The Case IH JX90 tractor engine horsepower is 82 hp | 61.1 kW, and PTO horsepower is 72 hp | 53.7 kW.
Case IH JX90 Horsepower Specs
| Engine gross horsepower | 82 hp | 61.1 kW |
|---|---|
| PTO horsepower claimed | 72 hp | 53.7 kW |
Case IH JX90 Useful Horsepower Calculations
| PTO-to-engine power transfer | 87.8% of engine hp reaches the PTO |
|---|---|
| Engine size per PTO horsepower | 3.3 ci per PTO hp |
| PTO horsepower per liter | 18.5 PTO hp per L |
| Engine size per engine horsepower | 2.9 ci per engine hp |
| Engine horsepower per liter | 21 engine hp per L |
| Torque per PTO horsepower | 3.3 lb-ft per PTO hp |
| Rated speed per PTO horsepower | 34.7 rpm per PTO hp |
Case IH JX90 Engine Specs
| Engine type | turbocharged intercooled diesel |
|---|---|
| Displacement | 238.5 ci | 3.9 L |
| Bore and stroke | 4.094×4.528 inches | 104 x 115 mm |
| Rated RPM | 2500 |
| Torque | 236 lb-ft | 320.0 Nm |
| Torque RPM | 1500 |
Case IH JX90 Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
Case IH JX90 Horsepower Comparison Charts
Engine horsepower comparison
PTO horsepower comparison
Displacement comparison
Torque 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 JX90 Horsepower FAQ
How much horsepower does the Case IH JX90 have?
The listed engine output is 82 hp, close to the 80 hp benchmark average. That puts the tractor in a normal working range for this benchmark group, with 82 hp as the main engine number.
How much PTO horsepower does the Case IH JX90 have?
The listed PTO output is 72 hp, close to the 65 hp benchmark average. Use 72 PTO hp as the practical implement-sizing number.
How much engine power reaches the PTO on the Case IH JX90?
The PTO-to-engine transfer works out to 87.8%, from 82 engine hp to 72 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the Case IH JX90 engine?
The engine displacement is 238.5 ci, close to the 260 ci benchmark average. It is close to the normal engine-size range for this horsepower class.
Is the Case IH JX90 engine stressed for its PTO horsepower?
The engine has about 3.3 cubic inches per PTO hp, using 238.5 ci and 72 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Case IH JX90 make?
The output density is about 18.5 PTO hp per liter, using 72 PTO hp and 3.9 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
How much torque does the Case IH JX90 have?
The listed torque is 236 lb-ft, close to the 240 lb-ft benchmark average. The 236 lb-ft figure is a normal torque result for this class.
Does the Case IH JX90 have good torque for its PTO horsepower?
The torque-to-PTO-power figure is about 3.3 lb-ft per PTO hp, using 236 lb-ft and 72 PTO hp. A higher number usually points to a slower, gruntier working feel.
What rpm is the Case IH JX90 rated at?
The rated speed is 2,500 rpm, above the 2,200 rpm benchmark average. A higher 2,500 rpm rating can make power well but may feel busier under load.
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.
