Unverferth PRO-FORCE 1650 Dry Fertilizer Applicator

FES is the original dealer Pro Force since 1998, We have the best on hand inventory, support system and parts inventory that we can overnight to you if needed. Our sales, service and support are second to none, Rely on FES for all your Pro Force spreader needs! Call us today for great pricing and support!

We offer financing and nations wide and Canadian delivery!

We have 2 1650- 16, 2 14' and two 12 foot Pro Force spreader beds available as of 12-29-23

Perfect for your fertilizer and high rate application needs!

102” wide hopper with 12" sideboards (except for 12' model) is constructed of premium 304 stainless steel for the most corrosive-resistant, longest-lasting finish.
Hoppers utilize 50° slopes, which are the steepest for a dry fertilizer spreader, for quick and complete cleanout and feature struck capacities ranging from 710 to 270 cubic-feet.
Optional 175 cubic-foot (120 cubic foot on 12' models) Duo-Force insert allows the operator to spread 2 separate products, at the same time, with independent variable rate control.
On 22' to 13' models, add the Tri-Force attachment for a 75 cubic-foot micro- nutrient hopper for spreading 3 separate products.
Add the Quad Force insert divider into the Tri-Force hopper for spreading 4 separate products.
The Duo-Force, Tri-Force and Quad Force options can be added or removed from the Pro-Force hopper at any time
Conveniently located control valves near the front of the hopper provide a clean working environment.
Bin level sensor alerts the operator when the hopper is getting low and the window in the front endgate allows the operator to easily check the hopper contents.
Inverted Vee in the hopper protects the belt-over-chain and helps break up material when loading with an end loader.
Tensioning system features an inspection area to easily monitor the chain for optimum life.


Spread common fertilizers up to 90’, lime and gypsum up to 60’, soybeans and cover crops up to 70’ and compost up to 45’.
34” wide belt-over-chain provides a leak-free seal for accurately dispensing material onto the spinners.
Vee-cleat belt is fastened to the chain for worry-free operation.
Pintle chain is the backbone of the belt and provides more than 60,000 lbs. of high-tensile strength.
Drive system features the largest spur gear in the industry, heavy-duty gearcase and pinion and utilizes 4140 forged sprockets for extended life.
The optional Duo-Force insert features a 34" wide chain, providing consistent spread patterns with the main hopper's 34" wide belt-over-chain conveyor.
The fixed material divider at the end of the belt-over-chain conveyor ensure even distribution to each spinner.
Removable hillside baffles at the end of the belt-over-chain conveyor holds material in place when traveling over uneven terrain.
Dual 30” spinner assemblies feature a dished design and the most aggressive fins in the industry that produce a wider spread pattern with precision application rates.
Spinner drive features a jackshaft assembly that reduces maintenance requirements.
Spinner assemblies feature multiple pre-defined settings for quick and easy fore-and-aft adjustment. This operator-friendly design ensures that the correct setting is selected every time it is operated whether you're spreading fertilizer or spreading compost.
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Systems have the 12" 304 SS box extensions for 410 Cubic foot capacity.

Here at our location in Clear Lake Iowa.

Call with any questions you might have!

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