SPECIAL MOBILE MACHINERY
Basic Information on Special Mobile Machinery:
Special Mobile Machinery vehicles are of a design commonly used in the construction business. These vehicles, self propelled or otherwise, and are not designed to transport persons or cargo over the public highways.
Motor vehicles which have been redesigned or modified with attachment of SMM (over 500 pounds), and this attachment becomes an essential part of the operation for which the vehicle was intended, will be classified a Special Mobile Machinery.
- If the SMM equipment is used solely on property owned or leased by the SMM owner, the equipment must be registered on the personal property tax schedule filed with the County Assessor or the County Motor Vehicle Department.
- If the SMM equipment is used in a business and is moved from one job site to another, whether pulled, hauled, or driven, the equipment must be registered in the county where the equipment is housed. It must be registered through the County Motor Vehicle Department.
SMM REGISTRATION EXEMPTIONS:
- SMM equipment owned by the United States Government or agency thereof.
- SMM equipment that is used solely on property owned or leased by the SMM owner, and appears on the personal property tax schedule filed with the County Assessor.
- Tow dollies and converter gears/converter dollies are not required to be registered in Colorado.
- Equipment weighing 500 pounds or less.
- Farm equipment not being used commercially.
SMM Equipment that is titled:
Titling is mandatory for SMM equipment, which is constructed on a truck or trailer chassis and is designed and intended to be used over the highway. The addition of the SMM, either through manufacture or modification, will cause the final vehicle to be classified as SMM. The body style of the SMM should be that of the chassis on which it is mounted, truck or trailer. This category includes complete vehicles, which have been redesigned or modified by addition of equipment.
SMM equipment that has wheels mounted directly to the machinery shall be titled as trailers and registered as SMM.
NON-TITLED SMM:
Vehicles that run on their own power such as: road graders, back hoes, fork lifts, scrapers, front end loaders and caterpillars, etc. are not titled because they are not built on a chassis that is designed and intended to be used over the highway.
SMM REGISTRATION CATEGORIES
Equipment mounted on a truck or trailer chassis must be titled and registered. One of the following documents is required to register all NON-TITLED SMM equipment:
- Title or MSO
- Bill of Sale
- Equipment Invoice
- Affidavit of Ownership
- Previous owner's registration with proof of purchase
In order to register the equipment properly, you need to know the year, make, model, VIN or serial number, purchase date and purchase price.
PLATED SMM:
SMM equipment which is constructed on a truck or trailer chassis that is designed and intended to be used over the highway.
- Self propelled
- Rubber tires
- Permanently mounted to a trailer
- Pulled or driven over the highways
- Vehicle with permanently mounted SMM equipment must have the same manufacture year
- Office trailer 8 ½ feet wide or less
A vehicle with attached SMM equipment, that transports cargo other than the tools to service the unit, can't be issued an SMM plate.
SMM DECALS:
SMM equipment on tracks or a specifically built chassis for specialized construction jobs.
- Self propelled with tracks
- Always hauled to destination
- Office trailer 8 ½ feet wide and over - oversized permit must be obtained from CDOT (Colorado Department of Transportation)
- SMM equipment mounted to a truck or trailer different from the manufacture year.
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