What is the towing and payload capacity of the GMC 3500 flat bed truck?

The GMC 3500 flat bed truck is built for heavy-duty work, offering robust towing and payload capabilities that support a wide range of commercial applications. Exact capacity depends on upfit, drivetrain, and configuration, but models commonly support over 7,000 lbs of payload and more than 20,000 lbs of towing when properly equipped.

Are different flatbed types or brands available on the GMC 3500 chassis?

Yes. Many listings feature upfits from trusted brands like CM Truck Beds and Knapheide Steel Flatbed, offering options like gooseneck hitches, steel construction, and rear stake pockets to suit specific job needs.

Is the GMC 3500 flat bed truck available with 4WD?

4WD configurations are widely available, providing enhanced traction and control for off-road or all-weather job sites. You can filter inventory to find Crew Cab 4WD or Pro Regular Cab 4WD models that match your terrain and load requirements.

What cab and drivetrain configurations are available?

You’ll find a range of builds, including Regular Cab, Pro Crew Cab, and Sierra 3500 Pro setups. These pair with either gas or diesel powertrains, giving you flexibility based on your hauling demands and fuel preferences.

Can these vehicles be used in a mixed fleet with other brands like Chevrolet?

Absolutely. GMC and Chevrolet share GM platforms and many mechanical components, making the GMC 3500 flat bed truck compatible with service routines and equipment standards in mixed-brand fleets.

Where are these trucks located and available for purchase?

Comvoy connects you with commercial dealers across the U.S. Inventory is updated frequently, with listings that include vehicle specs, dealer contact info, and upfit details to streamline your decision-making.

GMC 3500 Flatbed Trucks for Sale in Washington

GMC close_small Sierra 3500 close_small Flatbed Truck close_small Washington close_small Clear all

Filters

2 results

Used 2018 GMC Sierra 3500 Regular Cab Flatbed Truck

Diesel
4WD
Regular Cab

location_on

Good Chevrolet

Renton, WA (2,046.4 mi)

(425) 207-4732

New 2026 GMC Sierra 3500 Crew Cab Flatbed Truck

$74,922

sell

Key features

Diesel
10' Harbor Body
4WD

location_on

Titus-Will GMC

Olympia, WA (2,087.2 mi)

(206) 208-4368

GMC 3500 Flatbed Trucks for Sale in Washington

Filters

2 results

Applied

Location

Condition

Listing Type

Used 2018 GMC Sierra 3500 Regular Cab Flatbed Truck

New 2026 GMC Sierra 3500 Crew Cab Flatbed Truck

Frequently Asked Questions about GMC Sierra 3500 Flatbed Trucks

Helpful Resources

Most Popular Work Truck and Van Inventory

Right Truck. Right Place. Right Time.