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UMC is the industry leader in gearbox technology. Over our 40 year history we have introduced many industry changing gearboxes such as the patented TNT gearbox, the 740, the 760, the 775 and more. We continue to define and redefine industry standards for gearbox performance, quality, features and technology. Our gearboxes are purpose built to do the job. Never over-engineered.

UMC stands behind its products and is committed to manufacturing the best products for a global market.

740-U 50:1 Ratio

Designed for longer spans, larger wheels, and heavier towers.
 

Features and Benefits

• 2.25 inch output shaft
• 50:1 gear ratio
• Cartridge input and output seals
• Larger input bearings
• Input shaft guard
• External seal protectors for input and output seals
• Top oil fill plug
• Universal mounting pattern
• Full cycle expansion chamber with stainless steel cover
• Filled with extreme pressure worm gear oil
• Steel output shaft and input shaft
• Tapered roller bearings
• Includes carriage bolts and nuts
• Dual ended input shaft

740-UV 52:1 Ratio
Designed for longer spans, larger wheels and heavier towers where an extended output shaft is required.
 This gearbox has all the same capabilities, features and benefits that the standard 740 has with a few tweaks. The output shaft is extended, the gear ratio is 52:1 and the input shaft is made of ductile iron with a 25° pressure angle allowing this gearbox to be used on center CHINAMFG and lateral move/ linear systems that come standard with these specifications.

Features and Benefits

• 2.25 inch extended output shaft
• 52:1 gear ratio with 25° pressure angle
• Cartridge input and output seals
• Larger input bearings
• Input shaft guard
• External seal protectors for input and output seals
• Top oil fill plug
• Universal mounting pattern
• Full cycle expansion chamber with stainless steel cover
• Filled with extreme pressure worm gear oil
• Steel output shaft and ductile iron input shaft
• Tapered roller bearings
• Includes carriage bolts and nuts
• Dual ended input shaft

760-UV Gearbox

Designed for corner systems and lateral move carts where an extended output shaft is required

Growers typically use UMC’s 760-UV gearbox for the most extreme applications where an extended output shaft is required. The gearbox is designed for higher annual hours of operation while handling the heavy loads experienced on corner systems and lateral move carts as well as the most extreme field conditions where wheel rutting is prominent, soil is heavy, and tower weights are higher.

The UMC 760-UV final drive gearbox is our largest and most durable gearbox with an extended output shaft. It features a larger-diameter bull gear than the standard 740 series to handle 20% higher torque. It also features a 2.5″ output shaft to accommodate more overhung load. It is designed for use on center pivots, corners, lateral move/ linear irrigation systems and carts where a 52:1 gear ratio and extended output shaft are standard specifications.

Features and Benefits

• 2.5″ output shaft
• 52:1 gear ratio with a 25° pressure angle
• Unique dual input and output seal design
• 20% more torque capacity than the standard 740
• Bronze gear optional
• Larger input bearings
• Input shaft guard
• External seal protectors for input and output seals
• 11-Bolt mounting pattern
• Full cycle expansion chamber with aluminum cover
• Filled with extreme pressure worm gear oil
• Steel output shaft and ductile iron input shaft
• Tapered roller bearings
• Includes carriage bolts and nuts
• Dual ended input shaft

TNT-2 Gearbox

Designed for applications where the irrigation system may need to be towed

This gearbox is the perfect solution for a towable irrigation system. Growers typically prefer this gearbox over a gearbox with a towable hub. Simply disengage the worm and tow your system to its working location, then re-engage the worm and you are ready to run. The CX coupler is the perfect compliment for the TNT-2 gearbox due to the ability to control coupler disengagement at the gearbox.

The UMC patented TNT-2 final drive gearbox is designed specifically for applications where a center CHINAMFG or lateral move/ linear irrigation system needs to be towed. The gearbox provides the ability to disengage the worm gear and allows users to move systems from 1 area to another without requiring a Towable Hub add on.

Features and Benefits

• 2.25″ output shaft
• 50:1 gear ratio
• Dual input seals with triple lip output seals
• Bronze gear optional
• Input shaft guard
• External seal protectors for input and output seals
• Top oil fill plug
• 11-Bolt mounting pattern
• Full cycle expansion chamber with stainless steel cover
• Filled with extreme pressure worm gear oil
• Steel output shaft and input shaft
• Tapered roller bearings
• Includes carriage bolts and nuts
• Dual ended input shaft

760-UV Bronze Gearbox

Designed for the most extreme conditions where an extended output shaft is required.

Growers typically use The UMC 760-UV bronze gearbox for the most extreme applications where an extended output shaft is required. The gearbox is designed for higher annual hours of operation while handling the heavy loads experienced on corner systems and lateral move carts as well as the most extreme field conditions where wheel rutting is prominent, soil is heavy, and tower weights are higher.

The UMC 760-UV Bronze final drive gearbox is our largest and most durable gearbox with an extended output shaft designed for the most extreme growing conditions. It features a high strength aluminum bronze bull gear and a heat treated steel worm gear giving it a much higher load capacity than the standard 760-UV. Additionally, this gear combination greatly reduces gear wear, extending the useful life of the gearbox. It also features a 2.5″ output shaft to accommodate more overhung load. It is designed for use on center pivots, corners, lateral move/ linear irrigation systems and carts where a 52:1 gear ratio and extended output shaft are standard specifications.

Features and Benefits

• 2.5″ output shaft
• 52:1 gear ratio with a 25° pressure angle
• Unique dual input and output seal design
• Bronze Gear
• Heat Treated Steel Worm Gear
• Larger input bearings
• Input shaft guard
• External seal protectors for input and output seals
• 11-Bolt mounting pattern
• Full cycle expansion chamber with aluminum cover
• Filled with extreme pressure worm gear oil
• Steel output shaft
• Tapered roller bearings
• Includes carriage bolts and nuts
• Dual ended input shaft
• Also Available Assembled in the USA

CHINAMFG is the industry leader in gearbox technology. Over 37 year history they have introduced many industry changing gearboxes such as the patented TNT gearbox, the 740, the 760, the 775 and more. CHINAMFG continue to define and redefine industry standards for gearbox performance, quality, features and technology. CHINAMFG gearboxes are purpose built to do the job. Never over-engineered.UMC stands behind its products and is committed to manufacturing the best products for a global market.

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