New Allenberry Works DSMC-20 Industrial Gearbox Speed Reducer 40mm out 22mm input 20:1

We believe that these are new unused... but have been sittling around in a shipping container for most of that time (up until 6 months ago)

New Allenberry Works DSMC-20 Industrial Gearbox / Speed Reducer – 40 mm Hollow Bore 20:1
New old stock industrial gearbox or speed reducer manufactured by New Allenberry Works, Calcutta, India.

The unit is marked DSMC-20 and dated 1996. It features a keyed hollow output bore and a smaller solid input shaft. The gearbox appears unused but has cosmetic deterioration from long-term storage, including chipped paint, scratches and surface oxidation.

Specifications
Manufacturer: New Allenberry Works
Country of origin: India
Type: DSMC-20
Ratio: 20:1
Reference number: JJ38/5
Year manufactured: 1996
Hollow output bore/internal diameter: approximately 40 mm
Solid input shaft diameter: approximately 22 mm
Approximate dimensions: 200 × 220 × 270 mm high
Approximate weight: 21 kg
Configuration: Industrial shaft-mounted gearbox / speed reducer
Condition: New old stock
Operational status: Not recently tested

The rating and speed fields on the identification plate are blank.