Power Train Parts/Drive Shaft Universal Joint

Products & Range Coverage
A&S MACHINERY CO., LTD. delivers an extensive inventory of specialized drive shaft and universal joint parts within our power train parts catalog to support diverse heavy-duty equipment. Our product lineup covers a broad range of machine series and driveline configurations, ensuring that every component meets rigorous Komatsu standards for power transmission and preventive maintenance:
• Machine & Heavy-Duty Powertrain Driveline Compatibility: Engineered for a broad range of Komatsu heavy-duty wheel loaders, motor graders, and mining trucks, our products ensure exact material strength ratings, dimensional tolerances, and flange interface definitions for a 100% perfect match, rapid replacement, and factory-grade performance.
• Complete Heavy-Duty Driveline Range: 1. Complete Drive Shaft Assemblies: Designed to withstand massive torque transmission with high bending rigidity and precision dynamic balancing for primary transmission drive shafts; 2. Universal Joint Cross Kits & Needle Bearings: Formulated to enable large-angle directional transmission and endure alternating high-load wear utilizing deep carburizing and quenching treatments; 3. Yokes, Slip Yokes & Flanges: Satisfying axle suspension travel and axial telescopic compensation for reliable power delivery.
• OEM & Heavy-Duty Aftermarket: We offer certified original equipment manufacturer Komatsu driveline parts alongside rigorous high-performance aftermarket alternatives featuring reinforced alloy materials, delivering exceptional operational reliability and extended service lifespan at a cost-effective procurement point for global clients.

Supply Chain & Logistics
We maintain a robust operational infrastructure designed to support global driveline component procurement through direct supply channels, delivering reliable stock availability and rapid dispatch to build trust with international equipment owners and repair facilities.
• Massive Inventory and Cross-Reference: We maintain large-volume stock of hundreds of drive shafts and universal joints matching Komatsu mainstream wheel loaders and mining trucks. Backed by barcode-enabled intelligent warehousing and Komatsu cross-reference databases, we guarantee precise matching and immediate dispatch upon order confirmation to fulfill routine maintenance and rapid replenishment needs for overseas fleet workshops and minimize equipment downtime caused by drive shaft fractures or universal joint detachment halting complete machine operations.
• Anti-Rust Sealing and Custom Brackets: We implement specialized industrial packaging standards for precision splines, flange faces, and universal joint caps of all drive shaft assemblies utilizing heavy-duty long-lasting anti-rust oils, thick wrapping films, and moisture-proof vacuum sealing bags, while custom wood slot positioning blocks and internal fixtures ensure zero piston rod oxidation or tube bending deformation during transcontinental ocean freight under salt spray and high humidity environments.
• Heavy-Duty Crated Protection: Bulk drive shaft and universal joint shipments are packed in high-strength export fumigated wooden crates with internal anti-vibration cork positioning blocks and cross-braced retaining straps to guarantee absolute safety during long-distance transcontinental transport under extreme cargo handling jolts without balance loss or distortion.
• Consolidated Sourcing for Driveline Overhaul Kits: We support overseas clients by consolidating large drive shafts alongside matching full sets of high-strength self-locking flange bolts, spare universal joint cross kits, slip sleeve dust boots, and extreme-pressure greases into precise bundled full-set driveline maintenance kits, achieving a one-stop purchasing model that pairs driveline service supplies while significantly reducing comprehensive logistics costs for overseas workshops.

Engineering Solutions & Technical Support
Our technical framework focuses on resolving field-level operational challenges to eliminate equipment downtime, moving beyond simple parts distribution to deliver comprehensive engineering and service capabilities for asset health monitoring reliability.
• Application-Specific Driveline Durability Solutions: We address extreme jobsite challenges—such as heavy rock blasting and continuous high-intensity loading open-pit mines—where original drive shafts and universal joints suffer trunnion crushing or flange fork deformation under frequent forward-reverse shift impact cycles. We also provide professional engineering upgrades utilizing high-purity aerospace-grade alloy steels, deep carburizing and quenching treatments, and enhanced load capacities with reinforced dust-sealing lips.
• Troubleshooting and Maintenance Guidelines: We provide professional diagnostic guidance for issues like chassis clunking noises during startup, severe cab floor vibrations during travel, or grease leakage from universal joint seals. This focuses on two critical protocols: 1. Greasing & Phase Alignment: Technicians must use manual grease guns every 50 hours to inject lithium extreme-pressure grease until old contaminated grease purges evenly from all four bearing caps, while strictly aligning sliding yoke phase marks to prevent secondary imbalance vibrations; 2. Single-Use Bolt Replacement: Service technicians must replace flange bolts with brand-new high-strength units if thread stretching occurs, strictly prohibiting loose bolts that lead to shear failure.
• Expert Technical Support & Safety Guidelines: We provide comprehensive documentation, including drive shaft disassembly procedures, flange face cleaning standards, universal joint press-fit specifications, and visual guides, assisting overseas technical personnel in executing standardized construction.

Call to Action & User Experience
Optimize your machinery driveline reliability and maintenance efficiency today by utilizing our interactive tools placed across strategic positions on our platform.
• Multi-Dimensional Intelligent Search and Specification Filtering: Benefit from advanced search functions supporting fast product filtering by Komatsu machine model (such as WA380, WA470, WA500, GD655, or HD785), product categories (such as drive shaft assemblies, universal joint cross kits, flange yokes, or powertrain parts), or original equipment manufacturer part numbers to lock onto target products instantly.
• RFQ and Driveline Fleet Quotation: Access our fast-response interactive channels providing one-click bill of materials uploads for fleet Komatsu machinery driveline overhaul lists, including drive shaft assemblies, universal joint kits, flange bolt sets, and dedicated greases, to receive bundled assembly quotations and international logistics freight estimates, fulfilling workshop routine overhauls and extreme condition spare parts reserve procurement requirements.
• Consultation and Support: Utilize our around-the-clock professional technical support channels staffed by senior Komatsu machinery powertrain and chassis experts to assist overseas clients in verifying non-standard drive shaft flange PCD sizes and total lengths, designing customized driveline reinforcement plans for extreme mining environments, and troubleshooting complex chassis resonance noise faults, ensuring cross-border procurement runs error-free.