The John Deere 4066R tractor has 65 hp engine horsepower and 55 hp PTO horsepower.
Engine horsepower65 hp
PTO horsepower55 hp
Drawbar horsepower55.5 hp
Rated RPM2,600 rpm
Torque131.3 lb-ft
Operating weight3,770 lb
John Deere 4066R Horsepower Details
Engine horsepower
65 hp
PTO horsepower
55 hp
Drawbar horsepower
55.5 hp
Rated engine RPM
2,600 rpm
Engine torque
131.3 lb-ft
Engine displacement
2.1 L
Engine cylinders
4 cylinders
Engine model
Yanmar 2.1L 4-cylinder turbocharged
Operating weight
3,770 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
65 hp
Average
113.7 hp
Low
20 hp
High
310 hp
PTO horsepower comparison
This model
55 hp
Average
101.7 hp
Low
17 hp
High
280 hp
Drawbar horsepower comparison
This model
55.5 hp
Average
98.4 hp
Low
17 hp
High
250 hp
Operating weight comparison
This model
3,770 lb
Average
10,042.2 lb
Low
317.2 lb
High
27,180 lb
John Deere 4066R Extra Horsepower Notes
Horsepower note
The John Deere 4066R shows 65 hp at the engine and 55 hp at the PTO, which is a normal drop from engine power to PTO power for a utility tractor.
PTO note
The John Deere 4066R has 55 hp available at the PTO, placing it in the utility tractor PTO range rather than a heavy-implement class.
Drawbar note
The John Deere 4066R combines 55.5 hp drawbar horsepower with 3,770 lb operating weight, so traction and ballast can matter as much as power for pulling jobs.
Power-to-weight note
The John Deere 4066R’s weight-to-power figure is about 58 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
Engine details for the John Deere 4066R come together as engine model Yanmar 2.1L 4-cylinder turbocharged, 2.1 L displacement, 4 cylinders, rated at 2,600 rpm.
Torque / RPM note
The John Deere 4066R combines 131.3 lb-ft of torque with a 2,600 rpm rated engine speed, which fits a typical tractor rated-speed range.
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.
