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CAT 336-349-374-395 Hydraulic Fan Pump Stable Cooling High Efficiency Durable for Large Excavators
This CAT Hydraulic Fan Pump is a dedicated cooling drive component for CAT 336, 349, 374, and 395 series large excavators. It provides stable hydraulic flow to the cooling fan system, ensures reliable engine temperature control, prevents overheating under heavy load, and supports long-hour continuous operation in mining, quarry, and large construction conditions.
Specifications
Item
Details
Product Name
Hydraulic Fan Pump for CAT 336 349 374 395
Suitable Models
CAT 336D2/336GC, 349D2/349GC, 374F, 395
OEM Part Numbers
564-9801, 524-0924, 259-0815, 448-9705
Pump Type
Gear Pump / Piston Pump
Displacement
23–44 cc
Operating Pressure
21–28 MPa
Shaft Type
15-tooth spline
Lubrication
Hydraulic oil self-lubricated
Weight
Approx. 8.5 kg
Key Advantages
Direct OEM matching for CAT 336/349/374/395 excavators
Stable pressure and flow ensure efficient fan speed control
High-precision gears for low noise and long wear life
Strong resistance to high temperature and heavy load
Easy installation and direct replacement
Effectively reduces engine overheating risk
Extended service life and lower maintenance cost
Typical Applications
CAT 336D2 / 336GC hydraulic excavators
CAT 349D2 / 349GC hydraulic excavators
CAT 374F / 395 large mining excavators
Mining excavation, ore loading, quarry projects
Large earthmoving and foundation construction
Long-hour heavy-duty working conditions
FAQs
Which models does this fan pump fit?
It fits CAT 336, 349, 374, and 395 series excavators.
What are the main OEM part numbers?
564-9801, 524-0924, 259-0815, 448-9705.
What is the shaft specification?
It uses a 15-tooth spline shaft.
Is this pump for cooling system only?
Yes, it supplies power to the hydraulic cooling fan.
Does it prevent engine overheating?
Yes, it ensures stable fan speed and efficient heat dissipation.
Is it easy to replace?
Yes, direct OEM style installation without modification.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Exporter,Manufacturer
Year Established:
2008
Total Annual:
5000000-10000000
Employee Number:
101~200
Ecer Certification：
Verified Supplier
Located in the Fuyong Huabang Excavator Parts Wholesale Department in Bao'an District, Shenzhen, it is a professional excavator parts supplier in China.We offer a range of excavator parts, including hydraulic pumps, control valves, main reducers, swing motors, engine assemblies, and other crucial co... Located in the Fuyong Huabang Excavator Parts Wholesale Department in Bao'an District, Shenzhen, it is a professional excavator parts supplier in China.We offer a range of excavator parts, including hydraulic pumps, control valves, main reducers, swing motors, engine assemblies, and other crucial co...
