There are no exhaust shields
The tank has no welded mounts on the rear wall to hold exhaust shields. The exhaust stacks have non-return valves for submersion, but no raised covers on top.
There are mounts for exhaust shields
There are small welded mounts on the rear wall where exhaust shields could be attached, but the tank has not been issued with the shields or the corresponding exhaust stacks with raised covers.
The tank has exhaust shields
The tank has exhaust shields of the standard design. They bolt to the welded mounts on the rear wall.
The exhaust stacks have raised circular covers, mounted on 5 poles. They retain the non-return flapper valves.