The Case IH Optum 300 tractor engine horsepower is 300 hp | 223.7 kW, PTO horsepower is 270 hp | 201.3 kW, and the drawbar horsepower is 226.5 hp | 168.9 kW.
Engine HP300 hp | 223.7 kW
PTO HP270 hp | 201.3 kW
Drawbar HP226.5 hp | 168.9 kW
PTO Transfer90%
Displacement410.6 ci | 6.7 L
Case IH Optum 300 Horsepower Specs
Engine gross horsepower
300 hp | 223.7 kW
PTO horsepower claimed
270 hp | 201.3 kW
PTO horsepower tested
290.7 hp | 216.8 kW
Drawbar horsepower tested
226.5 hp | 168.9 kW
Case IH Optum 300 Useful Horsepower Calculations
PTO-to-engine power transfer
90% of engine hp reaches the PTO
Drawbar-to-engine power transfer
75.5% of engine hp reaches the drawbar
Drawbar-to-PTO power ratio
83.9% drawbar hp vs PTO hp
Engine size per PTO horsepower
1.5 ci per PTO hp
PTO horsepower per liter
40.3 PTO hp per L
Engine size per engine horsepower
1.4 ci per engine hp
Engine horsepower per liter
44.8 engine hp per L
Rated speed per PTO horsepower
7.8 rpm per PTO hp
Case IH Optum 300 Engine Specs
Engine type
electronic variable geometry turbocharged with air-to-air aftercooling diesel
Displacement
410.6 ci | 6.7 L
Bore and stroke
4.095×5.197 inches | 104 x 132 mm
Rated RPM
2100
Case IH Optum 300 Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
Case IH Optum 300 Horsepower Comparison Charts
Engine horsepower comparison
This model
300 hp
Average
210 hp
Low
120 hp
High
380 hp
PTO horsepower comparison
This model
270 hp
Average
175 hp
Low
100 hp
High
320 hp
Drawbar horsepower comparison
This model
226.5 hp
Average
150 hp
Low
85 hp
High
280 hp
Displacement comparison
This model
410.6 ci
Average
520 ci
Low
360 ci
High
750 ci
Rated RPM comparison
This model
2,100 rpm
Average
2,100 rpm
Low
1,600 rpm
High
2,500 rpm
Engine size per PTO HP
This model
1.5 ci/hp
Average
3.3 ci/hp
Low
2 ci/hp
High
5.2 ci/hp
Benchmarks use practical low, average and high ranges for the large ag tractor category. Use the operator manual and actual engine/tractor configuration before sizing implements or judging working power.
Case IH Optum 300 Horsepower FAQ
How much horsepower does the Case IH Optum 300 have?
The listed engine output is 300 hp, above the 210 hp benchmark average. That is a higher-power result, so ballast, tire setup and implement width matter if you want to use the full 300 hp.
How much PTO horsepower does the Case IH Optum 300 have?
The listed PTO output is 270 hp, above the 175 hp benchmark average. That is the number to use for mowers, balers, augers, pumps and other PTO tools that need up to about 270 hp.
How much drawbar horsepower does the Case IH Optum 300 have?
The listed drawbar output is 226.5 hp, above the 150 hp benchmark average. That makes the 226.5 hp drawbar number more useful than engine hp for tillage and heavy pulling.
How much engine power reaches the PTO on the Case IH Optum 300?
The PTO-to-engine transfer works out to 90%, from 300 engine hp to 270 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the Case IH Optum 300 for pulling work?
The drawbar-to-engine transfer is about 75.5%, from 300 engine hp to 226.5 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the Case IH Optum 300 better judged by PTO hp or drawbar hp?
The drawbar output is about 83.9% of PTO output, comparing 226.5 drawbar hp with 270 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the Case IH Optum 300 engine?
The engine displacement is 410.6 ci, below the 520 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the Case IH Optum 300 engine stressed for its PTO horsepower?
The engine has about 1.5 cubic inches per PTO hp, using 410.6 ci and 270 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the Case IH Optum 300 make?
The output density is about 40.3 PTO hp per liter, using 270 PTO hp and 6.7 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
Official information note
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.
