ROCKAWAY, NEW JERSEY, Oct. 02, 2025 (GLOBE NEWSWIRE) -- TOPDON US (https://www.topdon.us/) announced today the addition of the ArtiDiag Heavy-Duty (HD) (https://www.topdon.us/products/artidiag-hd) to the company’s line of heavy-duty diagnostic tools for large commercial and fleet vehicles. Developed to offer comprehensive coverage of more than 60 brands of commercial truck, bus, construction and agricultural machinery, the ArtiDiag HD reads and clears fault codes and executes vital maintenance services such as DPF regen, urea drive, oil reset and SCR reset. “We designed the ArtiDiag HD to fill the need for diagnostic tools that support large automotive and heavy machinery equipment,” said Chad Schnitz, Vice President of TOPDON US. “Transport, construction and other heavy-duty equipment vehicles have unique mechanical systems that present different mechanical challenges from that of passenger vehicles. The ArtiDiag HD also allows users to analyze vehicle performance with real-time sensor data and capture freeze frame information for precise fault diagnosis.