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John Deere 1520 Maintenance

The John Deere 1520 is a two-wheel drive utility tractor. This model was manufactured from 1968 to 1972. The John Deere 1520 tractor is powered by 164.9 cubic inches (2.7 L) 3-cylinder water-cooled diesel or gasoline engines with a rated power of 51 hp (37.8 kW).

The JD 1520 is fitted with 3 types of transmission. Type 1: Collar shift unsynchronized transmission with 8 forward and 4 reverse gears. Type 2: 16x8 two-speed powershift transmission with high and low range. Type 3: 8x4 power shuttle transmission.

Max. forward speed - 17.1 mph (27.4 kph), max. reverse speed - 5 mph (8.1 kph). The closed center hydraulic system includes a gear pump with a flow of 10.5 gpm (39.7 lpm). The main relief pressure is 155 bar (2250 psi). The John Deere 1520 was equipped with a power assist steering system, differential hydraulic wet disc brakes, 9.00x10 front tires, and 14.9x28 rear tires. The wheelbase is 74.2 in (1880 mm).

Refill Capacities
Engine oil capacity, gal (L) 1.5 (5.7)
Engine coolant capacity, gal (L) 3.0 (11.4)
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 DM, 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/fan 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
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, AR75601
Hydraulic/transmission filter seal part number R34733




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