John Deere 4450

John Deere 4450The John Deere 4450 is a 2WD or 4WD row-crop tractor from the 50 series. This tractor was manufactured by the John Deere in Waterloo, Iowa, USA from 1983 to 1988. The JD 4450 tractor is equipped with a 7.6 L six-cylinder diesel engine and one of two transmissions: partial power shift transmission with 16 forward and 6 reverse gears or full power shift transmission with 15 forward and 4 reverse gears.

The John Deere 4450 row-crop tractor used the John Deere engine. It is a 7.6 L, 7,636 cm2, (466.0 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 15.8:1. This engine produced 157.2 PS (115.6 kW; 155.0 HP) at 2,700 rpm of gross output power.

The John Deere 4450 is equipped with power steering, hydraulic wet disc brakes, Sound-Gard cab or four-post Roll-Gard ROPS (optional) and 246.0 liters (65 US gal.; 54.1 Imp. gal) fuel tank.

Following attachments are available for the JD 4450 row-crop tractor:

  • John Deere 158 loader
  • John Deere 265 loader
  • John Deere 280 loader

John Deere 4450 Specifications

General Specifications
ModelJohn Deere 4450
Length 2WD: 3,910 mm (153.9 in)
4WD: 4,160 mm (164.1 in)
Width2,430 mm (95.7 in)
Height2,950 mm (116.1 in)
Wheel base 2WD: 2,710 mm (106.7 in)
4WD: 2,670 mm (105.3 in)
Weight6,985 kg (15,400 lbs)
Fuel tank capacity246.0 liters (65 US gal.; 54.1 Imp. gal)
Battery2x6V or 12V
Cabin typeSound-Gard cab standard or four-post Roll-Gard ROPS (optional)
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement7.6 L, 7,636 cm2, (466.0 cu·in)
Bore and stroke116.0 mm X 121.0 mm (4.57 in X 4.76 in)
Compression ratio15.8:1
Horsepower157.2 PS (115.6 kW; 155 HP) at 2,700 rpm
Oil capacity:17.0 L (18 US. qt, 15 Imp. qt.)
Coolant capacity:25.6 L (27.1 US. qt, 22.5 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typePower
BrakesHydraulic wet disc
Transmission modelJohn Deere Quad-Range
Transmission typePartial power shift with Perma-Clutch wet disc
Gears16 forward and 6 reverse
Speed Forward: 27.9 kmh (17.3 mph) Reverse: 17.6 (10.9 mph)
Transmission oil capacity60.6 L (16 US. gal, 13.3 Imp. gal.)
Transmission modelJohn Deere Power Shift
Transmission typeFull power shift with Perma-Clutch wet disc
Gears15 forward and 4 reverse
Speed Forward: 29.2 kmh (18.1 mph) Reverse: 9.7 (6 mph)
Transmission oil capacity 2WD: 39.7 L (10.5 US gal, 8.7 Imp. gal)
4WD: 51.0 L (13.5 US gal, 11.2 Imp. gal)
Front tiresAg: 10.00-16
Rear tiresAg: 18.4-38
Three-Point Hitch
Control type
Lift capacity (at ends) 2,854 kg (6,293 lbs)
3,364 kg (7,418 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO spped540 rpm
Hydraulic system
Hydraulic typeClosed center
Pressure2,277 psi (157 bar)
Valves2 to 3
Pump flow26.5 gpm (100.3 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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