Products & Range Coverage
A&S MACHINERY CO., LTD. delivers an extensive inventory of specialized complete engine assemblies within our engine parts catalog to support diverse heavy-duty equipment, such as crawler excavators, wheel loaders, mining dump trucks, high-horsepower track-type tractors, marine propulsion vessels, and electric power generator sets:
• Machine & Application Engine Compatibility: Engineered for a broad range of Caterpillar machinery and industrial applications, our engines cover mechanical injection and electronic common-rail diesel and gas systems. We ensure exact arrangement number identification, rated power outputs, and mounting interface dimensions for a 100% perfect match and factory-grade installation.
• Complete Engine Assemblies & Options: 1. Brand-New OEM Engines: Factory-fresh units delivered directly from manufacturing lines with original serial numbers and full warranties; 2. Certified Remanufactured Engines: Caterpillar certified reman assemblies rebuilt through rigorous industrial processes, featuring fully updated core components matching new engine performance at high cost-effectiveness; 3. Heavy-Duty Replacement Engines: High-performance assemblies optimized for older or out-of-production machine models operating under severe overseas workloads; 4. Fully-Equipped Peripheral Systems: Standard configurations complete with turbochargers, fuel injection systems (including HEUI and common-rail units), electronic control modules (ECMs), starter motors, alternators, and core cooling/intake lines.
• Procurement Value: These solutions deliver exceptional operational reliability and extended service lifespan while providing flexible, cost-effective procurement options for global equipment fleets and contractors.
Supply Chain & Logistics
We maintain a robust operational infrastructure designed to support global machinery heavy engine assembly procurement through direct supply channels, delivering reliable stock availability and rapid dispatch to build trust with international equipment owners.
• Massive Inventory and Serial Number Verification: We maintain large-volume stock of mainstream CAT construction machinery and industrial engine assemblies. Backed by barcode-enabled intelligent warehousing and CAT arrangement number technical databases, we guarantee precise matching and verification of configuration codes, rated power, and serial numbers upon order confirmation to eliminate equipment downtime caused by catastrophic engine failures forcing machinery stoppages.
• Industrial-Grade Anti-Rust and Heavy-Duty Crated Protection: We implement specialized industrial packaging standards for heavy engine assemblies weighing hundreds of kilograms to multiple tons, utilizing volatile corrosion inhibitor film vacuum plastic sealing for internal precision-machined surfaces and electronic components, full-body anti-vibration structural bracing, and custom steel-skeleton-reinforced fumigated solid wood export heavy-duty crates to ensure assemblies do not suffer collision deformation, moisture corrosion, or electronic electrostatic discharge during transcontinental ocean, inland desert, or air transit.
• Global Port and Site Direct Delivery: We support overseas clients by arranging direct sea or air freight delivery of heavy engine assemblies to major global mining hubs, shipyard docks, or oilfield drilling sites, accompanied by comprehensive customs clearance documentation, rigging guidance, and import-export compliance support.
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 heavy power assets.
• Application-Specific Upgrades and Solutions: We address common field issues in extreme environments, such as high-altitude oxygen-deficient mines, tropical high-humidity islands, or regions using suboptimal high-sulfur fuel, where engines experience premature failure. We also provide professional engineering upgrades, including customized engine assembly configurations featuring high-sulfur-resistant fuel injection systems, enhanced thermal dissipation, and anti-cavitation cooling solutions.
• Troubleshooting and Maintenance Guidelines: We address common user concerns regarding engine teardown hazards, piping contamination, or initial startup risks by providing professional installation and pre-lube guidance. This includes emphasizing the absolute necessity of using dedicated pressure pre-lubricators to fill turbochargers and main bearings with clean oil prior to initial startup to strictly prevent dry-start bearing scoring, alongside guiding technicians on using CAT ET diagnostic software to synchronize fleet management parameters, throttle response characteristics, and injector trim codes to new engine electronic control modules.
• Expert Technical Support and Safety Guidelines: We provide technical documentation covering engine assembly lifting point diagrams, flywheel housing coaxiality measurement standards, electrical interface pin definitions, and initial full-load bench break-in protocols, assisting overseas technical teams in achieving successful first-time startups.
Call to Action & User Experience
Optimize your heavy machinery fleet power restoration and equipment reliability 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 Caterpillar machine model (such as CAT 336D, 777G, or 980H), engine base models (such as C15, 3516, or 3306), engine arrangement numbers, or application categories (such as machinery, marine, power generation, or oil and gas) to lock onto target assemblies instantly.
• RFQ and Engine Assembly Quotation: Access our fast-response interactive channels providing one-click equipment nameplate photo or old engine arrangement number uploads to receive complete assembly quotations, freight estimates, and lead times, fulfilling major equipment emergency repair and fleet upgrade procurement requirements for international mining fleets, contractors, and rental companies.
• Consultation and Support: Utilize our around-the-clock professional technical support channels staffed by senior CAT power system engineering and mechanical assembly experts to assist overseas clients in verifying complex custom engine assembly substitutions, bracket modifications, or control protocol matching, ensuring cross-border heavy capital procurement runs error-free.

OEM GENUINEIN STOCK
4TNE98 Engine ASSY for Orignal Yanmar Engine 4TNE98 with CE Certificate
A&SModel: Engine4TNE98|Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Engine ASSY for Orignal Yanmar Engine 4TNE92 with CE Certificate
A&SModel: Engine4TNE92|Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Engine ASSY for Orignal Yanmar Engine 4TNV92 with CE Certificate
A&SModel: Engine4TNV92|Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Engine Complete ASSY KOMATSU SAA6D114E-3
A&SModel: |Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Engine Complete ASSY CUMMINS 6881059 QSC 8.3
A&SModel: |Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Yanmar 3TNV70-XHB Engine Complete New Original
A&SModel: 3TNV70-XHB|Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
Yanmar 3TNV82A-SYBT Engine Complete New Original
A&SModel: 3TNV82A-SYBT|Brand: A&S
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
205-8347: Oscillating Axle Trunnion
Cat | CaterpillarModel: 205-8347|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
108-1078: ENG AR 3306
Cat | CaterpillarModel: 108-1078|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
282-2060: ENGINE AR-B
Cat | CaterpillarModel: 282-2060|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
186-9135: Front Trunnion Support
Cat | CaterpillarModel: 186-9135|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
195-3813: TRUNNION
Cat | CaterpillarModel: 195-3813|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
204-7983: ENGINE AR-BA
Cat | CaterpillarModel: 204-7983|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
10R-9273: ENGINE AR
Cat | CaterpillarModel: 10R-9273|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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OEM GENUINEIN STOCK
156-6250: ENGINE AR-35
Cat | CaterpillarModel: 156-6250|Brand: Cat | Caterpillar
In Stock - Ships within 24 hours
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