Why 4.1 axle?
I tow an 8000 pound trailer with a GMC 2500 with 6.0l engine, 4 speed transmission, and 4.1 axle ratio. I rarely need 3rd gear on the highway; only on steep hills. For my next truck, why not get si...
Forum Discussion
JIMMY034 wrote:
For starters, if you're planning on buying new, they only offer the 3.73 on the Duramax equipped trucks, and the 4.10 is the only option for the trucks with the 6.0. I'm not sure when this started, but I know it's true of the 2500HD for years '17, '18 and '19. Otherwise, if you're looking at used, read on...
GM had the 3.73 in the Duramax from day one (2001). It was never offered with a different ratio in the 3/4 or 1 ton.
Loved mine until the second time the injectors gave me trouble.
