The Case IH Farmall 120U tractor engine horsepower is 117 hp | 87.2 kW, PTO horsepower is 100 hp | 74.6 kW, and the drawbar horsepower is 76.2 hp | 56.8 kW.
Case IH Farmall 120U Horsepower Specs
| Engine horsepower | 117 hp | 87.2 kW |
|---|---|
| PTO horsepower claimed | 100 hp | 74.6 kW |
| PTO horsepower tested | 104.6 hp | 78.0 kW |
| Drawbar horsepower tested | 76.2 hp | 56.8 kW |
Case IH Farmall 120U Useful Horsepower Calculations
| PTO-to-engine power transfer | 85.5% of engine hp reaches the PTO |
|---|---|
| Drawbar-to-engine power transfer | 65.1% of engine hp reaches the drawbar |
| Drawbar-to-PTO power ratio | 76.2% drawbar hp vs PTO hp |
| Engine size per PTO horsepower | 2.1 ci per PTO hp |
| PTO horsepower per liter | 29.4 PTO hp per L |
| Engine size per engine horsepower | 1.8 ci per engine hp |
| Engine horsepower per liter | 34.4 engine hp per L |
| Rated speed per PTO horsepower | 23 rpm per PTO hp |
Case IH Farmall 120U 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 120U Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
Case IH Farmall 120U 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 120U Horsepower FAQ
How much horsepower does the Case IH Farmall 120U have?
The listed engine output is 117 hp, above the 80 hp benchmark average. That is a higher-power result, so ballast, tire setup and implement width matter if you want to use the full 117 hp.
How much PTO horsepower does the Case IH Farmall 120U have?
The listed PTO output is 100 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 100 hp.
How much drawbar horsepower does the Case IH Farmall 120U have?
The listed drawbar output is 76.2 hp, above the 55 hp benchmark average. That makes the 76.2 hp drawbar number more useful than engine hp for tillage and heavy pulling.
How much engine power reaches the PTO on the Case IH Farmall 120U?
The PTO-to-engine transfer works out to 85.5%, from 117 engine hp to 100 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the Case IH Farmall 120U for pulling work?
The drawbar-to-engine transfer is about 65.1%, from 117 engine hp to 76.2 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the Case IH Farmall 120U better judged by PTO hp or drawbar hp?
The drawbar output is about 76.2% of PTO output, comparing 76.2 drawbar hp with 100 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the Case IH Farmall 120U 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 120U engine stressed for its PTO horsepower?
The engine has about 2.1 cubic inches per PTO hp, using 207 ci and 100 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the Case IH Farmall 120U make?
The output density is about 29.4 PTO hp per liter, using 100 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.
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.
