The John Deere 7820 tractor has 189.1 hp engine horsepower and 156.6 hp PTO horsepower.
Engine horsepower189.1 hp
PTO horsepower156.6 hp
Drawbar horsepower175 hp
Torque666 lb-ft
Operating weight17,230 lb
John Deere 7820 Horsepower Details
Engine horsepower
189.1 hp
PTO horsepower
156.6 hp
Drawbar horsepower
175 hp
Engine torque
666 lb-ft
Engine displacement
6.8 L
Engine cylinders
6 cylinders
Engine model
turbocharged 8.1L 6-cylinder
Operating weight
17,230 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
189.1 hp
Average
113.7 hp
Low
20 hp
High
310 hp
PTO horsepower comparison
This model
156.6 hp
Average
101.7 hp
Low
17 hp
High
280 hp
Drawbar horsepower comparison
This model
175 hp
Average
98.4 hp
Low
17 hp
High
250 hp
Operating weight comparison
This model
17,230 lb
Average
10,042.2 lb
Low
317.2 lb
High
27,180 lb
John Deere 7820 Extra Horsepower Notes
Horsepower note
The John Deere 7820 is rated at 189.1 hp engine power and 156.6 hp at the PTO, a drop of about 32.5 hp between the engine and PTO.
PTO note
The John Deere 7820 has 156.6 hp available at the PTO, placing it in the large row-crop tractor PTO range rather than a heavy-implement class.
Drawbar note
At 175 hp drawbar power, the John Deere 7820 is about 14.1 hp below its engine rating once power is measured as pull at the ground.
Power-to-weight note
The John Deere 7820’s weight-to-power figure is about 91.1 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 7820 come together as engine model turbocharged 8.1L 6-cylinder, 6.8 L displacement, 6 cylinders.
Torque / RPM note
The John Deere 7820 torque spec is 666 lb-ft, which matters when the tractor has to recover 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.
