1. Detailed Product Introduction
Our White Star WS-1300T pump crosshead parts cover every critical structural, wearable, and fastening component for full crosshead assembly overhaul and routine maintenance. The comprehensive lineup includes crosshead body, top & bottom guides, wrist pin, retainer plates, stripper box components, extension rods, rod clamps, piston rods, pistons, locking nuts, precision bearings, and full sets of specialized fasteners—all engineered as exact OEM equivalents for the WS-1300T mud pump power end.
2. Key Functional Specifications
Every WS-1300T crosshead component delivers targeted, field-proven functionality for heavy-duty mud pump power end operation: The crosshead body acts as the core motion-conversion component, sliding smoothly between top and bottom guides to maintain strict linear reciprocating travel; wrist pins and precision bearings enable low-friction connection between crosshead and connecting rods, supporting continuous high-cycle operation; crosshead guides maintain perfect alignment to prevent side loading and uneven wear; stripper box assemblies create reliable dynamic sealing to block abrasive drilling mud from entering the power end; extension rods and piston rods reliably transfer linear motion to the pump’s fluid end; rod clamps and locking nuts secure critical components to maintain torque retention under vibration; specialized fasteners deliver consistent clamping force to withstand repeated operational cycling.
3. Structural & Material Advantages
Our WS-1300T crosshead parts feature optimized structural design and premium material selection to outperform standard aftermarket alternatives. Crosshead bodies are constructed from high-tensile forged ductile iron with a tensile strength exceeding 600MPa, offering exceptional impact resistance and fatigue life; top and bottom crosshead guides use precision-machined wear-resistant alloy surfaces, reducing friction coefficients by up to 30% compared to standard guides; wrist pins are precision-ground from hardened alloy steel (HRC 55-62) for maximum wear and shear resistance; precision roller bearings feature high-load capacity design, supporting continuous heavy-load operation without premature failure; stripper box seals use oil-resistant, abrasion-proof rubber compounds for long-lasting dynamic sealing; all metal fasteners are high-grade hardened steel, resistant to stretching and fatigue under repeated vibration and pressure cycling.
Structurally, every component is machined to exact OEM mating dimensions, ensuring seamless alignment, perfect concentricity, and zero assembly gaps—effectively reducing vibration, minimizing uneven wear, and extending the overall service life of the entire pump power end.
4. Recommended Applicable Operating Conditions
These premium WS-1300T crosshead parts are engineered for universal adaptability across harsh drilling environments, including onshore oil & gas exploration, horizontal directional drilling, deep water well drilling, mining drilling, and geological core drilling. The parts perform reliably under demanding operational parameters: continuous high-cycle pump operation up to 150 SPM, heavy-load reciprocating motion stress, exposure to abrasive high-solid-content drilling mud, frequent pump start-stop cycling, extreme ambient temperature fluctuations, and remote rig site conditions with limited maintenance access.
The components are equally suitable for full crosshead assembly overhauls, partial component replacement, and routine wear part replacement, making them a versatile solution for both planned maintenance and emergency field repairs.
5. Proactive Maintenance & Service Recommendations
To maximize component service life and minimize unplanned downtime for WS-1300T pump crosshead assemblies, follow these industry-leading maintenance protocols: Conduct visual inspections of crosshead guides, wrist pins, and bearings every 250 operating hours to check for wear, scoring, or misalignment; monitor stripper box sealing performance regularly and replace worn stripper box gaskets and seals at the first sign of mud leakage; lubricate crosshead guides and wrist pin bearings with high-temperature extreme-pressure lubricant every 150 operating hours to reduce friction; torque all fasteners (hex bolts, socket bolts) to exact OEM specifications during installation to prevent loosening from vibration; inspect rod clamps and locking nuts for proper tightening during each maintenance cycle to avoid component slippage; clean crosshead sliding surfaces thoroughly to remove abrasive mud residues before reassembly; store unused components in a dry, dust-free environment to prevent corrosion and surface damage.
Always cross-reference OEM part numbers before installation to ensure perfect model and size matching, avoiding alignment issues and premature component failure caused by mismatched parts.
