The John Deere 4450 tractor has 150 hp engine horsepower and 140 hp PTO horsepower.
Engine horsepower150 hp
PTO horsepower140 hp
Drawbar horsepower130 hp
Rated RPM2,200 rpm
Torque440 lb-ft
Operating weight6,300 lb
John Deere 4450 Horsepower Details
Engine horsepower
150 hp
PTO horsepower
140 hp
Drawbar horsepower
130 hp
Rated engine RPM
2,200 rpm
Engine torque
440 lb-ft
Engine displacement
7.6 L
Engine cylinders
6 cylinders
Engine model
a 7.6L turbocharged
Operating weight
6,300 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
150 hp
Average
77.5 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
140 hp
Average
73.2 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
130 hp
Average
67 hp
Low
5.5 hp
High
470 hp
Operating weight comparison
This model
6,300 lb
Average
7,216.1 lb
Low
300 lb
High
59,000 lb
John Deere 4450 Extra Horsepower Notes
Horsepower note
The useful spread on the John Deere 4450 is small: 150 hp engine horsepower versus 140 hp PTO horsepower.
PTO note
The John Deere 4450’s 140 hp PTO rating should be read with its 2,200 rpm rated engine speed when comparing implement requirements.
Drawbar note
The John Deere 4450 combines 130 hp drawbar horsepower with 6,300 lb operating weight, so traction and ballast can matter as much as power for pulling jobs.
Power-to-weight note
The John Deere 4450’s weight-to-power figure is about 42 lb per engine horsepower; that means it is light for its power, so traction and ballast can become the limiting factor before engine power.
Engine note
The John Deere 4450’s engine setup is engine model a 7.6L turbocharged, 7.6 L displacement, 6 cylinders, rated at 2,200 rpm, matching its mid-size tractor horsepower range.
Torque / RPM note
The John Deere 4450’s 440 lb-ft torque rating works with its 2,200 rpm rated speed, so load response depends on both numbers.
Official information note
Mistakes do happen. Horsepower, PTO horsepower, drawbar horsepower, weight and engine specs can change by year, market, engine option, cab, transmission and test standard. Please check the operator manual and official deere.com website for official information.
