Trailering Information
This manual provides information on trailering and towing for various GMC models. The manual covers gross combination weight ratings (GCWR), maximum trailer ratings, and electrical information for trailering.
GCWR Ratings
The GCWR chart shows the maximum allowable weight of a vehicle and trailer combination. The chart lists available engines and rear axle ratios for automatic and manual transmissions.
The manual provides GCWR ratings for various GMC models, including the SIT Utility models (GMT305, GMT330, GMT360, and GMT370), S Pickup model (GMT368), and CIK 15/25/25HD/35/36 Series Pickup and Cab-Chassis models (Chevy Silverado and GMC Sierra).
The manual also provides information on trailer weight distribution, electrical system setup, and special applications for trailering.
Manual:
Download: Special Applications 2005: Trailering Information
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