Amarillo Gear Company

Right Angle Gear Drives
"A" Series Drives for Cooling Towers
"A" Series Drives - Model A34 - A36 - A38
Model No. Input RPM Gear Ratio Fan RPM Service Factor Horsepower Rating
A34 1750 8.85 198 2.0 180
1750 10.28 170 2.0 180
1750 11.18 157 2.0 180
1750 13.00 135 2.0 180
A36 1750 9.64 182 2.0 250
1750 10.83 162 2.0 230
1750 11.55 152 2.0 220
1750 12.98 135 2.0 220
1750 14.84 118 2.0 200
A38 1750 11.44 153 3.0 250
*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.
Model "C" "D" "E" "F" Keyway "I"
A34 34.13 8.75 4.160 1 1/4 x 5/8 x 6 2.3750
A36 33.94 7.88 6.227 1 1/2 x 3/4 x 7 2.6250
A38 33.94 7.88 6.227 1 1/2 x 3/4 x 7 2.6250
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.