Post Your 60-66 Chevy/GMC Military Trucks

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1960 GMC 8x8 Tactical Vehicle



1960 GMC 8x8 Tactical Vehicle

Development of a highly versatile family of medium-duty tactical military trucks that can
transport troops & cargo either on land or through water was announced on July 12,
1960, by Calvin J. Werner, Vice President of General Motors & General Manager of
GMC Truck & Coach Division.

The prototypes, a 6x6 & an 8x8, were demonstrated at a special press showing at General
Motors Proving Grounds. The vehicles are being developed under one of three contracts
awarded by the Detroit Army Ordnance District in cooperation with the Ordnance Tank
Automotive Command.

These new floatable trucks represent a major advancement in troop & cargo transport,
as they bring together in one vehicle family entirely new engineering & design concepts.
Among the innovations are V6 Detroit Diesel Powerplants, all aluminum cabs & cargo
bodies, & heavy-duty chassis components with interchangeability with \in the family. A
principal design objective was the elimination of service or repair over long operating
intervals. For example, the need for chassis lubrication has been eliminated, in many cases
by use of Teflon bearing material; the air cleaner will go many miles without requiring
attention; the brakes are sealed & ventilated; the universal joints are permanently
lubricated; & there are no engine belts to replace or maintain.

The 6x6, capable of hauling a three & a half ton payload, has driving traction in its four
rear & two front wheels. The 8x8, a five ton load carries, has four driving wheel at the
rear & four at the front.

Rubber sealed aluminum cabs & cargo bodies permit both vehicles to float over water as
well as run cross-country on land. When afloat, the vehicles are propelled by the rotation of
the wheels & are steered conventionally by front wheel positions. A propeller drive &
rudder also are available by kit installation.

On land, the units can be placed in all-wheel drive or just rear-wheel drive by a simple, one
lever control. With all wheels under power, the carries can negotiate 60% grades, & have
high mobility over mud, snow & sand. Special desert-tread tires give the vehicles a high
degree of floatation over rough terrain & add to their buoyancy in water.

Fourteen men can be seated in the 6x6 & sixteen in the 8x8. Seats may be removed, giving
an unobstructed cargo compartment. Cubic capacity to the top of the cargo body is
approximately 180 cubic feet in the 6x6, & 250 cubic feet in the 8x8. With its welded
aluminum cab & cargo body, buoyancy is designed into each vehicle without resorting to
use of floatation materials that might interfere with body repairs or maintenance.

The powerplant is a Detroit Diesel 6V53 capable of putting out 190 gross horsepower.
Power is run through a four-speed synchromesh transmission with two-speed clutch.
Interchangeable Traction-equalizer axles permit the wheel to utilize 70% of torque input.

http://6066gmcguy.com/Military.html

[64chevycrewcab]

Found these online.

[HawaiianC20]

Originally Posted by HawaiianC20

Posted via Mobile Device

Posted via Mobile Device

Here is a US Navy truck I recently got

[cwcarpenter98]

Originally Posted by HawaiianC20

Posted via Mobile Device

Here is a US Navy truck I recently got

Nice! That bed looks to be in really good shape

[66 Stepside C X]

66 step side which I believe was used as a mail delivery truck at a station.