John Deere Viscous Fan Clutch 8420 8420T RE184071 | Raim Store

Viscous Fan Clutch for John Deere Tractors 8420 8420T Ref RE184071 - 74712517

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74712517

Engine cooling fan viscous clutch part number 74712517 for John Deere agricultural tractors model 8420 (up to serial number 15166) and 8420T (up to serial number 902387). Direct cooling system replacement manufactured to match original equipment specifications, fully compatible with OEM part number RE184071.

Out of Stock
€479.00
Tax included
COUPON
- € 9,58
Final price: € 469,42
Quantity

Estimated to ship on 11 October 2026
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John Deere Viscous Fan Clutch - Part Number: 74712517

The Viscous Fan Clutch (part number 74712517, original John Deere OEM reference RE184071) is a high-precision thermodynamic fan drive engineered to automatically modulate radiator cooling fan speed based on engine coolant temperatures. It delivers optimum thermal balance and significantly reduces parasitic engine drag on heavy-duty wheeled and tracked John Deere 8020/8020T Series tractors (models 8420 up to serial number 15166 and 8420T up to serial number 902387).
Key Features & Benefits
  • Thermodynamic Automated Engagement: Thermosensitive internal silicone fluid smoothly engages the fan blades only when necessary, preventing overheating during intense draft operations.
  • Fuel Economy & Drag Reduction: Eliminates continuous fan drag under moderate engine temperatures, freeing engine horsepower, lowering fuel consumption, and damping fan noise.
  • Heavy-Duty Reliability: Engineered with reinforced bearings and high-grade seals built to endure harsh agricultural environments, severe vibration, and fine field dust.
  • Exact Direct OEM Fitment: Fabricated strictly to original John Deere RE184071 bolt patterns, pilot dimensions, and dynamic balance specifications.
Technical Specifications
Product Code 74712517
Component Type Viscous fan clutch / Thermostatic fan drive
Engagement Mechanism Thermodynamic progressive torque transfer via silicone fluid
John Deere OEM Reference RE184071
Application Table & Compatible John Deere Models
Tractor Series Specific Model Serial Number Break (Chassis / Serial No.) OEM Reference
8020 Series 8420 Up to serial number → 15166 RE184071
8020T Series (Tracked) 8420T Up to serial number → 902387
Technical Note: Always store and handle the viscous clutch in an upright/vertical position prior to assembly to prevent silicone fluid displacement. Verify tractor serial number breaks (8420 up to s/n 15166; 8420T up to s/n 902387) and confirm match with John Deere OEM part number RE184071.
: 74712517
Out of Stock

Specific References

MPN
74712517

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