Quick answer:
The John Deere 6603 tractor has 112 hp engine horsepower and 97.1 hp PTO horsepower.
Engine horsepower112 hp
PTO horsepower97.1 hp
Drawbar horsepower97.1 hp
Rated RPM2,100 rpm
Operating weight8,776 lb
John Deere 6603 Horsepower Details
| Engine horsepower | 112 hp |
|---|---|
| PTO horsepower | 97.1 hp |
| Drawbar horsepower | 97.1 hp |
| Rated engine RPM | 2,100 rpm |
| Engine displacement | 6.8 L |
| Engine cylinders | 6 cylinders |
| Engine model | the John Deere 6068T turbocharged |
| Operating weight | 8,776 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere 6603 Extra Horsepower Notes
| Horsepower note | The John Deere 6603 is rated at 112 hp engine power and 97.1 hp at the PTO, a drop of about 14.9 hp between the engine and PTO. |
|---|---|
| PTO note | The John Deere 6603’s 97.1 hp PTO rating should be read with its 2,100 rpm rated engine speed when comparing implement requirements. |
| Drawbar note | The John Deere 6603 combines 97.1 hp drawbar horsepower with 8,776 lb operating weight, so traction and ballast can matter as much as power for pulling jobs. |
| Power-to-weight note | At 8,776 lb and 112 hp, the John Deere 6603 works out to about 78.4 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 6603’s engine setup is engine model the John Deere 6068T turbocharged, 6.8 L displacement, 6 cylinders, rated at 2,100 rpm, matching its mid-size tractor horsepower range. |
| Torque / RPM note | The John Deere 6603 lists 2,100 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.







