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John Deere 4520 Maintenance and Servicing

John Deere 4520 Service Intervals

Every 10 Hours or Daily Checking

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

Check transmission/hydraulic oil level. When the transmission/hydraulic fluid is low, add fresh oil.

Check engine primary and secondary air filters. Change if necessary.

Check radiator coolant level. If the coolant level is too low, fill the system.

Check engine speed, steering, service brakes and hand brake. If malfunctions are found, repair it.

Oil And Filter Change

Every 200 hours

Replace engine oil. Recommended oil type - Plus-50, SAE 15W-40, 10W-40, 10W-30, 5W-30. API Service Category CH or higher. How much to change: Oil System Capacity - 7.5 L (1.9 gal). Check engine oil level after replacement.

Oil filter changing. Engine oil filter part number: RE519626 (Models without Cab) / RE518977 (Models with Cab). When installing a new filter, flush the filter housing from dirt. When the filter is replaced, check the oil level. If required, add it.

Check engine primary air filter elements. Change if necessary. Air filter part number - AP33330.

Inspect engine secondary air filter element. Replace as required. Part number - AP33331.

Every 400 hours

Transmission/hydraulic fluid change. Transmission/hydraulic fluid type - Hy-Gard, JDM J20C or J20D. How much to change: Transmission and Hydraulic System Capacity for PowrReverser Models - 38.9 L (10.3 gal), for eHydro Models - 36.1 L (9.6 gal). After adding transmission/hydraulic fluid, check the level with a dipstick.

Replacing transmission/hydraulic fluid filter. Oil filter part number: LVA13038. After installation, checking the transmission/hydraulic oil level is recommended. Add fluid if required.

Replace diesel fuel filter. Fuel filter element part number: RE508202. Check injection pump settings.

Every 600 Hours

Cab air filters checking (Cab Models). Replace as required. Cab fresh air filter part number: MIU10010. Cab recirculation air filter part number: MIU10011.

Change front axle oil. Front axle oil - Hy-Gard. Front Axle Capacity - 5.0 L (1.3 gal).

Clean in-line hydraulic filter. Part number of in-line hydraulic filter: LVA12726.

Annual Maintenance

John Deere 4520 replacement parts

Engine Primary Air Filter. Part Number: AP33330
Engine Secondary Air Filter Element. Part Number: AP33331
Engine Oil Filter. Part Number: RE519626/RE518977
Engine Fuel Filter. Part Number: RE508202
Transmission/Hydraulic Filter. Part Number: LVA13038
In-line Hydraulic Filter. Part Number: LVA12726
Cab Fresh Air Filter. Part Number: MIU10010
Cab Recirculation Air Filter. Part Number: MIU10011
Alternator Belt. Part Number: R515222

Change filter and engine oil. Service lubricating system components.

Change engine air cleaner elements.

Install a new transmission/hydraulic filter and change transmission/hydraulic fluid.

Service in-line hydraulic filter.

Service or replace cab air filters (Cab Models).

Replace the fuel filter, but drain water from fuel tank first.

Clean oil cooler fins and radiator.

Flush the cooling system and refill with new coolant. Cooling System Capacity: Cab Models - 6.2 L (1.6 gal), Models Without Cab - 8.4 L (2.2 gal).

Inspect all clamps hoses and hoses.

Check level of battery electrolyte.

Check engine valve clearance.

Inspect and adjust diesel injection pump.