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Home / Farm Tractors / John Deere Tractors / JD 4040

John Deere 4040 Maintenance

The John Deere 4040 is a 2WD or 4WD row crop tractor from Iron Horses series. This model was manufactured between 1978 and 1982. The John Deere 4040 tractor is powered by 404 cu.in JD 6.404D 4-cycle 6-cylinder water-cooled diesel engine with a maximum output power of 135 hp (101.5 kW) at 2200 rev/min.

The John Deere 4040 is fitted with 3 transmission options: 16x6 Quad-Range partial power shift transmission, 8x2 Syncro-Range partially synchronized transmission, or Syncro-Range creeper transmission with 13 forward and 4 reverse gears.

Max. forward speed - 19.2 mph (30.9 km/h), max. reverse speed - 11.5 mph (18.5 km/h). The closed center hydraulic system includes a piston pump with rated fluid flow of 23 gpm (87.1 lpm). The 3-point hitch has a lift capacity of 4315 lbs (1960 kg) or 5395 lbs (2450 kg). The wheel base is 104" (2640 mm).

Compatible front end loaders for the JD 4040 tractor: John Deere 148 loader with a lift capacity to max height of 3100 lbs (1406 kg), or John Deere 158 loader with a lift capacity to max height of 3800 lbs (1723 kg).

Refill Capacities
Engine oil capacity, gal (L) 4.0 (15.1)
Engine coolant capacity, gal (L) 6.0 (22.7)
Hydraulic system capacity (Syncro-range transmission), gal (L) 13.0 (49.2)
Hydraulic system capacity (Quad-range transmission), gal (L) 13.0 (49.2)
Hydraulic system capacity (Power-shift transmission), gal (L) 11.0 (41.6)
Front axle oil capacity, gal (L) 4.0 (15.1)

Recommended Oil and Fluid
Engine oil type Torq-Gard Supreme, SAE 15W-30, 15W-40, 5W-20. API Service category CD, SC
Engine coolant type Cool-Gard Premix Coolant
Hydraulic/Transmission fluid type Hy-Gard, Low Viscosity Hy-Gard, JDM J20A, Quatrol
Front axle oil type Hy-Gard, Low Viscosity Hy-Gard, JDM J20A, Quatrol

Service Intervals
Check hydraulic/transmission fluid level Every 100 hours
Lubricate axle hub bearings Every 100 hours
Change engine oil Every 100 hours
Replace engine oil filter Every 200 hours
Replace hydraulic/transmission oil filter (Quad-range or Syncro-range) Every 200 hours
Inspect and adjust alternator belt Every 200 hours
Check front axle oil level Every 200 hours
Clean cab air filters Every 200 hours
Clean battery and check electrolyte level Every 200 hours
Change engine fuel filter Every 600 hours
Check and service engine air filters Every 600 hours
Check injection timing Every 600 hours
Replace hydraulic/transmission oil filter (Powershift) Every 600 hours
Check and adjust engine idling Every 600 hours
Check and adjust valve clearance Every 600 hours
Change hydraulic/transmission fluid Every 1200 hours
Change front axle oil Every 1200 hours
Replace primary engine air filter Every 1200 hours
Replace secondary engine air filter Every 1200 hours
Replace cab air filters Every 1200 hours
Clean and adjust wheel bearings Every 1200 hours
Clean hydraulic pump valve filter Every 1200 hours
Change final drive housing oil (Hi-crop) Every 1200 hours
Flush cooling system and add new coolant Every 2000 hours

Replacement Parts
Engine oil filter part number AR43634, DZ101880
Engine fuel filter part number AR50041
Primary engine air filter part number AR79941
Secondary engine air filter part number AR79942
Cab recirculation air filter part number RE12793, RE67830
Cab fresh air filter part number R65450
Hydraulic/transmission oil filter part number AR94510, AR98098
Hydraulic filter element part number R27173

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