose | AY50275-10 | pcs |
| 74 | High pressure hose | AY50277-23 | pcs |
| 75 | High pressure hose | AY50280-32 | pcs |
| 76 | High pressure hose | AY50280-36 | pcs |
| 77 | High pressure hose | AY50279-29 | pcs |
| 78 | High pressure hose | AY50279-30 | pcs |
| 79 | High pressure hose | AY50277-19 | pcs |
| 80 | High pressure hose | AY50277-20 | pcs |
| 81 | High pressure hose | AY50277-21 | pcs |
| 82 | High pressure hose | F721TCO606121212-12.5-X-9.25 | pcs |
| 83 | High pressure hose | AY50277-24 | pcs |
| 84 | High pressure hose | F721TCO6371121212-52.75X-49 | pcs |
| 85 | Clamp cylinder H10337 | H10337 | pcs |
| 86 | Angle fitting, 90° H15-070701-12-12 | 90° H15-070701-12-12 | pcs |
| 87 | Liner M10601 | M10601 | pcs |
| 88 | Spinner roller shaft 161100259 | 161100259 | pcs |
| 89 | Hydraulic motor H10421 | M10421 | pcs |
| 90 | Needle bearing M10644 | M10644 | pcs |
| 91 | Roll 156100300 | 156100300 | pcs |
| 92 | Wiper S10104 | S10104 | pcs |
| 93 | Roll bearing, 70мм х 110мм х 20 мм M10500 | M10500 | pcs |
| 94 | Liner for hydraulic motor 161100172 | 161100172 | pcs |
| 95 | Hydraulic cylinder H10336 | H10336 | pcs |
| 96 | Lateral feed hydraulic cylinder H10335 | H103335 | pcs |
| 97 | Hummer union, clutch H10464 | Y10464 | pcs |
| 98 | Hummer union, nipple H10465 | H10465 | pcs |
| 99 | Hummer union, clutch H10466 | H10466 | pcs |
| 100 | Hydraulic cylinder H10339 | H10339 | pcs |
| 101 | Hose assembly AY50280 | AY50280 | pcs |
| 102 | Hydraulic cylinder H10338 | Н19338 | pcs |
| 103 | Grip position sensor | AY50517 | pcs |
| 104 | Upper grip hose assembly | AY50283 | pcs |
| 105 | Hose assembly kit, jaw valve unit ТМ-120 | AY50278 | pcs |
| 106 | Hose assembly kit, jaw valve unit ТМ-120 | AY50279 | pcs |
| 107 | Hose assembly kit, lower grip | AY50284 | pcs |
| 108 | Guide ring | 161100272 | pcs |
| 109 | Sealing rings kit | Series A 970301 | pcs |
| 110 | Wiper kit | S10087 | pcs |
| 111 | Mounting plate seal kit | S10124 | pcs |
| 112 | Mounting plate seal kit | S10127 | pcs |
| 113 | Hitch pin | 161100120 | pcs |
| 114 | Washer 141100394 | 141100394 | pcs |
| 115 | Central mini-anvil R10272 | R10272 | pcs |
| 116 | Anvil ТМ-120 161100210 | 161100210 | pcs |
| 117 | Anvil fixer 161100128 | 161100128 | pcs |
| 118 | Anvil fixer bolt 161100129 | 161100129 | pcs |
| 119 | Die fastening bolt 161100130 | 161100130 | pcs |
| 120 | Fixing Pull-off | 141100393 | pcs |
| 121 | Liner | М10907 | pcs |
| 122 | Hose assembly kit, lifting cylinder AY50286 | AY50286 | pcs |
| 123 | Hose assembly kit, manipulator ТМ-120 AY50275 | AY50275 | pcs |
| 124 | Hose assembly kit, jaw valve unit AY50277 | AY50277 | pcs |
| 125 | Hose assembly kit, spinner AY50280 | AY50280 | pcs |
| 126 | Hose assembly kit, jaw valve unit ТМ-120 AY50279 | AY50279 | pcs |
| 127 | Hose assembly kit, jaw valve unit AY50277 | AY50277-19 | pcs |
| 128 | High pressure hose F721TCO606121212-12.5-X-9.25 ТМ-120 | F721TCO606121212-12.5-X-9.25 | pcs |
| 129 | High pressure hose РВД F721TCO6371121212-52.75X-49 ТМ-120 | F721TCO6371121212-52.75X-49 | pcs |
| 130 | Clamp cylinder H10337 | H10337 | pcs |
| 131 | Angle fitting, 90° H15-070701-12-12 | 90° H15-070701-12-12 | pcs |
| 132 | Liner M10601 | M10601 | pcs |
| 133 | Spinner roll shaft 161100259 | 161100259 | pcs |
| 134 | Hydraulic motor H10421 | H10421 | pcs |
| 135 | Needle bearingM10644 | M10644 | pcs |
| 136 | Spinner roll 156100300 | 156100300 | pcs |
| 137 | Wiper S10104 | S10104 | pcs |
| 138 | Roll bearing, 70mm х 110mm х 20 mm M10500 | M10500 | pcs |
