The John Deere STX38 tractor has 12.5 hp engine horsepower and 12.5 hp PTO horsepower.
Engine horsepower12.5 hp
PTO horsepower12.5 hp
Drawbar horsepower10.5 hp
Rated RPM3,600 rpm
Operating weight433 lb
John Deere STX38 Horsepower Details
Engine horsepower
12.5 hp
PTO horsepower
12.5 hp
Drawbar horsepower
10.5 hp
Rated engine RPM
3,600 rpm
Engine displacement
24.3 cu in
Engine cylinders
1 cylinders
Engine model
a 13HP Kohler 398cc 1-cylinder
Operating weight
433 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
12.5 hp
Average
64.9 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
12.5 hp
Average
57.8 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
10.5 hp
Average
57 hp
Low
5.5 hp
High
470 hp
Operating weight comparison
This model
433 lb
Average
5,791.3 lb
Low
300 lb
High
59,000 lb
John Deere STX38 Extra Horsepower Notes
Horsepower note
Engine and PTO output are nearly matched on the John Deere STX38, so the listed PTO figure stays close to the engine rating.
PTO note
The John Deere STX38’s PTO output is 12.5 hp, about 100% of its 12.5 hp engine rating, so PTO implement choice should be based on the PTO number.
Drawbar note
For plows, ground tools and pull-type loads, the John Deere STX38’s 10.5 hp drawbar horsepower says more than engine horsepower alone.
Power-to-weight note
The John Deere STX38 pairs 12.5 hp with 433 lb of operating weight, so the real-world result depends heavily on traction, ballast and tyre setup.
Engine note
With 24.3 cu in across 1 cylinders, the John Deere STX38 averages about 24.3 L per cylinder.
Torque / RPM note
The John Deere STX38 lists 3,600 rpm as the rated engine RPM, which is the speed attached to its power rating.
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.
