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
Model John Deere 4450
Length 2WD: 3,910 mm (153.9 in)
4WD: 4,160 mm (164.1 in)
Width 2,430 mm (95.7 in)
Height 2,950 mm (116.1 in)
Wheel base 2WD: 2,710 mm (106.7 in)
4WD: 2,670 mm (105.3 in)
Weight 6,985 kg (15,400 lbs)
Fuel tank capacity 246.0 liters (65 US gal.; 54.1 Imp. gal)
Battery 2x6V or 12V
Cabin type Sound-Gard cab standard or four-post Roll-Gard ROPS (optional)
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 7.6 L, 7,636 cm2, (466.0 cu·in)
Bore and stroke 116.0 mm X 121.0 mm (4.57 in X 4.76 in)
Compression ratio 15.8:1
Horsepower 157.2 PS (115.6 kW; 155 HP) at 2,700 rpm
Starter Electric
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
Chassis 4×2 2WD or 4×4 MFWD 4WD
Steering type Power
Brakes Hydraulic wet disc
Transmission model John Deere Quad-Range
Transmission type Partial power shift with Perma-Clutch wet disc
Gears 16 forward and 6 reverse
Speed Forward: 27.9 kmh (17.3 mph) Reverse: 17.6 (10.9 mph)
Transmission oil capacity 60.6 L (16 US. gal, 13.3 Imp. gal.)
Transmission model John Deere Power Shift
Transmission type Full power shift with Perma-Clutch wet disc
Gears 15 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)
Tires
Front tires Ag: 10.00-16
Rear tires Ag: 18.4-38
Three-Point Hitch
Caterogy IIIN/II
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 type Independent
Rear PTO spped 540 rpm
Hydraulic system
Hydraulic type Closed center
Pressure 2,277 psi (157 bar)
Valves 2 to 3
Pump flow 26.5 gpm (100.3 lpm)