John Deere® Compatible High Wear Threshing Element Kit (Position 1)
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 TriStream™ or Bullet™ rotors, this kit is the professional solution for repairing worn components positioned directly on the front surface of the front cone assembly.
This high-performance kit contains a matched set of three replacement elements that are precision-manufactured and fully hardened to handle the intense mechanical pressure of processing high-volume crops. Suitable for both grain and corn harvesting, this extended wear setup offers superior abrasion resistance compared to standard parts. This strategic refurbishment ensures your rotor remains in top condition, delivering excellent material breakdown while offering a significantly longer service life.
John Deere® OEM Cross-Reference & Location
- Replaces OEM Part Numbers: AH216674, A-AH216674
- Casting Number Reference: H212563
- Rotor Mounting Zone: TriStream™ or Bullet™ Rotor — Dedicated Position 1 (Rotor Cone Front Surface)
High Wear Threshing Element Compatibility: John Deere STS & S-Series
| Series |
Models |
Specification |
| John Deere® STS 50 Series |
9650STS, 9750STS |
Rotor Position 1 Only |
| John Deere® STS 60 Series |
9660STS, 9760STS, 9860STS |
Rotor Position 1 Only |
| John Deere® STS 70 & 80 Series |
9670STS, 9770STS, 9870STS, 9880STS |
Rotor Position 1 Only |
| John Deere® S6 Series |
S650, S660, S670, S680, S690 |
Rotor Position 1 Only |
| John Deere® S7 Series |
S770, S780, S790 |
Rotor Position 1 Only |
T
echnical Specifications & Features
- Quality Grade: Premium quality high-wear aftermarket replacement kit.
- Material Tech: Fully hardened steel construction for superior impact protection.
- Crop Versatility: Engineered for optimal separation performance in both grain and corn.
- Kit Contents: Supplied as a set of 3 components complete with all required mounting hardware.
- Refurbishment Value: Direct replacement to repair worn components at the initial threshing entry point.
- Dispatch: Available for fast Australia-wide shipping from Collier & Miller.
Expert Maintenance Review
The threshing elements located at Position 1 on the front cone face take the brunt of the primary crop material impact immediately following the product feeding system. Constant exposure to incoming material, unthreshed seed heads, and abrasive crop dust causes standard factory elements to experience extreme abrasion thinning. When these lead elements round off or pit, material transition slows down, creating unneeded rotor drag. We recommend evaluating the element tooth edges and checking for structural wear during every off-season preventative maintenance window.
Upgrading to this hardened high wear element kit is an excellent investment to save money on long-term running costs. The premium hardened shell maintains its structural sharpness much longer than standard steel elements, maintaining perfect material agitation right as it hits the concaves and keeping your complete rotor assembly working in top condition.
Installation Tip: Balanced Weight Alignment
When repairing worn components on a TriStream™ or Bullet™ rotor cone, it is critical to replace all three lead elements at Position 1 together using the provided hardware. Mixing new elements with worn parts creates an immediate rotational mass imbalance, inducing severe harmonic vibrations that can cause structural fatigue or destroy the primary rotor bearings. Thoroughly clear the mounting surface scale before bolting down to secure a flat, high-strength fitment.