ZK MasterTech - Invidious

ZK MasterTech

Welcome to the ZK MasterTech! See what it's like to dive into the world of a Master John Deere Ag Technician, Zeth Key. A 2007 Automotive Graduate of Wyotech in Laramie, WY and 2023 WyoTech Hall of Fame Inductee now finds himself working on John Deere diesel tractors and combines in the farm lands of central Illinois.
Working for Sloan Implement in Atwood, IL for over a decade, Zeth has seen just about every failure your John Deere equipment can have. Subscribe to ZK MasterTech to see what it's like to repair some of the most advanced farm machinery you can buy!
Being a John Deere technician is one of the most rewarding and challenging careers you can get into. Just like the whole industry, companies in AG have a hard time finding talented, experienced people. Hopefully this channel will show the world the technical side of agriculture and what it takes to keep the farmers going and to inspire a younger generation to pick up a wrench a start a great career with Sloan Implement!

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1:02:08

From Head Install to First Start — Can This 9.0L John Deere S670 Run Again?

ZK MasterTech

Shared 6 days ago

31K views

46:48

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

ZK MasterTech

Shared 1 week ago

47K views

1:13:45

S670 Engine REMOVAL & Tear-Down… You Won’t Believe What I Found Inside!

ZK MasterTech

Shared 2 weeks ago

82K views

44:59

The 8320 That REFUSES to Run!

ZK MasterTech

Shared 3 weeks ago

67K views

51:40

Rear Drive GONE… 9RX Would Only Pull With the Front Tracks

ZK MasterTech

Shared 1 month ago

60K views

1:00:28

It Ate Something BAD… 💥 Shop Carnage + Harvest Fixes!

ZK MasterTech

Shared 1 month ago

73K views

45:27

9620RX MAJOR Oil Leak + 9520 Engine Lockup! Harvest Service Calls 9 ✅

ZK MasterTech

Shared 1 month ago

48K views

13:44

✅ 3 NEW Must-Have Milwaukee Tools That Are Game Changers in the Ag Shop!

ZK MasterTech

Shared 1 month ago

15K views

39:26

9R breakdowns & S670 engine Backfires Through the Intake — She’s About to Blow!

ZK MasterTech

Shared 1 month ago

73K views

47:55

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

ZK MasterTech

Shared 2 months ago

77K views

57:03

⚠️ S780 won’t swing unloading auger | 💪 8310R hard steering | 🔥 The X9 Strikes Again!

ZK MasterTech

Shared 2 months ago

39K views

41:51

X9 Turbo Leak, S780 Transmission and separator clutch Failure, X9 hits a pole with unloading auger!

ZK MasterTech

Shared 2 months ago

42K views

1:11:01

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

ZK MasterTech

Shared 2 months ago

43K views

1:00:43

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

ZK MasterTech

Shared 3 months ago

49K views

56:12

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

ZK MasterTech

Shared 3 months ago

60K views

40:17

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

ZK MasterTech

Shared 3 months ago

29K views

56:47

John Deere S680 Feeder House Floor, Augers & Driveshaft Repairs + S790 service call

ZK MasterTech

Shared 3 months ago

32K views

1:15:49

Farm Progress Show 2025, New MONSTER 9RX 770 + Game-Changing S780 Repair Tips

ZK MasterTech

Shared 3 months ago

26K views

23:33

One day we won't need operators in the driver's seat! New X9 with ultimate technology package!

ZK MasterTech

Shared 4 months ago

41K views

58:28

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

ZK MasterTech

Shared 4 months ago

31K views

48:12

First Look: John Deere S7 800 Through a Master Technician’s Eyes

ZK MasterTech

Shared 4 months ago

66K views

1:11:34

John Deere S790 sieve frame replacement & discharge beater fix — perfect shoe alignment achieved!

ZK MasterTech

Shared 4 months ago

31K views

54:03

Critical Repairs Before Harvest on this John Deere S790.

ZK MasterTech

Shared 5 months ago

43K views

36:45

Game-Changing Upgrade for John Deere S790! | Sloan Express Feed Accelerator Install

ZK MasterTech

Shared 5 months ago

41K views

1:28:20

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

ZK MasterTech

Shared 5 months ago

62K views

48:47

8295R 1500 MFWD Axle Seal Replacement + 8210 Rescue Mission!

ZK MasterTech

Shared 5 months ago

149K views

1:31:03

S790 Inspection Masterclass – Everything You Need to Know

ZK MasterTech

Shared 5 months ago

32K views

33:48

X9 Chopper Upgrade: Built to Handle Crop, Not Excuses

ZK MasterTech

Shared 6 months ago

27K views

50:19

Spring Rush is Over — X9 Repairs, Axle Seals, and Shop Carnage Begin

ZK MasterTech

Shared 6 months ago

31K views

31:31

9570R Field Fix, 3046R fuel sender, and a Shop Head-Scratcher on the 8360RT

ZK MasterTech

Shared 6 months ago

32K views

51:22

Pure Grit: 9100 ECU Hail Mary, Electrical Gremlins & Wrenching Past Sundown.

