1. Product Introduction
Our SOUTHWEST A-1400 mud pump parts lineup covers all critical components needed to maintain, repair, or overhaul the pump, organized by function for easy procurement—perfect for quickly finding the exact part for any task. All parts are fully compatible with the SOUTHWEST A-1400 model, with precise dimensional consistency to eliminate mismatches. Key categories include: 1) Liners & Liner Gaskets , available in sizes from 4 1/2″ to 7 1/2″ to match different drilling needs; 2) Pistons & Piston Rubbers, including urethane-bonded, rubber-bonded, and endurance-bonded options for varying wear conditions; 3) Valves, Seats & Springs, covering 4-web, 3-web, and full-open designs for smooth fluid flow; 4) Gaskets & Seals, leak-proof solutions for valve covers, wear plates, and extension rods; 5) Piston Rods & Extension Rods (TM-283D, TMA14-01-06), including threaded and clamp-type options;
2. Functional Specifications
Every SOUTHWEST A-1400 pump part is engineered to meet the pump’s high-pressure operational demands, matching or exceeding OEM standards and API 7K criteria. Key details: Linersmaintain 97.5%+ volumetric efficiency, ensuring stable mud delivery even under maximum operating pressure. Pistons and piston rubbers offer exceptional wear resistance, with urethane-bonded optionslasting 23% longer than rubber-bonded alternatives. Valvesfeature precise opening and closing mechanisms, reducing flow resistance by 11% and preventing pressure buildup. Fasteners and studs provide secure torque retention, with TS-8488-25 Suction Module Studs delivering 4,200 ft-lbs to prevent misalignment. All parts undergo 3800 PSI pressure testing for 30 minutes and non-destructive testingto ensure durability. Seals and gaskets use high-performance FKM materials, withstanding temperatures from -5°F to 285°F and resisting degradation from abrasive drilling mud
3. Applicable Operating Conditions
Our SOUTHWEST A-1400 pump parts perform reliably in all environments where the SOUTHWEST A-1400 is used, including onshore oil and gas drilling, well workover, geological exploration, and industrial drilling. They withstand operating pressures up to 3800 PSI (26.2MPa) and ambient temperatures from -5°F to 102°F, making them suitable for cold-weather, desert, and industrial workshop environments. Resistant to high-sand drilling mud (up to 3.3% sand content), saltwater, H2S gas, and drilling chemicals, they prevent corrosion and premature failure—addressing common mud pump issues like rapid wear caused by harsh environments. Ideal for Class I, Division 2 hazardous areas, they integrate seamlessly with routine maintenance protocols. We recommend inspecting parts every 95 operating hours (industry best practice for the SOUTHWEST A-1400) to prevent unplanned failures. Suitable for well depths from 800 to 8,500 feet, they ensure consistent performance and simplify inventory management for rig fleets, alongside parts for other popular models like the A-1700.
4. Maintenance & Service Recommendations
To maximize part service life and minimize downtime for SOUTHWEST A-1400 mud pumps, follow these practical guidelines tailored to the pump’s design—aligned with industry best practices for drilling pump maintenance: 1) Before maintenance, implement LOTO (Lockout/Tagout) procedures—cut off power, hang a “Under Maintenance, Do Not Switch On” sign, release residual pressure, and confirm all moving parts have stopped. 2) Inspect liners and piston rubbers every 95 operating hours—wear on these components causes 58% of SOUTHWEST A-1400 pump issues; replace worn parts immediately to avoid pressure loss. 3) Torque fasteners (e.g., TS-8488-25 studs) every 75 operating hours to prevent misalignment and leakage; apply lubricating grease to threads during installation to ensure secure fitting. 4) Clean valves and seats (TS-7-EEF, TS-7-DDB1) every 85 operating hours—mud buildup reduces efficiency by 14% and causes valve malfunctions, a common mud pump problem. 5) Replace FKM seals every 380 operating hours (sooner if leaking) to avoid fluid loss; at minimum, replace seals every three months as a preventive measure. 6) Store spares in a clean, dry environment (40°F–80°F, ≤60% humidity) to prevent corrosion; keep all inspection windows covered to avoid dust contamination. 7) Use only OEM-equivalent parts—generic parts increase repair costs by 62% on average and may not meet API 7K standards. Following these steps extends component life by 58% and reduces maintenance costs by 28%.
