Chain & Flap Live-Bottom
Bulk Beds & Trailers
Over 50 Years Strong

Our powerful, positive chain- drive belted floor ensures you won't have slippage giving you a fast unload rate that is smooth & gentle.
Our Prairie Slide HMW Linings allow you to haul wet materials such as lime & manure that are known to stick to end-dump walls causing frequent rollover accidents.
Easily change between crops with no modifications. Switch from sugar beets to grains and back without touching a thing! Every Strong Box live-bottom semi-trailer and bulk bed have a small grains seal installed from the factory.
Strong Box Unique Features
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Obstruction-free interior
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DOT approved bumpers
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Aerodynamic enclosed side walls
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3/16" Prairie Slide liner on slopes
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Small grains seal kit standard on all
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667XH chain & heavy duty rubber flap
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Double planetary gear box drive system
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Minimal maintenance with only 3 bearings
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No rollers or friction drive belts to maintain
Bulk Bed Features
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Box lengths of 20' up to 26'
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Side wall heights of 66" or 72"
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Hydraulic side door
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In cab operator console
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Ladder & lookout landing
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Scraper holder built in
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Positive-drive flap-belt chain (30")
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Special paint or top-coat jobs
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Metallic, multi-color, & decals
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Box mounting & installation hardware
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Fenders and mud flaps
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Shur-Co tarp systems available
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LED tail lights


Strong Box Trailer Options
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Lengths from 38' up to 53'
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Side wall height options
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60", 66", 72" & mix match
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Flap-Belt width options
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30", 36" & 50"
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2-speed Holland landing gear
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Spring or Air-Ride suspension
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LED tail lights
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In cab operator console
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Multiple axles configurations
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ABS on one axle
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Super single with aluminum rims
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Full opening hydraulic rear gate
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customizable options
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PTO wet kit systems
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Electric over hydraulic drives
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Gas over hydraulic drives
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Shur-Co tarp systems
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Manual or Automatic
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Professional finishing from auto body
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Metallic, multi-color, & decals
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Automatic rear door linkage
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Turns belt on as door opens
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