Seed Pro® Bulk Pro Box Seed Tender Unverferth Seed Tenders

The Unverferth Seed Pro® bulk box carrier seed tender not only delivers seed directly to your planter or drill, you can position it 90 degrees to the unit for conveying between two other sources. Models 410XL and 410 easily carry four 50 seed unit boxes while the model 210 carries two boxes. 

For optimum transport safety, standard equipment heavy-duty double-axle undercarriage features lighting, reflective striping, transport chains and brakes.


    Faster & Gentler!

    • The new, patented 5-ply rubber conveyor belt design features offset rows of cupped cleats to minimize seed damage while providing a greater carrying capacity:
      • Filling a larger, central fill planter or drill?  The 8” conveyor features an unloading speed of up to 35 bushels per minute
      • Filling individual planter or drill boxes?  Do it with precise control with the 6” conveyor featuring unloading speeds up to 16 bushels per minute
    • Smooth-Start conveyor engagement gently brings the conveyor belt up to maximum speed to increase belt life
    • Electronic speed control module allows the operator to adjust the speed of the conveyor belt independently from the engine
    • All models are standard with two downspouts:
      • 4' flex spout ideal for filling central fill planters or drills
      • 2-Stage downspout ideal for filling individual planter boxes
    • Tool-free removable belt access cover allows you to easily determine belt tension
    • The redesigned over-center hopper lock with larger rubber hopper intake increases seed flow
    • Standard canvas hopper cover with elastic band holds tightly around the hopper opening to safeguard contents

    Patented Design

    • The conveyor features a patented design which allows the operator to swing it out 90 degrees parallel to the tender to transfer material between two wagons, semis or other containers
    • Conveyor spring-lift assist for added ease when positioning the conveyor into parallel position
    • Model 410XL features a 21' long conveyor measured from top to bottom bearing and a max unloading height of 13’6”
    • Models 410 and 210 feature an 18' long conveyor measured from top to bottom bearing and a max unloading height of 12’
    • Cleaning out seed between varieties is a breeze using the tool-free removable hinged door at the bottom of the conveyor
    • Standard 2-function wired remote controls conveyor on/off and raise/lower
    • Hydraulically operated vertical height adjustment allows you to quickly position the conveyor where you need it:
      • Model 410XL = 52 inches of adjustment
      • Model 410 = 41 inches of adjustment
      • Model 210 = 50 inches of adjustment
    • The conveyor can be positioned in the rear or swung 180 degrees to the front for road transport
    • Conveyor arm locking mechanism allows you to quickly and conveniently lock or unlock the conveyor from the pivot arm
    • Stainless-steel conveyor rollers and turntable plates provide maximum durability and 3/4” locking increments stops the end of the conveyor every 10” for added versatility

    Seed Protection

    • Protecting your investment is important to you and the 10-Series Seed Pro bulk box tenders are designed to handle seed with the greatest care:
      • The conveyor inlet features patented side seals and a brush-seal-brush design to prevent seed from back feeding into the hopper and minimizing seed damage
      • The new extended-length rounded conveyor hood is rubber lined for enhanced seed flow and protection
      • A top-mounted, 6 cubic inch hydraulic motor pulls the belt forward, keeping it tight for the most efficient and gentlest seed movement


    Pro Box Handling

    • Models 410XL and 410 can carry up to four 50 lb. seed pro boxes (200 seed units)
    • Model 210 can carry up to two 50 lb. seed pro boxes (100 seed units)
    • Dual compartment unloading chutes for handling multiple seed varieties
    • Protective lids cover the unloading chutes when not in use to keep out moisture and debris
    • Easy-to-use heavy-duty steel hinge latches with locks securely fasten pro boxes to the platform
    • Oversized unloading doors maximize seed flow into the intake conveyor
      • 5" x 6" wheel-operated doors and a regulating baffle direct seed into the conveyor intake for increased unloading efficiency
    • Two viewing windows in the unloading chute allow you to easily monitor seed flow during unloading
    • Large engine control box is located at the front left of hte seed tender for operator convenience
    • Commercial-duty gas engine with electric start and conveniently located controls
    • Two-part urethane enamel finish on the platform provides a long-lasting finish



    Durability is Standard

    • 10-Series Seed Pro bulk box tenders are manufactured with the highest quality components for unmatched durability
    • Transportation from field to field goes quickly and smoothly with the rugged undercarriage design
    • Models 410XL & 410 feature a tandem design with 7,000 lb. torsion axles
      • 235/85x16 highway rated tires
    • Model 210 features a tandem design with 4,000 lb. torsion axles
      • 225/75x15 highway rated tires
    • All Seed Pro models feature electric brakes on all axles and appropriate lighting for safer highway travel
    • Choose from a gooseneck or bumper pull hitch with 2-5/16” ball to meet your operation’s needs
    • Undercarriage components are powder-coated in a beige color for a rugged and long-lasting finish
    • All models can be ordered less undercarriage for installing on your own trailer


