Tractor Dual Wheels & Triple Wheels Unverferth Wheel Products

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As the advantages of agricultural dual wheels became more evident, farmers sought a more permanent mounting soultion for year-round use. Unverferth direct-axle duals and triple wheel packages fill this need using a bolt-on spacer or hub and factory-style wheels for maximum versatility.  These agricultural wheel systems provide greater pulling power and increased flotation for tractors, combines, self-propelled sprayers and other equipment.

The T-Rail® system is more than just a quick conversion to the added power and efficiency of dual wheels. It also gives you the strength, durability and precise alignment of semi-permanent duals, even on the biggest equipment. The key is the clamp and rail assemblies which hold the dual in place for optimum performance.

Regardless of your crop tillage practices, look to Unverferth for the extensions you need to center your wheels down the middle of the row. From dual and triple axle spacers, to MFWD hub extensions, your Unverferth dealer can put you and your wheels on track.

 

    Axle-Mount

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    Axle-Mount MFWD

    • All extensions are precision engineered for greater life and an exacting fit
    • Variety of extension widths to match popular row spacings
    • Waffle-style match the inner wheels and provide multiple row settings with one wheel
    • Standard M.F.W.D. dual packages are available in 24", 30", 34" and 38" diameters and a variety of widths
    • Special made M.F.W.D. dual packages can accommodate other tire sizes or row spacing requirements
    • All M.F.W.D. direct-axle dual packages include all hardware and are powder-coat finished to match your tractor
    • For easy-on, easy-off use, be sure to research Unverferth T-Rail MFWD T-Rail duals

    Axle-Mount Rear

    • 10-bolt-ductile iron Wedg-Lok hubs provide added strength and quick wheel centering with easy-to see tapered guidepins
    • Unverferth Wedg-Lok® and U-bolt hubs are precision machined from high-tensile, ductile iron and attach directly to the tractor's axle for a factory-installed look
    • Wedg-Lok hubs feature two inserts, one of which matches the axle keyway, that when tightened grip the axle for a slip-free fit
    • 1000E series Wedg-Lok hubs feature a maximum offset and can be used where there is at least 7" of exposed axle
    • 2000E series Wedg-Lok hubs feature a 0" offset and can be used where at least 7 " of exposed axle is available
    • U-bolt hubs feature a precision matched keyway and clamp onto the tractor's axle for a firm grip
    • High-tensile strength bolts provide superior holding power
    • A large variety of 10-hole wheels are available from 38" diameter up to 54" diameter in a variety of popular offsets to meet many cropping practices
    • For triple wheels, simply add an appropriately sized extension and wheel and you're ready to put more of your tractor's horsepower to work
    • Wheels are powder coated for a better-than-original equipment finish and life
    • Custom-Built dual and triple wheels are also available to meet a wider range of row widths and tire sizes

    T-Rail Open Center

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    T-Rail MFWD

    • T-Rail System with snap-on handles provides easy on and easy off attachment
    • Rail is continuously welded to the the dual wheel rim, so it's essentially a part of the rim itself.
    • T-shaped clamps are manufactured from ductile iron for long life and durability
    • The outer dual is attached to the inner wheel using hooks that attached to the in place of the tractor's wheel nuts/bolts
    • The band tightly grips the inner wheel for a snug, no-slip fit
    • Dual sets are available for wheel diameters of 28", 30", 34"and 38"
    • Standard T-Rail duals are powder coated in a neutral silver-mist color, or can be special ordered to match your tractor's inner wheels
    • Direct-Axle duals for MFWD tractors are also available

    T-Rail Rear

    • T-Rail system provides easy on and easy off attachment
    • Rail is continuously welded to the the dual wheel rim, so it's essentially a part of the rim itself.
    • Choose from easy-on, easy-off snap-on clamp style, or more semi-permanent economy style that bolt on
    • T-shaped clamps are manufactured from ductile iron for long life and durability
    • The outer dual is attached to the inner wheel using hooks attached to eyes that replace the tractor's wheel nuts/bolts
    • Easily add duals to your power-adjust wheels with power-shift eyes
    • The band tightly grips the inner wheel for a non-slip fit
    • Bands are available in a variety of widths to spread your wheels across the rows
    • Dual sets are available for wheel diameters of 20" all the way up to 54" diameter
    • Standard T-Rail duals are powder coated in a neutral silver-mist color, or can be special ordered to match your tractor's inner wheels
    • Direct-Axle duals for tractors are also available

    Extensions

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    • Dual and triple spool-type extensions are constructed of cast ductile iron for greater durablility and longevity
    • Standard bolt pattern, 9- and 10-hole extensions are available for dual and triple wheel applications in 5", 8", 10", 13", 15", 18", 21" and 24" lengths
    • Go wider and turn tighter with MFWD front hub extensions that provide single wheel spacing of your tractor to straddle 4 - 30" rows
    • Custom-built extensions are available to meet most every other wheel spacing need. They can be manufactured as small as 8-hole and 2" wide, up to 12-hole and 29" wide to fit tractors, harvesting equipment and other implements with larger wheels
    • Powder-coat finish in black or yellow enhances corrosion resistance and keeps them looking looking their best
    • A wide variety of other wheel extensions are also available to space out M.F.W.D. tractor fronts, self-propelled sprayers and a variety of popular tractor makes and models

    Harvest Equipment

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    • Deep-formed dual wheels offer an original-equipment look and match 30" row spacings
    • Expanded-band style duals can provide additional row-spacing flexibility depending on your combine model
    • For cotton pickers and strippers, extensions in lengths from 10" to 27" are available to mate 10-hole Unverferth duals up to the 10- or 20- bolt axle
    • Custom-built wheels are available to match the rear wheels to the spacings of the front and to provide added flotation and stability
    • T-Rail dual wheels can also be added to front or rear wheels for easy-on, easy-off use

    Literature

    UM Wheels-Ag Wheels

    UM Wheels-Ag Wheels