Splined Coupling Fits JD | Aftermarket H128861.

Description:
Heavy-duty aftermarket splined coupling designed to replace OEM H128861 on John Deere combines. Engineered to withstand the torque and load of unloading auger systems while providing reliable connection between shafts.

Type: Splined coupling (donut style) – unloading auger drive
Replaces OEM: H128861
Function: Connects the vertical unloading auger shaft or drive end of the horizontal unloading auger to the drive system. Maintains spline engagement under load to transmit torque smoothly and reduce wear in the grain discharge system.
SKU: DCP-H128861
Dimensions: Outer diameter approx. 108.6 mm; 19-spline internal coupling. Other bore length and spline depth must be confirmed per machine serial number.
Weight: Not officially published — list as “weight available on request”.
Value: Factory to Farmer pricing — tough build, honest price
Fits Models: John Deere combines such as CTS, CTS II, 6620, 6622, 7720, 7721, 8820, 9400, 9410, 9450, 9500, 9500 SH, 9510, 9550, 9600, 9650, 9660, 9680 WTS and others — confirm serial-specific fitment.

🚚 Delivery Time

Nationwide delivery in 3–5 business days.

🔁 Returns & Refunds

At Discount Combine Parts, we’re here to keep your operation running. If something’s not right, we’ll help make it right.

✅ Eligible Returns

• Unused, original condition
• Within 30 days of delivery
• Proof of purchase required
• Pre-approved by our team

⚠️ Some electrical/custom parts may not be returnable — check before buying.

🛠 Faulty or Damaged?

• Report within 7 days
• Include photos or video
• If confirmed, we’ll cover return shipping and offer a replacement, repair, or refund (per Australian Consumer Law)

🚫 Not Returnable

• Used/installed parts
• Items without prior approval
• Damage from incorrect use
• Sale/clearance items (change of mind)

📦 Start a Return
Email support@discountcombineparts.com.au with:

• Order number
• Reason for return
• Photos (if needed)

We’ll reply with next steps.

💵 Refunds
Processed to your original payment method within 5–10 business days after inspection.

Need help? Just reach out — that’s the Factory to Farmer difference.

Let me know if you'd like a version for social media, packaging inserts, or your Shopify store!

All parts listed on this website are aftermarket replacements and not original equipment manufacturer (OEM) products.
Any part numbers, brand names, or images are used strictly for reference purposes only.

At Discount Combine Parts, we supply premium-quality aftermarket components sourced directly from trusted factories. Our goal is simple — deliver top-tier performance at unbeatable value, Factory to Farmer