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Bulk Lot of 10 Brand New Genuine OEM Caterpillar Fan Pulley Hub Drive Assemblies (Part Number: 8N-8983 / 8N8983).This commercial-grade wholesale pallet contains ten factory-new, heavy-duty fan drive assemblies engineered to deliver original equipment performance. Designed specifically for heavy machinery, industrial diesel engines, and commercial cooling groups, each genuine Cat fan pulley hub ensures exact mechanical alignment, minimizes belt slip, and isolates operational vibrations. Relying on trusted Caterpillar durability helps prevent catastrophic engine overheating and costly downtime on the job site.As vital engine accessory components, these 1-groove pulley drive hubs maintain correct tension and transfer reliable torque from your engine’s drive systems directly to the cooling fan. This wholesale lot is perfect for fleet maintenance managers, heavy equipment repair shops, and commercial parts distributors stocking up on critical mechanical inventory.Product Specifications (Per Unit)Brand: Caterpillar (Cat)MPN / Part Number: 8N-8983 (Interchanges with 8N8983)Component Type: Fan Drive Hub / Pulley Drive AssemblyItem Condition: Brand New / New Old Stock (NOS)Total Lot Quantity: Bulk Pallet of 10 UnitsApproximate Dimensions: 165.1 mm L x 160 mm W x 160 mm HApproximate Weight: 4.7 kg (10.3 lbs) per unitVerified Equipment CompatibilityThis genuine Cat fan pulley hub assembly is compatible with a broad range of heavy equipment arrangements, including specific 110-5095 cylinder head groups and 3406 / 3406E configurations. It is a direct fit for the following machinery models:Track-Type Tractors & Pipelayers: D8L, D8N, D9L, and 578 PipelayersWheel Tractors & Scrapers: 621B, 621E, 621F, 621G, 623E, 623F, 623G, 627E, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, and 657B