Kuhn OPTIMER L 350

Kuhn OPTIMER L 350 for sale at Colerain, North Carolina

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Kuhn OPTIMER L 350 for sale at Colerain, North Carolina

 

Features

Built Smart

Main Frame
Both the mounted and trailed versions of the Optimer L are built on a strong frame with generous clearance underneath that allows soil and residue to pass through unhindered. Mounted versions use a rigid frame integrated with the headstock. Trailed versions have a large “backbone” that forms the main structure between the hitch and transport carriage. The discs and roller then mount to folding wing subframes that in turn mount to the main structure.

Disc Blades
All Optimer L models come standard with 20” (510 mm) diameter, notched disc blades. These blades are nearly ¼” (6 mm) thick for greater durability and a longer wear life. As seen in the center picture, each blade mounts to its own arm at a compound angle (6° from vertical and 15° from horizontal) to create a high-quality cutting and mixing action. The individual suspension arms mean that only individual discs are affected in the event of an obstacle strike, rather than an entire gang. The suspension arms bolt to sealed bearings that are lubed-for-life with high-quality synthetic grease. This greatly reduces time spent maintaining the machine.

Disc Blade Suspension
The suspension arm for each disc blade mounts to the frame with four polyurethane elastomer blocks. These blocks firmly hold the arms in place, yet have some “give” that allows the arm and disc blade to flex up and out of the way when an obstacle is struck in the field. Just like the suspension arms, the blocks are independent for each disc blade.

Side Deflectors
The side deflector discs catch soil and residue thrown from the disc blades and deflect it downward into the path of the roller, reducing the formation of ridges and promoting an even, level field finish. Each deflector adjusts in three directions: length, depth, and distance from the center of the machine, allowing the operator to fine-tune the field finish depending on conditions.

Adjustable Working Depth

Hydraulic Depth Control
Hydraulic depth control is a standard feature on all Optimer L models. Connected to a tractor SCV, the cylinders raise or lower the rear roller to obtain the desired working depth. Hydraulic control allows the operator to remain in the comfort of the cab and make quick adjustments as needed.

Steady Control
Steady Control is a ground-following option for the Optimer L 6000 and 7500 models. This KUHN exclusive controls the hydraulic pressure on each section using the tractor’s hydraulic compensation. If the ground contours force a section to go up, the rising pressure returns some hydraulic oil to the tank, while a decrease in pressure would bring more oil into the circuit to compensate for low-lying areas. In this way, a constant pressure and uniform working depth are maintained. Uniform depth provides agronomic advantages, since all seeds will be placed in a similar environment to promote consistent emergence.

Roller Options

T-Liner Roller
All Optimer L 100 Series (mounted) models come standard with the T-Liner roller. The T-Liner measures 23.6” (600 mm) in diameter and works best in medium to heavy soils. The scrapers help to keep the roller clean in sticky conditions, while the solid tube design reduces the chance that rocks become jammed in the roller.

Single Tube Roller
The Single Tube roller is an available option on the Optimer L 100 Series models. This roller features round bars arranged in a spiral pattern around the central axis, with an overall outside diameter of 21.7” (550 mm). It is lightweight for easy tractor lifting and performs best when crumbling and finishing light to medium soils. The Single Tube is less favorable if you work in sticky and/or rocky soils, as there is a greater potential for the roller to clog or stones to jam between the bars.

Flexliner Roller
The Flexliner roller is offered as an option on the Optimer L 100 Series models. Steel strips are attached to the central bar and can flex and spring as they roll along the soil surface. With a 21” (540 mm) overall diameter, this design works well in spring seedbed preparation applications.

Double U Roller
The Double U roller is offered on the Optimer L 1000 Series models and is perhaps the most versatile roller in the lineup. It features two rows of wheels mounted in a staggered pattern, all of which measure 23.6” (600 mm) in diameter. This design helps the soil to flow through the roller and also helps the roller to self-clean. The Double U roller works with all soil types, including heavy and sticky soils, and offers good leveling ability.

Double U Roller
The Double U roller is offered on the Optimer L 1000 Series models and is perhaps the most versatile roller in the lineup. It features two rows of wheels mounted in a staggered pattern, all of which measure 23.6” (600 mm) in diameter. This design helps the soil to flow through the roller and also helps the roller to self-clean. The Double U roller works with all soil types, including heavy and sticky soils, and offers good leveling ability.

Specifications

SPECIFICATIONS OPTIMER L 350
Minimum PTO power requirement 105 hp (77 kW)
Maximum PTO power allowed 175 hp (129 kW)
Working width 11'6" (3.5 m)
Transport width 11'6" (3.5 m)
Notched disc diameter 20" (510 mm)
Number of discs 28
Working depth 1.2" - 4" (3 - 10 cm)
Side deflectors Left and right as standard
Hitch type Cat. 2, 3N, 3
Machine weight approx. 4,586 lbs (2,080 kg)
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