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M-5 High Speed Tractor
The Tractor, High Speed, 13-ton, M5 was designed as a prime mover for towing large field artillery guns such as the 90mm Anti-Aircraft gun, the 155mm Long Tom, the 8in. Howitzer, or other heavy weapons (See the Towed Artillery Chart). In addition to moving the gun, the M-5 High Speed Tractor carried the gun crew plus ammunition in cargo space racks.
M-5 High Speed Tractor (G162)
The M5 High Speed Tractor (HST) was standardized in October 1942 and manufactured by International Harvester from May 1943 through May 1945 when the M5A1 superseded it. The main distinction of the M5A1 vs M5 was an enclosed cab similar in style to the M4 High Speed Tractor.
The M5A2 and M5A3 were M5 and M5A1 units with upgraded suspension systems, produced after World War II. The original vertical volute springs (from the M3 Stuart light tank) were changed to a horizontal volute design, since vertical volute springs cannot be satisfactorily damped. The M5A4 is equivalent to the M5A2 but with additional storage capacity in cabinets that run along both sides above the tracks.
Characteristics of the M-5 High Speed Tractor (G162)
All models of the M-5 High Speed Tractor share these characteristics:>
An anti-aircraft .50 cal. machine gun on a M49C ring mount, accessed through a hatch above the crew compartment, is mounted on some M-5 HST vehicles after the gun was added in February 1944.
These characteristics vary by model variant of the M5 HST:
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M-5 High Speed Tractor Photo Gallery