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John Deere 5020 Maintenance
The
John Deere 5020 is a two-wheel drive standard-tread tractor from New Generation
series. This model was manufactured between 1965 and 1972. The John Deere 5020
tractor is equipped with John Deere 4-cycle six-cylinder liquid-cooled diesel
engine.
A 531 cubic inches (8.7 L) engine has a cylinder bore of 4.75" (121 mm),
piston stroke of 5.0" (127 mm), and rated power of 148 hp (109.6 kW).
The Syncro-Range transmission consists of a dry clutch and partially
synchronized gearbox with 8 forward and 2 reverse gears.
The maximum travel speed (forward/reverse): 17.9 mph (28.8 km/h) and 5.4
mph (8.7 km/h). The closed center hydraulic system used a gear pump with
a flow rate of 22 gal/min (83.3 l/min). The main relief pressure is 155
bar (2250 psi). The John Deere 5020 was equipped with a power steering
system, differential hydraulic wet disc brakes, 11.0x16 (Standard) or
9.5x20 (Row-Crop) front tires, and 24.5x32 (Standard) or 18.4x38
(Row-Crop) rear tires. The wheel base is 104 inches (2640 mm).
| Engine oil capacity, gal (L) |
5.0 (18.9) |
| Engine coolant capacity (with heater), gal (L) |
8.7 (33.0) |
| Engine coolant capacity (w/o heater), gal (L) |
8.2 (31.1) |
| Hydraulic/transmission system capacity, gal (L) |
16.0 (60.6) |
| Fuel tank capacity, gal (L) |
68.0 (257.7) |
| Recommended Oil and Fluid |
| Engine oil type |
Torq-Gard, SAE 30, SAE 10W-20, 5W-20. API Service category MS, DM |
| Engine coolant type |
JD Engine Cooling Fluid All Season |
| Hydraulic/Transmission fluid type |
JD 303 Special-Purpose Oil |
| Clean battery and check electrolyte level |
Every 100 hours |
| Change engine oil |
Every 100 hours |
| Replace engine oil filter |
Every 200 hours |
| Check hydraulic/transmission fluid level |
Every 200 hours |
| Inspect and adjust fan belt |
Every 200 hours |
| Clean air cleaner dry element |
Every 200 hours |
| Replace engine fuel filter |
Every 600 hours |
| Check injection timing |
Every 600 hours |
| Replace hydraulic/transmission oil filter |
Every 600 hours |
| Check and adjust engine idling |
Every 600 hours |
| Check and adjust valve clearance |
Every 600 hours |
| Lubricate rear axle bearings |
Every 600 hours |
| Change hydraulic/transmission fluid |
Every 1200 hours |
| Replace air cleaner dry element |
Every 1200 hours |
| Clean and adjust front wheel bearings |
Every 1200 hours |
| Clean hydraulic pump valve filter |
Every 1200 hours |
| Clean fuel injectors |
Every 1200 hours |
| Flush cooling system and add new coolant |
Every 1500 hours |
| Engine oil filter part number |
AR75603, AR28271 |
| Engine fuel filter part number |
AR44077 |
| Engine air cleaner part number |
AR45784, AR45785 |
| Hydraulic/transmission oil filter part number |
AR75603, AR28271 |
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| Farm Tractors Technical Specifications |
