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How to Add or Replace a Truck on Your TxDMV Certificate and Cab Card

Reviewed by Austin Park, founder of ICR Filings · Updated November 11, 2026

The short answer
  • You add vehicles online in TxMCCS.
  • TxDMV's vehicle fee is $10 per vehicle for a one-year registration or $20 per vehicle for two years.
  • Replacing a truck is different: TxDMV does not charge vehicle fees when you substitute a vehicle for one already on the certificate.
  • Print a new insurance cab card afterward so the copy in the truck is current.

Your TxDMV certificate belongs to your company, and the vehicles you run under it are listed on it. When you buy another truck or trade one in, the certificate has to catch up before that truck hauls intrastate freight in Texas.

Adding a truck

TxDMV says you may add vehicles online, and the fee is due at the time of registration:

  • $10 per vehicle for a one-year registration.
  • $20 per vehicle for a two-year registration.

You do this in TxMCCS, the system that replaced MCCS and eLINC on August 3, 2026. Carriers who have not signed in since then need a new account first: see TxMCCS login and claiming your certificate. Payment is by card (with a service charge of 25 cents plus 2.25 percent) or electronic check, and TxDMV says all fees are nonrefundable.

Replacing a truck

A swap is treated differently from an addition. TxDMV says you are not required to pay vehicle fees when substituting a vehicle for a current or existing vehicle, and that this can be done online. So if one truck is leaving and another is taking its place, replace it instead of adding a new vehicle and paying again.

“You are not required to pay vehicle fees when substituting a vehicle for a current/existing vehicle.”
TxDMV: TxDMV number

Which vehicles this covers

TxDMV says you must register as a motor carrier when you:

  • Operate a commercial motor vehicle, or a combination, with a gross weight, registered weight, or gross weight rating over 26,000 pounds.
  • Transport hazardous materials in a quantity that requires placarding.
  • Operate a farm vehicle with a gross weight, registered weight, or gross weight rating of 48,000 pounds or more.
  • Operate a vehicle designed to transport more than 15 passengers, including the driver.
  • Operate a commercial school bus.
  • Transport household goods for compensation, regardless of vehicle weight.

Tell your insurer

TxDMV requires an active insurance filing on your certificate at all times and holds the carrier responsible for it. TxDMV's pages do not say whether adding a vehicle needs anything new from your insurance company, so call your agent before the new truck works: confirm it is on the policy and ask whether the filing with TxDMV needs an update.

Once the change is made, print a new insurance cab card in TxMCCS and put it in the truck. TxDMV requires a current copy in the commercial vehicle at all times, on paper or electronic, available to show law enforcement on request.

Renewal coming up too? See how to renew a TxDMV certificate.

Common questions

How much does it cost to add a truck to my TxDMV certificate?

TxDMV lists $10 per vehicle for a one-year registration and $20 per vehicle for a two-year registration, due at the time of registration.

Do I pay to swap one truck for another?

No vehicle fee. TxDMV says you are not required to pay vehicle fees when substituting a vehicle for a current or existing vehicle.

Where do I add a truck?

Online in TxMCCS at txmccs.txdmv.gov. If you have not logged in since August 3, 2026, create a new account and claim your certificate first.

Do I need a new cab card after adding a truck?

Print a fresh one. TxDMV requires a current copy of the insurance cab card in the commercial vehicle at all times, on paper or electronic.

Does every vehicle I own go on the certificate?

TxDMV registration applies to commercial motor vehicles operated intrastate that meet its thresholds, such as a gross weight, registered weight, or gross weight rating over 26,000 pounds. See TxDMV's list for the other cases.

Official sources

This guide is general information, not legal advice. Rules and fees change, so confirm with the official source before you file.

Related guides

Want us to handle it?

Texas intrastate motor carrier registration for trucks over 26,000 lbs. Our turnaround: submitted within 1 business day.

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