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Kuhn - MM 701 & MM 890

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Kuhn MM 701 & MM 890 In a Class of Its Own

With working widths of 24' and 30’, and many of the features KUHN mergers are known for, the MM 701 & MM 890 provide operators with the working power of a triple merger in the compact size of a twin.

KUHN’s twin hay mergers provide operators with simplicity, versatility, and dependability. The KUHN MM 701 and 890 Merge Maxx® hay mergers offer 24’ and 30’ pickup widths respectively. Designed for mid-to large dairy and commercial forage operations they can merge to the left, right or 50/50 split creating even windrows for the forage harvester. The floating windguard ensures smooth and even windrows to make the forage harvester more efficient, while the crop netting improves leaf retention in the windrow. Simple and durable mechanical flotation on each head eliminates the need to engage float via the tractor's hydraulics. The IntelliMerge™ ISOBUS control system is an industry exclusive and standard on both the MM 701 and 890, improving operator ergonomics and operational efficiency.

MM 701 & MM 890
Sale Type
  MM 701 MM 890
 Working width 24' (7.3 m) 30' (9 m)
 Number of pickups and conveyors 2 2
 Individual pickup width 12' (3.7 m) 15' (4.6 m)
 Conveyor length 11'10" (3.7 m) 14'10" (4.5 m)
 Conveyor width 3' (1 m) 3' (1 m)
 Discharge capability Right, left, or split Right. left, or 50/50 split
 Pickup windguard Standard Standard
 Adjustable crop nets Standard Standard
 Number of tine bars 6 6
 Cam followers Sealed roller bearings Sealed roller bearings
 Pickup height 5/8" - 3 1/8" (16 - 80 mm) 5/8" - 3 1/8" (16 - 80 mm)
 Adjustable skid shoes Hydraulic Hydraulic
 Header flotation Constant Float® suspension Constant Float® suspension
 Header suspension travel 14" (+8", -6") 35.6 (+20.3, -15.2) cm 14" (+8", -6") 35 cm (+20 cm, -15 cm)
 Hitch 2-point swivel hitch, Cat. 2, 3N and 3, quick hitch compatible 2-point swivel, Cat. 2/3N/3/4N, quick hitch compatible
 Self-contained hydraulic drive Standard Standard
 Pickup speed control via ISOBUS terminal via ISOBUS terminal
 Conveyor direction control via ISOBUS terminal via ISOBUS terminal
 ON/OFF conveyor control without disengaging the pickup via ISOBUS terminal via ISOBUS terminal
 Pickup height gauge via ISOBUS terminal via ISOBUS terminal
 Transport width 10' (3 m) 10'3" (3.1 m) with 500/45 - 22.5 tires 10'3" (3.1 m)
 Transport length 24'6" (7.5 m) 28'4" (8.7 m)
 Transport height 12' (3.6 m) 12' (3.7 m)
 Tires Standard 16.5"L X 16.1" 10 - ply imp. tires 500/45-22.5 flotation
 Central lube system Optional Standard
PTO 1 3/8" - 21 spline 1 3/8" shaft - 21 spline
 PTO speed 1,000 rpm 1,000 rpm
 Minimum PTO power requirement 100 hp (75 kW) 120 hp (90 kW)
 Road lights and signaling Standard Standard
 Required tractor electrical connections 1 SAE 7 pin light connection, 12V power, ISOBUS plug 1 SAE 7 pin light connection, 12V power, ISOBUS plug
 Required tractor hydraulic connections 2 DA; no float valve required 2 DA; no float valve required
 Approximate machine weight 9,800 lbs (4,445 kg) 10,700 lbs (4,855 kg)

Kuhn MM 701 & MM 890 Auto-Lube Grease Pump

The automatic grease pump is a field installed option and eliminates daily greasing. The grease pump sends grease through the central lubrication system to all of the daily grease points. The central lubrication system and the grease pump reduce maintenance time and keep the machine running efficiently.

