KUHN Knight PS 250, 260, 270 & 280 ProSpread® Apron Box Spreaders"

Durability Runs in the Family

The KUHN Knight PS 250, 260, 270 & 280 ProSpread^® apron box manure spreaders are high-capacity, non-commercial spreaders designed for feeder, cow/calf, and dairy operations that process a wide array of semi-solid and solid materials.

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The KUHN Knight PS 250, 260, 270 & 280 ProSpread^® apron box manure spreaders are high-capacity, non-commercial spreader designed for feeder, cow/calf, and dairy operations that process a wide array of semi-solid and solid materials. These machines pair superior look and build with performance and are backed by rigorous testing and user feedback. A 10-degree sidewall flare provides greater capacity while still maintaining ease of loading and unit maneuverability. A heavy-duty guillotine gate delivers greater metering capability and material flow management. Choose between horizontal beaters, VertiSpread^® vertical beaters and the AccuSpread^® spinner module to best fit the needs of your operation. Improved beater location provides an enhanced spreading pattern by streamlining material flow from the apron to the beaters. Additionally, an optional scale system is available for precise monitoring and application tracking.

Built To Last

All-Steel, Welded Construction

An all-steel construction provides the backbone and solid framework for these spreaders. This simple, yet effective design keeps the sides and beater panels aligned for the life of the machine. The all-welded construction includes a reinforced tongue that pulls directly from the axle for added strength and durability. An A-frame assembly keeps the sides and beater panels correctly aligned for strong box integrity. A round-tube bottom, on the rear, promotes self-cleaning by helping prevent material breakup.

Sidewall Flare

The sidewall flare provides greater heaping capacity without increasing the overall size of the machine. This makes the unit easier to load with the wider flotation tires. This design also allows the sidewalls to be supported by fewer, yet stronger exterior uprights. The box is constructed with 10-gauge steel to ensure a strong box sidewall.

Center-Mounted Driveline

This simple design eliminates the need for extra chains and sprockets that are necessary for a side-mounted driveline. This simple design uses high-quality sealed bearings to provide reliable power delivery with lower maintenance requirements. The driveline is located underneath the unit, thus reducing the possibility of damage during loading.

Dual-Apron Design

To ensure quality and dependability the PS 250, 260, 270 & 280 spreaders are equipped with a dual apron which helps to distribute the load more evenly. The 667 XH pintle apron chain provides increased strength with ease of maintenance and is accompanied by heavy-duty, self-cleaning sprockets welded to a 2” steel shaft (optional on PS 250, standard on PS 260/270/280) . The dual apron features offset 1 ½” x 2” steel slats which provide more consistent feeding of material. The dual apron also offers increased rigidity and longevity for both apron chains and slats. A hydraulic-driven, direct-drive gearbox provides reliable power with low maintenance.

High-Density, Two-Piece Poly Floor

A two-piece, ⅝” solid poly floor provides more strength and durability than individual tongue and groove boards while reducing friction. This means that less power is required for unloading versus alternative steel or wooden floors. The poly floor provides impact resistance when dropping heavy loads into the spreader. The two-piece design allows for expansion or contraction with changing temperatures. The plastic floor also reduces winter freeze-down issues to provide trouble-free service and long life.

Superior Spreading & Material Control

Choice of Beater Modules & Improved Location"

PS 250 & 260 spreaders come with the choice of horizontal beaters, VertiSpread vertical beaters or an AccuSpread spinner module allowing you to customize your machine to your operation. The PS 270 & 280 are available with VertiSpread vertical beaters or the AccuSpread spinner discharge. To give you even greater machine versatility, beater modules can easily be removed for safe storage while stockpiling manure or when switching modules.

An improved beater location on the PS 250, 260, 270 & 280 provides an enhanced spreading pattern by streamlining material flow from the apron to the beaters.

Horizontal Beaters

A traditional design that provides good material breakup at an affordable price. Standard with two, 20" (50.8 cm) beaters. An optional lower beater is also available for increased material breakup. Not available on PS 270 or 280.

