Quick answer:
The John Deere LA120 tractor has 21 hp engine horsepower and 18.5 hp PTO horsepower.
Engine horsepower21 hp
PTO horsepower18.5 hp
Drawbar horsepower18.5 hp
Rated RPM2,600 rpm
John Deere LA120 Horsepower Details
| Engine horsepower | 21 hp |
|---|---|
| PTO horsepower | 18.5 hp |
| Drawbar horsepower | 18.5 hp |
| Rated engine RPM | 2,600 rpm |
| Engine displacement | 44.2 cu in |
| Engine cylinders | 2 cylinders |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
John Deere LA120 Extra Horsepower Notes
| Horsepower note | The useful spread on the John Deere LA120 is small: 21 hp engine horsepower versus 18.5 hp PTO horsepower. |
|---|---|
| PTO note | Use the John Deere LA120’s 18.5 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 LA120’s 18.5 hp drawbar horsepower says more than engine horsepower alone. |
| Engine note | The John Deere LA120 uses 44.2 cu in displacement, 2 cylinders, rated at 2,600 rpm, which helps explain where its horsepower rating comes from. |
| Torque / RPM note | Use the John Deere LA120’s 2,600 rpm rated RPM when comparing engine specs across similar tractors. |
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.