    T&G Applicator

    • The hydraulically driven T&G Applicator’s patent-pending design is synchronized with the conveyor speed for constant application of talc or graphite
    • 50 lb. capacity and weather-tight hopper lid
    • The flow control valve provides easy rate adjustment from .5 lbs. to 9.4 lbs. per minute depending on material and composition

    Wireless Remotes

    • Turn your Seed Pro tender into a one-man operation with a wireless remote!
    • Includes an override swtich box conveniently located on the seed tender to operate wireless functions without the remote
    • Model 210 offers a 2-function wireless remote controls the on/off and raise/lower functions of the conveyor
    • Models 410XL and 410 offer:
      • 3-function wireless remote controls the conveyor on/off, raise/lower and opens/closes the unloading doors
      • 6-function adds the ability to start/stop the engine, throttle the engine and swing the conveyor left/right
    • The 6- function wireless remote includes a scale readout for quick weight reference


    • Scale packages help you keep accurate records with a four-point load cell system for uniform weighing:
    • The 2520 scale package provides the weight to verify the quantity of seed unloaded/delivered.
      • The auto-shutoff feature automatically delivers a programmed weight of seed and then shuts off the conveyor.
      • Individual bin feature allows separate weights to be displayed for each seed box and the built-in calculator determines the weight per box needed.

    More Accessories

    • Aluminum wheel option for models 410XL and 410 provide enhanced styling and a sleek appearance
    • Cushioned gooseneck hitch receiver on models 410XL and 410 provide a smooth and gentle ride
    • Spare tire conveniently located on the hitch for quick access and added security
    • Three-stage downspout reaches up to 44’ on XL models & 40’ on non-XL models
    • LED tank and conveyor work lights for added operator convenience
    • Hydraulically operated jack available for both gooseneck & bumper pull hitches for quicker hookup


    Model 410XL - 4 Seed Boxes 410 - 4 Seed Boxes 210 - 2 Seed Boxes
    Overall Length (Conv. Forward) with Bumper Hitch 25'7" 22'11" 21'

    with Gooseneck Hitch

    23'6" 23'6" N/A
    Overall Transport Width 8'6" 8'6" 8'6"
    Overall Height to Top of Platform (without boxes) 5'10" 5'10" 5'6"
    Overall Height to Top of Seed Boxes (with boxes) 11'1" 11'1" 10'9"
    Platform Length 9'9" 9'9" 8'2"
    Undercarriage Length 20'6" 18'6" 17'
    Hitch to Back of Platform Length 20'9" 18'9" 17'
    Undercarriage Deck Heith 1'10" 1'10" 1'10"
    Underframe Clearance 1'2" 1'2" 1'2"
    Conveyor Height in Transport Position 9'10" 9'3" 8'2"
    Height to Top of Conveyor in Transport Position 11'11" 10'10" 10'2"
    Conveyor Maximum Unload Height 14'2" 12'8" 12'4"
    Conveyor Minimum Unload Height 9'10" 9'3" 8'2"
    Conveyor Maximum Side Reach 16'10" 13'3" 13'
    Conveyor Minimum Side Reach 14'7" 11'3" 11'
    Approximate Empty Weight 5,900 lbs. 5,200 lbs. 3,800 lbs.
    Loaded Tongue Weight 1,150 lbs. 1,000 lbs. 700 lbs.
    Base Length (Less Undercarriage) 10'6" 10'6" 9'4"
    Base Width (Less Undercarriage) 6'11" 6'11" 6'11"
    Overall Height (Less Undercarriage) 10'3" 10'3" 9'5"
    Reach with Standard 2-Stage Spout 30' (12-row planter) 30' (12-row planter) 30' (12-row planter)
    Reach with Optional 3-Stage Spout 40' (16-Row planter) 40' (16-Row planter) 40' (16-Row planter)
    Tongue Weight -Loaded (lbs.) 1,150 1,000 700
    Hitch Type Std./Opt. 2-5/16" Ball 2-5/16" Ball 2-5/16" Ball
    Lighting Connector 7-pin flat 7-pin flat 7-pin flat
    Due to continuing improvements in the design and manufacture of Unverferth products, all specifications contained herein are subject to change without notice.