Criswell Chevrolet GMC of Gaithersburg

Chevrolet Medium Duty Trucks

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Chevrolet Medium Duty and Low Cab Forward Trucks – 4500 HD, 5500 HD & 6500 HD in Gaithersburg, MD

Chevrolet medium duty trucks are built for businesses that require more strength, flexibility, and durability than a traditional pickup can provide. From construction and landscaping to delivery and service fleets, these commercial-grade trucks are designed to support demanding workloads throughout Gaithersburg, MD and the surrounding Metro Washington, D.C. area.

The Chevrolet Silverado 4500 HD, 5500 HD, and 6500 HD Chassis Cab models offer a wide range of Gross Vehicle Weight Ratings, dependable diesel power, and extensive upfitting potential. Each model is engineered to serve as a reliable foundation for specialized equipment, allowing businesses to configure their truck to meet specific operational needs.

At Criswell Chevrolet GMC of Gaithersburg, our team works with commercial customers to help identify the right medium-duty truck and chassis configuration for their industry. Whether you are expanding a fleet or replacing an existing work vehicle, our Chevy Commercial expertise ensures a solution built around your business.

Commercial Silverado 4500 HD, 5500 HD, 6500 HD vehicles on a construction site

Chevrolet Silverado Medium Duty Chassis Cab Overview

The Chevrolet Silverado Medium Duty lineup is engineered for demanding commercial applications and built to handle heavy payloads, frequent use, and tough job sites. Chevrolet’s medium-duty trucks include the Silverado 4500 HD, 5500 HD, and 6500 HD, all designed as chassis cab platforms to support a wide range of upfits.

These Class 4–6 commercial trucks offer:

  • Silverado 4500 HD: Approximately 14,001–16,500 lbs GVWR
  • Silverado 5500 HD: Approximately 17,500–19,500 lbs GVWR
  • Silverado 6500 HD: Approximately 21,000–23,500 lbs GVWR
  • Low Cab Forward 4400: Approximately 14,500–16,500 lbs GVWR
  • Low Cab Forward 5500 XD: Approximately 17,500–19,500 lbs GVWR

All models are powered by the proven Duramax 6.6L Turbo-Diesel V8 engine, delivering the torque and reliability businesses depend on for daily operations. With a maximum GVWR of up to 23,500 pounds, these trucks are built to handle serious work without compromise.

2024 Chevrolet Silverado 4500 Regular Cab DRW RWD Cab Chassis

Built for Commercial Upfitting & Job-Specific Needs

One of the biggest advantages of Chevrolet medium-duty trucks is their chassis cab design, allowing them to be customized for nearly any industry. Whether your business requires a dump truck, flatbed, box truck, or specialized equipment body, the Silverado Medium Duty platform is designed to accommodate a wide range of upfits.

Common applications include:

  • Construction and contracting
  • Landscaping and municipal services
  • Freight, delivery, and logistics
  • Utility and service fleets

With a reinforced frame and commercial-grade components, Chevrolet medium-duty trucks provide the flexibility needed to build a truck that works as hard as your business does.

2024 Chevrolet Silverado 6500 Regular Cab DRW 4WD Cab Chassis

Duramax 6.6L Turbo-Diesel Power & Capability

Every Silverado Medium Duty truck is equipped with the Duramax 6.6L Turbo-Diesel V8, delivering dependable performance for heavy loads and long workdays. This diesel engine is designed for durability, efficiency, and consistent power, making it ideal for businesses that rely on their trucks every day.

Paired with an Allison automatic transmission, this powertrain offers smooth shifting, confident acceleration, and the strength needed to handle demanding commercial workloads across Gaithersburg, Rockville, Germantown, and beyond.

2024 Chevrolet Silverado 6500 Regular Cab DRW 4WD Cab Chassis interior

Commercial-Focused Interior & Driver Comfort

Inside the cab, Chevrolet medium-duty trucks are designed with drivers in mind. Long hours on the road or job site demand comfort, visibility, and intuitive controls. The Silverado Medium Duty interior provides a functional layout with durable materials, clear instrumentation, and smart storage solutions to keep tools, paperwork, and personal items organized.

