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Agriculture OutreachOffice of Motor Vehicle Enforcement Iowa Department of Transportation
DISCLAIMERThis slide module is intended to summarize commercial Vehicle rulesand regulations and is not intended to be use...
Legal Weights and Tonnage
Vehicle weightWhat can trucks legally weigh?  More axles = More weight  More length = More weightUp to the tires’ safe loa...
Vehicle weight Tandems, groups and gross       1          2   3   4     Axles 2-3=Tandem      Axles 2-5 = Four-axle groupA...
Vehicle weightSingle axle - 20,000 lbs
Vehicle weightTandem axle - 34,000 lbs            40” - 96”           Obtain exact          measurements           on tand...
Vehicle weightSingles Within A Tandem         14,000   20,000             34,000
Vehicle weightSingles Within A Tandem         22,000   12,000             34,000
Vehicle weightSingles Within A Tandem         19,000   18,000             37,000
Vehicle weightSingle axels within a spread  20,000 lbs            20,000 lbs        10’ spread/40,000 lbs
Vehicle weightAll six- and seven-axle vehiclesthat are long enough can grossup to 96,000 lbs.  No interstate travel allowed.
Vehicle weight                Bridge weight limitsAll trucks, including livestock andconstruction vehicles legallyweighing...
License tonnage tolerance Iowa law allows for a tolerance on the registered weight or tonnage 5 percent for all processe...
Contact information Motor Vehicle Enforcement     Information Line     800-925-6469E-mail: omve@dot.iowa.gov     www.iamvd...
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Agriculture outreach sessions - Legal weights and tonnage

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Agriculture outreach sessions - Legal weights and tonnage

  1. 1. Agriculture OutreachOffice of Motor Vehicle Enforcement Iowa Department of Transportation
  2. 2. DISCLAIMERThis slide module is intended to summarize commercial Vehicle rulesand regulations and is not intended to be used for legal guidance or asa substitute for applicable local, state, and federal statutes.While every attempt has been made to ensure the completeness andaccuracy of the information contained in this presentation, it is not adetailed explanation of all applicable local, state and federal statutes.The module is part of a larger presentation and as such is only part of asummary of regulations that may or may not apply to you.By use of this resource, the user agrees the Iowa Department ofTransportation assumes no liability or responsibility for the user’sunderstanding and compliance to the rules and regulations
  3. 3. Legal Weights and Tonnage
  4. 4. Vehicle weightWhat can trucks legally weigh? More axles = More weight More length = More weightUp to the tires’ safe load ratingsand/or statutory maximum weightlimits for single, tandem, group andgross axles
  5. 5. Vehicle weight Tandems, groups and gross 1 2 3 4 Axles 2-3=Tandem Axles 2-5 = Four-axle groupAxles 1-5 = Five-axle gross
  6. 6. Vehicle weightSingle axle - 20,000 lbs
  7. 7. Vehicle weightTandem axle - 34,000 lbs 40” - 96” Obtain exact measurements on tandems
  8. 8. Vehicle weightSingles Within A Tandem 14,000 20,000 34,000
  9. 9. Vehicle weightSingles Within A Tandem 22,000 12,000 34,000
  10. 10. Vehicle weightSingles Within A Tandem 19,000 18,000 37,000
  11. 11. Vehicle weightSingle axels within a spread 20,000 lbs 20,000 lbs 10’ spread/40,000 lbs
  12. 12. Vehicle weightAll six- and seven-axle vehiclesthat are long enough can grossup to 96,000 lbs. No interstate travel allowed.
  13. 13. Vehicle weight Bridge weight limitsAll trucks, including livestock andconstruction vehicles legallyweighing more than 80,000 lbs,must comply withposted weightlimits on bridgesand highwaystructures.
  14. 14. License tonnage tolerance Iowa law allows for a tolerance on the registered weight or tonnage 5 percent for all processed products 25 percent for all raw ag-productsThe license weight tolerance doesnot mean a truck can be overloaded.
  15. 15. Contact information Motor Vehicle Enforcement Information Line 800-925-6469E-mail: omve@dot.iowa.gov www.iamvd.com

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