AC 44 on truck 235 in 1959 and 1960, CR 8.25:1
AC C-42-1 on truck 261 in 1959 and 1960, CR 8.0:1

AC 45 on truck 235 in 1961 and 1962, CR 8.25:1
AC C-42-1 on truck 261 in 1961 and 1962, CR 8.0:1