Product Introduction

This curated parts collection covers all critical rotating and sealing components for BRANDT MA-10 and MA-30RG agitators, including precision gear reducer bearings, high-performance oil seals, flexible/rigid couplings, and shaft bushings. All parts are fabricated from high-grade alloy steel and wear-resistant elastomers, tested to withstand 8,000+ hours of continuous operation, and engineered to match the exact dimensional and performance specs of factory OEM parts, with a 99.7% fitment success rate for the target agitator models.
Key Functional Benefits
- Stable Torque Transmission: Precision-machined couplings and flexible inserts maintain consistent power transfer between motor and gear reducer, eliminating slippage and uneven mixing.
- Leak-Free Operation: High-temperature oil seals prevent lubricant leakage and contamination ingress, protecting gear reducer internals from premature wear.
- Heavy-Duty Load Support: Premium bearings handle radial and axial loads up to 25,000 N, reducing vibration and extending agitator shaft service life.
- Quick Repair Compatibility: Direct-fit design cuts field repair time by nearly half, minimizing downtime for drilling and mixing operations.
Structural Design Features
- Precision-ground bearing surfaces for zero-play shaft alignment, reducing friction and heat buildup during continuous operation
- Reinforced elastomer seals resistant to drilling mud, oil, and temperatures ranging from -40°F to 250°F (-40°C to 121°C)
- Rigid steel couplings with precision spline connections for maximum torque transfer, ideal for high-viscosity slurry mixing
- Corrosion-resistant coatings on all metal components to withstand harsh offshore and onshore drilling environments
Applicable Operating Conditions
These replacement parts are validated for extreme industrial and oilfield scenarios, including:
- Onshore/offshore drilling rigs: Drilling mud agitation, high-vibration environments, and exposure to abrasive slurry
- Industrial mixing plants: Continuous slurry processing, chemical exposure, and 24/7 operational cycles
- Mud recycling systems: High-solids content fluids, frequent start-stop cycles, and limited maintenance access
- Oilfield production facilities: Consistent mixing requirements, strict equipment reliability standards, and remote field locations
Maintenance & Service Life Recommendations
- Inspect bearings and oil seals every 3,000 operating hours; replace components if noise, vibration, or lubricant leakage is detected to prevent catastrophic failure.
- Lubricate bearings and gear reducers with high-grade industrial grease every 6 months, or every 2,000 hours in heavy mud exposure conditions.
- Check flexible inserts and couplings for wear, cracking, or deformation during routine maintenance; replace worn inserts to maintain power transfer efficiency.
- Torque all fasteners to OEM specifications (MA-10: 45-50 ft-lbs; MA-30RG: 60-65 ft-lbs) after installation to ensure secure, stable operation.
We supply the following spare parts:
| ITEM | ITEM DESCRIPTION | MFG NAME | PART NO. | UOM |
| 1 | BEARING OUT PUT GEAR REDUCER ( FOR MA-10) | NOV/BRANDT | 9P | E/A |
| 2 | BEARING INPUT GEAR REDUCER( FOR MA-10) | NOV/BRANDT | 9 O | E/A |
| 3 | SEAL, OIL OUTPUT GEAR REDUCER( FOR MA-10) | NOV/BRANDT | 10 AR | E/A |
| 4 | SEAL, OIL INPUT REDUCER( FOR MA-10) | NOV/BRANDT | 10 I | E/A |
| 5 | INSERT, FLEXIBLE-TYPE S ( FOR MA-10) | NOV/BRANDT | 20 AH | E/A |
| 6 | BEARING INPUT BLIND END ( FOR MA-10) | NOV/BRANDT | 9 U | E/A |
| 7 | BEARING OUT PUT BLIND END ( FOR MA-10) | NOV/BRANDT | 9 X | E/A |
| 8 | COUPLING RIGID FEMALE ( FOR MA-10) | NOV/BRANDT | 21 M | E/A |
| 9 | BUSHING SHAFT ( FOR MA-10) | NOV/BRANDT | 3 M | E/A |
| 10 | COUPLING MOTOR – TYPE S ( FOR MA-10) | NOV/BRANDT | 21 KF | E/A |
| 11 | COUPLING REDUCER – TYPE S ( FOR MA-10) | NOV/BRANDT | 21 KG | E/A |
| 12 | REGID COUPLING MALE ( FOR MA-10) | NOV/BRANDT | 21 H | E/A |
| 13 | BUSHING GEAR REDUCER, OUT PUT SHAFT ( FOR MA-10) | NOV/BRANDT | 3 L | E/A |
| 14 | COUPLING MOTOR ( FOR MA-30RG) | NOV/BRANDT | 21 K | E/A |
| 15 | COUPLING REDUCER (FOR MA -30RG) | NOV/BRANDT | 21 LA | E/A |
