John Deere

4450

Farm tractor · 1983–1988 · 158 hp

John Deere4450
EngineTransmissionHydraulicsHitchDimensionsWeightTires & TracksFuelSteeringCabCompatible ImplementsNebraska TestsMore John Deere

The John Deere 4450 is a farm tractor manufactured from 1983 to 1988. It features a John Deere engine, and optional four-post Roll-Gard steering. The transmission is a partial power shift type with 16 forward and 6 reverse.

Engine

EngineJohn Deere
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Turbocharger Statusturbocharged diesel
Displacement466 ci (7.6 L)
Bore4.56 in (116 mm)
Stroke4.75 in (121 mm)
Compression Ratio15.8
Power Gross158.2 hp (118 kW)
Power Rated158.2 hp (118 kW)
Power PTO140.33 hp (104.7 kW)
Power Drawbar120.11 hp (89.6 kW)
Air Cleanerdry
Starter Volts12
Oil Capacity18 qts (17 L)
Coolant Capacity27 qts (25.6 L)
ManufacturerJohn Deere
Rated2,200 RPM
Firing Order1-5-3-6-2-4

Transmission

Transmission Typepartial power shift
Transmission ModelJohn Deere Quad-Range
Gears16 forward and 6 reverse
Transmission DescriptionTractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range.
ClutchPerma-Clutch wet disc
Oil Capacity64 qts (60.6 L)
Available Options16-speed partial power shift, 15-speed full power shift

Hydraulics

Typeclosed center
Pump Flow26.5 gpm (100.3 lpm)
Pressure2,277 psi (157 bar)
Valves2
System Capacity10.5 gal (39.7 L)

Hitch

Rear TypeIIIN/II
Rear Lift6,294 lbs (2,854 kg)
Hitch Controllower-link draft sensing

Dimensions

Length164.1 in (416 cm)
Width96 in (243 cm)
Height116.5 in (295 cm)
Wheelbase105.3 in (267 cm)
Ground Clearance15.75 in (40 cm)

Weight

Shipping12,745 lbs (5,781 kg)
Operating15,400 lbs (6,985 kg)

Tires & Tracks

Front Ag14.9-26
Rear Ag18.4-38, 23.1-34, 16.9-38, 20.8-38, 20.8R38, 18.4-42, 18.4R42

Fuel

Capacity65 gal (246 L)

Steering

Typeoptional four-post Roll-Gard

Cab

CabSound-Gard cab standard

Compatible Implements

ModelTypeWidthMin HP
Bush Hog BH410 variant 2Rotary Cutters84"70 hp
Land Pride RCF3684 - 3PTRotary Cutters84"70 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride RCP2760Rotary Cutters60"75 hp
Land Pride DB2660Rotary Cutters60"75 hp
Land Pride RCPM2760Rotary Cutters60"75 hp
Land Pride RCP3760Rotary Cutters60"95 hp
Land Pride RCPM3760Rotary Cutters60"95 hp

Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.

These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.

Nebraska Tests

NTTLTest #1476
April 4-25, 1983 Hp Barometer shaft (kW) gal/hr speed inch Hg (kg/kW.h) (kW.h/l) (Uh) rpm

Nebraska Tractor Test

PTO Power
140.33HP
Drawbar
128.68HP
Sound
86.5dB(A)
NTTLTest #1459
October 13 to November 4, 1982 Fuel Consumption Temperature °F (°C) Crank Power Barometer Air shaft Hp dry inch Hg

Nebraska Tractor Test

PTO Power
144.35HP
Drawbar
121.94HP
Sound
86dB(A)
NTTLTest #1476
April 4-25, 1983 Hp Barometer shaft (kW) gal/hr speed inch Hg (kg/kW.h) (kW.h/l) (Uh) rpm

Nebraska Tractor Test

PTO Power
140.33HP
Drawbar
128.68HP
Sound
86.5dB(A)
NTTLTest #1459
October 13 to November 4, 1982 Fuel Consumption Temperature °F (°C) Crank Power Barometer Air shaft Hp dry inch Hg

Nebraska Tractor Test

PTO Power
144.35HP
Drawbar
121.94HP
Sound
86dB(A)