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John Deere 4755 Maintenance

The John Deere 4755 is a 2WD or 4WD row-crop tractor from 4055 series. This model was manufactured between 1989 and 1991. The JD 4755 tractor is powered by John Deere 6466 six-cylinder direct injection turbocharged intercooled diesel engine with operating power of 190 Hp (141.5 kW) and 820 Nm (607 lb-ft) of peak torque at 1210 rpm.

The JD 4755 is fitted with two types of transmission. Type 1: 16x6 Quad Range partial powershift transmission. Type 2: Power Shift transmission with 15 forward and 4 reverse gears.

Max. forward speed - 19.6 mph (31.5 kph), max. reverse speed - 12.6 mph (20.3 kph). The closed center hydraulic system used a piston pump with a flow of 29.5 gal/min (111.5 l/min). The hydraulic pressure is 174.5 bar (2530 psi). The John Deere 4755 is equipped with 11.00x16 front tyres and 20.8x38 rear tyres. The wheel base is 118.5" (3000 mm) for 2-wheel drive models and 117.1" (2970 mm) for 4-wheel drive models.

Compatible attachments for the tractor: John Deere 280 loader with a lift capacity to max height of 4580 lbs (2077 kg), and John Deere 840 loader with a lift capacity to max height of 4972 lbs (2260 kg).

Refill Capacities
Engine oil capacity, gal (L) 5.5 (21.0)
Engine coolant capacity, gal (L) 8.0 (30.3)
Hydraulic system capacity (Quad-range transmission), gal (L) 26.9 (101.8)
Hydraulic system capacity (Power-shift transmission), gal (L) 18.6 (70.5) 2WD or 19.8 (75.0) MFWD
Front axle oil capacity, gal (L) 3.0 (11.4)

Recommended Oil and Fluid
Engine oil type Plus-50, Torq-Gard Supreme, SAE 15W-30, 15W-40, 5W-30. API Service category CE, CD
Engine coolant type JD Low Silicate Antifreeze GM6038M or equivalent
Hydraulic/Transmission fluid type Hy-Gard, JDM J20A, J20B, Quatrol
Front axle oil type GL-5 Gear Lubricant, SAE 80W-140 or 85W-140

Service Intervals
Check hydraulic/transmission fluid level Every 50 hours
Check front axle oil level Every 50 hours
Clean battery and check electrolyte level Every 250 hours
Lubricate axle hub bearings Every 250 hours
Change engine oil Every 250 hours
Replace engine oil filter Every 250 hours
Clean cab air filters Every 250 hours
Inspect and adjust alternator belt Every 250 hours
Change engine fuel filter Every 750 hours
Lubricate rear axle bearings Every 750 hours
Check and adjust engine idling Every 750 hours
Check and adjust valve clearance Every 750 hours
Change hydraulic/transmission fluid Every 1500 hours
Replace hydraulic/transmission oil filter Every 1500 hours
Clean charge pump suction screen Every 1500 hours
Change front axle oil Every 1500 hours
Replace primary engine air filter Every 1500 hours
Replace secondary engine air filter Every 1500 hours
Replace cab air filters Every 1500 hours
Clean and adjust wheel bearings Every 1500 hours
Check fuel injection nozzles Every 1500 hours
Flush cooling system and add new coolant Every 2000 hours

Replacement Parts
Engine oil filter part number DZ101880
Engine fuel filter part number AR86745, AR103220 (Strainer)
Primary engine air filter part number AR80652, RE46310
Secondary engine air filter part number AR80653, RE46311
Cab recirculation air filter part number RE12793 (Std), RE67830 (HD)
Cab fresh air filter part number R65450
Hydraulic/transmission oil filter part number AR94510
Hydraulic pump suction screen part number R53169 (Nylon), AR26375 (Steel)




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