Used Semi Trucks / Trucks for Sale near Boulder, Colorado

Used 2017 Freightliner M2 106 Cummins ISL Day Cab Truck

Used 2017 Freightliner M2 106 Cummins ISL Day Cab Truck

Used 2016 International ProStar+ - photo 1

Used 2016 International ProStar+ - photo 2

Used 2016 International ProStar+ Cummins X15, Signature Day Cab Truck

Used 2017 Freightliner M2 106 Cummins ISL Day Cab Truck

Used 2018 Freightliner Cascadia - photo 1

Used 2018 Freightliner Cascadia - photo 2

Used 2018 Freightliner Cascadia Cummins X15 Day Cab Truck

Kapolei, HI (3,342.2 mi)

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Helpful Resources

Best Tow Trucks 2026: Top Picks for Every Need

Find the best tow trucks for every towing need. Compare half-ton to one-ton picks by towing capacity, use case, and trailer type.

Best Lawn Care & Lawn Maintenance Trucks 2026

Find the best lawn care and lawn maintenance trucks. Compare top pickups by payload, towing, and upfit options for your crew.

Best Older Work Trucks with Good Gas Mileage

Find the best older work trucks with good gas mileage. See which used work trucks and pickups deliver strong MPG, lower fuel costs, and enough capability for your daily routes and hauling needs.

Best Used Full-Size Pickup Trucks for Work in 2026

Explore the best used full-size pickup trucks for work. Learn which used full-size trucks offer the best towing, payload, and reliability so you can choose the right work truck for your crew and jobs.

Best Used Small Pickup Trucks In 2026

Discover the best used small pickup trucks for work. Compare reliable compact and midsize used pickups on payload, towing, and fuel economy to choose the right small work truck for your business.

The Buyer's Guide To Choosing the Right Snowplow

Are you ready for snow season? This guide focuses on key considerations to keep in mind while selecting the best snowplow for your needs.

Made In America: Transfer Flow Inc's 40th Anniversary in the Fuel System Industry

As Transfer Flow Inc. commemorates its 40th anniversary, it's the perfect time to reflect on the company's rich history, impressive growth, and significant contributions to the fuel system industry.

Customers Love The V-Blade Plow. Here’s Why:

Communities in snowy and cold climates need the strongest and most reliable equipment available to keep their roads clear and their citizens safe. Those who have to plow several times a season often choose V-Blade Plows due to their incredible outcomes. The V-Blade Plow’s unique features helps users clear not only snow, but impacted icy areas with ease. It’s a versatile, easy-to-use solution that our customers continue to demand time after time. Here are a few reasons why:

Flex Fuel Vehicles: E85 Fuel Explained

As the push for sustainability encroaches on the auto industry, commercial vehicles are no exception. Flex fuel is a great option, but is it better?

An Excavation Business VP Shares his Process for Purchasing Fleet Trucks

This business-minded VP discusses why his company has chosen Ram pickup trucks: because they’ve been more cost-effective. His company's project managers, superintendents, management and foremen all have three-quarter-ton pick-up trucks.

Top Passenger Vans for Families & Groups in 2026

Discover top-rated 2026 passenger vans for families and groups with expert reviews and buying guides. Find your perfect van on Comvoy.

Best Large Family Vans 2026 | Top Models & Reviews

Need more than a minivan? Compare the best large family vans for 2026 with expert reviews and real buyer tips. Find your perfect van on Comvoy today.

An Excavation Business VP Shares his Process for Purchasing Fleet Trucks

Best Plumbing Trucks and Vans for Plumbers

Plumbing trucks and vans are more than transportation—they’re mobile workshops. This guide highlights essential features like upfit compatibility, storage solutions, towing capacity, and roof height. Explore top models, including the Ford Box Van and Chevrolet Express, and find plumbing-ready vehicles with Comvoy’s nationwide listings and smart search filters.

The Work Truck Coloring Book | Comvoy Learning

Download The Work Truck Coloring Book for some serious fun with your favorite work truck and van! We included a Service Truck, Box Truck, Cargo Van and more!

Best Trucks for Construction Contractors 2026

Compare the best trucks for construction workers and contractors. Half-ton to one-ton picks for every job site need.

General Contractors: 5 Considerations When Buying a Work Truck

As a general contractor considering a new vehicle, here's five topics to consider: storage, fuel type, personal space, security, hauling, and crew size.

Which Features are Best for Your Telecom Business?

Running a telecommunications cable construction company requires a fleet of very specific vehicles. Different body types are needed depending on the type of work the company specializes in. Weather and terrain are also very important factors. Companies operating in different parts of the world need to protect their workers and equipment from a range of different environmental conditions.

The Best Hard-working Vehicles for Farmers

A farmer needs a work truck with versatility. Not only that but potentially multiple trucks depending on demands of the farm. These farmers explain that their 250-acre farm needs the right vehicles for “a multitude of uses."

The Work Truck Coloring Book | Comvoy Learning

Download The Work Truck Coloring Book for some serious fun with your favorite work truck and van! We included a Service Truck, Box Truck, Cargo Van and more!

Delivery Companies Seeing Increase in Need During the Covid-19 Coronavirus Pandemic

Delivery companies see growth due to the Covid-19 Coronavirus pandemic and increased demand for food deliveries. Might be time to invest in a new delivery trucks or van.

Managing and Purchasing a Fleet for an HVAC Business

An experienced HVAC manager and technician provides insights on purchasing and managing a fleet of vehicles. While his business specializes in chimney work, the wisdom about fleet management is broadly applicable.

Top Five Vehicle Choices For Plumbers

Technically speaking, a plumber can use any car, truck, or van — but why settle for the bare minimum when there are vehicles designed specifically with plumbers in mind? A good vehicle needs to be an office, an indoor workspace, and a storage facility.

Selecting the Best Truck for Furniture Delivery

There’s a lot more to a furniture delivery truck than just the load capacity. Based on the sizes of your loads, the size of the furniture your business carries, your environment, and job frequency, there are a lot of ways to tailor your vehicle to your needs.

Storage in Box Delivery Truck

This delivery driver describes weight capacity and loading pallets in the delivery truck. Also, discover one of the challenges about finding parts for this chassis.

Discover Why 2 Box Trucks Work for this Office Furniture Store

A 12-foot and 14-foot box trucks were selected to deliver office furniture. This business owner describes the purchase process, what's important to him on the trucks, and what he'd like to change.

3 Important Accessories for Yard Maintenance Companies

A yard maintenance company offers services of mowing, trimming, and edging the grass. Whether a start-up entrepreneur or an established business, here are three important accessories (and a bonus tip!) for your yard maintenance company.

The Best Hard-working Vehicles for Farmers

The Work Truck Coloring Book | Comvoy Learning

Download The Work Truck Coloring Book for some serious fun with your favorite work truck and van! We included a Service Truck, Box Truck, Cargo Van and more!

Tips to Select a Service Truck for your Business

Owning a business in the construction and skilled trade industries requires rigid oversight around the current state of your fleet and its direct impact on business efficiency and profit.

The Best Work Vehicles For Pest Control

When a homeowner hears a scratching sound behind drywall or has to deal with hornet nests decorating their front door, a pest control company is the first place they call. The pest control industry is like a team of superheroes — always saving the day by getting rid of harmful insects

The Buyer's Guide To Choosing the Right Snowplow

Are you ready for snow season? This guide focuses on key considerations to keep in mind while selecting the best snowplow for your needs.