Keep Your Green Machine Breathing Clean: John Deere DOC OEM RE566858
What is it?
The John Deere Diesel Oxidation Catalyst (DOC) OEM RE566858 is a critical part of your exhaust aftertreatment system. It helps reduce carbon monoxide and hydrocarbons in the exhaust stream, preparing gases for efficient treatment downstream—ensuring cleaner operation of your John Deere equipment.
Why choose OEM RE566858?
This DOC is built to John Deere OEM standards, ensuring the right fit and functionality for your equipment. Whether you're maintaining uptime in agriculture, construction, or forestry, this DOC helps extend engine life, improve fuel efficiency, and support reliable regeneration of the exhaust system.
Key Benefits
✅ OEM-grade construction for dependable fit and performance
✅ Supports proper operation of downstream components like DPF
✅ Helps improve fuel economy by reducing exhaust backpressure
✅ Reduces smoke and contributes to cleaner exhaust flow
✅ Engineered for the harsh environments John Deere machines operate in
Applications
The RE566858 DOC is ideal for various John Deere models using compatible engines and aftertreatment systems. It’s well-suited for tractors, loaders, harvesters, and other heavy-duty equipment used in demanding field and jobsite conditions.
Installation Notes
Allow the exhaust system to cool fully before removing the old DOC. Inspect gaskets, clamps, and sensors and replace if necessary. Use proper torque specs and verify proper installation with a post-replacement regen cycle or diagnostic scan if applicable.
Final Thoughts
Don’t let a restricted DOC slow down your equipment. The John Deere OEM RE566858 from Tamerx restores proper exhaust flow, supports smooth operation, and helps keep your machine running strong—season after season.