Seattle Metro Transit at start in Jan 1973 inherited:
From Seattle Transit System:
100-119,121-136,139 1947 Twin 41-S
140-143 1948 Twin 41-S
144 1947 Twin 41-S
145-189,191-197,199 1948 Twin 41-S
200-212,214-299 1955 TDH5105
300-304 1954 TDH5105
500-599 1963 F2D6V401-1
700-769 1968 T8H5305
total 369
From Metropolitan Transit:
310-320 1953 PD4104 ex MT 2343-2348,2353-2354,2356-2358 (319-320 Gray Line)
321-327 1954 PD4104 ex MT 2459,2467-2468,2486-2487,2498-2499
328-332 1958 PD4104 ex MT 2891-2895
333-334 1959 PD4104 ex MT 2943-2944
340-341 1966 PD4107 ex MT 1628-1629
350-357 194