Product Introduction
This curated parts lineup is the official OEM replacement suite for the Ingersoll Rand FA2.5 A pneumatic rig tugger, a workhorse air-powered winch built for rugged drilling, construction, an
Functional Highlights
- Power Transmission Stability: Precision bearings, sprag clutches, and thrust washers maintain consistent torque transfer, eliminating slippage and reducing gearbox wear during high-load pulling operations.
- Sealing & Contamination Protection: OEM-grade oil seals, O-rings, and gaskets create airtight, leak-proof seals, preventing lubricant loss, dust/moisture ingress, and pneumatic system pressure drops.
- Brake & Clutch Reliability: Friction plates, pressure plates, and brake band assemblies deliver instantaneous, secure load holding, complying with industrial safety protocols for suspended loads.
- Control System Precision: Rotary valve, pilot valve, and control valve assemblies ensure responsive, variable-speed operation, enhancing operator control and reducing fatigue.
- Pneumatic System Efficiency: Filters, regulators, and lubricators maintain clean, regulated air supply, extending air motor life and reducing maintenance frequency.
Structural Design Features
All components adhere to Ingersoll Rand’s third-generation engineering specifications, featuring:
- High-Strength Metallurgy: Forged steel bearings, heat-treated friction plates, and cast iron housing components to withstand 125% test load (6,250 lbs) without deformation.
- Precision Tolerance Machining: Tight dimensional tolerances (±0.005 inches) for perfect fitment, eliminating installation delays and alignment errors.
- Modular Assembly Design: Direct drop-in replacement for worn components, reducing repair labor time by up to 40% compared to custom-fabricated parts.
- Wear-Resistant Coatings: Corrosion-resistant finishes on metal components to combat saltwater, moisture, and industrial contaminants in offshore and marine environments.
Applicable Operating Conditions
These replacement parts are validated for the FA2.5 A rig tugger’s full operational envelope:
- Pressure Range: 80–100 psig (5.5–6.9 bar) pneumatic air supply
- Load Capacity: Up to 5,000 lbs (2,273 kg) mid-drum line pull
- Environmental Suitability: Offshore drilling rigs, onshore construction sites, marine vessels, mining operations, and industrial material handling facilities
- Usage Intensity: Continuous cyclic operation, intermittent heavy-duty use, and cold-temperature harsh environments
Maintenance & Reliability Best Practices
To maximize equipment uptime and part lifespan, follow these OEM-recommended protocols:
- Scheduled Inspection: Conduct quarterly visual inspections of seals, bearings, and friction components; replace worn parts before failure to avoid catastrophic breakdowns.
- Lubrication Protocol: Use OEM-specified lubricants for bearings, gearboxes, and clutches, adhering to 500-hour service intervals to prevent premature wear.
- Torque Specifications: Tighten capscrews and fasteners to OEM torque values (60–81 Nm for major assemblies) to maintain structural integrity and prevent loosening during vibration.
- Leak Testing: Perform monthly pneumatic pressure testing to identify faulty O-rings, gaskets, or seals; replace defective components immediately to preserve air system efficiency.
- Record-Keeping: Document part replacements, serial numbers, and service dates to track component lifespan and streamline future procurement.
