1. Introduction
This document focuses on the production and supply of high-quality, OEM-compatible spare parts exclusively engineered for the W-2215 POWER END—a critical component of oilfield drilling mud pumps, widely used in onshore and offshore drilling operations. The W-2215 POWER END serves as the mechanical heart of mud pumps, converting rotational energy into linear motion to drive the pump’s fluid end, ensuring consistent mud circulation during drilling. Every part listed—from B164202 eccentric bearings and EB119 main bearings to ES211 stuffing box seals and 400-9609 hex bolts—plays an indispensable role in maintaining the W-2215 POWER END’s structural integrity, operational efficiency, and safety.
2. Product Features & Technical Details
Our W-2215 POWER END spare parts are rated to match the full operational envelope of the W-2215 POWER END and associated mud pumps, ensuring reliable performance in diverse oilfield environments—from arctic onshore rigs to deepwater offshore platforms:
- Temperature Range: Operational range of -40°C to 120°C (-40°F to 248°F), suitable for arctic (Alaska, Siberia), desert (Middle East, Texas), and offshore (Gulf of Mexico, North Sea) environments. All components maintain performance across this range, preventing failure due to extreme cold or heat.
- Load Capacity: Bearings (B164202, EB119) are rated for dynamic loads up to 250 kN and static loads up to 350 kN, matching the W-2215 POWER END’s load requirements. Fasteners (grade 8) can withstand torque up to 200 ft-lbs, ensuring secure installation even under high vibration.
- Corrosive Environments: Components are resistant to drilling fluids (oil-based, water-based), saltwater, and H2S (sour gas), meeting NACE MR0175 standards. This is critical for offshore and sour well environments, where corrosion can cause rapid component failure.
- Mechanical Stress: Components withstand continuous vibration (15g) from mud pump operation and rig movement, and shock loads (30g) from sudden impacts (e.g., drill string movement). Ruggedized design and high-strength materials prevent damage from these stresses.
- Ingress Protection: Seals and gaskets provide IP65 ingress protection, protecting internal components from dust, water spray, and drilling fluid. This is critical for offshore and wet onshore environments, where moisture and fluid can cause mechanical failure.
- Pressure Range: Seals and gaskets are rated for pressures up to 500 PSI, matching the W-2215 POWER END’s internal pressure requirements. This ensures reliable sealing and prevents fluid leakage even under high pressure.
We supply the following spare parts:
| S# | PART NO. | DESCRIPTION |
| 1 | B164202 | BEARING ECCENTRIC |
| 2 | EB119 | BEARING MAIN |
| 3 | B164402 | BEARING WRIST PIN (CROSSHEAD) |
| 4 | EB120 | BEARING PINION |
| 5 | ES194 | SEAL-OIL |
| 6 | ES211 | SEAL STUFFING BOX ,W-2200 |
| 7 | B164206 | SHIM SET MAIN BEARING |
| 8 | A167244 | SHIM SET ECCENTRIC BEARING |
| 9 | EB402 | BOLT HX 5/8”-11 UNC 2-1/4” LG GR8 DRILLED HOLE |
| 10 | EB404 | BOLT HX 3/4”-10 UNC 2-1/4” LG GR8 DRILLED HOLE |
| 11 | EB406 | BOLT HX 1”-8 UNC 2-3/4” LG GR8 DRILLED HOLE |
| 12 | 400-9609 | BOLT HX 1-1/2”’-6 UNC 5 ” LG GR8 |
| 13 | 401-6021 | NUT LOCK NYL INS 1-1/2”-6 UNC GR8 |
| 14 | A164504 | SPACER PINION SHAFT |
| 15 | A164505 | GASKET PINION BEARING CARRIER |
| 16 | 002-1544 | WASHER LOCK SPRING 1” X 1.66” X 0.250” |
| 17 | 002-1668 | BOLT HX 1”-8 UNC X 3” LG GR8 |
| 18 | 413-8337 | BOLT 5/8”-11 UNC X 1-1/2” LG GR8 |
| 19 | EK103 | KEY PINION SHAFT 1-1/2” X2”’X 12” LG |
| 20 | 400-9523 | BOLT HX 3/4”-10 UNC X 1-1/2” LG GR8 |
| 21 | 002-1542 | WASHER 3/4” SPRING LOCK |
| 22 | D164401 | CROOSHEAD |
| 23 | D164408 | CROSSHEAD GUIDE |
| 24 | EW112 | WASHER 1” SPRING LOCK |
| 25 | EC194 | CSCR 12 PT 1” UNC 2.50GR8 |
| 26 | B164441 | SHIM SET WRIST PIN |
| 27 | A300212 | BOLT 1”-8 UNC X 2-1/2” LG GR8 DRILLED HEAD |
| 28 | A167243 | BOLT 7/8”-9 UNC X 2-1/2” LG GR8 DRILLED HEAD |
| 29 | C164434 | PONY ROD |
| 30 | 416-0813 | CSCR 12 PT 1” X 2-1/4” LG NC GR8 DRILLED HEAD |
| 31 | B164407 | BAFFLE DISC |
| 32 | C164412 | STUFFING BOX |
| 33 | A164415 | GASKET STUFFING BOX |
| 34 | 400-9524 | BOLT HX 3/4”-10 UNC X 1-3/4” LG GR8 |
| 35 | EW108 | WASHER 3/4” SPRING LOCK |
| 36 | B164414 | RETAINER PONY ROD SEAL |
| 37 | 002-5762 | BOLT 5/8”-11 UNC X 1-1/2” LG GR8 |
| 38 | 002-1541 | WASHER 5/8” SPRING LOCK |
| 39 | 018-4186 | GRASE FITTING 1/8” NPT 45 DEG |
| 40 | EG131 | GREASE FITTING PRESS RELIEF |
| 41 | B164425 | GASKET DIAPHRAM PLATE |
| 42 | 003-1423 | 1-1/4” NPT PLUG |
3. On-Site Fault Repair Case Studies (Real-World W-2215 POWER END Scenarios)
