The 805-A was built in 1950 as part of an order by WP for 6 new passenger locomotives: 4 cab equipped A units numbered 804-A, 804-C, 805-A and 805-C, and 2 B units numbered 804-B and 805-B.
The 805-A was built in 1950 as part of an order by WP for six new passenger locomotives: four A units with cabs (numbered 804-A, 804-C, 805-A, and 805-C) and two B units (numbered 804-B and 805-B).