The Case IH CX90 tractor engine horsepower is 90 hp | 67.1 kW, PTO horsepower is 74 hp | 55.2 kW, and the drawbar horsepower is 69.2 hp | 51.6 kW.
Case IH CX90 Horsepower Specs
| Engine gross horsepower | 90 hp | 67.1 kW |
|---|---|
| Engine net horsepower | 84 hp | 62.6 kW |
| PTO horsepower claimed | 74 hp | 55.2 kW |
| PTO horsepower tested | 79.7 hp | 59.4 kW |
| Drawbar horsepower tested | 69.2 hp | 51.6 kW |
Case IH CX90 Useful Horsepower Calculations
| PTO-to-engine power transfer | 82.2% of engine hp reaches the PTO |
|---|---|
| Drawbar-to-engine power transfer | 76.9% of engine hp reaches the drawbar |
| Drawbar-to-PTO power ratio | 93.5% drawbar hp vs PTO hp |
| 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 | 2.7 ci per engine hp |
| Engine horsepower per liter | 22.5 engine hp per L |
| Torque per PTO horsepower | 3.6 lb-ft per PTO hp |
| Fuel tank per PTO horsepower | 0.6 gal per PTO hp |
Case IH CX90 Engine Specs
| Engine type | turbocharged diesel |
|---|---|
| Displacement | 243.5 ci | 4.0 L |
| Bore and stroke | 3.93×5.00 inches | 100 x 127 mm |
| Compression | 17.25:1 |
| Rated RPM | 2200 |
| Torque | 264 lb-ft | 358.0 Nm |
| Torque RPM | 1400 |
Case IH CX90 Fuel, Cooling, Starting & Service Specs
| Fuel capacity | 42 gal | 159.0 L |
|---|---|
| Starter volts | 12 |
| Battery volts | 12 |
Case IH CX90 Horsepower Comparison Charts
Engine horsepower comparison
PTO horsepower comparison
Drawbar 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 CX90 Horsepower FAQ
How much horsepower does the Case IH CX90 have?
The listed engine output is 90 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 90 hp.
How much PTO horsepower does the Case IH CX90 have?
The listed PTO output is 74 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 74 hp.
How much drawbar horsepower does the Case IH CX90 have?
The listed drawbar output is 69.2 hp, above the 55 hp benchmark average. That makes the 69.2 hp drawbar number more useful than engine hp for tillage and heavy pulling.
How much engine power reaches the PTO on the Case IH CX90?
The PTO-to-engine transfer works out to 82.2%, from 90 engine hp to 74 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the Case IH CX90 for pulling work?
The drawbar-to-engine transfer is about 76.9%, from 90 engine hp to 69.2 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the Case IH CX90 better judged by PTO hp or drawbar hp?
The drawbar output is about 93.5% of PTO output, comparing 69.2 drawbar hp with 74 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the Case IH CX90 engine?
The engine displacement is 243.5 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 CX90 engine stressed for its PTO horsepower?
The engine has about 3.3 cubic inches per PTO hp, using 243.5 ci and 74 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Case IH CX90 make?
The output density is about 18.5 PTO hp per liter, using 74 PTO hp and 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.