| 16 | FLEXIBLE INSERT (FOR MA -30RG) | NOV/BRANDT | 20 AK | E/A |
| 17 | RIGID COUPLING ( FOR MA-30 RG) | NOV/BRANDT | 21 P | E/A |
| 18 | BUSHING GEAR REDUCER OUTPUT SHAFT( FOR MA-30RG) | NOV/BRANDT | 3 FN | E/A |
| 19 | COUPLING RIGID FEMALE ( FOR MA-30 RG) | NOV/BRANDT | 21 Q | E/A |
| 20 | BUSHING SHAFT ( FOR MA-30RG) | NOV/BRANDT | 3 U | E/A |
| 21 | SEAL, INPUT SHAFT ( FOR MA-30RG) | NOV/BRANDT | 10 MN | E/A |
| 22 | SEAL, OIL OUTPUT GEAR REDUCER, OUTER( FOR MA-30RG) | NOV/BRANDT | 10 LX | E/A |
| 23 | SEAL, OIL OUTPUT GEAR REDUCER, INNER ( FOR MA-30RG) | NOV/BRANDT | 10 LY | E/A |
| 24 | INSERT, FLEXIBLE-TYPE S ( FOR MA-30RG) | NOV/BRANDT | 20 AK | E/A |
| 25 | INSERT, FLEXIBLE-TYPE S ( FOR MA-30RG) | NOV/BRANDT | 21 AK | E/A |
| 26 | BEARING, OUTPUT GEAR REDUCER ( FOR MA-30RG) | NOV/BRANDT | 9 Z | E/A |
| 27 | BEARING, INPUT GEAR REDUCER ( FOR MA-30RG) | NOV/BRANDT | 9 AB | E/A |
| 28 | SEAL , OIL OUTPUT GEAR REDUCER ( FOR MA-30RG) | NOV/BRANDT | 10 S | E/A |
| 29 | SEAL , OIL INPUT GEAR REDUCER ( FOR MA-30RG) | NOV/BRANDT | 10 R | E/A |
Field Failure Repair Case Studies (Real-World Scenarios)
Case 1: MA-10 Agitator Gear Reducer Bearing Failure (Onshore Drilling Rig)
A land drilling rig experienced excessive vibration and noise from a BRANDT MA-10 agitator, traced to a worn output gear reducer bearing (Part 9P). The damaged bearing caused shaft misalignment and risked gear reducer damage. Replacing the bearing with the OEM-spec 9P component restored smooth operation, eliminated vibration, and prevented a full gear reducer replacement.
Case 2: MA-30RG Agitator Oil Seal Leak (Offshore Drilling Platform)
An offshore rig’s MA-30RG agitator developed a gear reducer oil leak due to a degraded outer output seal (Part 10 LX). The leak risked lubricant loss and mud contamination. Installing a new 10 LX outer seal and 10 LY inner seal stopped the leak, protecting the gear reducer internals and resuming mixing operations within 2 hours.
Case 3: MA-30RG Coupling Wear (Mud Recycling Facility)
A mud recycling plant reported inconsistent mixing from a MA-30RG agitator, caused by a worn flexible insert (Part 20 AK). The worn insert led to power slippage between the motor and reducer. Swapping in a new 20 AK flexible insert restored full torque transfer, fixing the mixing inconsistency and avoiding extended downtime.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with BRANDT MA-10 and MA-30RG agitators? | Yes, these parts are precision-engineered exclusively for BRANDT MA-10 (Serial 70 VX) and MA-30RG (Serial 9062.1) agitators, ensuring perfect fitment and performance matching OEM standards. |
| What is the service life of these replacement parts under normal operating conditions? | Under standard oilfield mixing conditions, bearings and seals last 8,000-10,000 operating hours, while couplings and flexible inserts have a service life of 5,000-7,000 hours before replacement is recommended. |
| Can these parts be installed without specialized tools? | Most components (seals, couplings, inserts) install with standard hand tools; bearing replacement may require basic bearing pullers, and all parts include simple installation guidelines for field technicians. |
Procurement Guidance & Value Proposition
Secure reliable, OEM-grade BRANDT MA-10 and MA-30RG agitator replacement parts to keep your mixing and drilling operations running smoothly, reduce costly unplanned repairs, and maintain compliance with industrial performance standards. Each part is manufactured to strict quality benchmarks, with full traceability and compatibility guarantees for your specific agitator serial numbers.
Whether you need to stock critical spares for routine maintenance or source urgent replacement parts for field repairs, this catalog serves as your complete procurement and technical reference. Cross-reference part numbers, quantities, and specifications to build accurate orders, resolve mechanical issues quickly, and extend the operational life of your BRANDT agitators. Submit your part requirements today to access high-quality, direct-fit components tailored to your MA-10 and MA-30RG equipment needs.