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Overview

Proven Legacy. Tough Performance.

The KUHN Knight SLC 200 Series carries on the ProTwin Slinger legacy of rugged, reliable performance. With 3,200–5,000‑gallon capacities, these commercial‑size spreaders handle diverse materials across agricultural, municipal and industrial applications.

KUHN Knight SLC 200 Series ProTwin® Slinger® commercial manure spreaders set the standard for fast, efficient spreading—even in the most demanding environments. Designed to handle heavy, sand-laden manure with ease, these spreaders deliver unmatched reliability and performance. The unique twin-auger design and exclusive V-body construction ensure smooth material flow and superior versatility, tackling the widest range of materials compared to any spreader on the market. Complete adjustability of the 18-hammer discharge provides excellent material breakup for consistent, even spreading. With large-capacity truck-mount or trailer models, the SLC 200 Series combines rugged durability, efficiency, and adaptability—giving you maximum return on your investment.

Features

Proven, ProTwin Design

The raised right auger moves material rearward to keep the load evenly distributed. The left, lower auger moves material forward to continuously feed the discharge door


Consistent Flow to the Discharge

The continuously welded V-body tank helps provide a reliable material flow, continuously feeding material down to the augers. Combined with the unique auger design, this helps ensure constant delivery of material to the swinging hammer discharge.


Eliminates Bridging

The well-proven, twin-auger design eliminates material bridging. The two augers work together to create a bidirectional flow that provides constant agitation and steady movement, even with the most challenging materials.

Multi-Purpose Spreader

The continuously welded V-body tank will hold both wet and dry materials. This feature allows the Slinger to handle the widest variety of materials compared to any spreader on the market, including soupy gutter manure, semi-solids, separated solids, compost, bedding pack, mulch products and many more. ​

Rugged Undercarriage

The heavy-duty undercarriage is built for dependable service under heavy use in the toughest conditions, including hauling sand-laden manure. All SLC models come standard with tandem axles.

Heavy-Duty Hammer Design

The KUHN hammer design features more wear surface on the bottom edge to extend hammer life. The fully adjustable shroud helps decrease wear, extending life even further. Nylon bushings and washers help prevent premature wear to the bolts, hammers and hammer shaft ears.

Wide, 18-Hammer Discharge

The KUHN hammer design features more wear surface on the bottom edge to extend hammer life. The fully adjustable shroud helps decrease wear, extending life even further. Nylon bushings and washers help prevent premature wear to the bolts, hammers and hammer shaft ears.

Adjustable Shroud and Sill

Incremental adjustment allows for optimal setting of the clearance between the door sill and the toes of the hammers. Independent adjustment of the door sill and shroud help maintain the clearance between the hammers and the full internal radius of the shroud. Maintaining proper clearance enhances the performance of the hammers and their ability to carry material.

Adjustable Deflector

The hydraulically adjustable deflector provides the ability to conveniently regulate the spread pattern from the tractor seat while spreading. This allows close control of the spreading width for accurate nutrient placement. The deflector stores in the down position and although it is not watertight, it completely closes off the discharge area to help prevent material loss during transport.

Durable, Heavy-Duty Drive

The SLC 200 Series features a fixed, welded drive enclosure for maximum strength and reliability. The durable, heavy-duty drive requires minimal maintenance and delivers years of dependable service. There are no rear chains or sprockets, and the entire drive is enclosed in a front oil bath that provides constant lubrication to chains, bearings, and sprockets—ensuring smooth operation and long-lasting performance compared to the previous removable cartridge design.


Independent Auger Protection

The drive of the SLC 200 Series manure spreaders incorporates individual shear protection for each auger. The shear bolts are conveniently located in the oil bath enclosure for easy access. They provide effective protection for the chains, sprockets, bearings and shafts against damage due to overload, wedging and obstructions.

Enhanced Auger Durability

Hardened front auger plugs prevent oil bath contamination and reduce wear in heavy sand environments. Replaceable rear auger sleeves allow for quick, cost-effective maintenance without replacing the entire auger assembly—saving time and money.

Overrunning Clutch on Hammer Shaft

The overrunning clutch not the hammer shaft allows it to rotate freely when the PTO is disengaged. This reduces backlash on the PTO and on the spreader drive components for less wear and longer life.

Added Shear Protection

Both augers feature simplified shear bolt protection on the transfer paddles. Transfer paddles on the right auger deliver material to the left auger. Paddles on the left auger deliver material to the discharge. The paddles are also split for easy removal and replacement if necessary.


Equipment

Truck Mount Models

The SLC 232 and 241 are available as a truck mount for applications requiring longer travel distances. Mechanical and hydrostatic drive options are available.

Scale System

A scale system is available for all SLC models, porviding accurate application and tracking of applied nutrients. This system, combined with the latest scale head technology, provides integrated manure application management and record keeping capabilities. Trailer models feature a 5-point system of four weigh bars in the wheel spindles and one in the hitch. Truck models use a 3-point system.

Hydraulic Disc Brakes

Hydraulic disc brakes are optional for SLC 232 and 241 models and standard on SLC 250 trailer models. Brakes provide additional stopping capabilities for faster stopping of the heavy loads hauled by these hgih-capacity machines.

Hydraulic Lid

The lid can be raised and lowered hydraulically and provides secure closure to haul slurry-type materials. While it is not completely water-tight, it does an excellent job helping to contain semi-liquid materials without worry of spills during transport.

