The New Holland T9.580 tractor engine horsepower is 517.8 hp | 386.1 kW, and PTO horsepower is 508.9 hp | 379.5 kW.
Engine HP517.8 hp | 386.1 kW
PTO HP508.9 hp | 379.5 kW
PTO Transfer98.3%
Displacement787 ci | 12.9 L
New Holland T9.580 Horsepower Specs
Engine gross horsepower
517.8 hp | 386.1 kW
PTO horsepower claimed
508.9 hp | 379.5 kW
New Holland T9.580 Useful Horsepower Calculations
PTO-to-engine power transfer
98.3% of engine hp reaches the PTO
Engine size per PTO horsepower
1.5 ci per PTO hp
PTO horsepower per liter
39.4 PTO hp per L
Engine size per engine horsepower
1.5 ci per engine hp
Engine horsepower per liter
40.1 engine hp per L
Rated speed per PTO horsepower
4.1 rpm per PTO hp
New Holland T9.580 Engine Specs
Engine type
turbocharged aftercooled diesel
Displacement
787 ci | 12.9 L
Bore and stroke
5.31×5.91 inches | 135 x 150 mm
Rated RPM
2100
New Holland T9.580 Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
New Holland T9.580 Horsepower Comparison Charts
Engine horsepower comparison
This model
517.8 hp
Average
210 hp
Low
120 hp
High
380 hp
PTO horsepower comparison
This model
508.9 hp
Average
175 hp
Low
100 hp
High
320 hp
Displacement comparison
This model
787 ci
Average
520 ci
Low
360 ci
High
750 ci
Rated RPM comparison
This model
2,100 rpm
Average
2,100 rpm
Low
1,600 rpm
High
2,500 rpm
Engine size per PTO HP
This model
1.5 ci/hp
Average
3.3 ci/hp
Low
2 ci/hp
High
5.2 ci/hp
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.
New Holland T9.580 Horsepower FAQ
How much horsepower does the New Holland T9.580 have?
The listed engine output is 517.8 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 517.8 hp.
How much PTO horsepower does the New Holland T9.580 have?
The listed PTO output is 508.9 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 508.9 hp.
How much engine power reaches the PTO on the New Holland T9.580?
The PTO-to-engine transfer works out to 98.3%, from 517.8 engine hp to 508.9 PTO hp. That is a strong transfer figure when the two specs are from the same configuration.
How big is the New Holland T9.580 engine?
The engine displacement is 787 ci, above the 520 ci benchmark average. Bigger displacement can help low-rpm pull and load-holding feel.
Is the New Holland T9.580 engine stressed for its PTO horsepower?
The engine has about 1.6 cubic inches per PTO hp, using 787 ci and 508.9 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the New Holland T9.580 make?
The output density is about 39.5 PTO hp per liter, using 508.9 PTO hp and 12.9 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 New Holland T9.580 rated at?
The rated speed is 2,100 rpm, close to the 2,100 rpm benchmark average. The 2,100 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 newholland.com website before buying parts, sizing implements or making repair decisions.