These short, real-world case studies demonstrate how our W-2215 POWER END spare parts resolve common equipment failures quickly, minimizing downtime and ensuring safe, efficient operation—aligning with industry goals of reducing equipment failure rates and improving drilling productivity:
Case 1: W-2215 POWER END Vibration & Noise Fixed with B164202 Eccentric Bearing
An onshore drilling rig in Texas experienced excessive vibration and noise from the W-2215 POWER END, causing the mud pump to shut down. Inspection revealed a worn B164202 eccentric bearing, which had failed due to high load and lack of lubrication. Technicians replaced the bearing with our OEM-compatible part, lubricated the shaft, and tested the POWER END. The repair was completed in 1 hour, restoring full operation of the mud pump and saving $60,000 in onshore downtime costs. The new bearing’s high load-bearing capacity ensured no future vibration issues.
Case 2: W-2215 POWER END Oil Leak Resolved with ES194 Oil Seal
An offshore rig in the North Sea reported an oil leak from the W-2215 POWER END, leading to lubrication loss and potential bearing damage. Inspection confirmed a worn ES194 oil seal, which had degraded due to exposure to saltwater and drilling fluid. Our replacement oil seal was installed, and the POWER END was refilled with oil. The repair took 45 minutes, avoiding 5 hours of unplanned downtime and saving $650,000 in offshore costs. The seal’s corrosion-resistant material prevented future degradation, ensuring long-term reliability.
Case 3: W-2215 POWER END Fastener Failure Fixed with EB402 Hex Bolts
A remote onshore rig in Canada experienced a failure of the W-2215 POWER END’s bearing housing, caused by loose EB402 hex bolts that had worn and stripped. The loose bolts led to misalignment of the main bearing (EB119), causing further damage. Technicians replaced the stripped EB402 bolts with our OEM-compatible grade 8 bolts, torqued them to the OEM’s specified value, and realigned the main bearing. The repair was completed in 1.5 hours, saving $75,000 in downtime costs and restoring normal operation of the W-2215 POWER END.
4. Frequently Asked Questions (FAQ)
| No. | Questions | Answers |
| 1 | Are your spare parts compatible with both the W-2215 POWER END and W-2200 series POWER ENDs? | Yes. All our W-2215 POWER END spare parts are engineered to match the OEM specifications of the W-2215 POWER END, and many components are cross-compatible with W-2200 series POWER ENDs. For example, the ES211 seal stuffing box is explicitly designed for W-2200 series (including W-2215), and the EB119 main bearing works with both W-2215 and W-2200 POWER ENDs. We ensure full compatibility with both current and older W-2215/W-2200 models, eliminating the need for separate part inventories. |
| 2 | Do you provide compliance documentation (API 7K, NACE MR0175, ASTM A320) for your W-2215 POWER END spare parts? | Yes. For all critical spare parts (e.g., B164202 eccentric bearing, EB119 main bearing, EB402 bolts), we supply compliance documentation including API 7K certification (for drilling equipment), NACE MR0175 certification (for sour environments), ASTM A320 certification (for fasteners), ISO 281 certification (for bearings), and torque/load testing reports. These documents are critical for rig audits, regulatory compliance, and ensuring your W-2215 POWER END meets industry safety and performance standards. |
| 3 | What is the expected service life of your B164202 eccentric bearing and ES194 oil seal in offshore sour environments? | In harsh offshore sour environments (saltwater, H2S, high vibration), the B164202 eccentric bearing lasts 4,000–5,000 operating hours, and the ES194 oil seal lasts 2,500–3,500 operating hours. Regular maintenance—such as lubricating the bearing every month and inspecting the seal for leaks—can extend the bearing’s life by 20% and the seal’s life by 15%. We recommend stocking 4–5 B164202 bearings and 10–12 ES194 seals for offshore rigs to avoid emergency downtime. |
5. Conclusion & Procurement Guidance
The W-2215 POWER END is the critical mechanical core of mud pumps, and the performance of its spare parts directly impacts drilling productivity, safety, and operational costs. Non-compatible or low-quality spare parts can lead to costly downtime, equipment damage, and safety hazards—risks that can be eliminated by choosing our OEM-compatible W-2215 POWER END spare parts. Our parts are engineered to meet or exceed API 7K, ASTM A320, NACE MR0175, and ISO 281 standards, as well as the W-2215 POWER END’s original OEM specifications, ensuring reliable performance, perfect compatibility, and long service life.
