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Substitute Product : Commercial Duty Class 5 Hitch, 2-1/2", Select Silverado, Sierra 2500, 3500 HD #15860
UPC: 612314156627

Class 5 Commercial Duty Trailer Hitch #15662

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  • Made with a vehicle-specific design for a custom fit
  • Tested for safety in accordance with SAE J684
  • Precisely welded for superior strength and fit
  • Constructed with a large, powerful main body
  • Protected by a highly durable carbide powder coat finish
  • Co-cured in a rust-resistant liquid Aquence coating
  • Strengthened with a forged, welded, seamless collar
  • Features wide safety chain openings for heavy-duty hooks
  • Equipped with an open-back receiver for easy cleaning
  • Backed by a limited lifetime warranty
  • Made in USA


  • Trailer hitch weight ratings are limited to vehicle manufacturer's stated capacities.
  • Includes strong, grade 8 installation hardware

Guides & Install Sheets

Product Videos

  • Product Videos CURT - Xtra Duty and Commercial Duty Hitch Lineup
  • Product Videos CURT Trailer Hitch Installation Techniques
  • Product Videos CURT Trailer Hitches


  • Drilling RequiredNo
  • FinishBlank
  • Hub WarehouseD01
  • MaterialBlank
  • Part Type*
  • Product Weight55.000
  • Receiver Tube Size2.5
  • Shipping Weight62.250
  • Superceded by Item15860
  • Tongue Weight(TW)1,800 LB
  • Weight Carrying Capacity(WC)18,000 LB
  • Weight Distribution Tongue Weight(WDTW)1,800 LB
  • Weight Distribution(WD)18,000 LB

WARNING: Cancer and Reproductive Harm -

In the world of commercial towing, more is expected. A job cannot be completed if the equipment cannot handle the workload. That is why CURT developed the class 5 Commercial Duty trailer hitch: the ultimate in rear mount receiver hitches. Constructed from steel and engineered for power, these class 5 behemoths are designed to complement the towing power of commercial trucks and other heavy-duty pickup trucks and SUVs, including diesels and chassis cabs. They can easily handle a variety of oversize trailers, including toy and car haulers, agricultural trailers, dumper trailers, tri-axle flatbed trailers, large boat trailers and more (NOTE: Never exceed the lowest weight capacity of any towing component).

This particular class 5 hitch features a gross trailer weight capacity of 18,000 lbs. and an especially high tongue weight capacity of 2,700 lbs. It is designed to be a custom-fit trailer hitch for certain years of the Chevrolet Silverado 2500HD or 3500 with 6' bed or GMC Sierra 2500HD or 3500 with 6' bed (to verify your vehicle compatibility, see the CURT application guide at

All CURT class 5 Commercial Duty hitches feature a large 2 1/2" x 2 1/2" receiver tube opening to accept the strongest of ball mounts and hitch-mounted accessories. They are perfect for mounting standard ball mounts, pintle mounts and tow hooks, as well as winch mounts and cargo carriers. CURT Commercial Duty hitches are protected by a co-curing of liquid Aquence coating and a black carbide powder coat finish, and they come backed with a one-year finish warranty. If that were not enough, they also mount with grade 8 hardware, included with each hitch, and feature a limited lifetime warranty to give you the confidence to tackle every job head-on.

2011 Chevrolet Silverado 2500HD or 3500 6' Bed
2012 Chevrolet Silverado 2500HD or 3500 6' Bed
2011 GMC Sierra 2500HD or 3500 6' Bed
2012 GMC Sierra 2500HD or 3500 6' Bed
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