3.5T Tandem Axle Flatbed Trailer

Create a 3.5‑tonne tandem‑axle flatbed trailer with the following specifications: Overall deck dimensions: Length: 5000 mm Width: 2100 mm Flatbed style with no side walls Main chassis rails: Two longitudinal rails Material: RHS 75×50×4 mm Length: 5000 mm Rails spaced 2100 mm apart (outer edges) Crossmembers: Material: RHS 50×50×3 mm Spacing: 400 mm centres along the 5 m length Crossmembers span the full 2100 mm width Deck surface: 3 mm steel checker plate Welded to crossmembers and perimeter Perimeter frame: Material: RHS 40×40×3 mm Runs around full deck perimeter Drawbar: A‑frame style Two members, RHS 100×50×4 mm Length: 1800 mm from front of deck to coupling centre Joined to chassis rails with gussets Coupling: 3.5‑tonne rated 50 mm ball coupling Suspension: Tandem slipper spring suspension Rated for 3500 kg ATM Includes front hangers, rear hangers, equaliser brackets Axles: Two axles 50 mm square parallel axles Each rated 1750–2000 kg Track width sized for 2100 mm trailer width Brakes: Electric drum brakes on all wheels 10–12 inch assemblies Wheels and tyres: Four wheels plus one spare Load‑rated rims and LT tyres Mudguards: Steel guards sized for wheel diameter Lighting: ADR‑compliant LED lights Tail, stop, indicator, side markers Breakaway system: Battery, switch, charger Tie‑downs: Weld‑on lashing rings along both sides Goal: Generate a technical drawing showing: Plan view (top) Side elevation Axle placement Drawbar geometry Suspension hanger locations Crossmember spacing Full chassis layout Output: Produce a dimensionally accurate technical drawing or 3D CAD model based on the specifications above.

Parameters

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.