How has the industry changed in 90 years?

Chad Elmore Managing Editor, Power Progress

16 May 2025

A review of the heritage of Power Progress through issues published since 1935.

“Something new – something economical. After all is said and done, that is what the diesel engine really is – something new, something economical. Despite the fact that oil burning engines have been in use for 25 years or so in this country, it has only been since the big…

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1935

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1945: A General Motors diesel-electric locomotive pulls a 4,000-ton freight train through Feather River Canyon in California and across the May 1945 issue. "Diesels clear war wreckage" was a sobering spread of photos supplied by the Signal Corps wherein crawlers worked in destroyed cities around Europe. Elsewhere, articles and advertisements focused on ways to save money and resources and maintain the equipment that was already part of a fleet. Three diesel engines powered a flourspar mine in Colorado. The mineral was critical to the war effort, and the U.S. was a major producer.

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1935: : "Speed! The goal of today and tomorrow! Railroad trains became popular years ago because people and goods could be speedily transported hundreds of miles," read an article in the May 1935 issue. "And then came the automobile - first considered a transportation fad to be laughed at. Remember the derisive yell 'Get a horse.' But, a couple of decades later, railroad trains were actually being passed by speedy cars and trucks moving along concrete highways paralleling the railroad! In the modern urge for speed the popularity of the railroad declined but a comeback is evident. It is the diesel-powered train that is responsible."

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1945

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1955

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1965

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1965

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California's New Exchequer Dam project involved raising an existing 320-ft. tall dam another 170 ft. with 5.5 million cu. yd. of rock and adding a concrete slab 30 in. thick on the face. To get it done, the contractor bought millions of dollars of new equipment, including eight KW-Dart dump trucks with 110-ton capacities. The real story, however, was the work Allison did to ensure its transmissions stood up to more power, such as the 700-hp Cummins VT12-700 diesel engines the contractor used in those trucks.

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1975, By May 1975, the name was Diesel and Gas Turbine Progress. Its editors highlighted Solar's 10,000-hp gas turbine for industrial applications and White Superior's high-horsepower 12- and 16-cylinder gas engines. Ingersoll-Rand picked a low-noise Deutz F4L 912 diesel engine for its portable air compressors, prompting the writer to note that "air-cooled engines are gradually moving into areas of application that were once the primary domain for the water-cooled diesel." In spite of the magazine's cumbersome name, it was not just focused on engines (and turbines). Rockwell's hydraulic track drives were compact but used the gear technology for which the company was known. Color photos were reserved for the cover and a few extra-cost ads.

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1985

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1985. May's Diesel Progress North American focused on the engines of the oil & gas industry, with a shot of the Western Pacesetter IV drill rig on the cover. The U.S. economy was rebounding from a deep recession that hit equipment makers hard. Allis-Chalmers closed its tractor factory near Milwaukee, Wis., and was sold to Germany's KHD and Daimler-Benz acquired MAN's share of engine builder MTU. Even oil & gas was ailing: a multi-source feature told what "computerized maintenance" could mean for cost savings. "File upon file of information has been accumulated but retrieval is so cumbersome, the value of this historical data is limited," said a maintenance manager.

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1985

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1995

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1995. This was the 60th anniversary issue of what was then known as Diesel Progress Engines & Drives (name changes are not new to this publication). Engines, drivetrains and hydraulic components were an important part of the magazine. It was still an "engine book," however. Canada's petroleum industry had great success with Detroit Diesel's electronically controlled 12.7 L Series 50 and 60 diesel engines while Olathe, Kan.-based Lister-Petter Inc. announced it received CARB emissions certifications for three small diesel engines. John Deere Power Systems expanded its "emissions-era" diesel range with a 4.5 L and a 6.8 L engine.

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2009. From May 1995, this 90th anniversary survey of past issues will now jump over May 2005 and land on May 2009. It was still very much the "emissions era." An article titled "Preparing the off-road toolbox" told how BASF Catalysts planned to help off-road equipment manufacturers meet upcoming emissions regulations, and a feature about airport ground support equipment predicted an electric future. The issue was home to regular departments with headings such as "Emissions & Alternatives" and "Technology of Clean Air." Many of those articles could be seen pulled out of the magazine and tacked to cubicle walls in engineering departments nationwide.

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2015

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2015. It was the year Tier 4 Final emissions standards became the rule of off-highway equipment. Forestry machines got a feature following a visit with Tigercat Industries in Ontario, Canada, to report on what steps the OEM took to meet those regulations with the help of its engine supplier, FPT Industrial. Machine control was front and center, enhanced by new valve drivers introduced by HydraForce designed for variable fan drives, mobile equipment booms and transmission shifting. Maintenance got some attention again, as well, this time aided by data generated by the machine itself.