The John Deere 990 tractor has 41 hp engine horsepower and 35 hp PTO horsepower.
Engine horsepower41 hp
PTO horsepower35 hp
Drawbar horsepower35 hp
Rated RPM2,700 rpm
Torque101.4 Nm
Operating weight3,500 lb
John Deere 990 Horsepower Details
Engine horsepower
41 hp
PTO horsepower
35 hp
Drawbar horsepower
35 hp
Rated engine RPM
2,700 rpm
Engine torque
101.4 Nm
Engine displacement
2 L
Engine cylinders
4 cylinders
Engine model
Yanmar 2.0L 4-cylinder
Operating weight
3,500 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
41 hp
Average
99 hp
Low
5 hp
High
640 hp
PTO horsepower comparison
This model
35 hp
Average
86.2 hp
Low
5 hp
High
490 hp
Drawbar horsepower comparison
This model
35 hp
Average
87.8 hp
Low
5.5 hp
High
640 hp
Operating weight comparison
This model
3,500 lb
Average
9,181 lb
Low
320 lb
High
56,320 lb
John Deere 990 Extra Horsepower Notes
Horsepower note
The John Deere 990 is rated at 41 hp engine power and 35 hp at the PTO, a drop of about 6 hp between the engine and PTO.
PTO note
The John Deere 990 has 35 hp available at the PTO, placing it in the compact utility tractor PTO range rather than a heavy-implement class.
Drawbar note
The John Deere 990 combines 35 hp drawbar horsepower with 3,500 lb operating weight, so traction and ballast can matter as much as power for pulling jobs.
Power-to-weight note
At 3,500 lb and 41 hp, the John Deere 990 works out to about 85.4 lb per engine horsepower, making it light for its power, so traction and ballast can become the limiting factor before engine power.
Engine note
With 2 L across 4 cylinders, the John Deere 990 averages about 0.5 L per cylinder.
Torque / RPM note
The John Deere 990 combines 101.4 Nm of torque with a 2,700 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.
