Product Description
This comprehensive A1400PT mud pump parts kit includes every critical wear component, fastener, sealing element, and mechanical assembly required for full overhauls, routine maintenance, and emergency field repairs. All parts are manufactured to ISO 9001 quality standards, with dimensional tolerances held to ±0.001 inches for precision fitment, and undergo non-destructive testing (NDT) including magnetic particle inspection and pressure testing to ensure structural integrity. Unlike generic aftermarket parts, these components are reverse-engineered directly from original A1400PT pump blueprints, guaranteeing seamless installation without modification or rework.
Functional Capabilities
- Power Transmission: Flex couplings, crankshaft gears, and pinion assemblies deliver efficient torque transfer (up to 1,200 HP) with minimal vibration and noise reduction
- Fluid Handling & Sealing: Diaphragm gaskets, O-ring seals, and hose assemblies maintain zero-leak mud and oil circulation, preventing contamination and pressure loss
- Mechanical Support: Crosshead bearings, connecting rod assemblies, and lock nuts absorb radial and axial loads, reducing friction and extending rotating component life
- Lubrication & Filtration: Oil filters, heat exchangers, and gear pumps regulate lubricant flow and temperature, protecting internal components from abrasive wear and thermal fatigue
- Fastening & Structural Integrity: Heat-treated capscrews, cotter pins, and lock washers provide consistent clamping force, resisting loosening under high-frequency vibration
Structural Design Features
- Forged steel crankshafts and crossheads for maximum tensile strength (120,000 PSI yield strength)
- Precision-ground bearing surfaces with PTFE coating for low-friction operation and extended wear life
- Corrosion-resistant plating on fasteners and external components to combat oilfield moisture and chemical exposure
- Modular assembly design for simplified field installation and reduced repair labor time
- Standardized ANSI/API threading and sizing for universal compatibility with A1400PT pump housings
Applicable Operating Conditions
These A1400PT mud pump parts are rated for API 7K standard drilling operations and perform reliably in the harshest oilfield environments: onshore land rigs, offshore platform drilling, directional drilling projects, and high-pressure well servicing. Suitable for drilling fluids including water-based mud, oil-based mud, and synthetic drilling fluids, with operating temperature ranges from -4°F to 300°F and maximum operating pressure of 7,500 PSI. Ideal for continuous duty cycles (24/7 operation) and intermittent high-load drilling scenarios.
Maintenance & Service Recommendations
- Routine Inspection: Conduct visual inspections of bearings, gaskets, and fasteners every 500 operating hours to identify early wear signs
- Lubrication Protocol: Replace oil filters and flush lubrication systems every 1,000 hours; use only API-certified mud pump lubricants to maintain warranty compliance
- Wear Component Replacement: Replace diaphragms, gaskets, and bearing retainers every 2,000 hours to prevent catastrophic failure
- Torque Verification: Re-torque all capscrews and nuts per OEM specifications after initial installation and every 1,500 hours to maintain clamping integrity
- Storage Guidelines: Store unused parts in a dry, climate-controlled area to prevent corrosion; protect precision components from dust and physical damage
We supply the following spare parts:
| Item | Description | MFG Part # |
| S/P FOR MUD PUMP OIL WELL TYPE A1400PT | ||
| 1 | Flex coupling L100 | 68-104-997 |
| 2 | 3/16 x 2-1/2 COTTER PIN | 75-104-013 |
| 3 | 7/8″-9NC x2″ DRILLED HD. CAPSCREW | 45-142-603 |
| 4 | 1/2-13 HEX NUT | 75-510-406 |
| 5 | 1/2″ STD ELL | 86-336-104 |
| 6 | 1/2-13*1-1/4 CAPSCREW | 75-634-351 |
| 7 | 1/2-13*2 CAPSCREW | 75-634-353 |
| 8 | 1/2 LOCK WASHER | 75-770-474 |
| 9 | 3/8 -16 *1-1/4 CAPSCREW | 75-634-340 |
| 10 | CENTRIFUGAL PUMP -MISSION 1″*1-1/2″ *8 -1/2″ | 95-999-050 |
| 11 | COUPLING | 68-103-964 |
| 12 | OIL FILTER | 64-212-832 |
| 13 | CRANKSHAFT | 10-301-013 |
| 14 | DIAPHRAGM GASKET | 10-300-062 |
| 15 | DIAPHRAGM COVER | 10-300-021 |
| 16 | CROSSHEAD | 10-300-132 |
| 17 | CROSSHEAD PIN BEARING | 65-725-957 |
| 18 | CONNECTING ROD WITH CAP | 10-300-071 |
| 19 | 3/16 x 2 COTTER PIN | 75-104-007 |
| 20 | AIR FREATHER | 64-229-100 |
| 21 | CONNECTING ROD OIL TROUGH | 10-300-123 |
| 22 | 1/2-13*3/4 CAPSCREW | 45-143-001 |
| 23 | 2″ DRAIN COCK | 83-802-512 |
| 24 | PINION WITH INTEGRAL SHAFT (24 -T) | 10-301-004 |
| 25 | PINION BEARING SHIM SET | 45-803-732 |
| 26 | 3/4-10*2-1/4 CAPSCREW | 75-634-383 |
| 27 | PINION SHAFT KEY1-3/4*2-1/2*13-1/2 | 10-300-088 |
| 28 | ECCENTRINC BEARING | 65-725-936 |
| 29 | CRANKSHAFT GEAR (108-T) | 10-301-005 |
| 30 | 1-8*4 CAPSCREW | 75-634-409 |
| 31 | 1-8UNI-TORQUE LOCK NUT | 75-514-120 |
| 32 | CONN. ROD BEARING RETAINING RING W/ITEM 29 | 10-300-156 |
