The Massey Ferguson 7715S tractor engine horsepower is 140 hp | 104.4 kW, PTO horsepower is 120 hp | 89.5 kW, and the drawbar horsepower is 107.5 hp | 80.2 kW.
Benchmarks use practical low, average and high ranges for the large ag tractor category. Use the operator manual and actual engine/tractor configuration before sizing implements or judging working power.
Massey Ferguson 7715S Horsepower FAQ
How much horsepower does the Massey Ferguson 7715S have?
The listed engine output is 140 hp, below the 210 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 140 hp.
How much PTO horsepower does the Massey Ferguson 7715S have?
The listed PTO output is 120 hp, below the 175 hp benchmark average. For real use, size PTO implements below or near 120 hp rather than using a bigger engine-horsepower number.
How much drawbar horsepower does the Massey Ferguson 7715S have?
The listed drawbar output is 107.5 hp, below the 150 hp benchmark average. For pulling work, the safer assumption is about 107.5 hp at the drawbar before soil, ballast and tire limits are considered.
How much engine power reaches the PTO on the Massey Ferguson 7715S?
The PTO-to-engine transfer works out to 85.7%, from 140 engine hp to 120 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the Massey Ferguson 7715S for pulling work?
The drawbar-to-engine transfer is about 76.8%, from 140 engine hp to 107.5 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the Massey Ferguson 7715S better judged by PTO hp or drawbar hp?
The drawbar output is about 89.6% of PTO output, comparing 107.5 drawbar hp with 120 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the Massey Ferguson 7715S engine?
The engine displacement is 402.5 ci, below the 520 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the Massey Ferguson 7715S engine stressed for its PTO horsepower?
The engine has about 3.4 cubic inches per PTO hp, using 402.5 ci and 120 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Massey Ferguson 7715S make?
The output density is about 18.2 PTO hp per liter, using 120 PTO hp and 6.6 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
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.
