Quick answer:
The John Deere F680 tractor has 20 hp engine horsepower and 20 hp PTO horsepower.
Engine horsepower20 hp
PTO horsepower20 hp
Drawbar horsepower20 hp
Rated RPM3,050 rpm
Operating weight1,060 lb
John Deere F680 Horsepower Details
| Engine horsepower | 20 hp |
|---|---|
| PTO horsepower | 20 hp |
| Drawbar horsepower | 20 hp |
| Rated engine RPM | 3,050 rpm |
| Engine displacement | 38.1 cu in |
| Engine model | Kohler Command 20 HP |
| Operating weight | 1,060 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere F680 Extra Horsepower Notes
| Horsepower note | Engine and PTO output are nearly matched on the John Deere F680, so the listed PTO figure stays close to the engine rating. |
|---|---|
| PTO note | The John Deere F680’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 F680 separates pulling work from PTO work with 20 hp drawbar horsepower and 20 hp PTO horsepower. |
| Power-to-weight note | At 1,060 lb and 20 hp, the John Deere F680 works out to about 53 lb per engine horsepower, making it light for its power, so traction and ballast can become the limiting factor before engine power. |
| Engine note | The John Deere F680’s engine setup is engine model Kohler Command 20 HP, 38.1 cu in displacement, rated at 3,050 rpm, matching its low-horsepower compact horsepower range. |
| Torque / RPM note | The John Deere F680 lists 3,050 rpm as the rated engine RPM, which is the speed attached to its power rating. |
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.







