According to New Mexico law, an OHV is a motor vehicle designed for operation exclusively off the highway or road and includes the following.
- All-Terrain Vehicle (ATV): Any motor vehicle designed for travel over unimproved terrain that is 50 inches or less in width, weighs 1,000 pounds or less, has three or more low-pressure tires, has a seat designed to be straddled by the operator, and has handlebar-type steering control
- Off-Highway Motorcycle (OHM): Any motor vehicle designed for travel over unimproved terrain on no more than two tires that has a seat designed to be straddled by the operator, and handlebar-type steering control
- Snowmobile: Any motor vehicle designed for travel on snow or ice and steered and supported in whole or in part by skis, belts, cleats, runners, or low-pressure tires
- Recreational Off-Highway Vehicle (ORVs, UTVs, or mule-type vehicles): Any motor vehicle designed for travel on four or more non-highway tires and that is less than 80 inches in width, weighs 1,750 pounds or less, has an operating speed greater than 35 mph, has non-straddle seating, and has a steering wheel for steering control