4600 Phase III Ballast Regulator Kit scale:HO Scale 1:87 this represents a Mark II

this represents a Mark II tamper that has been modified to have the laser towers outside and forward of the cab

two of these machines are drawbarred together and used in tandem

the rear platform railing assembly

Buda Engine company released it's Model 619 Motor Car

4600 Phase III Ballast Regulator Kit scale:HO Scale 1:87 this represents a Mark IIRepresenting the "Phase III" version introduced approximately 2022. Key features include the new cab shape, revised air conditioner, and detailed frame. Kit includes all items to build one ballast regulator. All parts resin 3D printed. Includes operator seat, see through steps, separate wheels, and positionable front blade and rear broom assembly.