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Home > Construction & Mining Machinery Parts > China AT386392 Fan Drive Hydraulic Motor for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH Factory, Exporters
China AT386392 Fan Drive Hydraulic Motor for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH Factory, Exporters
China AT386392 Fan Drive Hydraulic Motor for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH Factory, Exporters
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China AT386392 Fan Drive Hydraulic Motor for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH Factory, Exporters
China AT386392 Fan Drive Hydraulic Motor for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH Factory, Exporters

China AT386392 Fan Drive Hydraulic Motor for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH Factory, Exporters

The AT386392 Fan Drive Hydraulic Motor (for John Deere Feller Buncher Track 803M 853M 859M & Gradeer motor 670G 672G 770G 772G 870G 872G & Harvester 803MH 853MH 859MH) is a dedicated fan drive hydraulic motor for John Deere equipment, commonly used in its heavy-duty construction and forestry machinery. Its core function is to precisely regulate cooling fan operation, ensuring stable equipment performance under demanding and complex working conditions. As an actuator within the hydraulic system, this product efficiently converts the hydraulic pressure energy delivered by the pump into mechanical energy at the output shaft to drive the fan. It eliminates the fixed linkage between fan speed and engine RPM, allowing fan speed adjustment based on actual temperature demands during operation. Additionally, select compatible models support reverse fan rotation to clear dust and debris from radiator surfaces, preventing cooling component blockages. This ensures optimal cooling efficiency while reducing operational noise and energy consumption, meeting the demand for intelligent, high-efficiency cooling systems in heavy machinery.

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Product Description

Product Overview

AT386392 is an OEM-matched component for multiple John Deere heavy equipment models, primarily targeting core machines in forestry and engineering applications. Commonly matched models include the John Deere 853M and 859M tracked skidders, as well as the 670G, 672G, 770G, 772G, and 870G series motor graders. Operating in harsh environments with high engine loads, these machines demand exceptional thermal stability. AT386392 precisely integrates with their hydraulic systems to ensure uninterrupted operation.
As an original John Deere replacement part, its installation dimensions, hydraulic interfaces, and other parameters perfectly match compatible models without requiring additional modifications. Engineered for complex environments like rugged forest terrain and dusty construction sites, its internal structure employs wear-resistant materials and precision flow distribution to withstand pressure shocks and contaminant impacts.

Specifications

Part Name Fan Drive Hydraulic Motor Part Number AT386392
Origin China Quality OEM-grade
Weight 37.6 lb Height 6.5 in
Width 7.25 in Length 10.75 in

Application Fields

Forestry Harvesting Sector

Used in John Deere 853M and 859M tracked feller bunchers. The motor drives the fan to adjust speed, efficiently dissipating heat. Its reverse rotation function clears wood chips and dust from the radiator surface, preventing clogged cooling passages during large-scale logging operations.

Engineering Infrastructure

Compatible with 670G and 672G motor graders for rural roadbed leveling and site preparation. It precisely matches equipment cooling demands, balancing thermal efficiency and energy consumption for uninterrupted operation.

Mining & Large-Scale Projects

Fits 770G, 772G, and 870G graders for highway site leveling and logistics parks. It manages thermal stress during prolonged, high-load operations while reducing operational noise through intelligent speed regulation.

Compatible Models

Feller Buncher (Track) 803M, 853M, 859M
Motor Grader 670G, 672G, 770G, 772G, 870G, 872G
Harvester 803MH, 853MH, 859MH

Frequently Asked Questions

What is the AT386392 Fan Drive Hydraulic Motor?
It is a genuine replacement part that converts hydraulic energy into mechanical energy to drive fans in heavy equipment. It achieves precise cooling by adjusting speed and supports reverse dust removal.
Which John Deere models is the AT386392 compatible with?
It primarily fits forestry models like the 853M and 859M tracked skidders, and motor graders like the 670G, 672G, 770G, 772G, and 870G series.
What are the core functions of this hydraulic motor?
First, it drives fans to dissipate heat from the engine and hydraulic systems. Second, it enables reverse rotation to clear debris like wood chips and dust from radiator surfaces.
What is the operating temperature range?
The operating temperature range is -30°C to 80°C, making it suitable for both cold northern forestry sites and hot summer construction sites.
How can AT386392 be maintained to extend its service life?
Regularly replace hydraulic fluid and use genuine filters every six months. Avoid non-genuine parts and check mounting tightness and radiator cleanliness before and after operation.
When should the AT386392 Fan Drive Hydraulic Motor be replaced?
Consider replacement if there is frequent oil leakage, abnormal noise, reduced cooling efficiency, or when the motor exceeds its standard 5000-hour operational lifespan.

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