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 8S.285 Horsepower FAQ
How much horsepower does the Massey Ferguson 8S.285 have?
The listed engine output is 281.6 hp, above the 210 hp benchmark average. That is a higher-power result, so ballast, tire setup and implement width matter if you want to use the full 281.6 hp.
How much PTO horsepower does the Massey Ferguson 8S.285 have?
The listed PTO output is 245.4 hp, above the 175 hp benchmark average. That is the number to use for mowers, balers, augers, pumps and other PTO tools that need up to about 245.4 hp.
How much engine power reaches the PTO on the Massey Ferguson 8S.285?
The PTO-to-engine transfer works out to 87.1%, from 281.6 engine hp to 245.4 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the Massey Ferguson 8S.285 engine?
The engine displacement is 449.4 ci, below the 520 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the Massey Ferguson 8S.285 engine stressed for its PTO horsepower?
The engine has about 1.8 cubic inches per PTO hp, using 449.4 ci and 245.4 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the Massey Ferguson 8S.285 make?
The output density is about 33.2 PTO hp per liter, using 245.4 PTO hp and 7.4 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
How much torque does the Massey Ferguson 8S.285 have?
The listed torque is 929.3 lb-ft, above the 700 lb-ft benchmark average. The 929.3 lb-ft figure is useful for lugging, loader work and heavy PTO load recovery.
Does the Massey Ferguson 8S.285 have good torque for its PTO horsepower?
The torque-to-PTO-power figure is about 3.8 lb-ft per PTO hp, using 929.3 lb-ft and 245.4 PTO hp. A higher number usually points to a slower, gruntier working feel.
What rpm is the Massey Ferguson 8S.285 rated at?
The rated speed is 1,850 rpm, close to the 2,100 rpm benchmark average. The 1,850 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.