Dual-Seal Bearings

Dual-seal bearings are designed to keep liquid in the tank and away from the critical drive components. With these seals, liquid manure and other caustic liquids are less able to penetrate the Nylatron bearings or contaminate the oil bath reservoir.


Specifications

Capacity


SLC 232 TRAILER

SLC 232 TRUCK

SLC 241 TRUCK

SLC 241 TRAILER

SLC 250 TRAILER

Struck Level

3,200 gal (12,113 L)

3,200 gal (12,113 L)

4,100 gal (15,520 L)

4,100 gal (15,520 L)

5,000 gal (18,927 L)

Struck Level

430 ft³ (12.2 m³)

430 ft³ (12.2 m³)

550 ft³ (15.6 m³)

550 ft³ (15.6 m³)

670 ft³ (19 m³)

Heaped

645 ft³ (18.3 m³)

645 ft³ (18.3 m³)

820 ft³ (23.2 m³)

820 ft³ (23.2 m³)

956 ft³ (27.3 m³)

Maximum Net Load

32,000 lbs (14,515 kg)

32,000 lbs (14,515 kg)

41,000 lbs (18,597 kg)

41,000 lbs (18,597 kg)

50,000 lbs (22,680 kg)

Dimensions


SLC 232 TRAILER

SLC 232 TRUCK

SLC 241 TRUCK

SLC 241 TRAILER

SLC 250 TRAILER

Overall Length

289" (734 cm)

220" (559 cm)

274" (696 cm)

337" (856 cm)

337" (856 cm)

Inside Hopper Length

192" (288 cm)

192" (288 cm)

240" (610 cm)

240" (610 cm)

240" (610 cm)

Top Inside Hopper Width

90" (229 cm)

90" (229 cm)

90" (229 cm)

90" (229 cm)

96" (244 cm)

Overall Height - Top of Splash Guards

102" (259 cm)

128" (325 cm)

128" (325 cm)

104" (264 cm)

113" (287 cm)

Loading Height

96" (244 cm)

118" (300 cm)

118" (300 cm)

98" (249 cm)

103" (262 cm)

Overall Width

120" (305 cm)

117" (297 cm)

117" (297 cm)

132" (335 cm)

139" (353 cm)

Tread Width

114" (290 cm)

96" (244 cm)

96" (244 cm)

132" (335 cm)

139" (353 cm)

Unit Weight

12,000 lbs (5,443 kg)

8,821 lbs (4,001 kg)

9,800 lbs (4,445 kg)

16,500 lbs (7,484 kg)

20,500 lbs (9,300 kg)

Minimum PTO Power requirement

150 HP

-

-

180 HP

225 HP

Augers


SLC 232 TRAILER

SLC 232 TRUCK

SLC 241 TRUCK

SLC 241 TRAILER

SLC 250 TRAILER

Auger Diameter (Upper/Lower)

24" (61 cm)

24" (61 cm)

24" (61 cm)

24" (61 cm)

24" (61 cm)

Flighting Thickness

3/8" (1 cm) sectional

3/8" (1 cm) sectional

3/8" (1 cm) sectional

3/8" (1 cm) sectional

3/8" (1 cm) sectional

Tube Diameter (Upper/Lower)

8.6" (22 cm)

8.6" (22 cm)

8.6" (22 cm)

8.6" (22 cm)

8.6" (22 cm)

Drive Shaft Diameter (Upper/Lower)

3.5" (8.9 cm)

3.5" (8.9 cm)

3.5" (8.9 cm)

3.5" (8.9 cm)

3.5" (8.9 cm)

Drive


SLC 232 TRAILER

SLC 232 TRUCK

SLC 241 TRUCK

SLC 241 TRAILER

SLC 250 TRAILER

PTO Drive Speed

1,000 rpm drive kit - 1 3/4" 20-spline - CV PTO

-

-

1,000 rpm drive kit - 1 3/4" 20-spline - CV PTO

1,000 rpm drive kit - 1 3/4" 20-spline - CV PTO

PTO Protection

Torque-Disconnect

-

-

Torque-Disconnect

Torque-Disconnect

Discharge


SLC 232 TRAILER

SLC 232 TRUCK

SLC 241 TRUCK

SLC 241 TRAILER

SLC 250 TRAILER

Expeller Speed

833

833

833

833

694

Expeller Shaft Diameter

2.5" (6.4 cm)

2.5" (6.4 cm)

2.5" (6.4 cm)

2.5" (6.4 cm)

3" (7.6 cm)

Expeller Swing Diameter

20" (51 cm)

20" (51 cm)

20" (51 cm)

20" (51 cm)

24" (61 cm)

Number of Hammers

18

18

18

18

18

Box and Undercarriage Construction


SLC 232 TRAILER

SLC 232 TRUCK

SLC 241 TRUCK

SLC 241 TRAILER

SLC 250 TRAILER

Hopper Bottom

0.25" (0.6 cm)

0.25" (0.6 cm)

0.25" (0.6 cm)

0.25" (0.6 cm)

0.25" (0.6 cm)

Front Panel

1/4" (0.6 cm)

1/4" (0.6 cm)

1/4" (0.6 cm)

1/4" (0.6 cm)

1/4" (0.6 cm)

Rear & Side Panels

7 GA

7 GA

7 GA

7 GA

7 GA

Door Opening Size

18" x 47" (46 cm x 119 cm)

18" x 47" (46 cm x 119 cm)

18" x 47" (46 cm x 119 cm)

18" x 47" (46 cm x 119 cm)

18" x 47" (46 cm x 119 cm)






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