Product Description
Our heavy-duty fifth wheel kingpins form the vital link between your tractor and trailer, engineered to handle the most demanding road conditions. Built for professional trucking operations, these kingpins deliver unmatched reliability where it matters most.
Construction & Specifications
| Material | Forged alloy steel with precision machining |
| Load Rating | 90,000 lbs standard capacity |
| Compatibility | Matches SAE Type II & ISO 337 dimensions |
| Finish | Shot-peened surface with corrosion protection |
| Installation | Standard 3.5" mounting bolt pattern |
Performance Features
Ultra-smooth coupling/uncoupling action
Precision-machined contact surfaces
Reinforced collar design prevents premature wear
Maintenance-free operation
Visual wear indicators for easy inspection
Recommended Applications
Over-the-road tractor-trailer combinations
Heavy haul and specialized transport
Fleet maintenance programs
Trailer OEM manufacturing
DOT compliance replacements
Why Professionals Choose Our Kingpins
Manufactured to exceed SAE J133 specifications
01
50% longer service life than basic kingpins
02
Reduces fifth wheel wear and maintenance costs
03
Available in standard and oversize configurations
04
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