Quick answer:
The John Deere 4320 tractor has 115 hp engine horsepower and 40.5 hp PTO horsepower.
Engine horsepower115 hp
PTO horsepower40.5 hp
John Deere 4320 Horsepower Details
| Engine horsepower | 115 hp |
|---|---|
| PTO horsepower | 40.5 hp |
| Engine displacement | 6.6 L |
| Engine cylinders | 6 cylinders |
| Engine model | John Deere 6.6L 6-cylinder |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
John Deere 4320 Extra Horsepower Notes
| Horsepower note | The useful spread on the John Deere 4320 is small: 115 hp engine horsepower versus 40.5 hp PTO horsepower. |
|---|---|
| PTO note | The John Deere 4320 has 40.5 hp available at the PTO, placing it in the mid-size tractor PTO range rather than a heavy-implement class. |
| Engine note | The John Deere 4320 uses engine model John Deere 6.6L 6-cylinder, 6.6 L displacement, 6 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.







