Quick answer:
The John Deere Z820A tractor has 25 hp engine horsepower and 25 hp PTO horsepower.
Engine horsepower25 hp
PTO horsepower25 hp
Drawbar horsepower25 hp
Rated RPM540 rpm
Operating weight4,000 lb
John Deere Z820A Horsepower Details
| Engine horsepower | 25 hp |
|---|---|
| PTO horsepower | 25 hp |
| Drawbar horsepower | 25 hp |
| Rated engine RPM | 540 rpm |
| Engine displacement | 1.5 L |
| Engine cylinders | 2 cylinders |
| Engine model | Kawasaki FH721 |
| Operating weight | 4,000 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere Z820A Extra Horsepower Notes
| Horsepower note | Engine and PTO output are nearly matched on the John Deere Z820A, so the listed PTO figure stays close to the engine rating. |
|---|---|
| PTO note | The John Deere Z820A has 25 hp available at the PTO, placing it in the compact utility tractor PTO range rather than a heavy-implement class. |
| Drawbar note | Use 25 hp drawbar horsepower for pulling comparisons and 25 hp PTO horsepower for driven implements on the John Deere Z820A. |
| Power-to-weight note | At 4,000 lb and 25 hp, the John Deere Z820A works out to about 160 lb per engine horsepower, making it balanced enough that both traction and horsepower matter. |
| Engine note | The John Deere Z820A uses engine model Kawasaki FH721, 1.5 L displacement, 2 cylinders, rated at 540 rpm, which helps explain where its horsepower rating comes from. |
| Torque / RPM note | The John Deere Z820A’s horsepower rating is tied to a rated engine speed of 540 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.






