The First Name in Quality Couplings


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100-4 Saf-Tite Slack Reducing Coupling

The Saf-Tite 100-4 has the same popular mounting bolt pattern as our 2400 & 470 models.


100-4 Coupling & 271 Thimble.
100-4A Kit 100-4 Coupling, 508 Bolt Kit, 281 Air Chamber, 467 Air Chamber Adapter Bracket, 271 Thimble.
100-4A-2 Kit Same as 100-4A Kit, without the 508 Bolt Kit.


Maximum Gross Trailer Weight 110,000 lbs. (49,896 kg)
Maximum Tongue Weight 20,000 lbs. (9,071 kg)
Ultimate Latch Capacity 20,000 lbs. (9,071 kg)
Maximum Eye X-Section 1 13/16 in. (46 mm)
Minimum Eye Opening 2 3/8 in. (60 mm)
Unit Weight 34.5 lbs. (15.6 kg)

100-4 Coupling Parts Available

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Warning: For any changes that you might make please refer to our technical documents.