We supply the following spare parts:
| LINERS | LINERGASKETS | PISTONS | PISTONRUBBERS | ||||||
| SIZE | PARTNUMBER | PARTNUMBER | URETHANEBONDED | RUBBERBONDED | ENDURANCEBONDED | REPLACEABLERUBBER | PARTNUMBER | ||
| 4 1/2″ | TS-0284-44HP | G-754 * | LLU-44-B15 | LL-44-B15 | HPW-44-B15 | I-44-日 15 | TM-44-BR | ||
| 5″ | TS-0284-50HP | G-742 * | LLU-50-B15 | LL-50-B15 | HPW-50-日 15 | I-50-B15 | TM-50-BR | ||
| 5 1/2″ | TS-0 284-54 HP | G-743 * | LLU-54-B15 | U_-54-日15 | HPW-54-B15 | I-54-B15 | TM-54-BR | ||
| 5 3/4″ | TS-0284-56HP | G-744 * | LLU-56-B15 | LL-56-B15 | HPW-56-日 15 | I-56-B15 | TM-56-BR | ||
| 6M | TS-0284-60HP | G-745 * | LLU-60-B15 | LL-60-B15 | HPW-60-日 15 | I-60-B15 | TM-60-BR | ||
| 6 1/4″ | TS-0284-62HP | – | LLU-62-L15 | LL-62-L15 | HPW-62-L15 | I-62-L15 | TM-62-LR | ||
| 6 1/2″ | TS-0284-64HP | G-746 * | LLU-64-L15 | LL-64-L15 | HPW-64-L15 | I-64-L15 | TM-64-LR | ||
| 6 3/4″ | TS-0284-66HP | G-755 * | LLU-66-L15 | LL-66-L15 | HPW-66-L15 | I-66-L15 | TM-66-LR | ||
| 7″ | TS-0284-70HP | G-756 * | LLU-70-L15 | LL-70-L15 | HPW-70-L15 | I-70-L15 | TM-70-LR | ||
| 7 1/4″ | TS-0284-72Cr | G-757 * | LLU-72-L15 | LL-72-L15 | HPW-72-L15 | I-72-L15 | TM-72-LR | ||
| 7 1/2″ | TS-0284-74Cr | G-758 * | LLU-74-L15 | LL-74-L15 | HPW-74-L15 | I-74-L15 | TM-74-LR | ||
| VALVES | SEATS, SPRINGS | GASKETS | |||||||
| 4 WEB DESIGN | 3 WEB DESIGN | FULL OPEN (1) | FULL OPEN (2) | PART NUMBER | |||||
| VALVE | TS-7-EEF | TS-202482 | TS-0985M | TS-7-V1 | VALVE COVER GASKET | G-760* | |||
| SEAT | TS-7-DDB1 | TS-202039 | TS-1370M | TS-7-S1 | CYLINDER HEAD GASKET | – | |||
| SPRING | TS-5710-115 | – | – | TS-5710-115L | WEAR PLATE GASKET | G-742* | |||
| INSERT(Urethane) | TS-7-W1 | TS-201106 | TS-7-MI | TS-7-FI | EXTENSION ROD SEAL | TS-20-100-015 | |||
| INSERT(Rubber) | TS-7-WR | TS-201107 | – | – | EXTENSION ROD BAFFLE | TS-204-0668 | |||
| PISTON ROD & EXTENSION ROD | |||||||||
| ROD CLAMP | PISTONRODSTUD | PISTONNUT | THREADED TYPE PISTON ROD | CLAMP TYPE PISTON ROD | SUB ROD | THREADED TYPE EXTENSION ROD | CLAMP TYPE EXTENSION ROD | ||
| TMA14-03-08 | TM-283D | TM-NUT | N/A | TM-283-C | TM-283-A | N/A | TMA14-01-06 | ||
| FLUID END MODULE | |||||||||
| SUCTION MODULE STUDDEDED | DISCHARGE MODULE STUDDED | MODULE SEAL SET | STUDS & NUTS SET | ||||||
| TS-8488-25 | TS-8488-10 | TMA14SW-SEALKIT | TMA14SW-STUDSET | ||||||
5. On-Site Failure Repair Cases
Case 1: Worn TS-0284-50HP Liner Causing Pressure Drop
An onshore rig’s SOUTHWEST A-1400 pump experienced a 14% pressure drop and 11% reduced efficiency due to a worn TS-0284-50HP Liner. Generic liners failed after 95 hours due to abrasive high-sand mud (3.1% sand content). Replacing it with our OEM-equivalent TS-0284-50HP Liner restored stable pressure, improved efficiency, and extended service life to 580 hours. The repair took 18 minutes, avoiding 1.8 hours of downtime and $4,320 in lost productivity.
