Quick answer:
The John Deere M tractor has 18.1 hp engine horsepower and 20.4 hp PTO horsepower.
Engine horsepower18.1 hp
PTO horsepower20.4 hp
Drawbar horsepower18 hp
Rated RPM2,400 rpm
Operating weight8,750 lb
John Deere M Horsepower Details
| Engine horsepower | 18.1 hp |
|---|---|
| PTO horsepower | 20.4 hp |
| Drawbar horsepower | 18 hp |
| Rated engine RPM | 2,400 rpm |
| Engine displacement | 2.2 L |
| Operating weight | 8,750 lb |
Horsepower Comparison Chart
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Operating weight comparison
John Deere M Extra Horsepower Notes
| Horsepower note | The John Deere M loses roughly 0.8% from engine horsepower to drawbar horsepower, which reflects drivetrain, traction and ground-contact losses. |
|---|---|
| PTO note | The John Deere M’s PTO output is 20.4 hp, about 112.7% of its 18.1 hp engine rating, so PTO implement choice should be based on the PTO number. |
| Drawbar note | For plows, ground tools and pull-type loads, the John Deere M’s 18 hp drawbar horsepower says more than engine horsepower alone. |
| Power-to-weight note | The John Deere M pairs 18.1 hp with 8,750 lb of operating weight, so the real-world result depends heavily on traction, ballast and tyre setup. |
| Engine note | The John Deere M uses 2.2 L displacement, rated at 2,400 rpm, which helps explain where its horsepower rating comes from. |
| Torque / RPM note | The John Deere M’s horsepower rating is tied to a rated engine speed of 2,400 rpm. |
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.







