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Its GMC counterpart was the GMC New Design. It was billed as a larger, stronger, and sleeker design in comparison to the earlier AK Series . First available on Saturday, June 28, 1947, these trucks were sold with various minor changes over the years [ 3 ] until March 25, 1955, when the Task Force Series trucks replaced the Advance-Design model.
GMC All Terrain concept truck with 11.5 AAM axle. The 11.5 AAM 14-bolt rear differential started replacing the 10.5" 14-bolt in Chevrolet Silverado and GMC Sierra trucks from the 2001 model year onwards. However, the 10.5" 14-bolt axle remains in production today, specifically utilized in GMC Savana and Chevrolet Express vans.
The transmission is often designed separately from the final drive components, including the rear axle differential. In rare cases (such as the 1961-63 Pontiac Tempest, as well as rear-engined cars such as the original Volkswagen Beetle and the Chevrolet Corvair) the transmission and rear axle are combined into a single unit called a transaxle.
On 1 ⁄ 2-ton and 3 ⁄ 4-ton trucks, Chevrolet equipped a live rear axle with two coil-sprung trailing arms; along with auxiliary rear leaf springs, a rear leaf-spring suspension was an option. [6] GMC pickup trucks of the same payload series offered rear leaf springs as standard, with rear coil springs as optional equipment (the opposite of ...
The Dana 44 rear axle first saw use in the 1940s and is still in use today. The Dana 44 has a GAWR up to 3,500 lb (1,600 kg) and is a semi-floating type, having one bearing on the end of the axle shaft which carries the weight of the vehicle on the axle and also allows axle rotation.
GM created the model PD-4102 by restyling its PD-4101 in 1950 using a distinctive new front end with the destination sign below the windshield and a new, restyled rear end which used a full-width engine access door, an aluminum alloy bumper to match that on the front and a "post-less" picture window in the rear which used biradial curved glass ...
These upgrades gave the Dana 70HD a gross axle rating of 10,000 lb (4,500 kg). The Dana 70 front drive axles used in the Chevrolet Kodiaks and GMC Topkicks also had these features. This axle was standard for the Big Three (automobile manufacturers) dual rear wheel trucks until 1985, when Ford started using the Sterling 10.25 rear axle.
As always, there was a GMC version offered during the same time, called the GMC Suburban Pickup, with many similar features offered on the Chevrolet but without the bedside trim. In 1957, a special version was made for GMC to be shown at national car shows called the Palomino , [ 7 ] which had a Pontiac 347 cu in (5.7 L) V8 installed, borrowed ...