AHM/Rivarossi steam upper gearbox upgrade kit (speed reduction 32%)
$23.95

AHM/Rivarossi steam upper gearbox upgrade kit (speed reduction 32%)

Directly replaces the upper gearing in IHC/AHM/Rivarossi 2-8-4, 2-10-2, 2-8-8-2, 4-8-8-4, 4-8-8-2, 4-6-6-4. NOTE: Two kits required for articulateds. Reduces engine speed by 32%.

Part Number:  317-6