| 139 | Hydraulic motor liner 161100172 | 161100172 | pcs |
| 140 | Hydraulic cylinder H10336 | H10336 | pcs |
| 141 | Lateral feed hydraulic cylinder H10335 | H103335 | pcs |
| 142 | Hummer union, clutch H10464 | Y10464 | pcs |
| 143 | Hummer union, nipple H10465 | H10465 | pcs |
| 144 | Hummer union, clutch H10466 | H10466 | pcs |
| 145 | Hydraulic cylinder H10339 | H10339 | pcs |
| 146 | Hydraulic cylinder H10338 | Н19338 | pcs |
| 147 | Grip position controller AY50517 | AY50517 | pcs |
| 148 | Upper grip hose assembly | AY50283 | pcs |
| 149 | Hose assembly kit, jaw valve unit ТМ-120 | AY50278 | pcs |
| 150 | Hose assembly kit, jaw valve unit ТМ-120 | AY50279 | pcs |
| 151 | Hose assembly kit, lower grip | AY50284 | pcs |
| 152 | Guide ring | 161100272 | pcs |
| 153 | Sealing ring kit | Series A 970301 | pcs |
| 154 | Seal kit S10087 | S10087 | pcs |
| 155 | Mounting plate seal kit | S10124 | pcs |
| 156 | Mounting plate seal kit | S10127 | pcs |
Field TM-120 Iron Roughneck Failure Repair Case Studies
Case 1: Hydraulic Hose Leak Causing Clamping Failure
Scenario: A land drilling rig’s TM-120 iron roughneck lost clamping pressure mid-operation, halting drill pipe break-out. Root Cause: Burst AY50275-6 high-pressure hydraulic hose due to abrasion and pressure fatigue. Repair Solution: Replaced the damaged hose with a new AY50275-6 unit, inspected adjacent hoses for wear, and purged the hydraulic line. Outcome: Clamping pressure restored, rig operations resumed, and 8 hours of NPT avoided.
Case 2: Worn Anvil Causing Drill Pipe Slippage
Scenario: The TM-120 failed to grip drill pipe securely during high-torque make-up, leading to thread damage.Root Cause: Excessive wear on anvil components (161100210) and loose anvil clamp bolts (161100129). Repair Solution: Replaced worn anvils, installed new clamp bolts, torqued hardware to OEM specs, and realigned the clamping assembly. Outcome: Secure clamping restored, drill pipe slippage eliminated, and thread damage prevented.
Case 3: Bearing Failure Causing Spinner Malfunction
Scenario: The TM-120’s spinner assembly seized, preventing drill pipe spinning. Root Cause: Seized needle bearing (M10644) and worn spinner roller shaft (161100259) due to lack of lubrication and contamination. Repair Solution: Replaced faulty bearings and shaft, cleaned the spinner assembly, lubricated components, and tested rotation. Outcome: Spinner functionality restored, smooth rotation achieved, and rig returned to full operation.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with other iron roughneck models besides the TM-120? | No, these spare parts are custom-designed specifically for the Toughneck TM-120 Iron Roughneck. Dimensions, load ratings, and hydraulic fitment are unique to the TM-120, and use on other models will cause fit errors and equipment damage. |
| What is the typical service life of these TM-120 replacement parts? | Under normal drilling conditions, hydraulic hoses and seals last 300-500 operating hours; bearings and anvils last 800-1200 operating hours; fasteners and hardware last 1500+ operating hours. Service life shortens in high-abrasion or heavy-load environments. |
| Can I mix these OEM-equivalent parts with generic aftermarket spares? | Mixing parts is strongly discouraged. Generic parts often fail to meet strict OEM tolerances and pressure ratings, leading to premature failure, hydraulic leaks, and costly iron roughneck damage. Use only matched TM-120 spare parts from this list for reliable performance. |