Vegetation ManagementAgriculture


The OS170 spreader from Loftness® meets the needs of modern orchards and vineyards. That’s because it has a higher capacity, lower profile and narrower width than other spreaders on the market. It spreads dry material with superior precision and offers stainless steel construction for corrosion resistance. Not to mention, it provides the durability and reliability that producers have come to expect from Loftness products.

Standard Mechanical Conveyor Drive

The OS170 comes standard with a mechanical conveyor drive with hydraulic shut-off. It can also be equipped with a rope pull shut-off, or both hydraulic and rope shut-off.

Low Profile Design

At only 56.4 inches tall, the OS170 leads the industry with its low profile, allowing it to easily travel under tree branches. Despite the lower profile, the spreader has one of the highest capacities with the ability to carry up to 80 cubic feet of material.

Narrow Width

With a hopper width of 48.7 inches and tire width of only 50.1 inches, the OS170 can operate efficiently in some of the narrowest spaced plantings.

Stainless Steel Construction

The hopper is constructed of 409 painted stainless steel for superior corrosion resistance. All other areas exposed to continuous fertilizer contact are made from stainless steel as well, such as the 304 stainless steel conveyor chain.

Dual Stainless-Steel Spinners

Dual stainless steel spinners produce a consistent spread pattern up to 25 feet wide on the standard model. A 40-foot spread width is optional.

Spinner Drive

The dual stainless steel spinners come standard with hydraulic drive but can be equipped with an optional 540-RPM PTO drive.

An optional controlled spinner drive works in conjunction with a speed sensor, allowing the operator to set the desired spinner speed from the cab to match the desired spread width. Simply enter the desired spinner speed, and the spinners will adjust automatically to the programmed speed.

Adjustable Hitch

The hitch has an adjustable clevis to accommodate a wider range of drawbar heights, and allows for leveling of the spreader.

11L-15 Tires
Optional Banding Attachment

The optional bander at the rear of the spreader deflects the fertilizer and places it in narrow zones or bands to provide a concentrated application. Deflectors on the bander can be adjusted to direct the fertilizer to the desired location, or band width.

Optional Top Screen

Add a top screen to the OS170 to help keep large chunks and foreign material from entering the hopper. (This option isn’t compatible with the roll-up tarp.)

Optional Roll Tarp

A convenient roll-up cover helps protect your fertilizer from the elements. (This option isn’t compatible with the top screen.)

Optional 11.75″ Hopper Extensions


Spread Pattern25' (40' optional)
Hopper Capacity (Struck)58 cu. ft.
Hopper Capacity (Heaped)80 cu. ft.
Weight (Empty)1,690 lbs
Max Gross Weight6,500 lbs
Overall Length194.9"
Overall Height56.4"
Hopper Width48.7"
Outer Wheel Width50.1"
Standard Tires11L-15, 10 ply
Axles/SuspensionRigid axle, 2.5" OD tube, 0.219" wall
Hubs6-bolt on 6", 3,500#
Frame Material2" x 4" 11 ga
Hitch Material3/16" formed steel
DrawbarAdjustable height clevis
Hopper Material/Gauge12 ga, 409 stainless steel
Gate Material/Gauge3/16", 409 stainless steel
Conveyor Chain Material304 stainless steel, 1" x 1" Flatwire belt
Spinner Dish Material409 stainless steel, 19" diameter x 3/16"thick
Conveyor DriveGround drive (hydraulic optional)
Spinner DriveHydraulic (540 PTO optional)
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