VertiSpread^® Vertical Beaters

VertiSpread^® vertical beaters provide quality spreading performance for a wider variety of dry materials, from tough materials like pen pack, to finer materials like dry dirt compost. They can provide the same fast unloading and high application rates as horizontal beaters, but with a wider spread pattern and more consistent material breakup.

PS 250/260 models come standard with 3/8" (1 cm) thick steel beater flighting with standard or hardened beater teeth. PS 270 and 280 models feature heavy-duty vertical beaters, equipped with 5/8” (1.6 cm) flighting and hardened steel beater tips, providing a durable beater capable of handling almost anything. The beater flighting overlaps ensuring an optimal spread pattern. All beaters are equipped with adjustable, two-position, bolt-on teeth which makes maintenance and replacement easy. All teeth are through-hardened to ensure strength and durability. Power to the beaters is routed through a fully enclosed, integral gearbox, providing a strong and reliable power supply with low maintenance requirements. PS 250 & PS 260 models can be upgraded to the heavy-duty vertical beaters.

AccuSpread^® Spinner Module

The new Gen II AccuSpread^® spinner discharge provides the widest, most uniform spread pattern available, and coupled with the use of the metering gate, is able to accurately spread nutrient-dense materials at low rates. The helical-style beater flighting provides excellent material breakup, even in tough materials such as pen pack. A free-floating lower deflector ensures that the material is placed on the spinner discs correctly, but also allows for movement in case of an obstruction or surge in material.

Heavy-Duty Guillotine Gate

A heavy-duty guillotine gate provides increased material metering capability. This design reduces the possibility of material flow issues, such as lodging or bridging, by eliminating guide rails protruding inside of the box, as well as increasing opening height. Each guillotine endgate comes standard with a gate position indicator for operator convenience.

Reduced Soil Compaction

Heavy-Duty Tandem Axle & Tire Options"

A rugged, tandem axle allows the unit to travel across a wide range of terrain with ease. 8- or 10-bolt bogie systems utilize a simpler design with fewer moving parts which reduces maintenance requirements and increases dependability. Brakes and/or scales require a bolted spindle. If neither option is wanted a welded spindle will be used. 10-Bolt bogies are best suited in heavy material applications.

Multiple tire arrangements are available ranging from truck, to implements, to high-flotation tires. Truck tires are durable for extended road travel, but provide limited flotation in the field. Implement tires provide good in-field flotation but have less durability during extended road travel. The high-flotation, low-profile tires provide good durability and flotation but have a higher price point versus the two other tire options. PS 270 & 280 models only come with high-flotation tires.

Hydraulic Disc Brakes

Hydraulic disc brakes are more reliable in manure applications than drum or air brakes since they are easier to keep free of foreign material. The optional hydraulic brakes are activated using the hydraulic braking port provided on the tractor. PS 270 & 280 models come standard with hydraulic disc brakes, but can be ordered without.

Equipment

Thrown Object Shield

The thrown object shield, standard with vertical and spinner beaters, better protects the tractor and driver from flying debris. The grated design allows for easy viewing of the unloading process. Optional extensions (shown in the photo) provide greater protection by increasing both height and width.

Choice of Hitch

The PS 250 and PS 260 come with the choice of bolt-on clevis or spade-style hitch without scales and a swivel clevis or spade style hitch with scales. The PS 270 come with a choice of swivel clevis or spade-style hitch (as pictured). The PS 280 comes with the choice of a swivel clevis, spade-style, or articulating ball hitch. An adjustable, articulating ball hitch increases ride quality and reduces wear for both tractor drawbar and machine hitch.

Adjustable Headland Deflector

A headland deflector allows an operator to spread closer to a headland without overlapping an already covered area or spreading over field boundaries. By using the headland deflector, an operator will reduce spreading width from 45’-60’ down to 20’-25’.

