Row Crop tractorsSpec sheet
John Deere 4450
The John Deere 4450 is a powerful row crop tractor built from 1983 to 1988. It has a strong 6-cylinder diesel engine that makes 155 horsepower. This engine is turbocharged and has a very high displacement of 466 cubic inches. The tractor has a partial power shift transmission with 16 forward gears and 6 reverse gears, giving farmers lots of options for different tasks. This tractor is designed for tough work. It has a three-point hitch at the back that can lift up to 6,293 pounds, which is above average for tractors. The 4450 weighs 15,400 pounds and has a sturdy 4x4 MFWD (mechanical front-wheel drive) chassis. It comes with a comfortable cab for the driver and has power steering to make it easier to control. The hydraulic system is closed center type, and it has wet disc brakes for good stopping power. With its green and yellow color, this John Deere tractor is a classic workhorse for farms.
ManufacturerJohn DeerePower155 hp(115.6 kW)Class150–300 HP tractors →Engine6-cylinderTransmissionPartial power shift
Key specifications
- Category
- Row Crop
- Engine power
- 155hp
- Operating weight
- 15,400 lb
- Transmission
- Partial power shift
Category comparison
4450 compared with its category
vs. Row Crop medianDistribution
Engine Power (hp)
All recorded Row Crop tractors
155 hp · 60th
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The 4450 ranks at the 60th percentile for engine power among recorded row crop tractors.
Overview
About the John Deere 4450
The John Deere 4450 is a powerful row crop tractor built from 1983 to 1988. It has a strong 6-cylinder diesel engine that makes 155 horsepower. This engine is turbocharged and has a very high displacement of 466 cubic inches. The tractor has a partial power shift transmission with 16 forward gears and 6 reverse gears, giving farmers lots of options for different tasks. This tractor is designed for tough work. It has a three-point hitch at the back that can lift up to 6,293 pounds, which is above average for tractors. The 4450 weighs 15,400 pounds and has a sturdy 4x4 MFWD (mechanical front-wheel drive) chassis. It comes with a comfortable cab for the driver and has power steering to make it easier to control. The hydraulic system is closed center type, and it has wet disc brakes for good stopping power. With its green and yellow color, this John Deere tractor is a classic workhorse for farms.
Full specifications
Recorded specifications
General
| Manufacturer | John Deere |
|---|---|
| Model | 4450 |
| Category | Row Crop tractor |
| Type | 4x4 MFWD 4WD |
| Years built | 1983–1988 |
| Operating weight | 15,400lb(6,985 kg) |
Engine
| Make | John Deere |
|---|---|
| Power | 155hp(115.6 kW) |
| Cylinders | 6 |
| Displacement | 466ci(7.64 L) |
| Bore | 4.57in(116.1 mm) |
| Stroke | 4.76in(120.9 mm) |
Transmission
| Type | Partial power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 6 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | MFWD |
| Steering | Power |
| Brakes | Hydraulic wet disc |
| Cab | Cab |
Hydraulics
| Type | Closed center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Width | 96in(2,438 mm) |
|---|---|
| Height | 116.5in(2,959 mm) |
| Operating weight | 15,400lb(6,985 kg) |
Capacities
| Cooling system | 6.75gal(25.55 L) |
|---|
Closest alternatives
4450 compared with the nearest models by horsepower
Among row crop tractors, the John Deere 6155M (2015-2020) and the John Deere 6155R are closest to the John Deere 4450 in rated horsepower. The John Deere 6155M (2015-2020) matches it on rated power and weighs 2,330 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. It entered production in 2015, 32 years after the 4450. The John Deere 6155R matches it on rated power and weighs 1,630 lb more, at 110 lb per horsepower against 99 lb. It entered production in 2015, 32 years after the 4450.
| Spec | John Deere 4450 | John Deere 6155M (2015-2020) | John Deere 6155R |
|---|---|---|---|
| Engine power | 155 hp115.6 kW | 155 hp115.6 kW | 155 hp115.6 kW |
| Operating weight | 15,400 lb6,985 kg | 13,073 lb5,930 kg | 17,028 lb7,724 kg |
| Weight per hp | 99 lb/hp60 kg/kW | 84 lb/hp51 kg/kW | 110 lb/hp67 kg/kW |
| Displacement | 466 ci7.64 L | 414 ci6.78 L | 414 ci6.78 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Partial power shift | Power Shift | Partial power shift |
| Drive | MFWD | - | 4WD |
| Years built | 1983-1988 | 2015-2020 | 2015+ |
Calculators
Calculators for the 4450
PTO power
About 129 to 140 PTO hp
Estimated from the 155 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 155 hp tractor can run
Maximum size is about a 18.5 ft rotary cutter or a 15.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
116 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
155 hp is 115.6 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
4450 vs. Row Crop median
John Deere 4450 compared with other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 155 hp | 138 hp | +12% | 60th |
| Engine Displacement | 466 ci | 391 ci | +19% | 82nd |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 15,400 lb | 12,307 lb | +25% | 68th |
| Width | 96 in | 91.2 in | +5% | 70th |
| Height | 117 in | 114 in | +3% | 61st |
| 3-Point Hitch Capacity | 6,293 lb | 11,023 lb | -43% | 18th |
Medians and percentiles are calculated from the row crop tractors in the database that have a recorded value for each specification (sample size 279–1,417 models).
Same manufacturer
Other John Deere models
Other manufacturers
Models with similar horsepower
Gallery
John Deere 4450 photos
FAQ
Frequently asked questions
What years was the John Deere 4450 manufactured?
Production of the John Deere 4450 ran from 1983 through 1988.
What type of transmission does the John Deere 4450 have?
The John Deere 4450 uses a Partial power shift transmission offering 16 forward gears.
What type of hydraulic system does the John Deere 4450 use?
Hydraulics on the John Deere 4450 are Closed center.
What hitch category is the John Deere 4450?
The John Deere 4450 uses a Category III hitch with a lift capacity of 6,293 lb.
How powerful is the John Deere 4450?
The John Deere 4450 has an engine power output of 155 hp. It is powered by a 6-cylinder engine displacing 466 ci.
What is the working weight of the John Deere 4450?
The operating weight of the John Deere 4450 is approximately 15,400 lb.
What routine service does the John Deere 4450 need?
Regular maintenance for the John Deere 4450 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.