Quick answer:
The John Deere 9RX 540 tractor has 640 hp engine horsepower and 335 hp PTO horsepower.
Engine horsepower640 hp
PTO horsepower335 hp
Drawbar horsepower532.4 hp
Rated RPM2,100 rpm
Torque2,008 lb-ft
Operating weight46,000 lb
John Deere 9RX 540 Horsepower Details
| Engine horsepower | 640 hp |
|---|---|
| PTO horsepower | 335 hp |
| Drawbar horsepower | 532.4 hp |
| Rated engine RPM | 2,100 rpm |
| Engine torque | 2,008 lb-ft |
| Engine displacement | 13.6 L |
| Engine cylinders | 6 cylinders |
| Engine model | a 13.6L 6-cylinder |
| Operating weight | 46,000 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere 9RX 540 Extra Horsepower Notes
| Horsepower note | The John Deere 9RX 540 shows 640 hp at the engine and 335 hp at the PTO, which is a large gap between engine power and PTO power for a high-horsepower tractor. |
|---|---|
| PTO note | For PTO-driven work, the John Deere 9RX 540’s practical rating is 335 hp, which fits large PTO-driven equipment where the implement horsepower requirement matters more than the engine rating. |
| Drawbar note | At 532.4 hp drawbar power, the John Deere 9RX 540 is about 107.6 hp below its engine rating once power is measured as pull at the ground. |
| Power-to-weight note | At 46,000 lb and 640 hp, the John Deere 9RX 540 works out to about 71.9 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 9RX 540’s 13.6 L engine makes 640 hp, or about 47.1 hp per litre. |
| Torque / RPM note | The John Deere 9RX 540 combines 2,008 lb-ft of torque with a 2,100 rpm rated engine speed, which fits a lower-speed tractor engine setup. |
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.
