Based on the aggregated intelligence of 170,000-plus investors participating in Motley Fool CAPS, the Fool's free investing community, diesel engine manufacturer Cummins (NYSE: CMI) has earned a respected four-star ranking.

With that in mind, let's take a closer look at Cummins' business and see what CAPS investors are saying about the stock right now.

Cummins facts

Headquarters (Founded) Columbus, Ind. (1919)
Market Cap $22.8 billion
Industry Construction and Farm Machinery and Heavy Trucks
Revenue $14.6 billion
Management Chairman/CEO Theodore M. Solso
President/COO N. Thomas Linebarger
Return on Capital (Average, Past 3 Years) 13.2%
Cash/Debt $1.09 billion / $767 million
Dividend Yield 0.9%
Competitors Caterpillar (NYSE: CAT)
Navistar International (NYSE: NAV)

Sources: Capital IQ (a division of Standard & Poor's) and Motley Fool CAPS.

On CAPS, 95% of the 1,198 members who have rated Cummins believe the stock will outperform the S&P 500 going forward. These bulls include mitleg and gweech.

Just a couple of months ago , mitleg listed several of Cummins' positives:

It is a fantastic company. Great market position. Strong balance sheet. It has a long history of success. It also has a nice economic moat as Buffett would say.

In fact, Cummins boasts a solid three-year average return on capital of 13.2%. That's higher than that of other heavy-equipment stocks, including Caterpillar (5.3%), Navistar (7.2%), and Deere (NYSE: DE) (5.8%).

CAPS member gweech expands on the Cummins outperform argument:

Decent enough balance sheet with enough cash. They are well diversified as a company with multiple manufacturing groups. Most importantly, their CEO has been mentioned multiple times as one of the best and is credited with incredibly strong leadership in turning this company around.

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