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Complete John Deere S780 HD Vertical Auger Gearcase Rebuild | ROCKY Returns & More Repairs

Complete John Deere S780 HD Vertical Auger Gearcase Rebuild | ROCKY Returns & More Repairs ZK MasterTech

23.6K views - 3 days ago

Coolant in the Intake?! John Deere 9530T EGR Failure + 8R 370 Diagnosis

Coolant in the Intake?! John Deere 9530T EGR Failure + 8R 370 Diagnosis ZK MasterTech

37.7K views - 4 months ago

We Found MORE Damage Than We Expected...

We Found MORE Damage Than We Expected... ZK MasterTech

25.2K views - 1 week ago

The Damage Was Worse Than We Thought! Getting Two X9's Ready for Wheat Harvest.

The Damage Was Worse Than We Thought! Getting Two X9's Ready for Wheat Harvest. ZK MasterTech

51.9K views - 1 month ago

I Finally Named the S680 That Just Won’t Quit

I Finally Named the S680 That Just Won’t Quit ZK MasterTech

27.3K views - 2 weeks ago

I Left for a Week... This Is What I Came Back To

I Left for a Week... This Is What I Came Back To ZK MasterTech

53.2K views - 1 month ago

The Most EPIC Moments of Spring Service Calls 2026!

The Most EPIC Moments of Spring Service Calls 2026! ZK MasterTech

20.4K views - 1 month ago

This John Deere 9630 Axle Was Failing — Here’s How We Caught It in Time

This John Deere 9630 Axle Was Failing — Here’s How We Caught It in Time ZK MasterTech

2.7M views - 4 years ago

9RX 640 Tear Down Continues — The Rear Differential Damage is Unreal

9RX 640 Tear Down Continues — The Rear Differential Damage is Unreal ZK MasterTech

97.8K views - 4 months ago

FIRST START! After injectors and timing cover were replaced.

FIRST START! After injectors and timing cover were replaced. ZK MasterTech

51.2K views - 2 years ago

Memorial Day Emergency Service Call! 9620RX Pump Stack Failure?

Memorial Day Emergency Service Call! 9620RX Pump Stack Failure? ZK MasterTech

46.9K views - 1 month ago

Learn how a John Deere R134a air conditioning system works! We are busting out the simulator!

Learn how a John Deere R134a air conditioning system works! We are busting out the simulator! ZK MasterTech

23.1K views - 2 years ago

One Last Push to Finish These John Deere X9s!

One Last Push to Finish These John Deere X9s! ZK MasterTech

37.2K views - 3 weeks ago

The WORST John Deere Damper Failure I’ve Ever Seen!

The WORST John Deere Damper Failure I’ve Ever Seen! ZK MasterTech

47.5K views - 1 month ago

Storm WRECKS Two John Deere Tractors… 6 Breakdowns

Storm WRECKS Two John Deere Tractors… 6 Breakdowns ZK MasterTech

52.5K views - 2 months ago

Spring time service calls...never a dull moment with John Deere tractors!

Spring time service calls...never a dull moment with John Deere tractors! ZK MasterTech

94.3K views - 4 years ago

This 80,000 LB Beast Is Powered by a John Deere 13.6L 💪🔥

This 80,000 LB Beast Is Powered by a John Deere 13.6L 💪🔥 ZK MasterTech

43.7K views - 1 year ago

Service Call CHAOS! 😳 Massey Fire + Dead 9R in the Woods | Harvest ’25 #7

Service Call CHAOS! 😳 Massey Fire + Dead 9R in the Woods | Harvest ’25 #7 ZK MasterTech

97.3K views - 8 months ago

620HP 15.0L Cummins fuel system diagnosis. (Part 2)

620HP 15.0L Cummins fuel system diagnosis. (Part 2) ZK MasterTech

56.4K views - 2 years ago

John Deere 9560RT Hard Start FIXED – Timing Issues, Injector Replacement & Pro Tips

John Deere 9560RT Hard Start FIXED – Timing Issues, Injector Replacement & Pro Tips ZK MasterTech

90.9K views - 1 year ago