ZK MasterTech
111K subscribers
Welcome to ZK MasterTech. Follow Master John Deere Ag Technician Zeth Key as he takes you behind the scenes of diagnosing, repairing, and rebuilding some of the most advanced farm equipment in the world. From massive 9RX tractors to S-Series combines, this channel shows the real work required to keep modern agriculture moving. Zeth is a 2007 Automotive Graduate of WyoTech in Laramie, Wyoming and a 2023 WyoTech Hall of Fame Inductee. He currently works for Sloan Implement in Atwood, Illinois, bringing over 16 years of experience servicing and repairing John Deere equipment across central Illinois. ZK MasterTech gives viewers an inside look at the technical side of agriculture — real diagnostics, field service calls, major repairs, and the problem-solving it takes to keep farmers running. If you enjoy seeing big iron torn down, diagnosed, and put back to work, you’re in the right place. Subscribe and follow along as we keep that green iron moving! 🔧💚
This X9 Track EXPLODED During Harvest…
ZK MasterTech · 173K views · 6 days ago
Two Places Hydraulic Oil Should NEVER Be in an S-Series Combine!
ZK MasterTech · 76K views · 1 month ago
Worst Equipment Carnage I've Ever Seen
ZK MasterTech · 188K views · 8 months ago
S790 Cleaning Shoe Alignment — Why Your sieve frame is rubbing hard to one side.
ZK MasterTech · 37K views · 1 year ago
640HP John Deere 9RX Catastrophic Failure… FULL REBUILD
ZK MasterTech · 248K views · 5 months ago
Small Problem, HUGE Repair — Intake Valve Failure on a 9.0L
ZK MasterTech · 65K views · 9 months ago
One Last X9 to Get Ready for Harvest… And It's a BIG One!
ZK MasterTech · 60K views · 13 days ago
If This Isn’t PERFECT… 640 HP Will Destroy This 9RX Axle
ZK MasterTech · 94K views · 6 months ago
John Deere S680 Rotor Variable Drive & Reel Pump rebuild.
ZK MasterTech · 182K views · 4 years ago
X9 Turbo Leak, S780 Transmission and separator clutch Failure, X9 hits a pole with unloading auger!
ZK MasterTech · 50K views · 11 months ago
John Deere X9 1100 track drive sprocket failure.
ZK MasterTech · 478K views · 1 year ago
Memorial Day Emergency Service Call! 9620RX Pump Stack Failure?
ZK MasterTech · 50K views · 4 months ago
S680 gets new swing arms! (Cleaning shoe repairs done RIGHT!)
ZK MasterTech · 119K views · 4 years ago
This John Deere 8370R Wouldn’t Come Out of Park — Here’s What Failed Inside the IVT
ZK MasterTech · 537K views · 4 years ago
Replacing a Failed 12.5L — John Deere 9520 Complete Block Build
ZK MasterTech · 89K views · 8 months ago
This John Deere 9630 Axle Was Failing — Here’s How We Caught It in Time
ZK MasterTech · 2.7M views · 4 years ago
Oil Pressure Was “In Spec”… Then This 9520 Engine Destroyed Itself
ZK MasterTech · 162K views · 9 months ago
This Legendary 9870 STS Had Some SERIOUS Problems! | Old Iron Meets NEW Milwaukee Tools
ZK MasterTech · 40K views · 1 month ago
Oops... S780 Took Out a Power Pole | Auger & Swing Cylinder Fix
ZK MasterTech · 84K views · 1 year ago