The paint scheme on the Pennsy's passenger diesels changed over time. Bob Johnson, Chairman of the PRRT&HS Archive Committee, provided the following summary from documents found within the archives of the PRRT&HS:

Before 8-11-1952 - Dark Green with Gold Leaf lettering and striping. Five stripes.

8-11-1952 to 6-18-1953 - Tuscan Red with Buff lettering and striping. Five stripes. Keystone on front contained unit number. Unit number at front was 8" high. Unit number at rear was 1 3/4" high. Striping ran across window glass.

6-18-1953 to 9-2-1953 - Tuscan Red with Buff lettering and striping. Five stripes. Keystone on front contained PRR monogram. Unit number at front was 9" high. Unit number at rear was 8" high. Striping ran across window glass.

9-2-1953 to 11-16-1955 - Tuscan Red with Buff lettering and striping. Five stripes. Keystone on front contained PRR monogram. Unit number at front was 9" high. Unit number at rear was 8" high. No striping across window glass.

After 11-16-1955 - Tuscan Red with Buff lettering and striping. One broad stripe with shadow keystone.