Below Rail Infrastructure, Products & Technology CAT purpose-built M323F RR now in Australia Caterpillar’s purpose-built M323F road-rail (RR) excavators are now at work in Australia, providing access to the first true AS7502 Type 1: Self-powered rail wheeled excavator designedRead More Staff WriterOctober 15, 2020, 7:49 amOctober 15, 2020