The New Holland 8770A tractor PTO horsepower is 160 hp | 119.3 kW.
New Holland 8770A Horsepower Specs
| PTO horsepower claimed | 160 hp | 119.3 kW |
|---|
New Holland 8770A Useful Horsepower Calculations
| Engine size per PTO horsepower | 2.9 ci per PTO hp |
|---|---|
| PTO horsepower per liter | 21.3 PTO hp per L |
| Fuel tank per PTO horsepower | 0.7 gal per PTO hp |
| Rated speed per PTO horsepower | 13.1 rpm per PTO hp |
New Holland 8770A Engine Specs
| Engine type | turbocharged intercooled diesel |
|---|---|
| Displacement | 456 ci | 7.5 L |
| Bore and stroke | 4.40×5.00 inches | 112 x 127 mm |
| Compression | 17.5:1 |
| Rated RPM | 2100 |
New Holland 8770A Fuel, Cooling, Starting & Service Specs
| Fuel capacity | 110 gal | 416.4 L |
|---|---|
| Starter volts | 12 |
| Battery volts | 12 |
New Holland 8770A Horsepower Comparison Charts
PTO horsepower comparison
Displacement comparison
Rated RPM comparison
Engine size per PTO 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 8770A Horsepower FAQ
How much PTO horsepower does the New Holland 8770A have?
The listed PTO output is 160 hp, close to the 175 hp benchmark average. Use 160 PTO hp as the practical implement-sizing number.
How big is the New Holland 8770A engine?
The engine displacement is 456 ci, below the 520 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the New Holland 8770A engine stressed for its PTO horsepower?
The engine has about 2.9 cubic inches per PTO hp, using 456 ci and 160 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the New Holland 8770A make?
The output density is about 21.3 PTO hp per liter, using 160 PTO hp and 7.5 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 8770A 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.
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.

