Tag : Baker

Classic MachinesScrapers

The history of the towed scraper

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Before the motor scraper there was the towed scraper – one of the first types of bulk earthmoving equipment to be invented.   RICHARD CAMPBELL looks...
Allis-ChalmersModel Collector

The Allis-Chalmers HD-21 tractor

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Developed directly from its model HD-20 (introduced 1951), the HD-21 featured among other things, one of the diesel engines from the recently acquired Buda Engine...
Allis-ChalmersClassic Machines

The Allis-Chalmers HD-20 tractor

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In production for just three years, the HD-20 was the stepping stone between the powerful HD-19 and the very successful HD-21. RICHARD CAMPBELL delves into...
Classic MachinesTractors

The Allis-Chalmer’s HD-14 tractor

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The Allis-Chalmers HD-14 was introduced in 1939 and was broadly based on that company’s earlier and very successful Model L and LO gasoline powered crawlers....