John Deere 4450 Specifications
Engine Horsepower: 158 hp
Manufactured: 1983 to 1988
John Deere 4450 Summary
The John Deere 4450, produced from 1983 to 1988, was the best-selling model of the 50 Series row-crop tractors, accounting for 20% of the line's sales. Manufactured in Waterloo, Iowa, it featured a 158.2 hp engine with drawbar power of 120.11 hp and PTO power of 140.43 hp. Variants included options for two- or four-wheel drive and different transmission types: a 16-speed partial power shift or a 15-speed full power shift.
John Deere 4450 Horsepower, Weight, and Specifications:
Production
What are the production details of the John Deere 4450?
- Manufacturer: John Deere
- Model: 4450
- Series: 50 Series
- Type: Row-Crop tractor
- Production years: 1983 to 1988
- Manufacturing location: Waterloo, Iowa, USA
- Original price: $46,670 (1983 Quad-Range ROPS 2WD)
- Original price: $67,009 (1983 Power Shift Cab 4WD)
Engine
What are the engine specifications?
- Type: John Deere 7.6L 6-cylinder diesel
Transmissions
What transmission options are available?
- 16-speed: Partial power shift
- 15-speed: Full power shift
Horsepower
What is the horsepower of the John Deere 4450?
- Engine: 158.2 hp (118.0 kW)
- Drawbar (claimed): 121 hp (90.2 kW)
- PTO (claimed): 140 hp (104.4 kW)
- Drawbar (tested): 120.11 hp (89.6 kW)
- PTO (tested): 140.43 hp (104.7 kW)
Mechanical
What are the mechanical features?
- Drive: Two- or four-wheel drive
- Final drives: Inboard planetary
- Differential lock: Hydraulic rear
- Steering: Power steering
- Brakes: Hydraulic wet disc brakes
- Cab: Sound-Gard cab standard, Optional four-post Roll-Gard ROPS
Capacity
What is the capacity of the John Deere 4450?
- Fuel: 65 gal (246.0 L)
- Hydraulic system (2WD Power Shift): 10.5 gal (39.7 L)
- Hydraulic system (4WD Power Shift): 13.5 gal (51.1 L)
- Hydraulic system (Quad-Range): 16.0 gal (60.6 L)
Hydraulics
What are the hydraulic specifications?
- Type: Closed center
- Capacity (2WD Power Shift): 10.5 gal (39.7 L)
- Capacity (4WD Power Shift): 13.5 gal (51.1 L)
- Capacity (Quad-Range): 16.0 gal (60.6 L)
- Pressure: 2277 psi (157.0 bar)
- Valves: 2 or 3
- Pump flow: 26.5 gpm (100.3 lpm)
Tractor Hitch
What are the hitch specifications?
- Rear Type: IIIN/II
- Control: Lower-link draft sensing
- Rear lift: 6294 lbs (2854 kg), 7418 lbs (3364 kg) optional
Power Take-off (PTO)
What are the PTO details?
- Rear PTO: Independent
- Clutch: Hydraulic wet disc
- Rear RPM: 540/1000
- Engine RPM: 540@2200, 1000@2200
Dimensions & Tires
What are the dimensions and tire details?
- 2WD Wheelbase: 106.7 inches (271 cm)
- 4WD Wheelbase: 105.3 inches (267 cm)
- Weight: 12745 to 15400 pounds
- Front tire: 10.00-16
- 2WD Rear tire: 18.4-38
Electrical
What are the electrical specifications?
- Ground: Negative
- Charging system: Alternator
- Charging amps: 72, 90 with Sound-Gard cab
- Batteries: 2
- Battery volts: 6, 12 optional
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.