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michael, ASE Certified Technician
Category: Chevy
Satisfied Customers: 667
Experience:  17 ASE Cert.; over 20 yrs. exp./18 with GM
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1990 Chevrolet: K 2500 4x4, Reg Cab, VIN # XXXXX

Resolved Question:

1990 Chevrolet Silverado C/K 2500 4x4, Reg Cab, VIN # XXXXX How do I find rear axle gear ratio and max tow weight?
Submitted: 9 years ago.
Category: Chevy
Expert:  michael replied 9 years ago.

hello... according to GM your axle ratio is a 3.73... GT4.


also, as for the tow weight...

  1. if towing from the OEM bumper. the max tow weight is 6000 lbs
  2. if towing from a class 3 reciever hitch the max weight is 9000 lbs
  3. if towing from a class 4 rec. or a 5th wheel the max weight is 10000-11000 lbs
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