The John Deere 8R 440 tractor has 625 hp engine horsepower and 440 hp PTO horsepower.
Engine horsepower625 hp
PTO horsepower440 hp
Drawbar horsepower386 hp
Rated RPM2,200 rpm
Torque1,620 lb-ft
Operating weight30,050 lb
John Deere 8R 440 Horsepower Details
Engine horsepower
625 hp
PTO horsepower
440 hp
Drawbar horsepower
386 hp
Rated engine RPM
2,200 rpm
Engine torque
1,620 lb-ft
Engine displacement
9 L
Engine cylinders
6 cylinders
Engine model
a 13.6L 6-cylinder
Operating weight
30,050 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
625 hp
Average
99 hp
Low
5 hp
High
640 hp
PTO horsepower comparison
This model
440 hp
Average
86.2 hp
Low
5 hp
High
490 hp
Drawbar horsepower comparison
This model
386 hp
Average
87.8 hp
Low
5.5 hp
High
640 hp
Operating weight comparison
This model
30,050 lb
Average
9,181 lb
Low
320 lb
High
56,320 lb
John Deere 8R 440 Extra Horsepower Notes
Horsepower note
With PTO power at roughly 70.4% of engine horsepower, the John Deere 8R 440 keeps most of its rated power available for PTO work.
PTO note
With 440 hp at the PTO, the John Deere 8R 440 is best matched to large PTO-driven equipment where the implement horsepower requirement matters more than the engine rating; large implements still need to be matched by PTO requirement, ballast, traction and transmission setup.
Drawbar note
The John Deere 8R 440 combines 386 hp drawbar horsepower with 30,050 lb operating weight, so traction and ballast can matter as much as power for pulling jobs.
Power-to-weight note
Using 30,050 lb operating weight and 625 hp engine power, the John Deere 8R 440 comes out at roughly 48.1 lb per engine horsepower, meaning it is light for its power, so traction and ballast can become the limiting factor before engine power.
Engine note
With 9 L across 6 cylinders, the John Deere 8R 440 averages about 1.5 L per cylinder.
Torque / RPM note
The John Deere 8R 440 combines 1,620 lb-ft of torque with a 2,200 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.
