The Los Angeles Abrasion Machine comprises a heavy steel cylinder, rotated about a horizontal axis. The cylinder incorporates a removable internal shelf. Two alternative shelf positions are
provided: one for ASTM and one for the EN test method. The heavy duty steel cylinder is manufactured from structural steel plate. The filling aperture is provided with a cover. The machine is fitted with a digital revolution counter and steel tray for specimen unloading. It is also supplied with one set of abrasive charges as standard.