Wide-opening doors, excellent outward visibility, and available driver-assist technologies help improve confidence and reduce fatigue during long shifts.


Medium Duty Trucks Built for Every Workload


2024 Chevrolet Silverado 4500 Regular Cab DRW RWD Cab Chassis

Chevrolet Silverado 4500 HD Performance & Capability

The Silverado 4500 HD is designed for commercial operations that require a balance of strength and maneuverability. With a Gross Vehicle Weight Rating (GVWR) ranging from approximately 14,001 to 16,500 pounds, this Class 4 truck is well suited for lighter upfits while still delivering serious work-ready performance.

Power comes from the Duramax 6.6L Turbo-Diesel V8, providing the low-end torque needed for hauling equipment, tools, and materials throughout the workday. Built on a reinforced chassis cab platform, the Silverado 4500 HD offers the durability and stability businesses rely on when customizing their truck for specific job requirements.

2024 Chevrolet Silverado 5500 Regular Cab DRW RWD PJ's Landscape Dump

Chevrolet Silverado 5500 HD Performance & Capability

The Silverado 5500 HD steps up in capacity for businesses that demand increased payload and upfitting flexibility. With a GVWR typically ranging from 17,500 to 19,500 pounds, this Class 5 medium-duty truck is engineered for heavier commercial applications.

Equipped with the Duramax 6.6L Turbo-Diesel V8, the Silverado 5500 HD delivers consistent power for stop-and-go job sites, deliveries, and long-haul routes. Its chassis cab configuration allows for seamless integration of box bodies, flatbeds, dump bodies, and other specialized equipment, making it a versatile solution for growing fleets.

2024 Chevrolet Silverado 6500 Regular Cab DRW 4WD Cab Chassis

Chevrolet Silverado 6500 HD Performance & Capability

For the most demanding commercial workloads, the Silverado 6500 HD offers maximum strength within Chevrolet’s medium-duty lineup. This Class 6 truck provides a GVWR of approximately 21,000 to 23,500 pounds, making it ideal for heavy upfits and high-capacity applications.

The Duramax 6.6L Turbo-Diesel V8 supplies dependable performance under load, while the robust frame and commercial-grade components are built to handle continuous use in tough environments. The Silverado 6500 HD serves as a powerful foundation for large box trucks, freight applications, and specialized commercial equipment where reliability and capacity are critical.

2024 Chevrolet Silverado 4500 Regular Cab DRW RWD Cab Chassis

Why Buy a Chevrolet Medium Duty Truck at Criswell Chevrolet GMC?

At Criswell Chevrolet GMC of Gaithersburg, we understand the unique needs of commercial customers. Our team is experienced in helping businesses select the right medium-duty truck configuration and guiding you through upfitting options to match your specific application.

We proudly serve commercial and fleet customers throughout the Metro Washington, D.C. area and are committed to delivering reliable trucks that support your business goals.

Call (301) 637-8281 today to learn more about Chevrolet medium-duty trucks, explore available inventory, or discuss custom commercial solutions. We look forward to helping you build the right truck for the job.

Low Cab Forward 4400 & 5500 XD – Versatile Medium Duty Trucks in Gaithersburg, MD

The Low Cab Forward 4400 and Low Cab Forward 5500 XD bring power, reliability, and versatility to businesses across Gaithersburg, MD, and the surrounding areas. Designed for commercial applications, these trucks offer a wide range of Gross Vehicle Weight Ratings (GVWR) to handle a variety of workloads.

Powered by dependable diesel engines, the LCF 4400 and 5500 XD deliver consistent performance, fuel efficiency, and long-lasting durability—making them ideal for heavy-duty operations. Each model also provides extensive upfitting potential, allowing businesses to equip their truck with specialized equipment to meet specific operational needs, from delivery and utility work to construction and landscaping.

