Introduction
The TSC OILWELL A-1700-PT mud pump is a heavy-duty triplex single-acting drilling pump, renowned for its exceptional high-pressure performance and reliability in the most demanding oil, gas, and mining drilling operations. With a liner size specification of 7-1/2×12, rated power of 1700 hp, maximum operating pressure of up to 7500 psi, and a stroke length optimized for efficient fluid circulation, this pump is engineered to handle the rigorous demands of deep well drilling and high-pressure applications. Fully compliant with API 7K standards—the industry’s most stringent certification for drilling equipment safety and performance—this pump plays a critical role in circulating high-viscosity, abrasive drilling fluid to cool drill bits, remove cuttings, maintain wellbore integrity, and balance formation pressure.
Structural Features
- 100% Interchangeability: All components are fully interchangeable with OEM parts, including exact TSC part numbers, reducing inventory costs and simplifying replacement. The pump’s standardized design ensures our parts work seamlessly with existing systems, whether you’re replacing a single component or a full fluid end module.
- Abrasion & Corrosion Resistance: Critical components undergo advanced surface treatment (nitriding and chrome plating) to resist wear from solid particles in drilling fluid and corrosion from saltwater (for offshore use) or chemical additives. Our liners have a hardness rating of 62-67 HRC, ensuring resistance to abrasive wear in high-solids environments, while valve seats feature precision machining for a tight fit and extended service life.
Applicable Working Conditions
Our TSC OILWELL A-1700-PT mud pump parts are built to perform reliably in the most demanding drilling environments, compatible with the pump’s design for high-pressure, deep-well operations. Key applicable working conditions include:
- Offshore Oil & Gas Drilling: Suitable for deep offshore wells, where high pressure (up to 7500 psi) and saltwater exposure are common. Our corrosion-resistant parts protect against marine environments, while vibration-resistant designs withstand rig movement and harsh weather conditions.
- Onshore Deep Well Drilling: Ideal for onshore oil and gas wells requiring high-pressure fluid circulation, including horizontal and directional drilling in desert, mountainous, and remote areas. Capable of handling high-temperature conditions (up to 160°C) and abrasive drilling fluid.
- Mining Exploration: Capable of handling high-solids, abrasive drilling fluid used in large-scale mineral and coal exploration, with wear-resistant components that reduce replacement frequency by 20%. Suitable for deep mining operations where pump reliability is critical.
Maintenance & Care Recommendations
Proper maintenance of TSC OILWELL A-1700-PT mud pump parts is essential to extend service life, avoid costly downtime, and ensure optimal pump performance. Below are practical, easy-to-follow guidelines tailored to the A-1700-PT’s high-pressure design:
- Daily Inspections: Check for fluid leaks around gaskets (G-760*, G-742*), valves, and piston rods. Inspect piston rubbers for cracks or deformation, and clean debris from valve seats to prevent blockages. Monitor pump vibration and noise—unusual sounds may indicate loose or worn parts (e.g., valve springs or rod clamps). Also, check the spray lubrication system for proper operation to ensure moving parts are adequately lubricated.
- Weekly Maintenance: Clean liners and valves to remove sediment buildup, which can cause abrasion and reduce efficiency. Check the tightness of piston nuts (TM-NUT) and rod clamps (T_7-03-08), and lubricate moving parts with high-quality, high-pressure lubricating oil (as recommended by OEM) every 500 operating hours. Inspect the TMA17-SEALKIT seal set for signs of wear or leakage.
- Monthly Checks: Inspect extension rod seals (TS-20-100-015) and baffles (TS-204-0668) for wear, and replace if leaks are detected. Test valve springs (TS-5710-115, TS-5710-115L) for fatigue, and replace if they fail to maintain proper tension. Check the TS-10300181 fluid end module for cracks or corrosion, and retighten the TMA17-STUDSET studs & nuts set to ensure a secure fit. Also, check the pump’s safety valve for proper operation to prevent overpressure.
