The Case IH Farmall 80 tractor engine horsepower is 72 hp | 53.7 kW, PTO horsepower is 62 hp | 46.2 kW, and the drawbar horsepower is 59.7 hp | 44.5 kW.
Case IH Farmall 80 Horsepower Specs
| Engine gross horsepower | 72 hp | 53.7 kW |
|---|---|
| PTO horsepower claimed | 62 hp | 46.2 kW |
| PTO horsepower tested | 72.1 hp | 53.8 kW |
| Drawbar horsepower tested | 59.7 hp | 44.5 kW |
Case IH Farmall 80 Useful Horsepower Calculations
| PTO-to-engine power transfer | 86.1% of engine hp reaches the PTO |
|---|---|
| Drawbar-to-engine power transfer | 82.9% of engine hp reaches the drawbar |
| Drawbar-to-PTO power ratio | 96.3% drawbar hp vs PTO hp |
| Engine size per PTO horsepower | 3.1 ci per PTO hp |
| PTO horsepower per liter | 19.4 PTO hp per L |
| Engine size per engine horsepower | 2.7 ci per engine hp |
| Engine horsepower per liter | 22.5 engine hp per L |
| Rated speed per PTO horsepower | 40.3 rpm per PTO hp |
Case IH Farmall 80 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 | 2500 |
Case IH Farmall 80 Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
Case IH Farmall 80 Horsepower Comparison Charts
Engine horsepower comparison
PTO horsepower comparison
Drawbar 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 80 Horsepower FAQ
How much horsepower does the Case IH Farmall 80 have?
The listed engine output is 72 hp, close to the 80 hp benchmark average. That puts the tractor in a normal working range for this benchmark group, with 72 hp as the main engine number.
How much PTO horsepower does the Case IH Farmall 80 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 drawbar horsepower does the Case IH Farmall 80 have?
The listed drawbar output is 59.7 hp, close to the 55 hp benchmark average. It gives a realistic pulling-power figure of about 59.7 hp.
How much engine power reaches the PTO on the Case IH Farmall 80?
The PTO-to-engine transfer works out to 86.1%, from 72 engine hp to 62 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the Case IH Farmall 80 for pulling work?
The drawbar-to-engine transfer is about 82.9%, from 72 engine hp to 59.7 drawbar hp. That is a strong pulling-efficiency number if the specs come from the same test setup.
Is the Case IH Farmall 80 better judged by PTO hp or drawbar hp?
The drawbar output is about 96.3% of PTO output, comparing 59.7 drawbar hp with 62 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the Case IH Farmall 80 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 Case IH Farmall 80 engine stressed for its PTO horsepower?
The engine has about 3.1 cubic inches per PTO hp, using 195 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 80 make?
The output density is about 19.4 PTO hp per liter, using 62 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.
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.
