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Description
Air Conditioning Update Kit for International 66 to 86 SeriesUpdates International 66 Series Tractors to 86 Series Standards If you're running a International 1066, 1466, 1566, 766, or 966 tractor, you already know the 66 Series A C system is aging and parts are getting harder to find. The good news: a complete bolt on upgrade kit exists that brings your cooling system up to 86 Series standards, with a modern Sanden compressor at the heart of it. What's Included in the Kit (SKU: QFS 990 3566) This kit is a
Updates International 66 Series Tractors to 86 Series Standards
If you're running a International 1066, 1466, 1566, 766, or 966 tractor, you already know the 66 Series A/C system is aging — and parts are getting harder to find. The good news: a complete bolt-on upgrade kit exists that brings your cooling system up to 86 Series standards, with a modern Sanden compressor at the heart of it.
What's Included in the Kit (SKU: QFS-990-3566)
This kit is a comprehensive, all-in-one solution. Everything you need for a complete conversion is in the box:
- Sanden Conversion Kit — replaces the original York or Tecumseh compressor with a modern, efficient Sanden rotary compressor
- 86 Series Evaporator — updated evaporator core matched to the new system
- 86 Series Condenser and Line Kit — upgraded condenser with all necessary lines and fittings
- 86 Series Oil Cooler — keeps hydraulic temps in check alongside the A/C upgrade
- Mounting Brackets — bolt-on fitment, no fabrication required
- Belt — sized for the Sanden compressor
- Thermostatic Switch — controls evaporator temperature to prevent freeze-up
- Condenser Mounted Binary Switch — protects the system from high/low pressure extremes
Compatible Tractor Models
This kit is designed to fit the following International tractor models:
- International 766
- International 966
- International 1066
- International 1466
- International 1566
Why Upgrade to the 86 Series A/C System?
The original 66 Series A/C systems used older York or Tecumseh piston compressors — heavy, inefficient, and increasingly difficult to source parts for. The Sanden rotary compressor used in this kit offers several key advantages:
- Lighter weight — less parasitic load on the engine
- More efficient cooling — better heat exchange at lower RPMs, which matters during field work
- R134a compatible — works with the modern, readily available refrigerant standard
- Widely serviceable — any shop with modern A/C equipment can service a Sanden system
Installation Notes
This is a bolt-on kit designed for the 66 to 86 Series conversion — no custom fabrication is required. However, as with any A/C conversion, we recommend:
- Flushing the system thoroughly before installing new components
- Replacing all O-rings with HNBR (green) O-rings compatible with R134a
- Using the correct PAG oil for the Sanden compressor — do not mix with old mineral oil
- Having the system evacuated and recharged by a certified technician with R134a equipment
If you're unsure whether this kit fits your specific tractor configuration, contact our team — we're happy to help confirm fitment before you order.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy