The New Holland T4.90 tractor engine horsepower is 87 hp | 64.9 kW, and PTO horsepower is 75 hp | 55.9 kW.
New Holland T4.90 Horsepower Specs
| Engine gross horsepower | 87 hp | 64.9 kW |
|---|---|
| PTO horsepower claimed | 75 hp | 55.9 kW |
New Holland T4.90 Useful Horsepower Calculations
| PTO-to-engine power transfer | 86.2% of engine hp reaches the PTO |
|---|---|
| Engine size per PTO horsepower | 2.6 ci per PTO hp |
| PTO horsepower per liter | 23.4 PTO hp per L |
| Engine size per engine horsepower | 2.2 ci per engine hp |
| Engine horsepower per liter | 27.2 engine hp per L |
| Rated speed per PTO horsepower | 30.7 rpm per PTO hp |
New Holland T4.90 Engine Specs
| Engine type | turbocharged intercooled diesel |
|---|---|
| Displacement | 195 ci | 3.2 L |
| Bore and stroke | 3.898×4.094 inches | 99 x 104 mm |
| Emissions | Tier 3 |
| Rated RPM | 2300 |
New Holland T4.90 Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
New Holland T4.90 Horsepower Comparison Charts
Engine horsepower comparison
PTO horsepower comparison
Displacement comparison
Rated RPM comparison
Engine size per PTO 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 T4.90 Horsepower FAQ
How much horsepower does the New Holland T4.90 have?
The listed engine output is 87 hp, close to the 80 hp benchmark average. That puts the tractor in a normal working range for this benchmark group, with 87 hp as the main engine number.
How much PTO horsepower does the New Holland T4.90 have?
The listed PTO output is 75 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 75 hp.
How much engine power reaches the PTO on the New Holland T4.90?
The PTO-to-engine transfer works out to 86.2%, from 87 engine hp to 75 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the New Holland T4.90 engine?
The engine displacement is 195 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the New Holland T4.90 engine stressed for its PTO horsepower?
The engine has about 2.6 cubic inches per PTO hp, using 195 ci and 75 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the New Holland T4.90 make?
The output density is about 23.4 PTO hp per liter, using 75 PTO hp and 3.2 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 T4.90 rated at?
The rated speed is 2,300 rpm, close to the 2,200 rpm benchmark average. The 2,300 rpm figure is around normal for this class.
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.
