Maine Vehicle Inspection Exemption: Antique, Farm, and Custom Rules

A Maine vehicle inspection exemption applies to a specific list of vehicles set out in Title 29-A, Section 1752 of the Maine Revised Statutes. If your vehicle fits one of the listed categories, you either skip the annual safety inspection entirely or satisfy a reduced set of requirements. Everything else registered in Maine must pass a standard annual inspection.¹

Vehicles Fully Exempt from Inspection

Section 1752 lists several categories that need no annual inspection at all:

Antique autos registered under Section 457.
Farm tractors, with no conditions attached.
Mopeds, motorized bicycles, and motorized tricycles, regardless of how or where they are used.
Passenger vehicles operated exclusively on an island that has no state-maintained roads and registered under the $2 island vehicle fee.
Low-speed vehicles registered under Section 501. These are exempt from inspection but must still meet the equipment requirements in Section 1925.
Vehicles owned and registered in another state that display a valid inspection certificate from that state, or that participate in a federally approved commercial vehicle inspection program.

The vehicle has to actually meet the statutory definition of its category. Registering a vehicle in the wrong category to avoid an inspection is itself a violation.¹

Vehicles With a Reduced Inspection

Three categories get partial exemption rather than full exemption. They skip the standard annual inspection but still have to pass a limited one.

Farm Trucks

A farm truck qualifies only if all three of these apply: it operates within a 20-mile radius of the farm where it is normally kept, it displays the name of the municipality where excise tax is paid in four-inch letters on the left cab door, and it undergoes a partial annual inspection covering running gear, steering, brakes, exhaust, lights, safety glass, and tires. The 20-mile radius is measured from the farm’s main entrance, not the town line. Drive the truck outside that radius or fall short on the other conditions, and it needs a full inspection like any other vehicle.¹

Fish Trucks

Fish trucks follow the same rules as farm trucks. Twenty-mile operating radius from the municipality where excise tax is paid, the municipality name on the cab door in four-inch letters, and the same partial annual inspection of running gear, steering, brakes, exhaust, lights, safety glass, and tires.¹

Woods Tractors

Converted motor vehicles used exclusively for logging can qualify as woods tractors. The rules are tighter. Operation is limited to daylight hours, within a 10-mile radius of where the vehicle is kept, and only for trips between the premises and logging sites or fuel stations. The vehicle must be registered as a tractor or be exempt from registration.¹

Antique Auto Rules and the 2025 Age Change

The antique auto exemption is the one most individual owners ask about, and the age threshold recently changed. Under the current Section 101 definition, an antique auto has to meet all of the following:

More than 35 years old. Vehicles between 25 and 35 years old only qualify if they were already registered in Maine as an antique before January 2025.
An engine manufactured at the same time as the vehicle, or built to the original engine’s specifications.
Substantially maintained in original or restored condition and used primarily for exhibitions, club activities, parades, or similar functions of public interest.
Not the owner’s primary way of getting around or hauling goods.
Not classified as reconstructed, altered, or off-road under other statutory categories.

The age rule is the trap. Before 2025, the threshold was 25 years. A 2000 model-year vehicle that would have qualified in 2024 no longer can under the new standard unless it was already registered as an antique in Maine before January 2025.²

Age alone is not enough. Owners who use their antique vehicle as a daily driver do not qualify. Occasional personal use is fine, but the primary purpose has to be exhibition or hobby-related activity.

How to Register an Antique Auto

There is no separate exemption application. The inspection exemption kicks in automatically once the vehicle is registered as an antique auto under Section 457. The steps:

Pay the municipal excise tax at your local town office.
Gather documents. For a private sale, that means a signed bill of sale, proof of sales tax payment at 5.5% of the purchase price, evidence of insurance, and the registration application with the excise tax receipt.
Complete the Antique Auto Affidavit (Form MV-65), available at any Bureau of Motor Vehicles branch office or through the Secretary of State’s website.
Register at the BMV or your municipality. Some municipalities handle BMV registrations directly; if yours does not, bring your documents to a BMV branch office.
Pay the $30 antique auto registration fee. Vanity plates cost an additional $25 per year.

The affidavit is the key document because it establishes that the vehicle meets the statutory definition. Once registration is complete, no annual inspection is required.³

Custom Vehicles and Street Rods

Custom vehicles and street rods do not fall under the Section 1752 exemption list. They are subject to Maine’s inspection requirements under Section 1751, but the Chief of the State Police can adopt rules creating specific exemptions for these vehicles. In practice, they follow a modified inspection standard set by State Police administrative regulations rather than the full standard applied to regular passenger vehicles.⁴

Penalties for Claiming an Exemption You Don’t Qualify For

Operating a vehicle without a valid inspection certificate when one is required is a traffic infraction under Section 1768. Driving a vehicle with equipment that does not meet inspection standards is a traffic infraction in most cases as well.⁵

The stakes rise quickly. If an equipment deficiency makes the vehicle an immediate hazard to occupants or the public, or if you are involved in an accident caused by that deficiency, the violation becomes a Class E crime rather than a civil infraction. Class E is the lowest level of crime in Maine, but it is still a criminal charge.⁵

Displaying a fictitious inspection certificate, or making, possessing, or using a counterfeit one, is a Class E crime in its own right. Falsely claiming an exemption to avoid inspection would likely fall under the fictitious certificate or counterfeit provisions depending on the specifics.⁵

Insurance and Your Safety Obligation Don’t Go Away

An inspection exemption does not exempt you from keeping your vehicle in safe, operable condition. Maine’s general safety requirements still apply. If you are in an accident and your vehicle had a mechanical deficiency you knew about or should have known about, that negligence can increase your liability regardless of whether inspection was required.

Insurance is the other practical piece. Standard auto policies assume the vehicle meets state requirements, and collector vehicle policies commonly restrict annual mileage and prohibit use as a daily driver or for commercial purposes. Those restrictions line up with the statutory conditions for the antique exemption. If you register a vehicle as an antique auto, tell your insurer. Failing to disclose the vehicle’s exempt status could give the insurer grounds to deny a claim.

1
Maine State Legislature. Maine Revised Statutes Title 29-A, Section 1752 – Motor Vehicles Exempt from Inspection
2
Maine State Legislature. Maine Revised Statutes Title 29-A, Section 101 – Definitions
3
Maine Secretary of State. Register an Antique Auto or Motorcycle
4
Maine State Legislature. An Act to Require the Correct Motor Vehicle Registration for Antique Autos and Custom Vehicles
5
Maine State Legislature. Maine Revised Statutes Title 29-A, Section 1768 – Unlawful Acts