Case IH Farmall 105C Horsepower & PTO HP

Quick answer:

The Case IH Farmall 105C tractor engine horsepower is 106 hp | 79.0 kW, and PTO horsepower is 91 hp | 67.9 kW.

Engine HP106 hp | 79.0 kW
PTO HP91 hp | 67.9 kW
PTO Transfer85.8%
Displacement207 ci | 3.4 L

Case IH Farmall 105C Horsepower Specs

Engine horsepower 106 hp | 79.0 kW
PTO horsepower claimed 91 hp | 67.9 kW
PTO horsepower tested 94.5 hp | 70.5 kW

Case IH Farmall 105C Useful Horsepower Calculations

PTO-to-engine power transfer 85.8% of engine hp reaches the PTO
Engine size per PTO horsepower 2.3 ci per PTO hp
PTO horsepower per liter 26.8 PTO hp per L
Engine size per engine horsepower 2 ci per engine hp
Engine horsepower per liter 31.2 engine hp per L
Rated speed per PTO horsepower 25.3 rpm per PTO hp

Case IH Farmall 105C Engine Specs

Engine type turbocharged air-to-air aftercooled diesel
Displacement 207 ci | 3.4 L
Bore and stroke 3.90×4.33 inches | 99 x 110 mm
Emissions Interim Tier 4
Rated RPM 2300

Case IH Farmall 105C Fuel, Cooling, Starting & Service Specs

Starter volts 12

Case IH Farmall 105C Horsepower Comparison Charts

Engine horsepower comparison

This model

106 hp

Average

80 hp

Low

45 hp

High

120 hp

PTO horsepower comparison

This model

91 hp

Average

65 hp

Low

35 hp

High

105 hp

Displacement comparison

This model

207 ci

Average

260 ci

Low

150 ci

High

380 ci

Rated RPM comparison

This model

2,300 rpm

Average

2,200 rpm

Low

1,800 rpm

High

2,700 rpm

Engine size per PTO HP

This model

2.3 ci/hp

Average

3.5 ci/hp

Low

2.2 ci/hp

High

5.8 ci/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 105C Horsepower FAQ

How much horsepower does the Case IH Farmall 105C have?

The listed engine output is 106 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 106 hp.

How much PTO horsepower does the Case IH Farmall 105C have?

The listed PTO output is 91 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 91 hp.

How much engine power reaches the PTO on the Case IH Farmall 105C?

The PTO-to-engine transfer works out to 85.8%, from 106 engine hp to 91 PTO hp. That is a normal usable range for judging PTO implement fit.

How big is the Case IH Farmall 105C 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 105C engine stressed for its PTO horsepower?

The engine has about 2.3 cubic inches per PTO hp, using 207 ci and 91 PTO hp. That is a smaller-displacement, higher-output style result.

How much PTO horsepower per liter does the Case IH Farmall 105C make?

The output density is about 26.8 PTO hp per liter, using 91 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.

What rpm is the Case IH Farmall 105C rated at?

The rated speed is 2,300 rpm, close to the 2,200 rpm benchmark average. The 2,300 rpm figure is around normal for this class.

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.