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708-1T-00420 Cooling Fan Drive Pump | OEM Replacement Axial Piston Pump For Komatsu D275 Dozer
Direct OEM Replacement:1:1 matches original Komatsu part 708-1T-00420, plug-and-play installation without modification
Heavy-Duty Axial Piston Design:Variable displacement piston structure with cast iron housing, built for continuous heavy load in mining & construction sites
Full Model Compatibility:Fits Komatsu D275A-5, D275A-5D crawler bulldozer engine cooling systems
Fast Global Fulfillment:In-stock in China warehouse, ships within 48 hours, DHL/FedEx/DDP door-to-door service available
Product Overview
The 708-1T-00420 is a high-performance variable displacement axial piston hydraulic fan pump purpose-built for Komatsu D275A-5 series bulldozers. As a core component of the engine cooling system, it delivers stable and adjustable hydraulic flow to drive the cooling fan, precisely maintaining optimal engine operating temperature under heavy-duty mining, earthmoving and quarry working conditions.
This aftermarket replacement pump is manufactured strictly to original OEM specifications, with fully interchangeable mounting flanges, port sizes and performance parameters. It requires no modification during installation, directly replacing the failed original fan pump to restore your dozer's cooling efficiency and prevent engine overheating failures.
Key Functions & Applications
Transmits hydraulic power to drive the engine cooling fan
Automatically adjusts fan speed and flow rate with hydraulic pressure changes
Ensures stable engine temperature during long-hour heavy load operations
Widely applied to construction, mining, road building and land clearing D275 series dozer fleets
Quality Control
Every 708-1T-00420 fan pump undergoes rigorous factory testing including pressure resistance test, flow rate calibration, seal leak test and load simulation test before packaging. We adopt high-strength cast iron housing, wear-resistant copper alloy valve plate and precision-machined piston assembly to guarantee long service life even in harsh dusty and high-temperature environments.
Specification
Details
Part Number
708-1T-00420 / 7081T00420 / 7081T-00420
Product Name
Hydraulic Cooling Fan Pump Assembly
Compatible Brand
For Komatsu
Fit Models
D275A-5, D275A-5D Bulldozer
Pump Type
Variable Displacement Axial Piston Pump
Mounting Type
Direct bolt-on mounting
Rated Flow
95-140 L/min
Working Pressure
12-18 bar (174-261 PSI)
Operating Temperature Range
-20°C to +100°C
Housing Material
High Strength Steel
Gross Weight
Approx. 32 kg / 70.5 lbs
Condition
100% Brand New Aftermarket
Certification
CE
Warranty
6 Months
Place of Origin
Guangdong, China
Compatible Machine Models
Komatsu D275A-5 Crawler Dozer
Komatsu D275A-5D Crawler Dozer
Cross Reference Part Numbers
708-1T-00420 (Original OEM part number)
708-1T-00421 (Interchangeable variant)
708-1T-01420 (Interchangeable replacement)
7081T00420 (No-hyphen format)
Q: Is this pump compatible with my Komatsu D275A-5?
A: Yes, this 708-1T-00420 fan pump is a direct replacement for Komatsu D275A-5 and D275A-5D bulldozers, fully matching the original installation dimensions.
Q: What is the warranty period?
A: We provide a 6-month warranty for this product from the date of delivery, covering manufacturing defects and quality issues under normal use.
Q: How long is the delivery time?
A: For in-stock items, we ship within 48 hours. International express delivery (DHL/FedEx/UPS) usually takes 3-7 working days to most countries. Sea freight and air freight options are also available for bulk orders.
Q: Do you accept sample orders?
A: Yes, we support sample order of 1 piece for quality testing.
Q: What payment methods do you accept?
A: We accept T/T bank transfer, PayPal, credit card,
