Superior Gearbox Company
100 Series Gear Drive
Applications include turf equipment, mowers, sprayers, grain augers and separators, road and highway equipment.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in three ratios: 1:1, 1.1:1 and 1.43:1
• Tapered roller bearings provide [...]

Superior Gearbox Company
200 Series Gear Drive
Applications include mowers, sprayers, grain augers, elevators, grain dryers and separators, small rototillers, road and highway equipment.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in three ratios: 1:1, 1.5:1 and 2:1
• Tapered [...]

Superior Gearbox Company
400 Series Gear Drive
Applications include grain carts, mowers, combines, grain augers, potato harvesters, agricultural sprayers, irrigation pumps and conveyers.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in four ratios: 1:1, 1.35:1, 1.5:1 and 2:1
• Spiral [...]

Superior Gearbox Company
500 Series Gear Drive
Applications include grain carts, mowers, combines, grain augers, potato harvesters, agricultural sprayers, irrigation pumps and conveyers.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in four ratios: 1:1, 1.35:1, 1.5:1 and 2:1
• Spiral [...]

Superior Gearbox Company
600 Series Gear Drive
Applications include manure and water pumps, beet defoliators, grain carts, potato diggers, flail choppers, silo unloaders, conveyors, road and highway equipment.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in six ratios: 1:1, [...]

Superior Gearbox Company
700 Iron Series Gear Drive
Applications include large rototillers, silage compactors, heavy-duty industrial equipment, material handling.
Features:
• One-piece iron housing for high capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in a 2.92:1 ratio
• Tapered roller bearings provide increased load capacity and bearing life
• 1.75″ input shaft and [...]

Superior Gearbox Company
700 Series Gear Drive
Applications include large rototillers, silage compactors, heavy-duty industrial equipment, material handling.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in a 2.92:1 ratio
• Tapered roller bearings provide increased load capacity and bearing life
• [...]

Superior Gearbox Company
800 Series Gear Drive
Applications include large rototillers, silage compactors, heavy-duty industrial equipment, material handling.
Features:
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in five ratios: 1:1, 1.18:1, 1.35:1, 1.5:1 and 1.86:1 • Tapered roller bearings provide [...]

Superior Gearbox Company
800 Iron Series Gear Drive
Applications include large rototillers, silage compactors, heavy-duty industrial equipment, material handling.
Features:
• One-piece iron housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in five ratios: 1:1, 1.18:1, 1.35:1, 1.5:1 and 1.86:1 • Tapered roller bearings [...]

Superior Gearbox Company
• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in a 1.61:1 ratio
• Tapered roller bearings provide increased load capacity and bearing life
• 1.375″ shaft made of high strength steel is standard
• Serviced with 80W90 gear [...]