The Case IH Farmall 80N tractor engine horsepower is 74 hp | 55.2 kW, and PTO horsepower is 62 hp | 46.2 kW.
Case IH Farmall 80N Horsepower Specs
| Engine gross horsepower | 74 hp | 55.2 kW |
|---|---|
| PTO horsepower claimed | 62 hp | 46.2 kW |
Case IH Farmall 80N Useful Horsepower Calculations
| PTO-to-engine power transfer | 83.8% of engine hp reaches the PTO |
|---|---|
| Engine size per PTO horsepower | 3.3 ci per PTO hp |
| PTO horsepower per liter | 18.2 PTO hp per L |
| Engine size per engine horsepower | 2.8 ci per engine hp |
| Engine horsepower per liter | 21.8 engine hp per L |
| Rated speed per PTO horsepower | 37.1 rpm per PTO hp |
Case IH Farmall 80N Engine Specs
| Engine type | turbocharged aftercooled diesel |
|---|---|
| Displacement | 207 ci | 3.4 L |
| Bore and stroke | 3.90×4.33 inches | 99 x 110 mm |
| Rated RPM | 2300 |
Case IH Farmall 80N Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
Case IH Farmall 80N 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.
Case IH Farmall 80N Horsepower FAQ
How much horsepower does the Case IH Farmall 80N have?
The listed engine output is 74 hp, close to the 80 hp benchmark average. That puts the tractor in a normal working range for this benchmark group, with 74 hp as the main engine number.
How much PTO horsepower does the Case IH Farmall 80N have?
The listed PTO output is 62 hp, close to the 65 hp benchmark average. Use 62 PTO hp as the practical implement-sizing number.
How much engine power reaches the PTO on the Case IH Farmall 80N?
The PTO-to-engine transfer works out to 83.8%, from 74 engine hp to 62 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the Case IH Farmall 80N engine?
The engine displacement is 207 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the Case IH Farmall 80N engine stressed for its PTO horsepower?
The engine has about 3.3 cubic inches per PTO hp, using 207 ci and 62 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Case IH Farmall 80N make?
The output density is about 18.2 PTO hp per liter, using 62 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.
What rpm is the Case IH Farmall 80N 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 caseih.com website before buying parts, sizing implements or making repair decisions.
