Quick answer:
The John Deere 5420 tractor has 81 hp engine horsepower and 66.5 hp PTO horsepower.
Engine horsepower81 hp
PTO horsepower66.5 hp
Drawbar horsepower66.5 hp
Rated RPM2,400 rpm
Torque179.2 lb-ft
John Deere 5420 Horsepower Details
| Engine horsepower | 81 hp |
|---|---|
| PTO horsepower | 66.5 hp |
| Drawbar horsepower | 66.5 hp |
| Rated engine RPM | 2,400 rpm |
| Engine torque | 179.2 lb-ft |
| Engine displacement | 4.5 L |
| Engine cylinders | 4 cylinders |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
John Deere 5420 Extra Horsepower Notes
| Horsepower note | For power comparison, the John Deere 5420 sits at 81 hp engine horsepower with 66.5 hp available at the PTO. |
|---|---|
| PTO note | With 66.5 hp at the PTO, the John Deere 5420 is best matched to larger mowing, rotary cutting, tillage and medium utility implements; implement width and soil/load conditions still matter more than the horsepower number by itself. |
| Drawbar note | At 66.5 hp drawbar power, the John Deere 5420 is about 14.5 hp below its engine rating once power is measured as pull at the ground. |
| Engine note | With 4.5 L across 4 cylinders, the John Deere 5420 averages about 1.1 L per cylinder. |
| Torque / RPM note | The John Deere 5420’s 179.2 lb-ft torque figure should be read with its 4.5 L engine size and 2,400 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.







