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Dorris Base Type Gear Drives
Features and Benefits:

Broad Ratios (1.5 to 250:1) - Sizes 900 to 10000
Torque Ratings to 240,000 in-lbs output
Multiple shaft arrangements and mounting positions
Unique sizes under 5800
Tapered roller bearings throughout
Standard, Modified and Custom drives
Designed for minimum bearing and gear life (L10) of 10,000 hours under rated load.
Parallel shaft gear drives support gears between bearings. There is no overhung pinion as found in concentric gear drives.
There are many ratios available for each model; not all are mentioned in the catalog or even on this site. No engineering charges if the ratio has been previously designed.
Customizing of input and output shafts for customer needs is common and cost effective. No engineering charges if the shaft has been previously designed.
Ductile Cast Iron and Fabricated Steel Housings are available and will be quoted upon customer request. Ductile Cast Iron standard on 9900 and 10000 Models. Fabricated Steel Housings standard on 12000 Model.
Top Motor Mount provides means for V-Belt input. This minimizes the floor space required and provides a means to adjust the ratio for an exact output speed.
Bedplates provide a common mounting for motor and gear drive. Optional Adjustable Bedplate Base allows movement of output to tension chain drive or alignment of output shaft for a coupling.
Options available include Oil Sump Heaters, Non-Contact Labyrinth Oil Seals, Ceiling and Wall Mounting. Complete custom parallel shaft gear drives using stock components reduces cost and lead time.

900 Series VIEW FULL RANGE	1200 Series VIEW FULL RANGE	1800 Series VIEW FULL RANGE

2800 Series VIEW FULL RANGE	3800 Series VIEW FULL RANGE	5800 Series VIEW FULL RANGE

8300 Series VIEW FULL RANGE	8500 Series VIEW FULL RANGE	9100 Series VIEW FULL RANGE

9300 Series VIEW FULL RANGE	9500 Series VIEW FULL RANGE	9900 Series VIEW FULL RANGE

10000 Series

VIEW FULL RANGE