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John Deere 1020 Maintenance

The John Deere 1020 is a 4x2 utility tractor from New Generation series. This model was manufactured between 1965 to 1973. The John Deere 1020 tractor is powered by 4-stroke 3-cylinder water-cooled naturally aspirated diesel engine. A 152 cubic inches (2.5 L) engine has a cylinder bore of 3.86" (98 mm), piston stroke of 3.86" (98 mm), and rated power of 40 hp (28.5 kW).

The John Deere 1020 was fitted with 3 types of transmission. 1st type: 8x4 Collar shift gear transmission. 2nd type: 16x8 two-speed power shift transmission. 3rd type: Power shuttle transmission with 8 forward and 4 reverse gears.

Max. travel speed (forward and reverse): 16.6 mph (26.7 km/h) / 9.5 mph (15.2 km/h). The closed center hydraulic system used a gear pump with a rated capacity of 10.5 gpm (39.7 lpm). The standard lift capacity is 2010 lbs (912 kg ) at lift pin. The JD 1020 tractor is fitted with 5.50x16 front tires and 13.6x28 rear tires. The wheel base is 74 in (1870 mm).

Refill Capacities
Engine oil capacity, gal (L) 1.5 (5.7)
Engine coolant capacity, gal (L) 2.75 (10.4)
Hydraulic/Transmission system capacity, gal (L) 10.0 (37.9)
Belt pulley oil capacity, pts (L) 2.5 (1.2)

Recommended Oil and Fluid
Engine oil type Torq-Gard, MIL-L-2104B, SAE 30, SAE 10W-20, 5W-20. API Service category SD
Engine coolant type Cool-Gard Premix Coolant
Hydraulic/Transmission fluid type JD 303 tractor hydraulic fluid
Belt pulley oil type JD 303 tractor hydraulic fluid or SAE 80 lubricant

Service Intervals
Check battery and clean terminals Every 50 hours
Check hydraulic/transmission fluid level Every 50 hours
Lubricate axle hub bearings Every 50 hours
Change engine oil Every 100 hours
Replace engine oil filter Every 200 hours
Inspect and adjust alternator belt Every 200 hours
Check belt pulley oil level Every 200 hours
Clean air cleaner oil cap or dry element Every 200 hours
Change engine fuel filter (diesel) Every 500 hours
Clean carburetor strainer screen (gasoline) Every 500 hours
Check injection timing (diesel) Every 500 hours
Clean or replace spark plug (gasoline) Every 500 hours
Replace hydraulic oil filter Every 500 hours
Change belt pulley oil Every 500 hours
Adjust parking and service brakes Every 500 hours
Check and adjust valve clearance Every 500 hours
Change hydraulic/transmission fluid Every 1000 hours
Replace air cleaner dry element Every 1000 hours
Clean and adjust wheel bearings Every 1000 hours
Flush cooling system and add new coolant Every 1000 hours

Replacement Parts
Engine oil filter part number T19044, AR58956
Engine fuel filter part number AT17387, AR50041
Engine air cleaner part number AT20245 (Oil bath), AT20728 (Dry type)
Hydraulic/transmission oil filter part number AR28271, AR75603, AT34670
Hydraulic/transmission filter seal part number R34733




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