The New Holland 8670A tractor PTO horsepower is 145 hp | 108.1 kW.
PTO HP145 hp | 108.1 kW
Displacement456 ci | 7.5 L
New Holland 8670A Horsepower Specs
PTO horsepower claimed
145 hp | 108.1 kW
New Holland 8670A Useful Horsepower Calculations
Engine size per PTO horsepower
3.1 ci per PTO hp
PTO horsepower per liter
19.3 PTO hp per L
Fuel tank per PTO horsepower
0.8 gal per PTO hp
Rated speed per PTO horsepower
14.5 rpm per PTO hp
New Holland 8670A 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 8670A Fuel, Cooling, Starting & Service Specs
Fuel capacity
110 gal | 416.4 L
Starter volts
12
Battery volts
12
New Holland 8670A Horsepower Comparison Charts
PTO horsepower comparison
This model
145 hp
Average
175 hp
Low
100 hp
High
320 hp
Displacement comparison
This model
456 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
3.1 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 8670A Horsepower FAQ
How much PTO horsepower does the New Holland 8670A have?
The listed PTO output is 145 hp, below the 175 hp benchmark average. For real use, size PTO implements below or near 145 hp rather than using a bigger engine-horsepower number.
How big is the New Holland 8670A 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 8670A engine stressed for its PTO horsepower?
The engine has about 3.1 cubic inches per PTO hp, using 456 ci and 145 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the New Holland 8670A make?
The output density is about 19.3 PTO hp per liter, using 145 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 8670A 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.