We supply the following spare parts:
| WHITE STAR WS-1300T PUMP CROSSHEAD ASSEMBLY PARTS LIST | ||
| ITEM | PART NO. | DESCRIPTION |
| 1 | 726-006 | CROSSHEAD |
| 2 | 726-6-1-1 | CROSSHEAD TOP GUIDE |
| 3 | 726-6-1-2 | CROSSHEAD BOTTOM GUIDE |
| 4 | 726-004-01 | WRIST PIN |
| 5 | 726-6-9 | WRIST PIN RETAINER PLATE |
| 6 | 726-6-2 | STRIPPER BOX SUPPORT PLATE |
| 7 | 726-6-4-000 | STRIPPER BOX ASSEMBLY |
| 8 | 726-6-7 | EXTENSION ROD |
| 9 | 726-6-10 | ROD CLAMP |
| 10 | 726-6-8 | PISTON ROD |
| 11 | 726-6-8-X* | PISTON |
| 12 | 726-6-8-1-1 | PISTON LOCKING NUT |
| 13 | 202-2195 | BEARING |
| 14 | 726-6-9-HB | HEX BOLT C/W LOCK WASHER |
| 15 | 726-4-1-HB | HEX BOLT C/W LOCK WASHER |
| 16 | 726-6-7-HB | HEX BOLT |
| 17 | 726-6-11-SB | SOCKET BOLT |
| 18 | 726-6-11 | TAP PAD |
| 19 | 720-6-3-HB | HEX BOLT C/W WASHER |
| 20 | 720-6-4-G | STRIPPER BOX GASKET |
| 21 | 720-6-2-G | STRIPPER BOX SUPPORT PLATE GASKET |
6. On-Site Field Failure Repair Cases
Case 1: Crosshead Guide Wear Causing Pump Vibration
A land drilling rig operating a WS-1300T mud pump experienced severe abnormal vibration and noise during operation, alongside uneven power end wear. Field inspection revealed excessive wear on the 726-6-1-1 top crosshead guide and 726-6-1-2 bottom crosshead guide, leading to critical misalignment. Maintenance crews replaced both guide components, realigned the crosshead assembly, and restored smooth linear motion, eliminating vibration and preventing further damage to internal pump components.
Case 2: Stripper Box Leakage Damaging Internal Bearing
During a long-duration drilling project, the WS-1300T pump showed mud leakage at the stripper box assembly, followed by increased friction and reduced pump efficiency. Inspection found a worn 720-6-4-G stripper box gasket that allowed abrasive mud to contaminate the 202-2195 bearing. Technicians replaced the damaged gasket, bearing, and accompanying stripper box components, resealing the power end and restoring normal low-friction operation within 90 minutes.
Case 3: Wrist Pin Wear Leading To Power Loss
A drilling site reported gradual power loss and inconsistent reciprocating motion from the WS-1300T pump power end. Troubleshooting identified excessive wear on the 726-004-01 wrist pin, causing loose connection and inefficient power transfer. Replacing the worn wrist pin and matching retainer plate restored full power transmission, stabilized pump performance, and avoided a full system shutdown that would have delayed drilling operations.
7. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these crosshead parts fully compatible with original White Star WS-1300T pumps? | Yes, every component is precision-machined to match OEM dimensional, alignment, and performance specifications, ensuring 100% direct drop-in compatibility with White Star WS-1300T mud pump crosshead assemblies with no modification required. |
| How often should crosshead guide components be replaced? | For standard drilling conditions, replace crosshead top and bottom guides every 400-500 operating hours; in high-abrasion, heavy-cycling drilling environments, shorten replacement intervals to 250-300 hours to prevent misalignment and vibration. |
| What causes premature stripper box seal failure? | Premature seal failure is typically caused by abrasive mud particles, insufficient lubrication, or misaligned rod components. Regular cleaning, proper lubrication, and prompt replacement of worn guides help extend stripper box seal service life. |
8. Procurement Guidance
For drilling operators, maintenance teams, and repair specialists seeking reliable, OEM-grade replacement parts for White Star WS-1300T mud pump crosshead assemblies, this comprehensive parts collection serves as both a standardized procurement reference and a hands-on technical troubleshooting guide. Every component is engineered to reduce field downtime, lower long-term maintenance expenses, and sustain consistent, stable power end performance under the harshest drilling conditions.
