John Deere Gathering Chain 600 Series - S/N 745101 & Up | Modified CA620M | AH234578

SKU: JD600 | Part #: CA620M-48-C6E-8

✅ UPDATED 600 SERIES: FOR SERIAL NUMBER 745101 AND LATER ✅

🔧 MODIFIED CA620M CHAIN WITH ROWMAX UPDATE 🔧

💎 ALSO AVAILABLE WITH CHROME PINS FOR EXTENDED LIFE 💎

For S/N 745100 & below (original 600 series), see our Early 600 Series chain (AH2028978)

Updated Gathering Chain for John Deere 600 Series Corn Heads (RowMax Models)

Engineered specifically for updated John Deere 600 series corn heads manufactured with serial numbers 745101 and later, this gathering chain features the modified CA620M chain design required for the RowMax gathering system update. Built with extreme-duty construction using special high-strength heat-treated components and solid roller design, it delivers reliable crop collection and consistent performance with the updated 8-tooth sprocket configuration.

Key Features

• 🆕 Modified CA620M Chain - Specifically designed for RowMax updated 600 series models
• RowMax Compatible - Works with updated 8-tooth sprocket configuration (S/N 745101 & up)
• Extreme-Duty Construction - High-strength heat-treated components with solid roller design
• 8 Gathering Lugs (C6E Attachments) - Spaced every 9.92" for optimal crop gathering
• 48 Links Long - Total length: 79.39"
• Enhanced Performance - Designed for improved gathering efficiency with RowMax system
• 💎 Chrome Pin Option Available - Upgrade to chrome pins for 2x longer service life (contact us for pricing)

Chrome Pin Upgrade Option

Want even longer service life? This chain is also available with premium chrome pin construction that provides twice the durability of standard pins. Chrome pins offer superior wear resistance and corrosion protection, making them ideal for high-volume operations and demanding conditions. Contact us at 815-973-2648 or info@farmchains.com for chrome pin pricing and availability.

Understanding the RowMax Update

Starting at serial number 745101, John Deere introduced the RowMax gathering system update to the 600 series corn heads. This update included modified sprockets and required a different gathering chain design - the CA620M (Modified). This chain is NOT interchangeable with the earlier CA620 chain used on S/N 745100 and below.

Compatible Equipment - Updated 600 Series (S/N 745101 & Later)

Fits John Deere 600 Series Corn Heads (Serial Number 745101 and Up):

• 606C, 608C, 612C, 616C, 618C (S/N 745101 & up)
• All other 600 series models with RowMax update EXCEPT 643 and 693

⚠️ CRITICAL COMPATIBILITY NOTE:

• This chain is for S/N 745101 and LATER only
• Requires RowMax update with 8-tooth sprockets
• Does NOT fit models 643 or 693
• For S/N 745100 & below: These units use the original CA620 chain (AH2028978, AH233139, AH233138)
• Always verify your corn head serial number before ordering

Replaces OEM Part

• John Deere: AH234578

Technical Specifications

• Chain Type: CA620M (Modified) Extreme-Duty
• Pin Options: Standard or Chrome (contact for chrome pin pricing)
• Number of Links: 48
• Total Length: 79.39"
• Gathering Lugs: 8 C6E Attachments
• Lug Spacing: 9.92"
• Roller Design: Solid Roller for Maximum Durability
• Components: High-Strength Heat-Treated Steel
• Weight: 12.14 lbs
• Application: John Deere 600 Series with RowMax Update (S/N 745101 & up)
• Sprocket Configuration: 8-Tooth (RowMax Update)

Understanding 600 Series Chain Compatibility

John Deere made a significant update to the 600 series corn heads at serial number 745101, introducing the RowMax gathering system with updated sprockets and a modified chain design. This created two distinct configurations that are NOT interchangeable:

The Premium Difference

This AH234578 gathering chain assembly features the modified CA620M chain construction specifically engineered for the RowMax gathering system. Assembled using special high-strength heat-treated components with a solid roller design, it delivers increased performance and durability with the updated 8-tooth sprocket configuration. This chain is essential for maintaining optimal gathering efficiency on updated 600 series corn heads.

How to Verify Your Serial Number & Configuration

1. Locate the serial number plate on your corn head
2. Check if your serial number is 745101 or higher (use this CA620M chain)
3. Verify you have the RowMax update with 8-tooth sprockets
4. If your serial number is 745100 or lower, you need the original CA620 chain (AH2028978)
5. If unsure, contact us for assistance - we're here to help!

Need Help or Want Chrome Pin Pricing? Call us at 815-973-2648 or email info@farmchains.com - We're available 24/7 to help you verify your serial number, confirm your RowMax configuration, discuss chrome pin upgrade options, and ensure you get the correct chain for your specific corn head model.