Case 2: Leaking G-760 Valve Cover Gasket
A well workover operation’s SOUTHWEST A-1400 pump had severe mud leakage from the valve cover due to a failed G-760 Valve Cover Gasket. Generic gaskets degraded after 75 hours due to temperature fluctuations. Our OEM-equivalent G-760 gasket stopped the leak, improved safety, and lasted 530 hours. The repair took 14 minutes, avoiding 1.3 hours of downtime and $3,380 in cleanup costs.
Case 3: Faulty TS-7-EEF Valve Causing Flow Interruptions
An industrial drilling site’s SOUTHWEST A-1400 pump had frequent flow interruptions due to a faulty TS-7-EEF Valve, a common issue caused by debris buildup and component wear. Generic valves failed after 115 hours. Replacing it with our OEM-equivalent TS-7-EEF Valve restored smooth flow, eliminated interruptions, and extended service intervals by 330 hours. The pump was back online in 42 minutes, avoiding $5,880 in downtime costs.
6. Frequently Asked Questions (FAQ)
| Question | Answer |
| Will these parts fit my SOUTHWEST A-1400 (7-1/2×12) mud pump? | Yes, all parts (including TS-0284 series liners, TS-7-EEF valves, and G-760 gaskets) are fully compatible with the SOUTHWEST A-1400 (7-1/2×12) model. They are OEM-equivalent, requiring no custom modifications—just verify the part number before installation. |
| Do these parts meet API 7K standards for global drilling projects? | Absolutely. All parts are certified to API 7K (2022 edition) and ISO 9001:2015, undergoing 3800 PSI pressure testing and NDT. API certification is a mandatory requirement for major global drilling projects, ensuring our parts meet international safety and performance standards alongside parts for other popular models like the A-1700. |
| How much longer do these parts last compared to generic SOUTHWEST A-1400 parts? | Our OEM-equivalent parts last 58% longer on average. For example, TS-0284-50HP Liners last 580+ hours (vs. 95–145 for generic), TS-7-EEF Valves last 820+ hours (vs. 115 for generic), and G-760 Gaskets last 530+ hours (vs. 75 for generic), reducing maintenance frequency and costs. |
7. Procurement Guidance
This document serves as a formal procurement and technical reference to help you source certified, OEM-equivalent parts for SOUTHWEST A-1400 (7-1/2×12) mud pumps. Every component—from TS-0284 series liners and TS-7-EEF valves to TS-8488 fluid end modules and G-760 gaskets—is vetted for dimensional accuracy, material quality, and performance under the pump’s 3800 PSI operating pressure. All parts comply with API 7K standards, eliminating the risk of low-quality, incompatible parts that cause pump failure, mud leakage, and costly downtime. This guide provides clear part numbers and technical details to simplify procurement, while also offering solutions to common SOUTHWEST A-1400 issues—serving as both a buying reference and a troubleshooting tool, aligned with industry maintenance best practices.
