John Deere 4040

John Deere 4040The John Deere 4040 is a 2WD or 4WD row-crop tractor from the Iron Horses series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1978 to 1982. The John Deere 4040 is equipped with a 6.6 L (404.0 cu·in) six-cylinder diesel engine and one of three transmissions: a partial power shift transmission with 16 forward and 6 reverse gears, a partially synchronized transmission with 8 forward and 2 reverse gears (13 forward and 5 reverse with creeper) or a full powershift transmission with 8 forward and 4 reverse gears.

The JD 4040 row-crop tractor used the John Deere engine. It is a 6.6 L, 6,620 cm2, (404.0 cu·in) six-cylinder natural aspirated diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 16.7:1. This engine produced 101.5 PS (74.6 kW; 100.0 HP) of output power.

The John Deere 4040 is equipped with power steering, differential hydraulic wet disc brakes, Sound-Gard Cab, and 140.0 liters (37 US gal.; 30.8 Imp. gal) fuel tank.

Following attachments are available for the JD 4040 row-crop tractor:

  • John Deere 148 loader
  • John Deere 158 loader

John Deere 4040 Specifications

General Specifications
ModelJohn Deere 4040
Length3,890 mm (153.1 in)
Width2,430 mm (95.7 in)
Height (Cab)2,780 mm (109.4 in)
Wheel base2,640 mm (103.9 in)
Weight (operating)4,760 kg (10,494 lbs)
Fuel tank capacity140.0 liters (37 US gal.; 30.8 Imp. gal)
BatteryTwo 6V, CCA: 850A
Cabin typeSound-Gard Cab
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement6.6 L, 6,620 cm2, (404.0 cu·in)
Bore and stroke108.0 mm X 121.0 mm (4.25 in X 4.76 in)
Compression ratio16.7:1
Horsepower101.5 PS (74.6 kW; 100 HP) at rpm
Oil capacity:16.1 L (17 US. qt, 14.2 Imp. qt.)
Coolant capacity:22.7 L (24 US. qt, 20 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typePower
BrakesDifferential hydraulic wet disc
Differential lockPedal-actuated hydraulic
Transmission modelJohn Deere Quad-Range
Transmission typePartial power shift
Gears16 forward and 6 reverse
Speed Forward: 26.9 kmh (16.7 mph) Reverse: 16.9 (10.5 mph)
Transmission oil capacity58.7 L (15.5 US. gal, 12.9 Imp. gal.)
Transmission modelJohn Deere Syncro-Range
Transmission typePartially synchronized
Gears8 forward and 2 reverse
Speed Forward: 28.2 kmh (17.5 mph) Reverse: 10.0 (6.2 mph)
Transmission oil capacity58.7 L (15.5 US. gal, 12.9 Imp. gal.)
Transmission modelJohn Deere Powershift
Transmission typeFull power shift
Gears8 forward and 4 reverse
Speed Forward: 28.2 kmh (17.5 mph) Reverse: 8.8 (5.5 mph)
Transmission oil capacity51.1 L (13.5 US. gal, 11.2 Imp. gal.)
Front tiresAg: 9.5L-15
Rear tiresAg: 15.5-38
Three-Point Hitch
Control type
Lift capacity (at ends) 1,957 kg (4,316 lbs)
2,447 kg (5,395 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed540/1,000 rpm
Hydraulic system
Hydraulic typeClosed center
Valves1 or 2
Pump flow23.0 gpm (87.1 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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