Products & Range Coverage
A&S MACHINERY CO., LTD. delivers an extensive inventory of specialized axle differentials within our power train parts catalog to support diverse heavy-duty equipment. Our product lineup covers a broad range of machine series and differential configurations, ensuring that every component meets rigorous Komatsu standards for power transmission and preventive maintenance:
• Machine & Heavy-Duty Differential Compatibility: Engineered for a broad range of Komatsu heavy-duty wheel loaders, motor graders, and mining trucks, our products ensure exact material hardness ratings, dimensional tolerances, and structural interface definitions for a 100% perfect match, rapid replacement, and factory-grade performance.
• Complete Heavy-Duty Differential Range: 1. Differential & Main Reduction Assemblies: Designed to withstand massive torque shocks, large-ratio speed reductions, and power balancing distribution for primary drive units; 2. Spiral Bevel Gear Sets & Spider Crosses: Formulated to endure alternating high-load shear stresses and determine overall transmission efficiency and service lifespan; 3. Planetary Side Gears, Pinions & Differential Housings: Satisfying left and right wheel speed difference adjustments to ensure smooth vehicle turning and cornering stability.
• OEM & Heavy-Duty Aftermarket: We offer certified original equipment manufacturer Komatsu axle differentials alongside rigorous high-performance aftermarket alternatives featuring deep tooth surface strengthening, 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 axle differential 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 tens of differential and main reduction assemblies 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 sudden differential tooth breakage or shattering halting complete machine operations.
• Anti-Rust Sealing and Custom Cradles: We implement specialized industrial packaging standards for precision gear surfaces, spline bores, and bearing mounting positions of all differential assemblies and spiral bevel gears utilizing heavy-duty long-lasting anti-rust oils, thick industrial bubble wrap, and multi-layer wrapping films, while custom wood slot positioning blocks ensure zero tooth surface oxidation, knocks, or scratch damage during transcontinental ocean freight under salt spray and high humidity environments.
• Heavy-Duty Crated Protection: Bulk heavy-duty differential and transmission component shipments are packed in high-strength export fumigated wooden crates with cross-braced timber blocks suspending heavy units off the container floor to guarantee absolute safety during long-distance transcontinental transport under extreme cargo handling jolts without deformation.
• Consolidated Sourcing for Axle Differential Overhaul Kits: We support overseas clients by consolidating large differential assemblies alongside matching full sets of precision tapered roller bearings, adjustment shims, high-strength connection bolts, and specialized heavy-duty gear oils into precise bundled full-set axle differential maintenance kits, achieving a one-stop purchasing model that pairs drive axle 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 Differential Durability Solutions: We address extreme jobsite challenges—such as heavy rock blasting and muddy open-pit mines—where original spider crosses and spiral bevel gears suffer tooth surface spalling or shear fracture under frequent aggressive steering and high-torque impacts. We also provide professional engineering upgrades utilizing high-purity aerospace-grade alloy steels, deep carburizing and quenching treatments, and enhanced anti-impact strength.
• Troubleshooting and Maintenance Guidelines: We provide professional diagnostic guidance for issues like rhythmic metal impact noises inside drive axles, abnormal oil temperatures, or excessive metal debris. This focuses on two critical protocols: 1. Backlash & Contact Pattern Inspection: Technicians must use red lead powder to inspect tooth mesh contact patterns and precision dial indicators to adjust backlash, strictly prohibiting excessive clearance (which causes impact tooth breakage) or insufficient clearance (which causes high-temperature burning); 2. Oil Cleanliness & Iron Chip Monitoring: Service technicians must inspect axle housing gear oil condition during every maintenance cycle and immediately dismantle axles if metallic particles appear—checking planetary and spider gear wear to prevent total assembly failure.
• Expert Technical Support & Safety Guidelines: We provide comprehensive documentation, including drive axle disassembly diagrams, bearing pre-load adjustment standards, spiral bevel gear mesh parameter tables, 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 axle differential assemblies, spiral bevel gears, spider crosses, or powertrain parts), or original equipment manufacturer part numbers to lock onto target products instantly.
• RFQ and Axle Differential Fleet Quotation: Access our fast-response interactive channels providing one-click bill of materials uploads for fleet Komatsu machinery drive axle overhaul lists, including differential assemblies, gear pairs, bearing kits, adjustment shims, and gear oils, 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 drive axle experts to assist overseas clients in verifying non-standard differential tooth counts and ratios, designing customized driveline reinforcement plans for extreme mining environments, and troubleshooting complex transmission noise faults, ensuring cross-border procurement runs error-free.

OEM GENUINEIN STOCK
HOLDER - 425-22-31240
KomatsuModel: 425-22-31240|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
SHIM - 425-22-31590
KomatsuModel: 425-22-31590|Brand: Komatsu
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
BEARING - 425-22-31821
KomatsuModel: 425-22-31821|Brand: Komatsu
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OEM GENUINEIN STOCK
SHIM - 425-22-31360
KomatsuModel: 425-22-31360|Brand: Komatsu
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OEM GENUINEIN STOCK
SHIM - 425-22-31380
KomatsuModel: 425-22-31380|Brand: Komatsu
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OEM GENUINEIN STOCK
BEARING - 562-22-11850
KomatsuModel: 562-22-11850|Brand: Komatsu
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OEM GENUINEIN STOCK
BOLT - 562-22-31960
KomatsuModel: 562-22-31960|Brand: Komatsu
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OEM GENUINEIN STOCK
PLUG - 417-22-23250
KomatsuModel: 417-22-23250|Brand: Komatsu
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OEM GENUINEIN STOCK
HOLDER - 423-22-11240
KomatsuModel: 423-22-11240|Brand: Komatsu
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OEM GENUINEIN STOCK
SLEEVE - 423-23-23170
KomatsuModel: 423-23-23170|Brand: Komatsu
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OEM GENUINEIN STOCK
BOLT - 421-22-11180
KomatsuModel: 421-22-11180|Brand: Komatsu
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OEM GENUINEIN STOCK
PROTECTOR - 421-22-31310
KomatsuModel: 421-22-31310|Brand: Komatsu
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OEM GENUINEIN STOCK
DISC - 421-22-31281
KomatsuModel: 421-22-31281|Brand: Komatsu
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OEM GENUINEIN STOCK
DISC - 421-22-31271
KomatsuModel: 421-22-31271|Brand: Komatsu
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OEM GENUINEIN STOCK
SPIDER SHAFT - 421-23-31420
KomatsuModel: 421-23-31420|Brand: Komatsu
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