Quick answer:
The John Deere 50A tractor has 49 hp engine horsepower and 31 hp PTO horsepower.
Engine horsepower49 hp
PTO horsepower31 hp
Drawbar horsepower28.1 hp
Rated RPM2,600 rpm
Torque107 lb-ft
Operating weight4,855 lb
John Deere 50A Horsepower Details
| Engine horsepower | 49 hp |
|---|---|
| PTO horsepower | 31 hp |
| Drawbar horsepower | 28.1 hp |
| Rated engine RPM | 2,600 rpm |
| Engine torque | 107 lb-ft |
| Engine displacement | 2.1 L |
| Engine cylinders | 2 cylinders |
| Operating weight | 4,855 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere 50A Extra Horsepower Notes
| Horsepower note | The useful spread on the John Deere 50A is small: 49 hp engine horsepower versus 31 hp PTO horsepower. |
|---|---|
| PTO note | For PTO-driven work, the John Deere 50A’s practical rating is 31 hp, which fits finish mowing, light-duty rotary cutting, light tilling and small utility PTO jobs. |
| Drawbar note | At 28.1 hp drawbar power, the John Deere 50A is about 20.9 hp below its engine rating once power is measured as pull at the ground. |
| Power-to-weight note | The John Deere 50A’s weight-to-power figure is about 99.1 lb per engine horsepower; that means it is light for its power, so traction and ballast can become the limiting factor before engine power. |
| Engine note | The John Deere 50A uses 2.1 L displacement, 2 cylinders, rated at 2,600 rpm, which helps explain where its horsepower rating comes from. |
| Torque / RPM note | Torque and rated speed on the John Deere 50A are 107 lb-ft and 2,600 rpm, showing how the engine is set up to work under load. |
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.