ZK MasterTech

Shared 7 months ago

41K views

29:50

Tractor Trouble: 8310RT Breakdown, 8370R CAN Faults, 9570RT Regen Issues – 9100’s Gone!

ZK MasterTech

Shared 7 months ago

39K views

45:46

Fixing Everything: 9570R, 9100, 8R 340, 4630 & Even My Truck!

ZK MasterTech

Shared 7 months ago

35K views

37:58

The 9100 Refuses to Run… and the 8R’s Fan Goes Full Turbo!

ZK MasterTech

Shared 7 months ago

37K views

33:11

Overrev, Regen Fails & Electrical Chaos | Deere Diagnostics Madness!

ZK MasterTech

Shared 8 months ago

46K views

32:51

AutoTrac FAILS on a 9R 590… and the 9530 Won’t Stop Throwing Codes 😤

ZK MasterTech

Shared 8 months ago

44K views

49:26

Big Repairs, Bigger Machines! | John Deere 8400R & 8R 370 Fixes

ZK MasterTech

Shared 8 months ago

62K views

56:45

🔧 Massive John Deere Repairs: 8400R Harness Headaches & 8360R ILS Overhaul!

ZK MasterTech

Shared 8 months ago

102K views

37:11

🔥 Stubborn Bolt Battle on a Mint 8310! + 9630 SCV Update & 8360R Prep

ZK MasterTech

Shared 8 months ago

71K views

45:06

EPIC John Deere Adventure! 🚜 9630, X9 1100, 8RX 410 & More in One Video!

ZK MasterTech

Shared 9 months ago

54K views

39:34

Tractors Everywhere... and They’re All Tore Apart! 😱 Spring Prep Madness Begins

ZK MasterTech

Shared 9 months ago

52K views

23:51

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

ZK MasterTech

Shared 9 months ago

40K views

34:55

8R 370 Gets More Air AND a Smoother Ride! Air Cleaner + Seat Fix

ZK MasterTech

Shared 9 months ago

41K views

27:51

How a Variable Pitch Fan Works… Until It Doesn’t 😬 | John Deere X9 Trouble

ZK MasterTech

Shared 10 months ago

28K views

41:18

S680 5-Speed Gear Case Rebuild & Install – Shifts Like Butter! (Part 2)

ZK MasterTech

Shared 11 months ago

28K views

44:50

John Deere S680 ProDrive: 5-Speed Feeder House Gear Case Failure & Full Tear Down

ZK MasterTech

Shared 11 months ago

46K views

45:41

John Deere 9R 640 Steering Issue – Load Sense Leak Diagnosed + Q&A

ZK MasterTech

Shared 1 year ago

41K views

50:27

2023 RAM 5500 Service Truck Tour – Built to Work with Stellar T-Max Crane

ZK MasterTech

Shared 1 year ago

55K views

36:59

The Worst Engine Vibration I’ve Ever Felt – 9510R Torsional Damper Failure

ZK MasterTech

Shared 1 year ago

110K views

35:37

Oops... S780 Took Out a Power Pole | Auger & Swing Cylinder Fix

ZK MasterTech

Shared 1 year ago

73K views

48:31

Harvest carnage updates and a John Deere 9620RX gets a new turbo.

ZK MasterTech

Shared 1 year ago

77K views

40:30

John Deere X9 1100 track drive sprocket failure.

ZK MasterTech

Shared 1 year ago

440K views

17:02

John Deere S780 will not crank, S670 & S770 transmission codes, X9 track drive sprocket failure!

ZK MasterTech

Shared 1 year ago

46K views

31:37

John Deere 8400T track tension cylinder repair

ZK MasterTech

Shared 1 year ago

51K views

30:17

New Stellar Industries storage cabinet - S680 & S780 combine repairs.

ZK MasterTech

Shared 1 year ago

26K views

28:08

Getting ready for Harvest 2024! John Deere X9, 8400T, S680, & S780

ZK MasterTech

Shared 1 year ago

49K views

58:49

John Deere S780 chopper damage.

ZK MasterTech

Shared 1 year ago

85K views

1:13:47

We got a Shop Dog CBX! Let's use it on a John Deere X9 1100!

ZK MasterTech

Shared 1 year ago

68K views

28:46

John Deere 9870 STS combine has engine oil in the cooling system. Learn how to fix it RIGHT!

ZK MasterTech

Shared 1 year ago

43K views

32:34

John Deere 6125R IVT low lube pressure codes Part 2.

ZK MasterTech

Shared 1 year ago

40K views