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 ZK MasterTech

37.7K views - 4 months ago

Worst Equipment Carnage I've Ever Seen ZK MasterTech

123.5K views - 6 months ago

S790 Inspection Masterclass – Everything You Need to Know ZK MasterTech

38.2K views - 1 year ago

Learn how to inspect a John Deere S-Series Combine! ZK MasterTech

125.5K views - 4 years ago

Chasing Harvest Breakdowns | Service Calls Across Multiple Days (EP. 1) ZK MasterTech

32.7K views - 10 months ago

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. ZK MasterTech

51.9K views - 1 month ago

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

20.4K views - 1 month ago

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

90.9K views - 1 year ago

Major Combine Repairs in the Heat of Harvest! Good ol' 70 Series combine, Got to love it! ZK MasterTech

73.4K views - 10 months ago

8RX 410 track, 9360R Radiator, X9 Issues & S780 Electrical Gremlins | Harvest 2025 Service Calls 4 ZK MasterTech

53.2K views - 9 months ago

Major separator damage! Removing a rotor out of a John Deere S770 combine. (Part 1) ZK MasterTech

561.2K views - 3 years ago

Small Problem, HUGE Repair — Intake Valve Failure on a 9.0L ZK MasterTech

62.1K views - 7 months ago

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

53.2K views - 1 month ago

After NFMS 2026 and Fixing an S790, This 9RX 640 Showed Up Destroyed ZK MasterTech

67.7K views - 5 months ago

The 8320 That REFUSES to Run! ZK MasterTech

91.3K views - 7 months ago

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

37.2K views - 3 weeks ago

Fuel Pump Failure, DEF Issues & X9 Breakdowns | Harvest Service Calls 2025 Ep. 3 ZK MasterTech

58.4K views - 9 months ago

John Deere S770 Combine | Major Feederhouse Rebuild, Hydraulic Fixes & PowerCast Upgrades ZK MasterTech

35.9K views - 11 months ago