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RainTEC Center Pivot Components

Home > Products > Drive Trains > Wheel Gearboxes >
Omni Wheel Gearboxes, Big Chamber™

Omni Big Chamber™ Wheel Gearbox

Omni Wheel Gearboxes
NI Part # Description
610505 Gearbox, Omni, Big Chamber™, Non-Towable, Dual Input, 50:1, 2.25" Output
610508 Gearbox, Omni, Heavy-Duty, Non-Towable, Dual Input, 50:1, 2.25" Output (equal to Durst A110)

Specifications for Big Chamber™ -- NI #610505
Non-Towable Wheel Gearbox
Category Description
Torque Capacity 70,000 lb.-in. (7,909 Nm)
Ratio 50:1 (others available)
Shaft Size 2.25" (57 mm)
Weight 110 lbs. (49.0 kg)
Oil Capacity 126 fl. oz. (3.7 L)
Expansion Chamber Big Chamber
Additional Features
• DPS-100 Gearbox Guard mounts easily.
• 39 cubic inch expansion area.
• Oil level plug eliminates overfilling.
• Replaces Durst and Zimmatic drives.


Specifications for Heavy-Duty -NI #610508
Non-Towable Wheel Gearbox, Equal to Durst A110
Category Description
Torque Capacity 90,000 lb.-in. (10,170 Nm)
Ratio 50:1 (others available)
Shaft Size 2.5" (65 mm)
Weight 164 lbs. (74.4 kg)
Oil Capacity 215 fl. oz. (6.3 L)
Expansion Chamber Bellows Type
Additional Features
• High capacity thrust bearings on worm.
• Highest torque wheel drive available.
• Ideal for hose drag linear carts.
• 6.1" (156 mm) gear center distance.





Omni Wheel Gearboxes
Outstanding Features and Benefits.
Omni Standard Wheel Gearboxes
Omni Valley Type Wheel Gearboxes
Omni Towable Wheel Gearboxes
Gearbox Lube
Drive Couplers