Diamond Utility Flatbed Sign Truck | RAM 3500 Fleet Sign Maintenance Body

Product Overview

The Diamond Truck Body Utility Flatbed Sign Truck is a purpose-built work platform designed for sign maintenance crews, traffic departments, public works agencies, utility contractors, and municipal fleets. Engineered for efficient roadside operations, this custom flatbed combines secure equipment storage, integrated pipe and sign racks, water tank storage, and specialized post installation equipment into one highly capable service vehicle.

Installed on a RAM 3500 chassis with a 60″ Cab-to-Axle (CA) dual rear wheel configuration, this custom fleet build is ideal for traffic sign installation, roadway maintenance, utility work, and public infrastructure projects.

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Chassis Specifications

• Make / Model: RAM 3500
• Year: 2026
• Cab-to-Axle (CA): 60″
• Wheel Configuration: Dual Rear Wheel (DRW)
• Fuel Type: Gasoline
• Application: Municipal Sign Maintenance / Public Works / Utility Fleet

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Flatbed Specifications

• Manufacturer: Diamond Truck Body
• Body Type: Heavy-Duty Utility Flatbed
• Body Length: 10 Foot
• Deck Dimensions: 120″ × 96″
• Deck Material: 12-Gauge Steel Diamond Plate
• Finish: White
• Installation: Professionally Installed

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Key Features & Upgrades

Heavy-Duty Flatbed Construction

• Commercial-grade steel flatbed
• 12-gauge steel diamond plate deck
• Heavy-duty 4″ crossmembers
• Minimum 6″ longitudinal sills
• Recessed stake pockets for versatile cargo securement
• 46″ tall square headboard with expanded metal insert for cab protection

Utility Storage System

• (1) 36″ × 18″ × 18″ underbody toolbox (street side)
• (1) Custom open storage box with 10″ access door
• Dimensions: 36″ × 24″ × 24″
• (2) Rear-facing underbody toolboxes
• Dimensions: 24″ × 12″ × 18″
• Designed for organized storage of traffic control equipment, tools, and maintenance supplies

Sign & Material Handling Package

• Custom curb-side sign rack
• Integrated with pipe rack system
• Sign rack dimensions: 40″ L × 6″ W × 38″ H
• Heavy-duty pipe rack measuring 132″ L × 12″ W × 10″ H
• Reinforced 12″ boxed forward section for additional structural support
• Ideal for transporting sign posts, conduit, pipe, and long materials

Water Tank System

• Underbody-mounted water tank on curb side
• Rear dock bumper fill inlet
• Curb-side discharge outlet
• Designed for dust control, concrete work, sign installation, and field operations

Traffic & Safety Equipment

• LED marker and clearance lights
• (2) Whelen L31HAPCA amber LED beacon lights
• Mounted on each side of the headboard for maximum visibility
• Composite 5″ side and rear panels for added cargo retention

Specialized Equipment

• LiftWise Bemis PPF203 bumper-mounted post puller
• Designed for efficient removal of sign posts and roadside infrastructure
• Purpose-built for traffic maintenance and sign replacement operations