Towing Capacity

Asked by Mar 01, 2015 at 01:15 AM about the 2005 GMC Sierra 2500HD 4 Dr SLT 4WD Crew Cab SB HD

Question type: General

What is the absolute max towing capacity of Sierra 2500HD with the 8.1L/Allison combo?  
Can it handle 15k pounds?

2 Answers

28,965

Type your VIN in here and it will give you the specs on your vehicle: http://chevroletforum.com/forum/vindecoder.php (it's also in your owner's manual but I know a lot of people don't have those).

4 of 4 people found this helpful.
20,850

From what I read it will pull about 17,000 with that combo of the 8.1 big block and the Allison trans. Also gets into rear end ratios as well.

1 of 1 people found this helpful.

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