Interstate Model 18BST
Model: 18BST
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• Overall length: 27'-3"
• Deck length: 20'-0" (16'-6" flat deck + 3'-6" beavertail)
• Deck width: 8'-0"
• Deck height: 34-1/2" unloaded
• 18,000 lb. capacity tag-along trailer with beavertail & ramps
4,850 lb. Plus or Minus 3%
MainframeW12" x 16 lbs. per ft., grade 50; Hi-tensile
Crossmembers6" I-beam x 3.7 lbs per ft., run between mainrails on 24" centers
SuspensionDexter multi-point spring with equalizers
Axles(3) 6,000 lb.
BrakesHeavy Duty Electric 12" X 2" - Each Wheel
Wheels8 hole steel disc
Tires(6) 235/80R16, (E)
Landing GearHeavy Duty Jack: 5,000 lb. Screw Type
FinishBlack acrylic enamel; rust prohibitive undercoating
Floor2" nominal oak secured to crossmembers with 5/16" torque screws; 3/16" Diamond- plate from mainrails to perimeter frame
Lights12 volt DOT & ICC approved; all lights are LED type and flush mounted in rubber grommets; wiring is run in flexible neoprene jacket and modular in design; 7 way plug
Tiedowns(6) heavy duty D-rings, 3 per side
Loading Ramps58" x 21.5" traction with spring assist


• Yellow, white, gray or red acrylic enamel