370 Slack Reducing Coupling

The 370 slack reducing coupling is frequently used in dump and pup applications. Our popular 370 model offers users a low profile, high latch strength, and a Premalloy body for maximum wear. This coupling must be used with an air service chamber. With a maximum gross trailer weight of 90,000 lbs., our 370 coupling is perfect for medium-to-heavy duty hauling.


Description

MODELS

Model #Part #Description
37010004757370 Coupling & 271 Thimble
370A10004759370 Coupling, 502 Bolt Kit, 281 Air Chamber, 467 Air Chamber Adapter Bracket, 271 Thimble
370A-210004760Same as 370A, without the 502 Bolt Kit
370A-28210004761Same as 370A, with 282 Air Chamber instead of 281
370A-467H10004762Same as 370A, with 467H Air Chamber Adapter Bracket instead of 467
370AF10004763Same as 370A, with 467F Air Chamber Adapter Bracket instead of 467

KIT COMPONENTS & ACCESSORY PARTS

Model #Part #Description
27110000107Thimble
50210000150Bolt Kit
28110000116Air Chamber, Type 24
28210000122Air Chamber, Type 30
46710000135Air Chamber Adapter Bracket (2 3/4 in. overall length)
467F10000138Air Chamber Adapter Bracket (5 1/2 in. overall length)
467H10000140Air Chamber Adapter Bracket (3/4 in. overall length)
370PK10000325Parts Kit
279PK10000315Parts Kit (for 279 Shoe)
37810004766Drawbar Guide Set (Left & Right Sides Incl.)
378L10000124Drawbar Guide, Left Side Only
378R10000129Drawbar Guide, Right Side Only
1401110000059Wear Gage
1402610000071Wear Gage, Latch Gage Bar

SPECIFICATIONS

Maximum Gross Trailer Weight90,000 lbs. (40,823 kg)
Maximum Tongue Weight18,000 lbs. (8,165 kg)
Ultimate Latch Capacity20,000 lbs. (9,072 kg)
Maximum Eye X-Section1 13/16 in. (46 mm)
Minimum Eye Opening2 3/8 in. (60 mm)
Unit Weight30 lbs. (13.6 kg)
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    467 & 767 Air Chamber Brackets

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    Wear Gages

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    Designed For: Rectangular tubing, 2 in. x 4 in. (51 mm x 102 mm) and 4 in. x 4 in. (102 mm x 102 mm)

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    300 Bolt-On Drawbar Eye

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Additional information

MATERIAL

MGTW

SLACK REDUCED