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Positive Drive Smooth BelT

Bulk Beds & Trailers

Simplify your Harvest

      Our new continuous belt option is still positive drive giving you a more even product flow, reduces skinning & no belt slippage. The proven plastic drag floor eliminates the hassle of replacing rollers or bearings!​

     The rubber profile belting along with a skirt board seal guarantees our belting is the best on the market. Its attention to detail like this that really sets STP Manufacturing's products apart from the competition.

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Keep small grains & dirt out!
Strong Box Unique Features

  • Obstruction-free interior

  • DOT approved bumpers

  • Aerodynamic enclosed side walls

  • Consistent, smooth & gentle discharge

  • 3/16" Prairie Slide liner on slopes

  • Small grains seal kit standard on all

  • 81XH chain & continuous rubber belt

  • Double planetary gear box drive system

  • Minimal maintenance with only 3 bearings

  • No rollers or friction drive belts to maintain

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Bulk Bed Features

  • Box lengths of 20' up to 26'

  • Side wall heights of 66" or 72"

  • Hydraulic side door

    • In cab operator console​

  • Ladder & lookout landing

    • Scraper holder built in

  • Positive-drive continuous rubber (30")

  • Special paint or top-coat jobs

    • Metallic, multi-color, & decals​

  • Box mounting & installation hardware

    • Fenders and mud flaps​​

  • Shur-Co tarp systems available

  • LED tail lights

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Strong Box Trailer Options

  • Lengths from 38' up to 53'

  • Side wall height options

  • 60", 66", 72" & mix match ​

  • Rubber belted chain width options​

    • 30" or 36"

  • 2-speed Holland landing gear

  • Spring or Air-Ride suspension

  • LED tail lights

  • In cab operator console​

  • Multiple axles configurations

    • ABS on one axle​

  • Super single with aluminum rims​

  • Full opening hydraulic rear gate

    • Customizable options​

  • PTO wet kit systems

    • Electric over hydraulic drives

    • Gas over hydraulic drives

  • Shur-Co tarp systems

    • Manual or Automatic​

  • Professional finishing from auto body

    • Metallic, multi-color, & decals​

  • Automatic rear door linkage​

    • Turns belt on as door opens​

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