Kuhn MM 701 & MM 890 ISOBUS Compatibility

To simplify operation with a wide variety of tractors, the MM 701, MM 890, MM 1101 and MM 1301 are ISOBUS compatible for plug and play capability. If the operator has an ISOBUS compatible terminal, they can control all machine functions on that screen. For controlling the machine on a non-ISOBUS tractor, an operator can purchase the VT 30, CCI 50, CCI 800 or CCI 1200 with harness running off a 12V power source. (VT 30 - only MM 701 and MM 890)

Kuhn MM 701 & MM 890 The World’s Only ISOBUS-Compatible Hay Mergers

These user interfaces save you valuable time and money in order to get you in and out of the field faster. Let’s look a bit closer into the heart of the world's first ISOBUS compatible hay mergers.

1- With the electronically controlled speed adjustment system, an operator can quickly and easily adjust pickup speed inside the cab on-the-go to perfectly match crop conditions. With this you can maximize leaf retention, especially if merging drier legumes such as alfalfa. If heavy grass crops, the pickups can also be sped up to promote faster working speeds.

2- In automatic mode, the merger will adjust pickup speed automatically as ground speed varies. This maximizes pickup efficiency while minimizing damage to crop and wear of the pickup.

3- Acre and hour counters can be used by reading the tractor's speed and machine width to aid in recording custom operations.

4- The electronic conveyor directional control allows operators to rapidly change the direction from all left, all right or split directly from the operator’s seat by simply touching the appropriate key. Operators merging in fields with varying volume throughout may find this particularly valuable.

5- Cleanout mode can be activated in the instance of a plugged machine. This feature lets the operator unplug and cleanout the machine from the cab without ever having to leave the tractor cab.

6- Pickup efficiency indicates relative capacity of the pickups giving a visual indication to the operator of machine capacity.

7- The hydraulically adjustable pickup height allows an operator to easily make changes from the terminal via the skid shoe adjustment. Height change is synchronized and accomplished through a cylinder mounted on each head. Relative height is visible via the gauge on the terminal.

your benefits

Simplicity, Versatility and Adaptability

Kuhn MM 701 & MM 890 Multiple Delivery Options

The MM 701 and 890 hay mergers can merge crop to the left, right, split or with either wing in the raised position. Both models have the ability to 50/50 split leaving all windrows with an even amount of crop for better harvesting efficiency. Having the ability to raise the wings independently is particularly useful for opening up fields, merging around field obstacles or cleaning up point rows in irregularly shaped fields.

Kuhn MM 701 & MM 890 IntelliMerge™ ISOBUS Control System

The IntelliMerge™ ISOBUS control system allows the operator to run the machine, make adjustments, receive performance feedback and carry out diagnostics. Operators can tailor their machine to field and crop conditions to maximize their efficiency.

Kuhn MM 701 & MM 890 OptiSense™ Belt Stall Indicator

The OptiSense™ belt stall indicator alerts the operator when the belts start to slow down when approaching the capacity of the machine. This gives the operator a chance to react before the machine plugs. If the belts stop, the sensor will shut down the machine to avoid damage to the belts and further plugging of the machine. The conveyor direction arrow will be red to identify the stalled conveyor. This is done by monitoring the idler roller speed on each conveyor. This feature helps the operator optimize performance, keeping the machine moving across the field for improved efficiency.

Kuhn MM 701 & MM 890 Constant Float® Suspension

A simple and effective mechanical suspension system is utilized for superior flotation. This unique design, inspired by the proven KUHN trailed disc mower, eliminates complicated hydraulic requirements and the need for tractor float valve engagement, unlike other mergers in the industry. The range of suspension on each pickup is 14” (+8”, -6”).

Kuhn MM 701 & MM 890 Narrow and Simple Transport

The simple folding design allows quick transition from field to road. Transport is a narrow 10’3” (3.1 m) wide and transport height is 12’ (3.7 m). Balanced tongue weight during transport and in the field helps you maintain control at all times. Field to transport position is accomplished quickly as only one hydraulic valve per head is used for folding.

It Starts with the Pickup

Kuhn MM 701 & MM 890 High-Capacity Pickups with Integrated Frames

Commercially designed pickups treat crop gently, yet are built and tested for extreme use. Chrome-moly tine bars greatly improve strength and wearing characteristics. The central cam design with heavy-duty sealed cam followers provide extra-long life even in the toughest conditions. KUHN high-capacity pickups are designed and built with integrated frames to improve the strength and durability of the pickups and keep the machine looking clean as there is no place for crop to catch and build up. ​

Kuhn MM 701 & MM 890  Floating Windguard and Standard Crop Netting

The floating windguard eliminates the need to make adjustments when merging different crops or cuttings. The simple geometry of the floating linkage means the windguard is automatically optimized for differing volumes of crop. The long, curved fingers provide excellent crop guidance onto the center of the belt for fluffy and even windrow creation.

