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John Deere 4066M Maintenance and Servicing

John Deere 4066M Periodic Maintenance

Every 10 Hours or Daily

Motor oil level checking. If after checking the engine oil level is low, top it up.

Check transmission fluid level. When transmission oil is low, add recommended volume.

Checking air filter element. Replace if necessary.

Check engine coolant level. If the coolant level is low, top it up.

Check engine speed, steering unit, hand brake and service brakes. Repair any malfunctions if necessary.

Every 50 Hours

Inspect tires and check inflation pressure. If required, add air to tires.

Check the battery. Clean battery terminals if necessary.

Checking the oil in front axle. Add oil if necessary.

Check the hydraulic oil level in system. Add if required.

Lubricate rear and front axle hub bearings.

Inspect the front and rear wheels. Tighten bolts and nuts as required.

Every 200 hours

Change engine oil. Motor oil type: Plus-50, Torq-Gard Supreme, SAE 10W-40, 15W-40, 5W-30 API Service Classification CJ-4, or CK-4. Lubricating system capacity - 5.4 L (1.4 gal). When the procedure is complete, check the engine oil level.

Replacing engine oil filter. Oil filter part number: M806419. When change the filter, cleaning the housing is required. After installation, checking the oil level is recommended. Add oil if necessary.

Remove dirt from radiator fins with a brush.

Inspect alternator/fan belt. Replace if necessary.

Check the torque of the wheel bolts.

Every 400 Hours

Transmission/hydraulic oil change. Recommended fluid type: Hy-Gard (J20D). Transmission/hydraulic system capacity: 44 L (12 gal). After adding transmission fluid, check the level with a dipstick.

Change transmission oil filter. Transmission oil filter part number: RE45864. After installation, checking the transmission/hydraulic fluid level is recommended. Add oil if necessary.

Replace filter element in hydraulic system. Hydraulic filter part number: LVA10419. When installation procedure is complete, check the transmission/hydraulic oil level. Add hydraulic fluid if it is low.

Replace engine primary fuel filter. Part number - MIU802421.

Replace engine final fuel filter. Part number - MIU803127.

Check the operation of fuel injection pump.

Check the coolant in radiator. Top up if required.

Check engine idle speed. If necessary, adjust the idle speed on the engine.

Every 600 Hours

Changing or service engine primary air filter elements. Primary air filter part number - RE68048.

Check and clean the engine secondary air filter. Part number - RE68049. Change as required.

Inspect diesel particulate filter. Part number: MIU802216. Service or replace if necessary.

Inspect all tubes and hoses. Tighten as recommended.

Change front axle fluid. Front Axle Capacity: 5 L (1.3 gal).

Check and adjust the parking and service brakes.

Yearly

John Deere 4066M replacement parts

Engine oil filter. Part number: M806419
Engine primary fuel filter. Part number: MIU802421
Engine final fuel filter. Part number: MIU803127
Engine primary air filter. Part number: RE68048
Engine secondary air filter. Part number: RE68049
Diesel particulate filter (DPF). Part number: MIU802216
Transmission oil filter. Part number: RE45864
Hydraulic oil filter. Part number: LVA10419

Replace filter and engine oil. Check and clean the oil system.

Change or clean engine air cleaner elements.

Install a new hydraulic filter.

Replace transmission filter and add fresh fluid to transmission/hydraulic system.

Drain water from fuel tank, then change the fuel filters (primary and final).

Clean radiator and oil cooler fins.

Drain, flush and refill engine cooling system. Cooling System Capacity - 6.0 L (1.5 gal).

Inspect all hoses and clamps.

Check battery charge.

Adjust engine valve clearance.

Check and adjust fuel injectors.

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R