There are at least two bands called Heavy Load:
1) Heavy Load was a heavy metal band from Stockholm, Sweden. Formed in 1976 by the brothers Ragne (vocals and guitar) and Styrbjörn Wahlquist (vocals and drums), together with bassist Michael Backlund.
In 1977 Heavy Load recorded their first album "Full Speed at High Level" (released 1978), now with Dan Molén on the bass.
After their debut, Ex-Highbrow guitarist was added to the lineup as well as Torbjörn Ragnesjö (A cousin of the Wahlquist brothers), replacing Dan Molén. Read more on Last.fm