Engineered Trailer Plans & Blueprints

Build your trailer with professionally engineered trailer plans and blueprints. Every plan includes step-by-step instructions, a cut list, a full bill of materials (BOM), and safety tips—so your build is safer, faster, and more accurate.

Perfect for DIY builders, industry professionals, and shop classes.

Choose a downloadable PDF or a professionally printed copy. Plans are designed to match our Trailer Parts Kits for quick ordering—buy the matched kit and the plan is automatically free at checkout.

Start your build below and enjoy fast delivery and expert support from Johnson Trailer Parts.

Note: PDF downloads are delivered as a ZIP file.