Engineered as a reliable foundation for your business, these trucks ensure that your operations stay productive and efficient, no matter the job. With the flexibility of the Low Cab Forward platform, companies in Gaithersburg, MD can configure their truck exactly the way they need it.

Key Features of the Low Cab Forward 4400 & 5500 XD:

  • Wide range of GVWR options for diverse workloads
  • Dependable diesel power for long-lasting performance
  • Extensive upfitting and customization potential
  • Built to serve as a reliable foundation for specialized equipment

Explore the Low Cab Forward inventory today and see why these models are trusted by businesses throughout the region for dependable, adaptable medium-duty trucks.

Criswell Chevrolet GMC of Gaithersburg

503 QUINCE ORCHARD RD, GAITHERSBURG, MD 20878

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Hours

Monday 9:00AM - 8:00PM
Tuesday 9:00AM - 8:00PM
Wednesday 9:00AM - 8:00PM
Thursday 9:00AM - 8:00PM
Friday 9:00AM - 7:30PM
Saturday 9:00AM - 6:00PM
Sunday 12:00PM - 5:00PM
Monday 7:00AM - 7:30PM
Tuesday 7:00AM - 7:30PM
Wednesday 7:00AM - 7:30PM
Thursday 7:00AM - 7:30PM
Friday 7:00AM - 7:30PM
Saturday 7:00AM - 6:00PM
Sunday Closed
you break it we fix it
Monday 7:00AM - 7:30PM
Tuesday 7:00AM - 7:30PM
Wednesday 7:00AM - 7:30PM
Thursday 7:00AM - 7:30PM
Friday 7:00AM - 7:30PM
Saturday 7:00AM - 6:00PM
Sunday Closed

Frequently Asked Questions About Chevrolet Medium Duty Trucks

What qualifies as a Chevrolet medium duty truck?

Chevrolet medium duty trucks fall within Class 4 through Class 6 vehicles and include the Silverado 4500 HD, 5500 HD, and 6500 HD Chassis Cab models. These trucks are designed for commercial use and offer higher Gross Vehicle Weight Ratings than traditional heavy-duty pickups.

What is the difference between the 4500 HD, 5500 HD, and 6500 HD?

The primary difference between these models is their GVWR range and intended workload. The 4500 HD supports lighter commercial upfits, the 5500 HD offers increased capacity for heavier equipment, and the 6500 HD is built for the most demanding applications with the highest GVWR.

Are Chevrolet medium duty trucks sold as chassis cabs?

Yes. All Chevrolet medium duty trucks are available as chassis cab models, allowing businesses to customize their truck with upfits such as box bodies, flatbeds, dump bodies, or specialized service equipment.


The New Vehicle Internet Sale Price (ePrice) includes rebates, incentives and dealer discounts. Freight, sales tax, tags and a $800 processing charge are additional. To provide you with the best upfront pricing, ePrices are valid on in stock units only. Internet Sale Prices (ePrices) are valid based on manufacturer incentive program time periods. We make every effort to provide accurate information; please verify options and price before purchasing. All prices, specifications, and availability are subject to change without notice. All financing is subject to approved credit. Pictures may be for illustrative purposes only; offers not valid on prior sales. Please contact Criswell Chevrolet in Gaithersburg, MD for complete details and the most current information. Criswell Chevrolet GMC will NOT sell or lease New Vehicles in the states of Alaska, Montana, New Hampshire, or Oregon unless primary residence is in mentioned state. Every Used vehicle purchased from Criswell Chevrolet comes Maryland State Inspected, with a fresh oil change and a free CARFAX vehicle history report. The Used Vehicle Internet Sale Price (Our Price) is plus sales tax, tags and a $800 processing charge. All prices, specifications, and availability are subject to change without notice. Pictures may be for illustrative purposes only; offers not valid on prior sales Please contact Criswell Chevrolet in Gaithersburg, MD for complete details and the most current information. Not available with special finance, lease and some other offers.

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