8.5x12TA Charcoal Enclosed Office Trailer – 2026 Rock Solid Cargo

VIN: 74591 | IN STOCK | $20,900

Looking for an enclosed office trailer for sale with a professional interior, built-in workspace, storage, electrical package, and climate control? This 2026 Rock Solid Cargo 8.5x12TA Charcoal Office Trailer is in stock and ready for work.

Built as a versatile mobile office trailer, jobsite office, contractor trailer, or enclosed workspace, this trailer features insulated Silver Frost walls and ceiling, RTP flooring, custom cabinets, work benches, a 50-amp electrical package, and a 15K BTU A/C with heat strip.

Trailer Specifications

• Size: 8.5x12TA

• Brand: 2026 Rock Solid Cargo

• VIN: 74591

• Price: $20,900

• Exterior: .080 Charcoal Polycore

• Blackout Package

• 7’ Interior Height

• 60” TTT

• 3500lb Tandem Axles

• Mag Wheels

• Black Interior Trim

• Flat Front with Added Window

• Braced for Awning

• 78” Tall Side Door

• 48” Rear Ramp Door with Spring Assist

Office Interior & Storage

• Insulated Silver Frost Walls & Ceiling

• RTP Floor & Ramp

• Custom Upper Cabinets

• Lighting Under Upper Cabinets

• Closet with Adjustable Shelves

• Base Cabinets

• Built-In Work Benches

• Toolbox

Electrical & Climate Control

• 50-Amp Electrical Package with MB Plug

• (4) 48” 12V LED Lights

• Extra Electrical Receptacles

• 12V Battery & Charger

• 15K BTU A/C with Heat Strip

Mobile Office Trailer for Sale

This 8.5x12 enclosed office trailer offers a compact, professional workspace that can travel wherever the job takes you. The combination of built-in cabinetry, work benches, electrical service, insulation, heating, and air conditioning makes it a great option for contractors, construction crews, mobile businesses, jobsite operations, and customers needing a dedicated portable workspace.

We ship nationwide, so you don't have to be local to purchase this office trailer.

Contact Summit Cargo Trailers

Text: 229-391-1186
Call Office: 229-396-4309
Email: Sales@SummitCargoTrailers.com

Multiple purchase options available.

Contact Summit Cargo Trailers today for availability, purchasing information, nationwide shipping, or a quote on a custom enclosed office trailer.