370B SLACK REDUCING COUPLING

This coupling is designed for installations where rear clearance is a problem. Similar to our popular 370, the 370B allows for a bottom mount air can (see illustration below). This coupling must be used with an air service chamber.

Description

MODELS

370B Coupling and 271 Thimble.
370BC Kit 370B Coupling, 503 Bolt Kit, 281C Air Chamber, 271 Thimble.

SPECIFICATIONS

Maximum Gross Trailer Weight 90,000 lbs (40,823 kg)
Maximum Tongue Weight 18,000 lbs. (8,165 kg)
Ultimate Latch Capacity 20,000 lbs. (9,072 kg)
Maximum Eye X-Section 1 13/16 in. (46 mm)
Minimum Eye Opening 2 3/8 in. (60 mm)
Unit Weight 31 lbs. (14.0 kg)
  • Accessories

    271 – SERIES THIMBLES

    Premier’s thimbles are highly wear resistant. They are used on the end of the Pushrod of an air chamber that contacts the Slack Adjustment Shoe in Premier air take up couplings.
  • Accessories

    281 / 282 AIR CHAMBERS

    These are not your typical air chambers, these are built to last in the rigorous service of coupling and drawbar eye connections.
  • Accessories

    370PK PARTS KIT

    The 370PK is your part replacement kit for our 370, 370B, 570 and 770 coupling models.
  • Accessories

    BOLT KITS

    These individually packaged bolt kits make the hardware selection for your coupling and/or drawbar eye fast and easy.

    All kits (except **159 & ***511) use coarse threaded Grade-8 fasteners and Grade-C crimp style locknuts, for a strong and secure coupling or drawbar eye mounting system.

    * For use with non-air applications.
    ** 159 Kit has fine threaded Grade-8 fasteners, uses lock washers …

  • Accessories

    DRAWBAR GUIDES

    Premier’s Drawbar Guides act as an aid to operators when hooking up equipment. These guides are cast from high strength steel and are easily installed by welding to the rear cross member. Drawbar Guides can be purchased individually (left or right) and as a complete set.

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  • Accessories

    WEAR GAGES

    To determine wear limits, Premier created Wear Gages that help judge the useful life of couplings /pintle hitches and drawbar eyes. Available as a complete kit or individually, these gages are easy to use and are a must for Maintenance Managers and safety personnel.
    In accordance with Premier and the Federal Motor Carrier Safety Regulations, these were designed to identify …

Additional information

MGTW

SLACK REDUCED