Johnson Trailer Parts 8.5 x 16 Deck Over Trailer Plans, 7,000 lb Capacity, DIY Blueprints, Step-by-Step Instructions, MDO816DS70

Johnson Trailer Parts 8.5 x 16 Deck Over Trailer Plans, MDO816DS70 Trailer BlueprintsBuild your own heavy-duty 8' 6" x 16' deck over trailer with these detailed MDO816DS70 blueprints. Designed for a 7,000 lb capacity tandem axle trailer, this plan set includes step-by-step instructions, steel cut list, material guidance, and fabrication details for a full-width deck-over design. Plans engineered by Synthesis Engineering Services, Inc. for a precise, heavy-duty trailer design.Specifications:Model: MDO816DS70Bed Size: 8' 6" x 16'Max Capacity: 7,000 lbsTrailer Type: Deck Over TrailerAxle Configuration: Tandem AxleFrame: Welded steel constructionThis plan package includes 35 pages of drawings plus 20 pages of instructions. Pages ship flat for easier use on a standard workbench and are easier to handle in the shop than rolled plans while still providing large, detailed drawings across multiple pages.Designed with multiple build options, these plans can be adapted to suit a range of trailer uses. Optional features include ramp configurations, deck choices, tie-down options, tongue storage tray, adjustable hitch setup, raised front options, and other practical trailer details. Johnson Trailer Parts also offers a matching trailer parts kit for this plan. Ideal for Do-It-Yourselfers, Builders, and Shop Classes.Note: These blueprints show how to build the trailer and install major components. They do not include physical trailer parts or instructions for manufacturing purchased components such as axles or other trailer hardware.Legal Notice: 2026 Johnson Trailer Parts. All rights reserved. These plans are licensed for personal use only. Copying, scanning, digital sharing, distribution, or reselling of this publication is strictly prohibited under U.S. copyright law.

• Deck Over Trailer Plans: Detailed engineered blueprints with step-by-step instructions for building an 8 ft 6 in x 16 ft deck over trailer from the ground up. Includes cut list, material guidance, fabrication details, and structural layout for a full-width trailer design
• 7,000 lb Capacity Design: Engineered for a heavy-duty tandem axle configuration with a 7,000 lb maximum capacity. Ideal for hauling equipment, vehicles, materials, and general-purpose cargo
• Detailed Drawings Shipped Flat: Includes 35 pages of drawings plus 20 pages of instructions. Ships flat for easier use on a standard workbench without the frustration of rolled-up plans
• Component Installation & Mounting: Includes layout and mounting guidance for standard trailer axles and related trailer components. These plans show how to build the trailer and install major components, but do not include instructions for manufacturing axles or other trailer parts
• Customizable Build Options: Includes multiple options such as slide in ramps, deck choices, tie-down options, raised front design, tongue storage tray, and adjustable hitch setup to help tailor the trailer to your build