Amarillo Gear Company - A Series Drives for Cooling Towers

Amarillo Gear Company

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

"A" Series Drives - Model A20

Model A20
Input RPM Gear Ratio Fan RPM Service HP Rating
(2.0 Service Factor)

1750 2.71 646 35

1750 3.27 535 35

1750 3.78 463 30

1750 4.11 426 25

1750 4.89 358 20

*Ratios shown in blue in 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.