S RSD-4/5 Diesel Locomotives

Model Manufacturer Info

Manufacturer:

Alco Models

Manufacturer ID:

SD-121

Factory:

Samhongsa, Korea

Prototype Info

Category:

RSD-4/5

Year/Era:

1951

Manufacturer:

American Locomotive Company (Alco)

Road Name:

Atchison Topeka & Santa Fe (ATSF)

Model Info

Gauge:

S

Introduced:

1983

Qty Made:

100

Product Type:

Brass

Finish:

unpainted

Supplemental Part:

Notes:

These models' frames started developing problems in later years (made out of zamac with lead, which deteriorates over time). The trucks on these models are made out of cast white metal that doesn't age well, either. The advertisement shows that only 40 were planned on being produced. This version is also applicable to the Southern Pacific prototype.

Scan provided by Ken Zieska.

Model Manufacturer Info

Manufacturer:

Alco Models

Manufacturer ID:

SD-121P

Factory:

Samhongsa, Korea

Prototype Info

Category:

RSD-4/5

Year/Era:

1951

Manufacturer:

American Locomotive Company (Alco)

Road Name:

Pennsylvania Railroad (PRR)

Model Info

Gauge:

S

Introduced:

1983

Qty Made:

100

Product Type:

Brass

Finish:

unpainted

Supplemental Part:

Notes:

These models' frames started developing problems in later years (made out of zamac with lead, which deteriorates over time). The trucks on these models are made out of cast white metal that doesn't age well, either. The advertisement shows that only 20 were planned on being produced.

The prototype PRR RSD-5 did not have the PRR-specific Trainphone antenna.

Scan provided by Ken Zieska.

Model Manufacturer Info

Manufacturer:

Alco Models

Manufacturer ID:

SD-121S

Factory:

Samhongsa, Korea

Prototype Info

Category:

RSD-4/5

Year/Era:

1951

Manufacturer:

American Locomotive Company (Alco)

Model Info

Gauge:

S

Introduced:

1983

Qty Made:

100

Product Type:

Brass

Finish:

unpainted

Supplemental Part:

Notes:

These models' frames started developing problems in later years (made out of zamac with lead, which deteriorates over time). The trucks on these models are made out of cast white metal that doesn't age well, either. The advertisement shows that only 20 were planned on being produced.

Bob painted his for the Milwaukee Road.

Scan provided by Ken Zieska.

Model Manufacturer Info

Manufacturer:

Steam Depot

Factory:

Railmaster Exports

Prototype Info

Category:

RSD-4/5

Year/Era:

1951

Manufacturer:

American Locomotive Company (Alco)

Dimensions:

56'6"

Ext. Reference:

Ext. Reference:

Ext. Reference:

Ext. Reference:

Model Info

Gauge:

S

Product Type:

Metal Kit

Finish:

unpainted

Power:

DC

Wheels:

scale

Notes:

Steam Depot was a U.S. importer for Railmaster Exports for a number of years. The RSD-5 had a bigger generator than the RSD-4, but was the same on the outside.

The kit's parts as sold by Steam Depot, which included their "curve" drive system developed by John Chappell, owner of Steam Depot.

A closer look at the assembled chassis.

A close-up of one of the trucks.

A side profile of the assembled chassis.