Specifications, Service, and Repair of Farm and Lawn Tractors

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John Deere 4450 Technical Data

JD 4450 Engine Specifications

Engine Model .................... John Deere 6466T
Engine Type .................... 4 Stroke, six-cylinder turbocharged diesel
Number of Cylinders .................... 6
Displacement, cu in (L) .................... 466 (7.640)
Engine Bore, in (mm) .................... 4.56 (116.0)
Engine Stroke, in (mm) .................... 4.75 (121.0)
Aspiration .................... Turbocharged
Rated Engine Power, hp (kW) .................... 160.0 (119.3)
Rated Engine Speed, rpm .................... 2200
Idle Speed, rpm .................... 800-2400
Maximum Torque, Nm (lb-ft) .................... 650 (481)
Torque Speed, rpm .................... 1400
Compression .................... 15.8:1
Firing Order .................... 1-5-3-6-2-4
Fuel System .................... Direct injection
Air Cleaner .................... Dual dry element
Fuel Tank Capacity, gal (L) .................... 65.0 (246.0)
Oil Capacity, qts (L) .................... 18.0 (17.0)
Coolant Capacity, qts (L) .................... 27.0 (25.5)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 72

Power Take-Off

PTO Operational Type .................... Independent
PTO Horsepower, hp (kW) .................... 140.0 (104.5)
PTO Speed, rpm .................... 540/1000
PTO / Engine Speed, rpm .................... 540/2200, 1000/2200

John Deere 4450 Transmission

Transmission Type .................... Quad Range
Gearbox Type .................... 16F/6R, Partial powershift
Number of Forward Gears .................... 16
Number of Reverse Gears .................... 6
Clutch .................... Wet disc
Oil Capacity, qts (L) .................... 64.0 (61.0)
Maximum Speed (Forward), mph (kph) .................... 17.3 (27.9)
Maximum Speed (Reverse), mph (kph) .................... 10.9 (17.6)

Transmission Type .................... Power Shift
Gearbox Type .................... 15F/4R, Full powershift
Number of Forward Gears .................... 15
Number of Reverse Gears .................... 4
Clutch Type .................... Wet disc
Oil Capacity (2WD), qts (L) .................... 42.0 (39.5)
Oil Capacity (4WD), qts (L) .................... 54.0 (51.0)
Maximum Forward Speed, mph (kph) .................... 18.1 (29.2)
Maximum Reverse Speed, mph (kph) .................... 6.0 (9.7)

JD 4450 Wheels and Tires

Drive Wheels .................... 2WD/4WD
Steering Configuration .................... Front steer
Steering System .................... Power Steering
Brakes Type .................... Hydraulic wet disc
Front Tire Size .................... 10.0x16
Rear Tire Size .................... 18.4x38

John Deere 4450 Hydraulics and Hitch

Hydraulic System Type .................... Closed center
Implement Pump Flow, gpm (Lpm) .................... 26.5 (100.4)
Hydraulic Pressure, Bar (psi) .................... 157 (2275)
Hydraulic Capacity (PowerShift, 2WD), gal (L) .................... 10.5 (40.0)
Hydraulic Capacity (PowerShift, 4WD), gal (L) .................... 13.5 (51.0)
Hydraulic Capacity (Quad Range), gal (L) .................... 16.0 (60.5)
Number of Standard Remote Valves .................... 2/3
3-Point Hitch Category .................... 2/3N
Standard Lift Capacity at lift pin, lb (kg) .................... 6300 (2860)
Optional Lift Capacity at lift pin, lb (kg) .................... 7420 (3360)

JD 4450 Dimensions and Weight

Wheelbase (2WD), in (mm) .................... 107.1 (2710)
Wheelbase (4WD), in (mm) .................... 105.5 (2670)
Length (2WD), in (mm) .................... 154.5 (3910)
Length (4WD), in (mm) .................... 164.4 (4160)
Height (Cab), in (mm) .................... 116.6 (2950)
Overall Width, in (mm) .................... 96.1 (2430)
Ground Clearance, in (mm) .................... 15.8 (400)
Shipping Weight, lb (kg) .................... 12750 (5780)
Operating Weight, lb (kg) .................... 15400 (6985)

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JOHN DEERE TRACTORS SPECIFICATIONS

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JOHN DEERE TRACTORS ATTACHMENTS
1023E 2025R 2210 2520 3032E
3046R 3520 4066R 4105 4200
4320 4400 4520 4600 4720
430 420 455 X300 X350
X485 X500 X590 X700 X738

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JOHN DEERE FRONT END LOADERS

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JOHN DEERE TRACTORS MAINTENANCE

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JOHN DEERE TRACTORS TROUBLESHOOTING
2640 3040 3310 3650 4100
5050D 5090R 5410 6105R 7200R
E130 L111 LA110 LT155 X300R

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