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-B15 | TM-44-巳 R | |
| 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-0284-54HP | G-743 | LLU-54-B15 | LL-54-B15 | 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-B15 | 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-L1 5 | LL-64-L15 | HPW-64-L15 | I-64-L15 | TM-64-LR | |
| 6 3/4″ | TS-0284-66HP | G-755 | LLU-66-L1 5 | U_-66-L15 | HPW-66-L15 | I-66-L15 | TM-66-LR | |
| 7″ | TS-0284-70HP | G-756 | LLU-70-L1 5 | U_-70-L15 | HPW-70-L15 | I-70-L15 | TM-70-LR | |
| 7 1/4″ | TS-0284-72Cr | G-757 | LLU-72-L1 5 | U_-72-L15 | HPW-72-L15 | I-72-L15 | TM-72-LR | |
| 7 1/2″ | TS-0284-74Cr | G-758 | LLU-74-L1 5 | 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-WI | 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 | |
| T_ 7-03-08 | TM-283D | TM-NUT | N/A | TM-283-C | TM-283-A | N/A | TMA17-01-06 | |
| FLUID END MODULE | ||||||||
| FLUID END MODULE STUDDED | MODULE SEAL SET | STUDS & NUTS SET | ||||||
| TS-10300181 | TMA17-SEALKIT | TMA17-STUDSET | ||||||
On-Site Fault Repair Cases
Below are three real-world cases of TSC OILWELL A-1700-PT mud pump failures, resolved using our OEM-compatible parts—demonstrating how our products solve common operational issues and minimize downtime:
Case 1: High-Pressure Leakage from Valve Cover
Scenario: An offshore drilling team reported severe fluid leakage from the valve cover, reducing operating pressure by 30% and forcing a rig shutdown. Downtime was costing the team $1,500 per hour.
Diagnosis: Worn G-760* valve cover gaskets (marked for A-1700-PT compatibility) were failing to seal under high pressure (6,000 psi), causing leakage.
Solution: Replaced the worn G-760* gaskets with our OEM-compatible parts. After installation, leakage was eliminated, and the pump regained full pressure capacity, reducing downtime by 100% and saving the team over $12,000 in lost productivity.
Case 2: Piston Failure & Reduced Fluid Displacement
Scenario: An onshore deep well drilling team experienced reduced drilling fluid flow and increased pump noise. Inspection revealed worn urethane-bonded pistons (LLU-60-B15) and damaged piston rubbers (TM-60-BR).
Diagnosis: Abrasive drilling fluid had worn the piston surfaces, causing internal leakage and reducing displacement from 800 gpm to 620 gpm.
Solution: Installed our LLU-60-B15 urethane-bonded pistons and TM-60-BR piston rubbers. The pump’s flow rate returned to rated levels, and noise was reduced by 28%, ensuring reliable operation for deep well drilling.
Case 3: Fluid End Module Leakage & Component Damage
Scenario: A mining exploration team faced severe leakage from the fluid end module, leading to damage to adjacent components and a complete pump shutdown.
Diagnosis: The TMA17-SEALKIT seal set was worn, and the TMA17-STUDSET studs & nuts set had loosened due to vibration, causing the TS-10300181 fluid end module to leak.
Solution: Replaced the TMA17-SEALKIT seal set and retightened the TMA17-STUDSET studs & nuts set with our OEM-compatible parts. The leakage was stopped, and the fluid end module regained structural integrity, allowing the pump to resume operation within 3 hours.
FAQ (Frequently Asked Questions)
| Question | Answer |
| Are your parts fully compatible with the TSC OILWELL A-1700-PT mud pump? | Yes, all our parts are engineered to match OEM specifications, with exact TSC part numbers (e.g., TS-0284-44HP, G-754, TS-7-EEF) that align with the original TSC OILWELL A-1700-PT parts list. They are 100% interchangeable with the pump’s original components, compatible with its 7-1/2×12 liner size and high-pressure design, and require no modifications during installation. |
| How long do your replacement parts last compared to generic alternatives? | Our parts are made from high-quality, API 7K-compliant materials and undergo strict quality testing (including pressure, wear, and corrosion resistance tests). On average, they last 20-25% longer than generic parts. For example, our bi-metal liners and urethane-bonded pistons can withstand 600+ hours of continuous operation in high-pressure drilling conditions, compared to 450-500 hours for generic options. |
| Do you provide technical support for part installation and troubleshooting? | Yes, we offer comprehensive technical support to help you install our parts and resolve common A-1700-PT pump issues. Our team of experienced drilling equipment technicians can provide step-by-step installation guidance, maintenance tips, and fault diagnosis advice—helping you minimize downtime and maximize the performance of your high-pressure mud pump. |
Conclusion
The TSC OILWELL A-1700-PT mud pump is a critical piece of equipment for high-pressure, deep-well drilling operations, and its performance depends entirely on the quality of its components. Our OEM-compatible replacement parts address the key pain points of drilling teams—downtime, inefficiency, and high maintenance costs—by delivering durability, reliability, and seamless compatibility. All parts meet API 7K standards, undergo rigorous quality testing, and are backed by our commitment to quality and customer satisfaction. We supply every component listed in the TSC OILWELL A-1700-PT parts list, ensuring you have access to the exact parts you need to keep your pump running smoothly, even in the most demanding conditions.
