Does duramax truck s have different rear end than the ones with 6.0

Duramax Truck Rear End Differences: What You Need to Know

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When it comes to Chevrolet's Duramax-powered trucks, there are several key differences between models, particularly when it comes to their rear end configurations. In this article, we'll delve into the specifics of these variations and what they mean for truck owners.

Overview of Rear End Configurations

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Before diving into the nitty-gritty details, let's provide a quick overview of the different rear end configurations found in Chevrolet Duramax trucks:

1. 2-Wheel Drive (2WD): These trucks are equipped with a Dana Spicer 44-9 rear axle housing and feature an axleshaft differential.

2. 4-Wheel Drive (4x4) Short Wheelbase (SWB): This configuration is identical to the 2WD version in terms of components, but features four-wheel drive capabilities through the transfer case.

Rear Axle Housing Differences

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The most notable difference between Duramax truck models lies not within their rear differential gear ratios or axle ratio combinations – it's actually found in the actual housing that houses these critical components: The Dana Spicer 44-9 and its longer brother, the Dana Spicer 60 series.

While both versions share similar features such as a full-floating design with pressed steel hubs and cast iron axleshafts, they differ significantly when it comes to their overall dimensions.

The shorter of the two options is found exclusively on 2WD Duramax models – specifically, the Chevrolet Silverado's popular Sierra lineups. Conversely, its longer counterpart can be seen adorning both SRW (Single Rear Wheel) and DRW (Dual Rear Wheel) variants alike; with some important caveats worth mentioning below.

SRW vs DRW: What’s The Difference?

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For those not familiar with truck speak – here's a quick primer:

1. Short wheelbase: This refers to trucks where both rear wheels are mounted relatively close together under the frame rail (typically around 24 inches apart). These vehicles typically feature standard cab or crew cab configurations.

2. Longer wheelbase/extended cab/dual-rear-wheel setup: Conversely, these rigs sport a wider gap between their rear axles – often by as much as five feet! As one might expect given the increased separation comes an extra axle housing mounted under the frame's rear section to accommodate this additional mass.

While both SRW and DRW models share identical differential gear ratios (3.73:1, 4.30:1 & 5th) across all trim levels they are still distinctively different beasts in many other ways when it comes down to performance characteristics alone – more on that later...

In conclusion,

The differences between these two rear end configurations lie not within the actual components themselves but rather how Chevrolet chooses to package them into each respective model year. For those looking for maximum towing capacity without sacrificing too much payload space, look no further than either of our heavier duty offerings; whereas if raw acceleration is your top priority then perhaps one (or both!) of these lighter contenders might just do the trick depending on personal preferences naturally speaking.

References:

1. Chevrolet Silverado Owner's Manual

2. Duramax Performance Handbook by John Rambaud

Does duramax truck s have different rear end than the ones with 6.0