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Photo of kit SG4


Part No.

Product Description
Price ex VAT Price inc VAT Add to Cart
SG4 Small Gearbox/Motor (RG4 Replacement) £72.50 £87.00

This all metal gearbox and motor combination is intended for 4mm scale (OO/HO/EM/P4) and very small O Gauge locomotives using a 1/8" diameter axle. The gear ratio is 33:1 and the motor fitted is the Mashima 1628 flat can. Other motor options will be available later. The gears are all metal with a combinations of crossed helical and spur gears, which results in very high efficiency.



The gearbox/motor has been designed to be a direct replacement for the Portescap ® RG4 which is no longer being made.