John Deere® Compatible High Wear Threshing Element Kit (Extended Wear)
Optimise your threshing and separation efficiency with this premium aftermarket high wear threshing element kit. Specifically engineered for popular John Deere® combine harvesters equipped with Tri-Stream™ (Bullet™) and VariableStream™ rotors, this high-performance kit is the professional solution for repairing worn components across the primary material breakdown sections.
This kit contains a matched set of three replacement elements that are precision-manufactured and fully hardened to withstand the intense friction and ongoing force of heavy harvesting operations. Engineered for consistent throughput in both grain and corn fields, this high-strength setup delivers exceptional abrasion resistance compared to basic standard parts. This strategic refurbishment ensures your entire rotor layout stays in top condition, maintaining high-velocity crop agitation while providing a reliable longer service life.
John Deere® OEM Cross-Reference & Location
- Replaces OEM Part Numbers: AH216678, A-AH216678
- Component Core Marking: AH215532
- Tri-Stream™ / Bullet™ Rotor Mounting: Dedicated fitment for Positions 3, 4, and 5.
- VariableStream™ Rotor Mounting: Versatile fitment across Positions 1, 2, 3, 4, and 5.
High Wear Threshing Element Compatibility: John Deere STS & S-Series
| Series |
Models |
Serial Range / Year |
| John Deere® STS 50 Series |
9650STS, 9750STS |
Standard Fitment |
| John Deere® STS 60 Series |
9660STS, 9760STS, 9860STS |
Serial Number 712198 and onwards |
| John Deere® STS 70 Series |
9670STS, 9770STS, 9870STS |
Standard Fitment |
| John Deere® S6 Series |
S650, S660, S670, S680, S690 |
Standard Fitment |
| John Deere® S7 Series |
S760, S770, S780, S790 |
Standard Fitment |
Technical Specifications & Features
- Quality Grade: Premium quality high-wear aftermarket replacement kit.
- Material Tech: Fully hardened metal structure for maximum impact protection.
- Crop Versatility: Configuration-optimised for clean separation in both corn and cereal grains.
- Kit Contents: Supplied as a set of 3 components complete with all required mounting hardware.
- Refurbishment Value: Direct replacement to repair worn components and prevent threshing loss.
- Dispatch: Available for fast Australia-wide shipping from Collier & Miller.
Expert Maintenance Review
The threshing elements positioned along the middle and rear stations of the rotor handle a continuous stream of compressed crop material moving from the initial product feeding system. Constant exposure to flying seed heads and abrasive plant particles causes standard profiles to experience ongoing abrasion thinning. When these tooth configurations wear flat, the rotor loses its ability to separate grain cleanly, driving up grain carry-over out the rear of the machine. We recommend analyzing the structural thickness of your elements during every pre-harvest preventative maintenance check to identify worn components early.
Upgrading to this hardened element kit is a strategic choice to save money on seasonal maintenance overheads. Keeping clean, distinct tooth faces reduces the overall power draw on your main drive belts, ensuring the threshing chamber processes high-yielding crops smoothly while keeping your entire rotor in top condition for an extended wear cycle.
Installation Tip: Dynamic Rotor Balance
When repairing worn components across any single station of a TriStream™ or VariableStream™ rotor, it is critical to replace all three elements together around that specific section's circumference using the provided hardware. Intermixing new elements with worn ones creates a major rotational mass imbalance, leading to severe harmonic vibrations that can ruin the primary rotor bearings. Clean out all old crop residue and scale from the mounting seats to secure a level, high-strength mechanical fitment.