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Product Description
This design is based around the 28:1 3mm axle Hi-Lo gearbox offered by NWSL to replace of the noisy tower gears in HO articulated locomotives. This is designed to replace the rear gearbox in the NWSL kit for use in small mallet locomotives.(PFM 2-6-6-2, 2-6-6-0 & others) This modified gearbox lowers the rear gearbox about a 3/8-1/4 inch so the shaft comes out just above the cylinders and lowers the angle to 10 degrees. Added to the gearbox is a torsion bar and motor mount. (NOTES) The 7 large holes in the are for the placement of alignment rods. The idler gear hole is smaller than the actual shaft and needs to be bored out to 3mm. You will also need to drill and tap for the bottom plate.
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