

The John Deere Tractor 4066M is a versatile and powerful agricultural asset designed for efficiency and reliability. Ideal for various farming tasks, this tractor combines advanced technology with robust performance, ensuring optimal productivity in the field. Experience superior handling and durability with the John Deere 4066M.
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Get instant access to all the maintenance information you need. Empower technicians to perform preventive maintenance with asset packages, ready to use right out of the box.
Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more
Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more
Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Access the parts list for your equipment in MaintainX.
Drive Motor
B2 Rollers
Tensioning System
+ 40 more

John Deere Tractor 4066M
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Integrate maintenance plans directly into your work orders in MaintainX.
1000 Hourly Maintenance
Warning: This maintenance check requires trained personnel with PPE!
Engine valve clearance checked
If engine valve clearance is not checked, report the issues to the maintenance team and stop the procedure
Choose the type of coolant service done
Engine's hour meter reading
Engine passed the post-maintenance test?
Issues found during the test
Sign off on the engine maintenance
10 Hourly / Daily Maintenance
Test safety systems.
Testing Rear PTO Switch
1. Sit on operator’s seat.
2. Lock park brake.
3. Move transmission to neutral position:
● PRT—Depress clutch pedal completely and move the transmission range and gear shift levers to the N (neutral) position.
● HST—Move the range shift lever to the N (neutral) position.
4. Pull PTO engagement switch to the on position.
5. Turn key switch to the start position.
10 Hourly Maintenance
Check cab rollover protection system mounting hardware torque
Check windshield wiper arm mounting hardware torque
Check wheel bolt torque
200 Hourly Maintenance
Engine oil and filters changed
Alternator belt/fan checked and adjusted
Air conditioner compressor belt checked and adjusted (if equipped)
Air restriction indicator light checked
400 Hourly Maintenance
Transmission oil and filters changed?
Front PTO gearbox oil (JD20D) and oil filter replaced, if equipped?
Primary fuel filter checked?
Water and sediment drained from fuel sediment bowl, and water separator serviced (or every year)?
Final fuel filter replaced (or every year)?
Sign off on the 400 Hourly Maintenance
MaintainX CoPilot is your expert colleague, on call 24/7, helping your team find the answers they need to keep equipment running.
Reduce Unplanned Downtime
Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
Maximize Asset Availability
Keep your assets running longer and more reliably, with standardized maintenance workflows from OEM manuals.
Lower Maintenance Costs
Turn any technician into an expert to streamline operations, maintain more assets, and reduce overall costs.
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