Jim Allen

Supercharged Cummins By the late 1930s, the diesel engine was rising to meet the needs of a market growing ever more friendly. The support infrastructure […]

Whiskey Cummins This story is as much about a pair of Cummins engines that protected thousands of gallons of Seagrams whiskey from 1970 to 1991 […]

Last Scream of the Jimmy In 1954, when Oliver needed a powerful diesel to one-up their competitors, they went to General Motors. The Detroit Diesel […]

The John Deere 2630 The 1970s would bring about one of John Deere’s biggest model line updates, the Generation II tractors. The previous New Generation […]

1961 International B-160 Diesel Demonstrator International was one of the first truck manufacturers to start pushing diesel engines in light and medium duty trucks. Back […]

Classy Tractors With this, we will have covered three of the four Sheppard tractor models built from 1949 to 1956. We covered the SD-3 in […]

1903 Augsburg DM 12 Diesel If you want to see the first compression ignition engine built by Rudolph Diesel, you have to go to Munich, […]

A 6 hp Hornsby Oil Engine Diesel’s 1898 patent on the compression ignition engine is the well-charted beginning of the engine type we now call […]

1978 Allis-Chalmers 8550 In the early 1970s, Allis-Chalmers joined the ranks of the manufacturers offering articulated four-wheel drive tractors. They started by rebadging the Bearcat […]

A 1947 US Motors Diesel Generator on a Historic Ship Diesel generators have many uses aboard a ship. Usually they have a fairly central role, […]

1949 Cletrac ADH Cletrac created a new market segment in 1916 when it introduced the diminutive model R crawler. When Rollin H. White founded Cleveland […]

1920 Muncie 5CNA Oil Engine The oil engine was the lower cost variant of the compression ignition engine. With compression ignition, Dr. Rudolf Diesel had […]

1965 Cockshutt 1550 Wheatland Even if we don’t know the term, we’ve all seen badge engineering at work. Take a vehicle platform of one brand […]

Two Surviving Prototype Scout Diesels The International Scout was diesel before diesel was cool. Diesels were nothing new for International Harvester, in their truck lines […]

1949 Sheppard SD-1 Sheppard Tractors are among the rarest of the orphan tractors. We covered a ‘51 Sheppard SD-3 for you back in 2015 and […]

Petter PAZ1 The British built Petter diesel is a storied brand but not well known here in the U.S. The Petter began in 1892 when […]

1975 Ford 7000 All-Purpose As Ford updated it’s tractor lines in preparation for the swinging ‘70s, they realized the Thousand Series lineup was going to […]

The Gray Marine 6-71 in the Higgins Boat When we talk about a great or historic engine, sometimes we need to talk more about what […]

Classy & Powerful Diesel Tractors The 1950s was the last decade in which the small crawler was a player in the agricultural tillage industry. To […]

A 1950 Cat D315 Caterpillar was on a roll before World War II and rapidly dominating the crawler market. The war sped that roll up […]