Amarillo Gear Company

Right Angle Gear Drives
"A" Series Drives for Cooling Towers

"A" Series Drives - Model A27
Input RPM Gear Ratio Fan RPM Service HP Rating

(2.0 Service Factor)
1750 5.77 303 80
1750 7.71 227 75
1750 8.66 202 60
1750 9.83 178 40
*Ratios shown in blue of each table are normally stocked and drives ordered with these ratios can be shipped within our normal lead time. Check with the factory for availability of all model ratios not in blue.
Amarillo "A" Series
Tapered Vertical Shaft Dimensions
All Amarillo "A" series right angle cooling tower drives may be furnished, as standard, with the tapered output shaft shown in the drawing. On rare occasions the gear drive being replaced may have a different output shaft taper. Amarillo Gear Company will provide a matchng shaft when the following information (or shaft drawing) is provided. This information is required before an order can be accepted.
Overall Height (C)
_______________
 inch
Taper Length (D)
_______________
 inch
Small End Diameter (E1)
_______________
 inch
Large End Diameter (E2)
_____________
Keyway Width X Depth
______X______
Keyway Parallel To
(check one)
Taper
Centerline
Existing Marley Gear Drive
Model No. & Ratio

_____________
(Note: For best possible fit, fill in all of the information on this form. Accurate measurements are needed.)
Amarillo Gear Company * P.O. Box 1789 * 2401 Sundown Lane * Amarillo, Texas 79105
Phone - (806) 622-1273 * Fax - (806) 622-3258
Amarillo Gear Co.