Quick answer:
The John Deere 790 tractor has 30 hp engine horsepower and 24 hp PTO horsepower.
Engine horsepower30 hp
PTO horsepower24 hp
Drawbar horsepower26 hp
Rated RPM2,700 rpm
Torque73.3 Nm
John Deere 790 Horsepower Details
| Engine horsepower | 30 hp |
|---|---|
| PTO horsepower | 24 hp |
| Drawbar horsepower | 26 hp |
| Rated engine RPM | 2,700 rpm |
| Engine torque | 73.3 Nm |
| Engine displacement | 1.5 L |
| Engine cylinders | 3 cylinders |
| Engine model | the Yanmar 3TNE84 |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
John Deere 790 Extra Horsepower Notes
| Horsepower note | For power comparison, the John Deere 790 sits at 30 hp engine horsepower with 24 hp available at the PTO. |
|---|---|
| PTO note | The John Deere 790’s 24 hp PTO rating should be read with its 2,700 rpm rated engine speed when comparing implement requirements. |
| Drawbar note | The John Deere 790’s 26 hp drawbar rating is the better number for ground-pulling work than the 30 hp engine rating. |
| Engine note | With 1.5 L across 3 cylinders, the John Deere 790 averages about 0.5 L per cylinder. |
| Torque / RPM note | The John Deere 790’s 73.3 Nm torque figure should be read with its 1.5 L engine size and 2,700 rpm rated speed. |
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.







