Quick answer:
The John Deere 8770 tractor has 300 hp engine horsepower and 256 hp PTO horsepower.
Engine horsepower300 hp
PTO horsepower256 hp
Drawbar horsepower242.5 hp
Rated RPM2,100 rpm
Torque1,000 lb-ft
Operating weight31,438 lb
John Deere 8770 Horsepower Details
| Engine horsepower | 300 hp |
|---|---|
| PTO horsepower | 256 hp |
| Drawbar horsepower | 242.5 hp |
| Rated engine RPM | 2,100 rpm |
| Engine torque | 1,000 lb-ft |
| Engine displacement | 619 cu in |
| Engine model | John Deere |
| Operating weight | 31,438 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere 8770 Extra Horsepower Notes
| Horsepower note | For power comparison, the John Deere 8770 sits at 300 hp engine horsepower with 256 hp available at the PTO. |
|---|---|
| PTO note | The John Deere 8770 has 256 hp available at the PTO, placing it in the high-horsepower tractor PTO range rather than a heavy-implement class. |
| Drawbar note | The John Deere 8770’s 242.5 hp drawbar rating is the better number for ground-pulling work than the 300 hp engine rating. |
| Power-to-weight note | Using 31,438 lb operating weight and 300 hp engine power, the John Deere 8770 comes out at roughly 104.8 lb per engine horsepower, meaning it is balanced enough that both traction and horsepower matter. |
| Engine note | The John Deere 8770’s engine setup is engine model John Deere, 619 cu in displacement, rated at 2,100 rpm, matching its high-horsepower horsepower range. |
| Torque / RPM note | The John Deere 8770’s 1,000 lb-ft torque figure should be read with its 619 cu in engine size and 2,100 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.







