Blog HIPOTRUK 18-Axle SPMT Self-Propelled Modular Trailer for 420-Ton Cargo HIPOTRUK recently manufactured an 18-axle side-by-side Self-Propelled Modular Transporter (SPMT) designed to handle 420-ton cargo. Fully compatible with Goldhofer THP/SL heavy-duty modules. November 26, 2024 No Comments