Model Manufacturer:
Smoky Mountain Model Works (click for web site)
Category:
diesel locomotive
Name:
AAR Type A Sideframes
Bearings:
solid/friction
Wheelbase:
8'0"
Intended For:
scale
Manufacturer ID:
64-TK-10, 64-TK-AAR A
Year Introduced:
2016
Sprung:
no
Equalized:
no
Truck Material:
3D-printed plastic
Truck Finish:
unpainted
Wheels:
not included
Model Notes:
When these were offered, there was no S-scale version of the NorthWest Short Line Stanton Drive available, so SMMW custom ordered these. Once NWSL started offering them in their catalog, SMMW switched to only offering the sideframes for sale.
64-TK-10: sideframes, two powered Stanton Drives.
64-TK-10D: sideframes, one powered and one non-powered Stanton Drive.
64-TK-10SF: sideframes only.
Model Manufacturer:
Smoky Mountain Model Works (click for web site)
Category:
diesel locomotive
Name:
Blomberg B Sideframes
Bearings:
solid/friction
Prototype Manufacturer:
Blomberg
Wheelbase:
9'0"
Ext. Reference:
Prototype Notes:
These were used on many EMD locomotives, from F-units through GP35.
Intended For:
scale
Manufacturer ID:
64-TK-11, 64-TK-BB
Year Introduced:
2018
Sprung:
no
Equalized:
no
Truck Material:
3D-printed plastic
Truck Finish:
unpainted
Wheels:
not included
Model Notes:
When these were offered, there was no S-scale version of the NorthWest Short Line Stanton Drive available, so SMMW custom ordered these. Once NWSL started offering them in their catalog, SMMW switched to only offering the sideframes for sale.
64-TK-11: sideframes, two powered Stanton Drives.
64-TK-11D: sideframes, one powered and one non-powered Stanton Drive.
64-TK-11SF: sideframes only.


Model Manufacturer:
Smoky Mountain Model Works (click for web site)
Category:
diesel locomotive
Name:
Blunt Sideframes
Bearings:
solid/friction
Prototype Manufacturer:
American Locomotive Company (Alco)
Wheelbase:
8'0"
Ext. Reference:
Prototype Notes:
These trucks were used on Alco's S1 and S2 switcher locomotives.
Intended For:
scale
Manufacturer ID:
64-TK-12, 64-TK-Blunt
Year Introduced:
2017
Sprung:
no
Equalized:
no
Truck Material:
3D-printed plastic
Truck Finish:
unpainted
Wheels:
not included
Model Notes:
When these were offered, there was no S-scale version of the NorthWest Short Line Stanton Drive available, so SMMW custom ordered these. Once NWSL started offering them in their catalog, SMMW switched to only offering the sideframes for sale.
64-TK-12: sideframes, two powered Stanton Drives.
64-TK-12D: sideframes, one powered and one non-powered Stanton Drive.
64-TK-12SF: sideframes only.
Model Manufacturer:
Smoky Mountain Model Works (click for web site)
Category:
diesel locomotive
Name:
AAR Type B Sideframes
Bearings:
solid/friction
Wheelbase:
9'2"
Intended For:
scale
Manufacturer ID:
64-TK-13, 64-TK-AAR B
Year Introduced:
2016
Sprung:
no
Equalized:
no
Truck Material:
3D-printed plastic
Truck Finish:
unpainted
Wheels:
not included
Model Notes:
When these were offered, there was no S-scale version of the NorthWest Short Line Stanton Drive available, so SMMW custom ordered these. Once NWSL started offering them in their catalog, SMMW switched to only offering the sideframes for sale.
64-TK-12: sideframes, two powered Stanton Drives.
64-TK-12D: sideframes, one powered and one non-powered Stanton Drive.
64-TK-12SF: sideframes only.
Note that the Stanton Drive has a maximum wheelbase of 9'0". The prototype truck is 9'4". The kit's sideframe is designed to 9'2" as a compromise. The 2" difference is imperceptible once painted black and assembled.
Model Manufacturer:
Smoky Mountain Model Works (click for web site)
Category:
diesel locomotive
Name:
Flexicoil Sideframes
Bearings:
roller
Wheelbase:
8'0"
Intended For:
scale
Manufacturer ID:
64-TK-FC
Year Introduced:
2023
Sprung:
no
Equalized:
no
Truck Material:
3D-printed plastic
Truck Finish:
unpainted
Wheels:
not included
Model Notes:
These are designed to be a replacement for the S-Helper Service AAR-based switcher locomotives' sideframes. It uses the same 4 screws that the S-Helper Service model has, so the swap is easy enough to do. These come with Hyatt roller bearing end caps.