Optional Scales Package

The PS 242-270 can be paired with a scale package which allows the operator to precisely manage and track manure applications. A five-point scale platform provides increased accuracy and durability.

Electric Speed Flow Control

An option for tractors that do not have flow control capabilities, the electric flow control allows the operator to easily adjust the apron speed from inside the cab to suit specific materials or speeds. This provides increased flexibility when spreading a variety of materials.

Manual Flow Control

For tractors that don’t have flow control capabilities, the manual flow control allows the operator to easily adjust the apron speed to suit specific materials or speeds. This increases flexibility when spreading a variety of materials.

Specifications

CAPACITY


Struck Level
Heaped
Maximum Net Load

PS 250 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 260 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 270 TRAILER VERTICAL/SPINNER	PS 280 TRAILER VERTICAL/SPINNER
335 ft³ (9.5 m³)	395 ft³ (11.2 m³)	480 ft³ (13.6 m³)	560 ft³ (13.6 m³)
500 ft³ (14.2 m³)	600 ft³ (17 m³)	690 ft³ (19.5 m³)	800 ft³ (22.7 m³)
8-Bolt: 26,000 lbs (11,793 kg) 10-Bolt: 32,500 lbs (14,747 kg)	39,000 lbs (17,690 kg)	44,850 lbs (20,344 kg)	52,000 lbs (23,590 kg)

DIMENSIONS


Overall Length
Inside Box Length
Inside Box Depth
Inside Box Width
Overall Height - Top of Beaters
Overall Height - Top of Thrown Object Shield
Loading Height
Overall Tread Width
Ground Clearance
Unit Weight
Minimum PTO Power Requirement

PS 250 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 260 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 270 TRAILER VERTICAL/SPINNER	PS 280 TRAILER VERTICAL/SPINNER
287"/307"/312" (729/780/792 cm)	336"/356"/362" (853/904/919 cm)	359"/363" (912/922 cm)	397"/403" (1,008/1,024 cm)
210" (533 cm)	240" (610 cm)	240" (610 cm)	278" (706 cm)
37" (94 cm)	39" (99 cm)	48" (122 cm)	48" (122 cm)
Top: 80" (203 cm) Bottom: 72" (183 cm)	Top: 80" (203 cm) Bottom: 72" (183 cm)	Top: 80" (203 cm) Bottom: 72" (183 cm)	Top: 80" (203 cm) Bottom: 72" (183 cm)
101"/109"/101" (257/277/257 cm)	101"/109"/101" (257/277/257 cm)	118"/101" (300/257 cm)	126"/122" (320/310 cm)
110" (279 cm)	112" (284 cm)	128" (325 cm)	128" (325 cm)
75" (191 cm)	78" (198 cm)	93" (236 cm)	93" (236 cm)
123" (312 cm)	127" (323 cm)	134" (340 cm)	134" (340 cm)
15"/16"/14" (38/41/36 cm)	15"/16"/14" (38/41/36 cm)	25"/19" (64/48 cm)	25"/19" (64/48 cm)
8,700/10,700/12,000 lbs (3,946/4,853/5,443 kg)	10,600/12,500/13,800 lbs (4,808/5,670/6,260 kg)	16,000/16,800 lbs (7,258/7,620 kg)	18,500/19,200 lbs (8,391/8,709 kg)
120/140/140 hp (90/104/104 kW)	140/160/160 hp (104/119/119 kW)	180 hp (134 kW)	200 hp (150 kW)

BEATERS


Standard Number of Beaters
Number of Paddles or Teeth
Beater Diameter
Lower Beater Diameter
Paddle or Flighting Thickness
Overload Protection
Removable Beater Assembly
Beater Drive
PTO Drive Speed