We supply the following spare parts:
| Equipment: | RIG TUGGERS | SERIAL NO: MW005883 | |
| Model: | FA2.5 A | ||
| Size: | |||
| Manufacturer: | INGERSOLL RAND | ||
| ITEM | ITEM DESCRIPTION | MFG NAME | PART NO. |
| 1 | BEARING | INGERSOLL RAND | 71293633 |
| 2 | OIL SEAL | INGERSOLL RAND | 71293625 |
| 3 | O-RING | INGERSOLL RAND | 51459 |
| 4 | BEARING | INGERSOLL RAND | 71408413 |
| 5 | RETAINING RING | INGERSOLL RAND | 71408421 |
| 6 | OIL SEAL | INGERSOLL RAND | 71408363 |
| 7 | THRUST WASHER | INGERSOLL RAND | 71408397 |
| 8 | OIL SEAL | INGERSOLL RAND | 71293625 |
| 9 | GASKET | INGERSOLL RAND | 71262257 |
| 10 | CRANK BEARING | INGERSOLL RAND | 51066 |
| 11 | OIL SEAL | INGERSOLL RAND | K5B-270 |
| 12 | MOTOR SERVICE KIT | INGERSOLL RAND | 71390181 |
| 13 | MOTOR GASKET KIT | INGERSOLL RAND | 26823 |
| 14 | ROTORY VALVE ASSEMBLY | INGERSOLL RAND | K5B-526EQ-RS |
| 15 | BEARING | INGERSOLL RAND | 50138 |
| 16 | CAP SCREW | INGERSOLL RAND | 51471 |
| 17 | BEARING | INGERSOLL RAND | 50449 |
| 18 | GASKET | INGERSOLL RAND | 71262257 |
| 19 | SPRING | INGERSOLL RAND | 71053730 |
| 20 | PRESSURE PLATE | INGERSOLL RAND | 24137 |
| 21 | SEPARATOR PLATE | INGERSOLL RAND | 22033 |
| 22 | FRICTION PLATE | INGERSOLL RAND | 71126874 |
| 23 | SPACER | INGERSOLL RAND | 19007 |
| 24 | SPRAG CLUTCH | INGERSOLL RAND | 27724 |
| 25 | BREATHER | INGERSOLL RAND | 71271175 |
| 26 | DIAPHRAGM | INGERSOLL RAND | 22031 |
| 27 | RING | INGERSOLL RAND | 22028 |
| 28 | HOSE ASSEMBLY | INGERSOLL RAND | 25403-39 |
| 29 | VALVE, EXHAUST | INGERSOLL RAND | 71372890 |
| 30 | CAPSCREW | INGERSOLL RAND | 71354146 |
| 31 | INNER RACE | INGERSOLL RAND | 20438 |
| 32 | OUTER RACE | INGERSOLL RAND | 22032 |
| 33 | BRAKE BAND ASSEMBLY | INGERSOLL RAND | 382-29304 |
| 34 | CONTROL VALVE ASSEMBLY | INGERSOLL RAND | K5C2-X |
| 35 | CAPSCREW | INGERSOLL RAND | 71342034 |
| 36 | O-RING | INGERSOLL RAND | 71357198 |
| 37 | O-RING | INGERSOLL RAND | 51651 |
| 38 | GASKET, POPPET | INGERSOLL RAND | 27064 |
| 39 | SPRING, POPPET | INGERSOLL RAND | 713510698 |
| 40 | SEAL , POPPET | INGERSOLL RAND | 26991 |
| 41 | BALL | INGERSOLL RAND | D10-280 |
| 42 | PILOT VALVE ASSEMBLY | INGERSOLL RAND | 28696 |
| 43 | GASKET COVER | INGERSOLL RAND | 26999 |
| 44 | CAPSCREW | INGERSOLL RAND | 71342034 |
| 45 | O-RING | INGERSOLL RAND | 52537 |
| 46 | O-RING | INGERSOLL RAND | 71355796 |
| 47 | CAPSCREW | INGERSOLL RAND | 71369276 |
| 48 | GASKET | INGERSOLL RAND | 27115 |
| 49 | O-RING | INGERSOLL RAND | 71357198 |
| 50 | O-RING | INGERSOLL RAND | 51651 |
| 51 | CAPSCREW | INGERSOLL RAND | 71348338 |
| 52 | BUTTONHEAD SCREW | INGERSOLL RAND | 71394407 |
| 53 | SPRING | INGERSOLL RAND | 26966 |
| 54 | CAPSCREW | INGERSOLL RAND | 71342034 |
| 55 | BREATHER | INGERSOLL RAND | 51559 |
| 56 | CONTROL VALVE ASSEMBLY | INGERSOLL RAND | K5C2-EX |
| 57 | GUIDE RING | INGERSOLL RAND | 27316 |
| 58 | SHAFT SUPPORT | INGERSOLL RAND | 27314 |
| 59 | SHOE | INGERSOLL RAND | 27318 |
| 60 | CAPSCREW | INGERSOLL RAND | 54610 |
| 61 | CAPSCREW | INGERSOLL RAND | 71138275 |
| 62 | LUBRICATOR ( 1-1/2” FNPT) | INGERSOLL RAND | L40-0B-G00 |
| 63 | REGULATOR ( 1-1/2” FNPT) | INGERSOLL RAND | R40-0B-G00 |
| 64 | FILTER ( 1-1/2” FNPT) | INGERSOLL RAND | F35-0B-C28 |
Field Failure Repair Case Studies
Real-world scenarios demonstrating how OEM FA2.5 A parts resolve common operational issues:
Case 1: Air Motor Pressure Leak & Power Loss