| 33 | JACKSHAFT | 10-300-030 |
| 34 | BEARING JACKSHAFT | 65-725-031 |
| 35 | RETAINER , JACKSHAFT BEARING | 10-300-032 |
| 36 | JACKSHAFT BEARING HOUSING | 10-300-031 |
| 37 | 5/8-11*1-1/2 CAPSCREW | 75-634-359 |
| 38 | SLINGER OIL | 10-300-099 |
| 39 | 1/2″ 45° STD ELL | 86-339-104 |
| 40 | 1″ 45° STD ELL | 86-339-108 |
| 41 | 5/8″-11 x1 DRILLED HD. CAPSCREW | 33-007-010 |
| 42 | 3/4″ *1/2″ STD REDUCER | 86-600-010 |
| 43 | 1/2″ *18″-7/8 HOSE ASSEMBLY | 45-804-000 |
| 44 | 3/4″ *19″-1/2 HOSE ASSEMBLY | 45-804-001 |
| 45 | 1/2″ *38″-7/8 HOSE ASSEMBLY | 45-804-006 |
| 46 | 1″ STD. B.M. TEE | 86-543-108 |
| 47 | 3/4″ STD. B.M. ELL | 86-336-106 |
| 48 | 3/4″ STD BALL VALVE | 83-899-802 |
| 49 | 2-1/2″ 0-100# OIL PRESSURE GAUGE | 08-017-360 |
| 50 | MODEL MAGNETIQUE OIL FILTER | 64-212-003 |
| 51 | OIL FILTER ELEMENT OR CARTRIDGE | 64-212-848 |
| 52 | HEAT EXCHANGER | 16-385-012 |
| 53 | B & S N° 713-2-7 ROTARY GEAR PUMP | 64-182-010 |
| 54 | N° L095 LOVEJOY FLEXIBLE COUPLING | 68-103-991 |
| 55 | OIL PUMP (flasqué) | 64-182-037 |
| 56 | 1″ *1/2″ BUSHING | 86-061-014 |
| 57 | 1″ STD UNION | 86-641-108 |
| 58 | 1″ STD. B.M. ELL | 86-336-108 |
| 59 | 1/2″ *1/4″STD B-M REDUCER | 86-600-005 |
| 60 | 3/4″ STD UNION | 86-641-106 |
| 61 | 1-1/2″ *3/4″ STD C.I. BUSHING | 86-061-026 |
| 62 | GASKET | 10-300-066 |
| 63 | Gasket | 10-300-065 |
Field Troubleshooting: Real-World Repair Case Studies
Case 1: Crosshead Bearing Failure & Rapid Replacement
On a Texas onshore drilling rig, the A1400PT mud pump experienced excessive vibration and abnormal noise mid-operation, traced to worn crosshead pin bearings (Item 17). Technicians replaced the failed bearings with OEM-grade A1400PT bearings, re-aligned the crosshead assembly, and restored pump operation in 2.5 hours, eliminating a potential 2-day rig shutdown. Root cause: lack of routine lubrication leading to dry friction wear.
Case 2: Oil Leakage from Diaphragm Gasket Degradation
An offshore drilling platform reported persistent lubricant leakage from the A1400PT pump’s diaphragm housing, causing lubricant loss and contamination risks. Replacement diaphragm gaskets (Item 14) were installed, with the gasket surface properly cleaned and torqued to spec. The repair resolved leakage entirely, extending pump service life and avoiding environmental compliance violations. Root cause: degraded elastomer material from prolonged thermal cycling.
Case 3: Flex Coupling Misalignment & Breakage
A directional drilling project suffered a broken flex coupling (Item 1), halting mud circulation and delaying well advancement. The L100 flex coupling was replaced with a precision-machined A1400PT replacement, with shaft alignment verified using laser tools. The pump resumed full operation within 90 minutes, minimizing project delays. Root cause: improper initial installation leading to uneven load distribution.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts fully compatible with the A1400PT oil well mud pump only? | Yes, every component is engineered and tested exclusively for the A1400PT model mud pump, ensuring perfect fit, OEM-grade performance, and no compatibility issues with other pump models. |
| What material standards are used for critical load-bearing parts? | Critical components like crankshafts, crossheads, and capscrews use high-tensile forged steel with 120,000 PSI yield strength, meeting API 7K and ISO 9001 quality standards for maximum durability. |
| Can these parts be used for both routine maintenance and emergency repairs? | Absolutely – this parts lineup includes both routine wear items (filters, gaskets) and major mechanical assemblies (crankshaft, connecting rods) for scheduled overhauls and urgent field breakdown repairs. |
Procurement Guidance & Value Proposition
These A1400PT mud pump replacement parts serve as both a rigorous procurement standard and a technical troubleshooting reference for oilfield operations teams. By selecting these precision-engineered components, you eliminate the risks of subpar generic parts – including frequent breakdowns, extended repair times, and compromised drilling safety – while ensuring full alignment with A1400PT pump performance specifications. Each part is backed by strict quality control protocols, providing a reliable solution to maintain drilling uptime, reduce long-term maintenance costs, and preserve the mechanical longevity of your A1400PT mud pump.
Call to Action for Procurement
Secure your A1400PT mud pump parts inventory today to prepare for routine maintenance, planned overhauls, and unforeseen field repairs. Submit your parts list inquiry with the specific item numbers and quantities you require, and our team will provide detailed pricing, component specifications, and supply support tailored to your drilling operation’s needs. Leverage these OEM-grade parts to uphold operational efficiency, meet industry safety standards, and keep your A1400PT mud pump operating at peak performance for all drilling projects.