PS 250 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 260 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 270 TRAILER VERTICAL/SPINNER	PS 280 TRAILER VERTICAL/SPINNER
2	2	2	2
14 Paddles/24 Teeth/24 Teeth	14 Paddles/24 Teeth/24 Teeth	32 Teeth	32 Teeth
20"/37.5"/19.25" (50/95/49 cm)	20"/37.5"/19.25" (50/95/49 cm)	37.5"/23.5" (95/60 cm)	37.5"/23.5" (95/60 cm)
Optional 10.25'' (26 cm)	Optional 10.25'' (26 cm)
0.38"/0.38" or 0.6"/0.38" (1.0/1.0 or 1.6/1.0 cm)	0.38"/0.38" or 0.6"/0.38" (1.0/1.0 or 1.6/1.0 cm)	0.6"/0.38" (1.6/1 cm)	0.6"/0.38" (1.6/1 cm)
Shear Bolt/Torque-Disconnect/Torque-Disconnect	Shear Bolt/Torque-Disconnect/Torque-Disconnect	Torque-Disconnect	Torque-Disconnect
Yes	Yes	Yes	Yes
PTO	PTO	PTO	PTO
540-1,000/1,000/1,000 rpm	1,000 rpm	1,000 rpm	1,000 rpm

APRON


Number of Aprons
Shaft Diameter
Sprockets
Chain
Slat Size
Slats per Apron
Drive

PS 250 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 260 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 270 TRAILER VERTICAL/SPINNER	PS 280 TRAILER VERTICAL/SPINNER
2	2	2	2
2" (5 cm)	2" (5 cm)	2" (5 cm)	2" (5 cm)
6-Tooth	6-Tooth	6-Tooth	6-Tooth
667 X Pintle , 667 XH Pintle	667 XH Pintle	667 XH Pintle	667 XH Pintle
0.25"x1.5"x2" (0.6x3.8x5.0 cm)	0.25"x1.5"x2" (0.6x3.8x5.0 cm)	0.25"x1.5"x2" (0.6x3.8x5.0 cm)	0.25"x1.5"x2" (0.6x3.8x5.0 cm)
28	32	32	37
Hydraulic	Hydraulic	Hydraulic	Hydraulic

BOX AND UNDERCARRIAGE CONSTRUCTION


Front Panel and Sides
Floor
Endgate
Trailer Axle
Spindle Diameter
Hubs
Brakes

PS 250 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 260 TRAILER HORIZONTAL/VERTICAL/SPINNER	PS 270 TRAILER VERTICAL/SPINNER	PS 280 TRAILER VERTICAL/SPINNER
10 GA	10 GA	10 GA	10 GA
0.6" (1.6 cm) Poly	0.6" (1.6 cm) Poly	0.6" (1.6 cm) Poly	0.6" (1.6 cm) Poly
Guillotine	Guillotine	Guillotine	Guillotine
Tandem Bogie	Tandem Bogie	Tandem Bogie	Tandem Bogie
3", 3.38" or 3.75" (7.6, 8.6 or 9.5 cm)	3.38" or 3.75" (8.6 or 9.5 cm)	4.5" (11.4 cm)	4.5" (11.4 cm)
8-Bolt or 10-Bolt	10-Bolt	10-Bolt	10-Bolt
Optional	Optional	Optional	Optional

Media

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Customer Spotlight: PS 250, 260, 270 & 280

Erik Forsyth Reston, Manitoba
"The KUHN Knight PS 270 ProSpread^® apron box manure spreader has been a great asset on the feedlot! The large capacity makes hauling to the field far more economical. The vertical beaters are very impressive chewing through absolutely anything with an even spread pattern. Being able to easily control the rate with the chain drag conveyor is also a favorite feature."
Charley Brown & Mike Henry North Platte, Nebraka
“We need to tear particle size down for alfalfa fields,” Mike says, coming back to machine performance. Both the PS 270 and 280 feature heavy-duty VertiSpread^® vertical beaters, equipped with 5/8 inch flighting and hardened steel beater tips. This results in a wider spread pattern and more consistent material breakup. Mike adds, “There are lots of vertical beaters in the industry, but KUHN has one of the best on the market.”
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PS 250, 260, 270 & 280 Apron Box Spreaders