HO extended cab BBBAA 1-piece

single piece

Roof
   A single centered hatch
   B single centered hatch with tender top access
   H dual hatches closed
   I dual hatches closed with tender top access
   N dual hatches open
   O dual hatches open with tender top access

Front
   A for boiler tapered  13.35mm rad, 10.21mm center 23.56mm top
   B for boiler tapered  13.35mm rad, 10.21mm center 23.56mm top BLI 2-10-2 features
   N for boiler straight 13.35mm rad, 10.21mm center 23.56mm top
   O for boiler straight 11.11mm rad, 12.51mm center 23.62mm top

Rear
   A standard
   B BLI 2-10-2 features

Right Side
   A with access door
   B without access door

Left Side
   A with access door
   B without access door

HO ATSF extended cab
with access to top of tender
for tapered firebox
with notches for snapping onto Braodway Limited ATSF 2-10-2 and 2-10-4 3800 class locomotives
with holes for BLI details.