The Massey Ferguson 394S tractor PTO horsepower is 73 hp | 54.4 kW.
Massey Ferguson 394S Horsepower Specs
| PTO horsepower claimed | 73 hp | 54.4 kW |
|---|
Massey Ferguson 394S Useful Horsepower Calculations
| Engine size per PTO horsepower | 3.4 ci per PTO hp |
|---|---|
| PTO horsepower per liter | 17.8 PTO hp per L |
| Rated speed per PTO horsepower | 30.1 rpm per PTO hp |
Massey Ferguson 394S Engine Specs
| Displacement | 248 ci | 4.1 L |
|---|---|
| Bore and stroke | 3.975×5.00 inches | 101 x 127 mm |
| Rated RPM | 2200 |
Massey Ferguson 394S Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
Massey Ferguson 394S Horsepower Comparison Charts
PTO horsepower comparison
Displacement comparison
Rated RPM comparison
Engine size per PTO HP
Benchmarks use practical low, average and high ranges for the utility tractor category. Use the operator manual and actual engine/tractor configuration before sizing implements or judging working power.
Massey Ferguson 394S Horsepower FAQ
How much PTO horsepower does the Massey Ferguson 394S have?
The listed PTO output is 73 hp, above the 65 hp benchmark average. That is the number to use for mowers, balers, augers, pumps and other PTO tools that need up to about 73 hp.
How big is the Massey Ferguson 394S engine?
The engine displacement is 248 ci, close to the 260 ci benchmark average. It is close to the normal engine-size range for this horsepower class.
Is the Massey Ferguson 394S engine stressed for its PTO horsepower?
The engine has about 3.4 cubic inches per PTO hp, using 248 ci and 73 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Massey Ferguson 394S make?
The output density is about 17.8 PTO hp per liter, using 73 PTO hp and 4.1 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
What rpm is the Massey Ferguson 394S rated at?
The rated speed is 2,200 rpm, close to the 2,200 rpm benchmark average. The 2,200 rpm figure is around normal for this class.
Horsepower and engine specs can vary by year, market, engine option, fuel system, test standard and tractor configuration. Check the operator manual, spec plate, parts book and official masseyferguson.com website before buying parts, sizing implements or making repair decisions.

