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MFA 919D1481 Gearbox and Motor 148:1 - 4.5 to 15V


MPN : 919D1481


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MFA 919D1481 Gearbox and Motor 148:1 - 4.5 to 15V
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Key Features

Data Sheets

Single 148:1 ratio metal gearbox suitable for light industrial, educational, modelling and R&D applications. It is constructed from steel and brass, housed in a protective plastic cover which prevents ingress of dust and dirt and protects the user against accidental contact with gears. The motors is fitted with a bracket with four fixing holes making it easy to mount on a flat surface.

For speed regulation see panel mounted speed regulator (order code: 37-1245) (Not for use below 6V operation).

  • Designed for heavy duty industrial and model applications
  • 4.5 to 15V voltage rating
  • Robust unit boasts a powerful high quality motor
  • Sintered steel bearings
  • Precious metal motor brushes
  • No maintenance required
  • Gears equally efficient in either direction
  • MFA/Como 919D series

Technical Specification
Technical Specification
Motor data
TypeVoltageMotor output (W)Rated torque (g.cm)Mftrs. part no.Order code
6:1 ratio4.5 to 15V21.23000919D6137-1092
11:1 ratio4.5 to 15V21.23000919D11137-1093
50:1 ratio4.5 to 15V21.23000919D50137-1094
100:1 ratio4.5 to 15V21.26000919D100137-1095
148:1 ratio4.5 to 15V21.26000919D148137-1238
500:1 ratio4.5 to 15V21.26000919D500137-1096
810:1 ratio4.5 to 15V21.26000919D810137-1240
3000:1 ratio4.5 to 15V21.26000919D3000137-1097
Reduction table (rpm)
TypeSupply Voltage (4.5V)Supply Voltage (6V)Supply Voltage (9V)Supply Voltage (12V)Supply Voltage (15V)
6:1 ratio9901316197526333295
11:1 ratio540718107714361800
50:1 ratio120158237316395
100:1 ratio5979119158198
148:1 ratio405380106132
500:1 ratio9.751421.53037.5
810:1 ratio810152025
3000:1 ratio1.52356
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Question by jean | Product code: 37-1092
04 January 2016

QHi there, Can you tell me what is the diameter of the shaft?
AHi Jean, thank you for your question. This has a 6mm shaft diameter with a 12mm length.

Question by andrew brown | Product code: 37-1096
12 August 2013

Qcan you please tell me the height to the output shaft on the 6-1 reduction gear box with he motor on the mounting plate.
AHi Andrew. Thank you for your question. The approximate distance from the mounting base to the centre of the output shaft is 15mm.

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