Quick answer:
The John Deere 770 tractor has 20 hp engine horsepower and 20 hp PTO horsepower.
Engine horsepower20 hp
PTO horsepower20 hp
Drawbar horsepower20 hp
Rated RPM2,600 rpm
Torque60 lb-ft
John Deere 770 Horsepower Details
| Engine horsepower | 20 hp |
|---|---|
| PTO horsepower | 20 hp |
| Drawbar horsepower | 20 hp |
| Rated engine RPM | 2,600 rpm |
| Engine torque | 60 lb-ft |
| Engine displacement | 1.4 L |
| Engine cylinders | 3 cylinders |
| Engine model | Yanmar 3TN82-RJX |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
John Deere 770 Extra Horsepower Notes
| Horsepower note | The John Deere 770 lists engine horsepower and PTO horsepower very close together at about 20 hp. |
|---|---|
| PTO note | The John Deere 770’s PTO output is 20 hp, about 100% of its 20 hp engine rating, so PTO implement choice should be based on the PTO number. |
| Drawbar note | The John Deere 770 separates pulling work from PTO work with 20 hp drawbar horsepower and 20 hp PTO horsepower. |
| Engine note | The John Deere 770 uses engine model Yanmar 3TN82-RJX, 1.4 L displacement, 3 cylinders, rated at 2,600 rpm, which helps explain where its horsepower rating comes from. |
| Torque / RPM note | The John Deere 770’s 60 lb-ft torque figure should be read with its 1.4 L engine size and 2,600 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.







