Komatsu Pump Assembly 708-1L-00800 Core Part Identification Primary Part Number This hydraulic gear pump assembly is identified by the core part number: 708-1L-00800, a critical component primarily serving as a fan pump/auxiliary pump for Komatsu large-scale hydraulic excavator systems. Core Function Acts as a dedicated fan pump or auxiliary hydraulic pump, converting engine mechanical power into hydraulic energy to drive the cooling fan system and auxiliary hydraulic circuits, ensuring stable thermal management for heavy-duty excavator operations. Compatibility & Application Core Compatible Equipment Models Komatsu PC1250-8/PC1250LC-8 (standard/long-track excavators, serial numbers ≥ 30001) Komatsu PC1250-8R/PC1250SP-8R (market-specific variants without EGR, serial numbers ≥ 35001) Komatsu PC1250SP-8 (super shovel configuration excavators) Komatsu PC1250-11/PC1250LC-11 (latest generation 1250 series excavators) Other Compatible Models Komatsu PC1250-7 (partial models of the previous generation, universal compatibility) Komatsu GD805A/GD825 (certain motor grader variants, for specific hydraulic system configurations) Matching Engine Model Exclusively engineered to match the Komatsu SAA6D170E-5 6-cylinder turbocharged diesel engine (522 kW/700 HP), the standard power unit for PC1250 series large-scale excavators. Application Scenarios Optimized for the cooling system/fan drive system of PC1250 series excavators in open-pit mining, quarrying and heavy construction projects, operating reliably under extreme load and harsh environmental conditions (-30°C to 85°C). Key Specifications Design Feature High-strength cast iron gear pump housing with anti-corrosion coating for durability Precision-machined gear set for efficient hydraulic fluid transfer with minimal leakage Specialized for cooling fan system applications with optimized flow characteristics Sealed internal components to prevent contamination and extend service life Performance Characteristic Maximum operating pressure of 28 MPa, displacement rate of 65 cc/rev, operating speed range 900-2400 RPM, service life ≥ 10,000 hours under normal operation (specific to cooling system applications). Interchangeable & Related Part Numbers Cross-Reference Details Verified interchangeable and alternative part numbers for this gear pump assembly (per 777parts and industry databases): 708-1L-00801 (updated variant with enhanced gear wear resistance for PC1250-11) 708-1L-00799 (interim variant compatible with PC1250-7/8 transition models) Related Hydraulic Components Key matching components for the 708-1L-00800 pump assembly (for PC1250 cooling system repair): 708-1L-00810 (pump seal and gasket repair kit for fan pump applications) 708-1L-00820 (hydraulic pump drive shaft for PC1250-8/11) 708-1L-00830 (fan pump mounting bracket and fastener set) 708-1L-00840 (hydraulic filter for fan pump fluid purification) Performance Features Reliability & Durability Robust gear pump construction withstands high hydraulic pressure, vibration and contamination in heavy-duty mining environments, ensuring consistent cooling system operation with minimal maintenance. Installation Characteristic Direct fit replacement design for PC1250 series excavator cooling fan systems, with standardized hydraulic ports and mounting points, simplifying on-site installation and reducing equipment downtime during maintenance. Related Part Numbers NO P.N. 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