Issue: FA2.5 A rig tugger experienced a 30% drop in pulling power and audible air leaks near the motor assembly, halting drilling operations. Root Cause: Worn motor gaskets (Part No. 26823) and degraded O-rings (Part No. 51459) causing pressure bleed. Solution: Replaced faulty gaskets and O-rings with OEM components; restored full 90 psig operating pressure and 5,000 lbs pull capacity within 2 hours. Outcome: Zero unplanned downtime, resumed drilling schedule, and eliminated repeat leaks for 6+ months.
Case 2: Brake Slippage & Load Holding Failure
Issue: Winch failed to hold suspended loads, posing a critical safety hazard during material lifting. Root Cause: Worn friction plates (Part No. 71126874) and weakened brake springs (Part No. 71053730) reducing clamping force. Solution: Installed OEM friction plates, springs, and pressure plates; recalibrated brake assembly to factory specs. Outcome: Restored full brake holding power, complied with safety regulations, and avoided worksite incidents.
Case 3: Gearbox Noise & Bearing Failure
Issue: Excessive grinding noise from the winch gearbox, with intermittent jamming during operation. Root Cause: Premature bearing wear (Part No. 71293633) and damaged thrust washers (Part No. 71408397) due to lack of lubrication and contamination. Solution: Replaced worn bearings, thrust washers, and oil seals; flushed gearbox and refilled with OEM lubricant. Outcome: Eliminated abnormal noise, restored smooth gear operation, and extended gearbox lifespan by 2+ years.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with FA2.5 A rig tuggers (SN MW005883)? | Yes, every part is precision-engineered exclusively for the Ingersoll Rand FA2.5 A model with serial number MW005883, ensuring perfect fit and factory performance; not recommended for other winch models. |
| How do I verify OEM authenticity of these replacement parts? | All components feature engraved OEM part numbers, match the exact dimensional specs listed in the FA2.5 A service manual (Form MHD56114), and meet Ingersoll Rand’s material and performance standards. |
| What is the recommended replacement interval for wearable parts? | Seals, O-rings, and gaskets: Replace every 1,000 operating hours; bearings and friction components: Replace every 2,000–3,000 hours or at first signs of wear/slippage to prevent unexpected failures. |
Procurement Guidance & Value Call to Action
Protect your Ingersoll Rand FA2.5 A rig tugger’s performance, safety compliance, and operational uptime by sourcing 100% OEM-grade replacement parts from this standardized catalog. Avoid the risks of aftermarket substitutes—including compatibility errors, premature failure, safety violations, and costly downtime—by referencing the exact part numbers, quantities, and specifications listed for every critical component.
This parts list serves as your single source of truth for both routine maintenance and emergency repairs, streamlining procurement workflows, reducing sourcing errors, and ensuring consistent equipment reliability. Whether planning scheduled overhauls, stocking critical spares, or resolving unexpected breakdowns, these OEM parts deliver unmatched durability, precision fit, and long-term value for your FA2.5 A rig tugger investment.
Leverage this document to build a comprehensive spare parts inventory, standardize maintenance procedures, and keep your rig tugger operating at peak performance for years to come. For bulk orders, custom kit assemblies, or technical fitment support, reference the full part number lineup to secure the exact components your equipment requires.
