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John Deere 3720 Maintenance Data

John Deere 3720 Service Intervals

Every Ten Hours or Daily

Engine oil level checking procedure. If the engine oil level is low, fill in fresh oil.

Transmission/hydraulic oil level checking. If transmission/hydraulic oil is too low, fill in new oil.

Checking engine air filter elements. Replace if required.

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

Check engine speed, steering, hand brake and service brakes. Repair any damage if required.

Every 50 Hours

Check tyre pressure. If the tyre pressure is low, inflate the tyres.

Check the battery. Clean if required.

Service or change the cab air recirculation filter. Part number: MIU10010.

Checking the oil in front axle. Add if required.

Check the oil level in hydraulic system. Add oil to hydraulic system if necessary.

Lubricate rear and front axle hub bearings.

Check wheels and tighten screws and nuts if required.

Every 200 hours

Replace engine oil. Recommended motor oil: Plus-50, SAE 15W-40, 10W-40, 10W-30, 5W-30. API Service Category CH or higher. How much is required: Engine oil capacity: 5.7 L (1.51 gal). After installing a new filter, check that the engine oil level is correct.

Changing oil filter. Filter part number - M806419. Flush the filter housing before the filter element replacement procedure. After replacing the filter, check the oil level. Add oil if it is low.

Transmission/hydraulic oil change. Oil type - Low Viscosity Hy-Gard, J20C, J20D. Transmission/hydraulic system capacity: PowrReverser Models - 23.8 L (6.3 gal), eHydro Models - 25.7 L (6.8 gal). After changing the transmission fluid, check the level with a dipstick.

Replace hydraulic/transmission filter element. Hydraulic/transmission filter element part number - LVA13065. When the filter element is replaced, check the hydraulic/transmission fluid level. Add hydraulic oil if it is low.

Clean radiator fins if fins are dirty.

Inspect alternator/fan belt. Change if necessary.

Check the torque of the wheel bolts.

Every 400 Hours

Engine air filter elements checking. Replace as required. Engine primary air filter part number: RE68048. Engine secondary air filter part number: RE68049.

Change diesel fuel filter. Engine fuel filter part number: MIU800645. Check the efficiency of fuel injection pump.

Check the coolant in radiator. Top up if coolant is low.

Check engine idle speeds. Adjust engine idle as required.

Check and tighten all hoses and clamps.

Change front axle lubricant. Front axle capacity: 4.5 L (4.8 qt).

Check and adjust the brake system components.

Yearly

John Deere 3720 replacement parts

Engine Primary Air Filter. Part Number: RE68048
Engine Secondary Air Filter. Part Number: RE68049
Engine Oil Filter. Part Number: M806419
Engine Fuel Filter. Part Number: MIU800645
Transmission/Hydraulic Oil Filter. Part Number: LVA13065
Cab Air Recirculation Filter. Part Number: MIU10010

Change filter and engine oil. Service oil system components.

Change engine primary/secondary air filter elements.

Change transmission/hydraulic fluid.

Change transmission/hydraulic filter.

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

Clean oil cooler fins and radiator.

Flush the cooling system and add fresh coolant. Cooling system capacity: Models without Cab - 5.3 L (1.40 gal), Models with Cab - 7.0 L (1.85 gal).

Check all hoses and clamps.

Check and service the battery.

Check 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