The John Deere S170 tractor has 21 hp engine horsepower and 21 hp PTO horsepower.
Engine horsepower21 hp
PTO horsepower21 hp
Drawbar horsepower18.5 hp
Rated RPM3,600 rpm
John Deere S170 Horsepower Details
Engine horsepower
21 hp
PTO horsepower
21 hp
Drawbar horsepower
18.5 hp
Rated engine RPM
3,600 rpm
Engine displacement
44.2 cu in
Horsepower Comparison Chart
Engine horsepower comparison
This model
21 hp
Average
64.9 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
21 hp
Average
57.8 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
18.5 hp
Average
57 hp
Low
5.5 hp
High
470 hp
John Deere S170 Extra Horsepower Notes
Horsepower note
Engine and PTO output are nearly matched on the John Deere S170, so the listed PTO figure stays close to the engine rating.
PTO note
Use the John Deere S170’s 21 hp PTO rating when sizing implements; the 21 hp engine rating is not the number the implement actually receives.
Drawbar note
For plows, ground tools and pull-type loads, the John Deere S170’s 18.5 hp drawbar horsepower says more than engine horsepower alone.
Engine note
Engine details for the John Deere S170 come together as 44.2 cu in displacement, rated at 3,600 rpm.
Torque / RPM note
The John Deere S170’s horsepower rating is tied to a rated engine speed of 3,600 rpm.
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.
