The New Holland PowerStar 90 tractor engine horsepower is 86 hp | 64.1 kW, and PTO horsepower is 73 hp | 54.4 kW.
Engine HP86 hp | 64.1 kW
PTO HP73 hp | 54.4 kW
PTO Transfer84.9%
Displacement206.7 ci | 3.4 L
New Holland PowerStar 90 Horsepower Specs
Engine gross horsepower
86 hp | 64.1 kW
PTO horsepower claimed
73 hp | 54.4 kW
New Holland PowerStar 90 Useful Horsepower Calculations
PTO-to-engine power transfer
84.9% of engine hp reaches the PTO
Engine size per PTO horsepower
2.8 ci per PTO hp
PTO horsepower per liter
21.5 PTO hp per L
Engine size per engine horsepower
2.4 ci per engine hp
Engine horsepower per liter
25.3 engine hp per L
New Holland PowerStar 90 Engine Specs
Engine model
year
Engine type
turbocharged aftercooled diesel
Displacement
206.7 ci | 3.4 L
Bore and stroke
3.898×4.331 inches | 99 x 110 mm
New Holland PowerStar 90 Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
New Holland PowerStar 90 Horsepower Comparison Charts
Engine horsepower comparison
This model
86 hp
Average
80 hp
Low
45 hp
High
120 hp
PTO horsepower comparison
This model
73 hp
Average
65 hp
Low
35 hp
High
105 hp
Displacement comparison
This model
206.7 ci
Average
260 ci
Low
150 ci
High
380 ci
Engine size per PTO HP
This model
2.8 ci/hp
Average
3.5 ci/hp
Low
2.2 ci/hp
High
5.8 ci/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.
New Holland PowerStar 90 Horsepower FAQ
How much horsepower does the New Holland PowerStar 90 have?
The listed engine output is 86 hp, close to the 80 hp benchmark average. That puts the tractor in a normal working range for this benchmark group, with 86 hp as the main engine number.
How much PTO horsepower does the New Holland PowerStar 90 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 much engine power reaches the PTO on the New Holland PowerStar 90?
The PTO-to-engine transfer works out to 84.9%, from 86 engine hp to 73 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the New Holland PowerStar 90 engine?
The engine displacement is 206.7 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the New Holland PowerStar 90 engine stressed for its PTO horsepower?
The engine has about 2.8 cubic inches per PTO hp, using 206.7 ci and 73 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the New Holland PowerStar 90 make?
The output density is about 21.5 PTO hp per liter, using 73 PTO hp and 3.4 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 newholland.com website before buying parts, sizing implements or making repair decisions.
