For sale is a NEW DAYTON GRAINGER 4Z015 1HP 60:1 56C face GEARBOX SPEED REDUCER GEAR REDUCER. This reducer accommodates motors with 56C faces (5/8 shafts for those who do not remember NEMA motor sizes), up to 1 HP, 60:1 reduction. So, putting a 3450 RPM motor will give you 57 RPM, and putting a 1750 RPM motor will give you 28 RPM.
This speed reducer has plenty of handling marks, shelf wear, etc, however, I did not find nut/washer scratches near the mounting holes for the motor. Made in USA by conscientious and hard working Americans, like yourself.
See http://www.grainger.com/Grainger/DAYTON-CFace-Right-Angle-Speed-Reducer-4Z015. You may have to click the link twice due to stupid Grainger's website not working when you visit it the first time. Cost is $1,087 at Grainger.
C-Face Right Angle Speed Reducer, Nominal Output Speed 29 RPM, Input RPM 1725-1750, NEMA Frame 56C, Overhung Load 1500 Pounds, Nominal Ratio 60:1, Output Torque @ 1/2 HP 619 Inch Pounds, Output Torque @ 3/4 HP 995 Inch Pounds, Output Torque @ 1 HP 1371 Inch Pounds, Worm Center Distance 3.25 Inches, Double Output Shaft Assembly, Mounting Any Position Except Input Motor Shaft Up Grainger Item #4Z015 Price (ea.)$1,087.00 BrandDAYTON Mfr. Model #4Z015 Ship Qty. 1 Sell Qty. (Will-Call) 1 Ship Weight (lbs.)75.05 AvailabilityReady to Ship Catalog Page No.117 Country of Origin (Country of Origin is subject to change.)USA