The John Deere STX38 Yellow Deck tractor has 13 hp engine horsepower and 14.5 hp PTO horsepower.
Engine horsepower13 hp
PTO horsepower14.5 hp
Drawbar horsepower12.5 hp
Operating weight433 lb
John Deere STX38 Yellow Deck Horsepower Details
Engine horsepower
13 hp
PTO horsepower
14.5 hp
Drawbar horsepower
12.5 hp
Engine displacement
398 cc
Engine cylinders
1 cylinders
Engine model
a 12.5HP Kohler 398cc 1-cylinder
Operating weight
433 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
13 hp
Average
64.9 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
14.5 hp
Average
57.8 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
12.5 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 Yellow Deck Extra Horsepower Notes
Horsepower note
The John Deere STX38 Yellow Deck loses roughly 3.8% from engine horsepower to drawbar horsepower, which reflects drivetrain, traction and ground-contact losses.
PTO note
For PTO-driven work, the John Deere STX38 Yellow Deck’s practical rating is 14.5 hp, which fits small mower decks, sprayers, light finish mowing and very light PTO jobs.
Drawbar note
The John Deere STX38 Yellow Deck combines 12.5 hp drawbar horsepower with 433 lb operating weight, so traction and ballast can matter as much as power for pulling jobs.
Power-to-weight note
At 433 lb and 13 hp, the John Deere STX38 Yellow Deck works out to about 33.3 lb per engine horsepower, making it light for its power, so traction and ballast can become the limiting factor before engine power.
Engine note
The John Deere STX38 Yellow Deck uses engine model a 12.5HP Kohler 398cc 1-cylinder, 398 cc displacement, 1 cylinders, which helps explain where its horsepower rating comes from.
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.
