John Deere 4450 Specs ( 1983-1988 )
Production
| Description | Row-Crop tractor / Built in Waterloo, Iowa, USA |
|---|---|
| Manufacturer | John Deere |
| Original price | $46,670 (1983 Quad-Range ROPS 2WD ) |
Engine
| Engine type | John Deere 7.6L 6-cyl diesel |
|---|---|
| Air cleaner | dry |
| Bore/Stroke | 4.56x4.75 inches (116 x 121 mm) |
| Compression | 15.8:1 |
| Coolant capacity | 27 qts (25.6 L) |
| Description | John Deere / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 466 ci (7.6 L) |
| Firing order | 1-5-3-6-2-4 |
| Oil capacity | 18 qts (17.0 L) |
| Power | 158.2 hp (118.0 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (claimed) | 121 hp (90.2 kW) |
| Drawbar (tested) | 120.11 hp (89.6 kW) |
| PTO (claimed) | 140 hp (104.4 kW) |
| PTO (tested) | 140.43 hp (104.7 kW) |
Transmission
| 2WD Oil capacity | 42 qts (39.7 L) |
|---|---|
| 4WD Oil capacity | 54 qts (51.1 L) |
| Clutch | Perma-Clutch wet disc / Perma-Clutch wet disc |
| Description | Tractor 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. / Optional transmission. Full (clutchless) power shift can be made between gears, forward and reverse. |
| Gears | 16 forward and 6 reverse / 15 forward and 4 reverse |
| Oil capacity | 64 qts (60.6 L) |
| Transmission | John Deere Quad-Range / John Deere Power Shift |
| Type | partial power shift / full power shift |
| Transmission type | 16-speed partial power shift / 15-speed full power shift |
| Transmission type | 16-speed partial power shift / 15-speed full power shift |
Mechanical
| Description | Power steering / Hydraulic wet disc brakes / Sound-Gard cab standard. Optional four-post Roll-Gard ROPS. |
|---|---|
| Differential lock | hydraulic rear |
| Drive type | Two- or four-wheel drive |
| Final drives | inboard planetary |
Capacity
| Fuel | 65 gal (246.0 L) |
|---|---|
| Hydraulic system | 10.5 gal (2WD Power Shift) (39.7 L) |
Hydraulics
| Capacity | 10.5 gal (2WD Power Shift) (39.7 L) |
|---|---|
| Pressure | 2277 psi (157.0 bar) |
| Pump flow | 26.5 gpm (100.3 lpm) |
| Type | closed center |
| Valves | 2 or 3 |
Hitch
| Control | lower-link draft sensing |
|---|---|
| Rear lift | 6294 lbs (2854 kg) |
| Rear Type | IIIN/II |
PTO
| Clutch | hydraulic wet disc |
|---|---|
| Engine RPM | 540@2200 |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 6 |
| Charging amps | 72 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Length | 154.1 inches (391 cm) |
|---|---|
| 2WD Wheelbase | 106.7 inches (271 cm) |
| 4WD Length | 164.1 inches (416 cm) |
| 4WD Wheelbase | 105.3 inches (267 cm) |
| Ground clearance | 15.75 inches (40 cm) |
| Height | 116.5 inches (295 cm) |
| Operating weight | 15400 lbs*Two-wheel drive tractor with cab and Power Shift. (6985 kg) |
| Rack-and-pinion rear axle | 3.62 by 96 inches (91 by 2438 mm) / 3.62 by 109 inches (91 by 2768 mm) / 3.62 by 113 inches (91 by 2870 mm) |
| Shipping weight | 12745 lbs (5781 kg) |
| Width | 96 inches (243 cm) |
| 2WD Rear tire | 18.4-38 |
| 2WD Wheelbase | 106.7 inches (271 cm) |
| 4WD Wheelbase | 105.3 inches (267 cm) |
| Front tire | 10.00-16 |
| Weight | 12745 to 15400 pounds |
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 18.4-38 |
| 4WD Standard tires (ag) | Front: 14.9-26. Rear: 18.4-38 |
| Ag rear | 23.1-34 |
4450 Serial Number Location
| Description | Serial number plate on rear of tractor. |
|---|
4450 Serial Numbers
| 1983 | 1000 |
|---|---|
| 1984 | 11001 |
| 1985 | 18001 |
| 1986 | 22001 |
| 1987 | 24001 |
| 1988 | 26001 |
| 1989 | 31001 |
| Description | FAQ: How to read a serial number table. |
John Deere 4450 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1459
| Description | Diesel Power Shift 2WDOctober 13 - November 4, 1982Link: Nebraska Tractor Test 1459 file / PTO performance / Drawbar performance / Gear 10 used for power test. / Gear 4 used for pull test. |
|---|---|
| Fuel use | 8.7 gal/hour (32.9 l/hour) / 8.6 gal/hour (32.6 l/hour) |
| Max power | 117.46 hp (87.6 kW) |
| Max pull | 15,015 lbs (6810 kg) |
| Power at rated engine speed | 140.43 hp (104.7 kW) |
Nebraska Tractor Test 1476
| Description | Diesel Quad-Range 2WDApril 4 - 25, 1983Link: Nebraska Tractor Test 1476 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 8.6 gal/hour (32.6 l/hour) / 8.3 gal/hour (31.4 l/hour) |
| Max power | 120.11 hp (89.6 kW) |
| Max pull | 15,069 lbs (6835 kg) |
| Power at rated engine speed | 140.33 hp (104.6 kW) |
References
| Description | Loaders, Spreaders and Blades published in 1984, by John Deere / Tractors 100 to 190 HP published in 1984, by John Deere / Tractors 105 to 190 HP published in 1984, by John Deere / Row-Crop Tractors Product Information Handbook published in 1984, by John Deere / Row-Crop Tractors Product Information Handbook published in 1986, by John Deere / Agricultural Price List published in 1983, by John Deere |
|---|---|
| Drive type | Mechanical Front-Wheel Drive published in 1984, by John Deere |
Speeds
| Description | 18.4-38 rear tires. / 18.4-38 rear tires. |
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Tractor Tests
| Description | NTTL 1459: diesel Power Shift 2WD / NTTL 1476: diesel Quad-Range 2WD |
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