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 251XE Horsepower FAQ
How much horsepower does the Massey Ferguson 251XE have?
The listed engine output is 48 hp, below the 80 hp benchmark average. That is a lower-power result, so the smarter match is lighter implements and jobs that do not demand more than about 48 hp.
How much PTO horsepower does the Massey Ferguson 251XE have?
The listed PTO output is 45 hp, below the 65 hp benchmark average. For real use, size PTO implements below or near 45 hp rather than using a bigger engine-horsepower number.
How much engine power reaches the PTO on the Massey Ferguson 251XE?
The PTO-to-engine transfer works out to 93.8%, from 48 engine hp to 45 PTO hp. That is a strong transfer figure when the two specs are from the same configuration.
How big is the Massey Ferguson 251XE engine?
The engine displacement is 165 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the Massey Ferguson 251XE engine stressed for its PTO horsepower?
The engine has about 3.7 cubic inches per PTO hp, using 165 ci and 45 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Massey Ferguson 251XE make?
The output density is about 16.7 PTO hp per liter, using 45 PTO hp and 2.7 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 251XE rated at?
The rated speed is 2,250 rpm, close to the 2,200 rpm benchmark average. The 2,250 rpm figure is around normal for this class.
Official information note
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.
