Seed Pro® Bulk Box Tender - Unverferth Seed Tenders
"Seed Pro box tender"
Product Overview
The Unverferth Seed Pro® bulk box 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. The model 400 carries up to four, 50 unit bulk boxes and tenders the seed gently to the planter or drill.
For optimum transport safety, standard equipment heavy-duty double-axle undercarriage features lighting, reflective striping, transport chains and brakes
Check out the additional Seed Pro features
Feature Overview
- Exclusive design not only fills planters and drills, but can be positioned 90 degrees to transfer seed from one container to another
- Cupped and cleated belt, in choice of 12" inside an 8" tube, or 8" inside a 6" tube gently moves the seed
- Models equipped with 8" conveyor unload at up to 25 bushels per minute, while those with the 6" unload up to 12 bushels per minute
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Specification Overview
| Model |
400 |
| Overall Length (Conv. Forward) |
23'8" |
| Transport Width |
8'6" |
| Transport Height |
10'6" |
| Overall Load Height |
9'10" |
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Accessories Overview
- Scale package allows you to determine quantity used or sold and as a weigh wagon for yield comparisons. Available as factory- or field-installed option
- Optional downloader lets you keep information electronically for using with a personal computer
- Roll printer provides instant verification and a hard copy for each load
- Spare tire provides added security for quick changes to get you back on the road in short order
- Optional three-stage telescopic downspout for a reach of up to 40' to easily fill 16-row planters.
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Product Features
- Exclusive design not only fills planters and drills, but can be positioned 90 degrees to transfer seed from one container to another
- Cupped and cleated belt, in choice of 12" inside an 8" tube, or 8" inside a 6" tube gently moves the seed
- Available with either an 8" conveyor for up to 25 bushels per minute unloading or 6" for unloading up to 12 bushels per minute
- Standard two-stage downspout reaches 30' for filling planters up to 12-row, 30"
- 18' steel conveyor rotates a full 180 degrees and features telescopic downspout for extended optimum unloading reach
- Stainless-steel roller plates for long life and durability
- 60" of hydraulically operated vertical height adjustment for easy movement into the loading/unloading position
- Downspout features tool-free removal to efficiently use for filling between two other sources
- Easy-opening 5" x 6" doors with rubber funnel regulate seed flow
- Powered by Honda® 11 h.p. gas engine with electric start
- Top-mounted, 6-cubic-inch hydraulic motor pulls the belt forward, keeping it tight for the most efficient and gentlest seed movement
- Handle the widest variety of seed including cotton, peanuts and wheat
- Control panel with choke, ignition and throttle controls mounted on conveyor side permits convenient engine operation
- Brush-type seal on conveyor inlet prevents seed from back feeding into the hopper for cleaner operation
- Hinged door at bottom of conveyor for easy clean out
- Wired remote with coiled cable for easy on/off operator control and features a magnetic mount and cradle for easily storing on your Seed Pro box carrier
- Hinged latches with spring-loaded locks for securely fastening boxes
- Easy reach design permits loading of boxes from rear or side
- Large funnel design allows quick, clean unloading. Locking covers are standard for storage ease
- The undercarriage for the Seed Pro bulk box tender features rugged steel construction, rubber-cushioned suspension, tandem with electric brakes, highway-rated tires, lights, reflective striping and and transport chains
- Durable protective finishes with silicone sealed seams for long life
| Model |
400 |
| Overall Length (Conv. Forward) |
22'5" |
| Transport Width |
8'6" |
| Transport Length |
18'9" |
| Transport Height |
10'10" |
| Platform Width |
7'10" |
| Platform Length |
9''9" |
| Platform Height |
5'10" |
| Undercarriage Length |
18'5" |
| Deck Height |
1'10" |
| Underframe Clearance |
1'2" |
| Appx. Empty Weight (lbs.) |
5200 |
| Conveyor Maximum Unloading Height |
12'8" |
| Conveyor Reach at Max Height |
11'3" |
| Conveyor Minimum Unloading Height |
9'3" |
| Conveyor Reach at min. Unloading Height |
13'3" |
| Reach with Standard 2-Stage Spout |
30' - (12-Row 30" Planter) |
| Reach with Standard 3-Stage Spout |
40' (16-Row 30" Planter) |
| Tongue Weight -Loaded (lbs.) |
1,000 |
| Hitch Type Std./Opt. |
2-5/16" Ball/3" Pintle |
| Lighting Connector |
7-pin flat |
Product Accessories
- Gain power and efficiency with one-person, wireless remote control operation that directs:
- Starting and stopping of engine
- Engine and unloading speed
- Raise/lower conveyor
- Open/close flow gates
- Turn conveyor on and off
- Wireless remote features heavy-duty, weather-resistant construction with large, easy-to operate controls
- Available Deluxe Remote package adds conveyor swing in addition to the full feature set of the wireless remote
- Scale package allows you to determine quantity of seed used or sold and as a weigh wagon for yield comparisons. Available as factory- or field-installed option
- Optional downloader lets you keep information electronically for using with a personal computer
- Roll printer provides instant verification and a hard copy for each load
- Optional 3-stage downspout extends reach out to 40' for reaching 16-row 30" planter boxes
- Spare tire provides added security for quick changes to get you back on the road in short order
- An optional canvas cover with elastic band holds tightly around the hopper opening for protecting seed from dirt, dust, debris and water
- Optional three-stage telescopic downspout for a reach of up to 40' to easily fill 16-row planters.
- Spotlight for top of conveyor for easier nighttime filling

Duration (1:24)
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Seed Pro Bulk Box Tender Features
Take a look at all of the great features the Seed Pro Bulk Box Tender can offer to your farming operation.
Download Seed Pro Model 400 Literature
Download Wireless Remote Literature