The John Deere 4120 tractor has 43.1 hp engine horsepower and 35 hp PTO horsepower.
Engine horsepower43.1 hp
PTO horsepower35 hp
Drawbar horsepower93 hp
Rated RPM2,400 rpm
Torque91 lb-ft
Operating weight3,700 lb
John Deere 4120 Horsepower Details
Engine horsepower
43.1 hp
PTO horsepower
35 hp
Drawbar horsepower
93 hp
Rated engine RPM
2,400 rpm
Engine torque
91 lb-ft
Engine displacement
2.4 L
Engine cylinders
4 cylinders
Engine model
a 2.4L 4-cylinder turbocharged
Operating weight
3,700 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
43.1 hp
Average
113.7 hp
Low
20 hp
High
310 hp
PTO horsepower comparison
This model
35 hp
Average
101.7 hp
Low
17 hp
High
280 hp
Drawbar horsepower comparison
This model
93 hp
Average
98.4 hp
Low
17 hp
High
250 hp
Operating weight comparison
This model
3,700 lb
Average
10,042.2 lb
Low
317.2 lb
High
27,180 lb
John Deere 4120 Extra Horsepower Notes
Horsepower note
With PTO power at roughly 81.2% of engine horsepower, the John Deere 4120 keeps most of its rated power available for PTO work.
PTO note
The John Deere 4120’s PTO output is 35 hp, about 81.2% of its 43.1 hp engine rating, so PTO implement choice should be based on the PTO number.
Drawbar note
Use 93 hp drawbar horsepower for pulling comparisons and 35 hp PTO horsepower for driven implements on the John Deere 4120.
Power-to-weight note
The John Deere 4120 pairs 43.1 hp with 3,700 lb of operating weight, so the real-world result depends heavily on traction, ballast and tyre setup.
Engine note
Engine details for the John Deere 4120 come together as engine model a 2.4L 4-cylinder turbocharged, 2.4 L displacement, 4 cylinders, rated at 2,400 rpm.
Torque / RPM note
Torque and rated speed on the John Deere 4120 are 91 lb-ft and 2,400 rpm, showing how the engine is set up to work under load.
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.
