MC 331 Tank Trailers: Reliable Transport for Pressurized and Liquefied Gases

Transporting liquefied petroleum gases like propane, butane, or anhydrous ammonia requires equipment you can count on under pressure—literally. That’s why Matlack Leasing provides MC-331 liquefied gases trailers engineered for the safe, compliant, and efficient movement of pressurized cargo.

Each pressurized gases trailer in our fleet is built to meet DOT and NFPA standards and comes equipped with pressure-rated vessels, internal valves, vapor recovery systems, and detailed instrumentation. Our leasing program offers both short- and long-term solutions, so whether you’re running seasonal loads or managing a year-round distribution network, you’ll have access to trailers that meet your needs without compromise.

Equipment Tailored to the Job

Matlack Leasing offers a variety of MC-331 trailer configurations to handle your unique cargo volume and delivery specs. Our liquefied gases trailers include options for propane, butane, ammonia, and other pressurized gases, with features that support safer offloading, better fuel efficiency, and long-term durability.

With corrosion-resistant materials and customizable discharge systems, your fleet is supported by equipment built for reliability, whether you’re serving agricultural clients, industrial plants, or fuel stations.

Leasing Backed by Industry Know-How

As one of the leading tank trailer leasing providers in the U.S., Matlack Leasing works closely with bulk gas haulers, propane distributors, and petrochemical suppliers across the country. Our experience means you get more than equipment—you get expert guidance on compliance, maintenance planning, and route-readiness. We stay current with evolving safety regulations so your fleet stays protected and fully certified. That depth of knowledge helps streamline onboarding for new drivers and keeps deliveries on schedule.

We know that gas transport can be complex. That’s why we provide transparent terms and scalable leasing packages tailored to your operation’s size, territory, and schedule.

Confidence on the Road

With service hubs strategically located across major U.S. freight routes, Matlack Leasing in Chicago, IL, offers responsive support wherever your trailers travel. Contact us today to learn more about our MC-331 trailers and how our liquefied gases leasing solutions can keep your deliveries safe, smooth, and on time.

Frequently Asked Questions

What is an MC-331 trailer used for?

MC-331 trailers are designed to transport liquefied gases under pressure, including propane, butane, anhydrous ammonia, and similar hazardous materials.

Do your trailers meet DOT safety standards?

Yes. All MC-331 trailers meet Department of Transportation (DOT) regulations and are maintained to comply with federal, state, and NFPA safety guidelines.

Can I lease trailers for seasonal delivery needs?

Absolutely. Matlack Leasing offers both short-term rentals and long-term leasing programs to meet changing demand.

Is maintenance included in the lease?

Yes. Our lease plans include scheduled maintenance, safety inspections, and repair services handled through our service network.

Do you offer different sizes and pressure ratings?

We do. Our pressurized gases trailers are available in a range of capacities and specifications to meet varied cargo and delivery requirements.

MC 307- DOT 407 Specifications:

DOT 407 with vapor recovery curbside
  • Straight Round
  • 5,000 – 8,000 gallons
  • MAWP of 30 PSI
  • Max Loading Temp. of 300 deg. F
  • Insulated 
  • Rear Discharge 
  • Steam Heat Capable

MC 307 – DOT 407 Options:

DOT 407 with vapor recovery curbside
  • Dip Tubes
  • Overfill Protection
  • Safety Walkways and Railings
  • Tank Linings
  • Vapor Recovery
  • Center off-loading