Standard crop netting greatly limits leaf loss during transition to the belt and ultimately improves leaf incorporation in the windrow. You can adjust the netting from being fully extended to halfway to match your needs.

Kuhn MM 701 & MM 890 Heavy-Duty Belt Conveyors

Commercial-grade belt conveyors allow the crop to be effectively transitioned into the windrow, regardless of discharge side. The conveyor belt is self-cleaning and requires no tracking adjustments. Each conveyor has an easy-to-access splice for fast removal or replacement, if necessary due to maintenance and normal wear.

A quick-release belt tensioning system simplifies storage and routine adjustment. Easy adjustment from one side maintains uniform pressure over the width of the belt. It is recommended to take the tension off of the belts between cuttings and during the off season.

Kuhn MM 701 & MM 890 Anti-Wrapping Discs

To minimize wrapping in long crops, such as oats or long grasses, HDPE anti-wrapping discs are installed at the ends of the pickups and rotate with the tine bars. This small improvement greatly reduces the dead space where long crop can wrap, as seen with competitive pickup style mergers.

Kuhn MM 701 & MM 890 Floating Skid Shoes

Dual wide skid shoes allow each head to rapidly adapt to rolling field conditions while maintaining very low ground pressure. Floating skid shoes are a KUHN exclusive. The pivoting action allows the pickups to float over pivot tracks and rough terrain. Additionally, the special shape and pivoting of the shoe allows for self-cleaning when lifted into headland position to eliminate crop buildup. The skid shoes are reversible on their mounts for even wear and longer life.

Less Maintenance Required

Kuhn MM 701 & MM 890 Hydraulic Controls

The MM 701 and 890 require two tractor hydraulic valves to control the raising/lowering of the heads from transport to headland or working position. The suspension system on the mergers utilizes a slotted link, so the tractor hydraulic valves do not need to be put in the float position.

 The hydraulic drive pumps oil through the main hydraulic blocks on the back of each head to run all the functions including pickup speed, belt direction, and pickup height. All of these functions are electronically controlled via an ISOBUS terminal.

Kuhn MM 701 & MM 890 Central Lubrication System

The MM 890 merger is equipped with a central lubrication system; an optional feature on the MM 701. All folding and suspension components requiring lubrication are greased from a single point. This system is not just a grease bank but will ensure the proper amount of grease is routed to each location on the machine while the operator needs to only grease a single zerk. Optionally an auto-lube system can be added to further reduce the time needed for routine maintenance.

Kuhn MM 701 & MM 890 2-Point Hitch

The specially designed 2-point hitch makes hookup quick and easy. The swiveling headstock eliminates driveline chatter and allows up to 90-degree turns. A hydraulic pump dedicated to each head is housed within the hitch. The hitch on the MM 701 is Cat. 2/3N/3 quick hitch compatible. The hitch on the MM 890 is Cat. 2/3N/3/4N quick hitch compatible.

Kuhn MM 701 & MM 890 Bearing Wear Sleeves

Exclusive in the industry, standard bearing wear sleeves maximize tine bar life by providing an easily replaceable split mounting surface. If you're merging in abrasive soils, you'll especially appreciate this feature as a wear sleeve can easily be replaced, with the tine bar installed, in under one minute.

Kuhn MM 701 & MM 890 Quick and Easy Routine Maintenance

The two-piece poly tine bar bearing greatly simplifies periodic maintenance. KUHN MM hay mergers now have a new tine bolt with fewer pieces. The specially designed bolt holds itself so only one wrench is needed to change pickup tines. The proven split bearing with wear guards and anti-wrap disc also decrease time needed for regular maintenance and improve pickup reliability.





Ross Doble inc. is located in the Heart of Central Ontario.  We are a large modern dealer facility that sells Kubota, Kuhn, Krause, Hardi and Land Pride, as well as a large amount of short lines to ease your day to day rural living.  Family owned for over 70 years.  We see all makes, models and sizes - from combines to lawnmowers thru our Service doors because of our experience and low door rate. 
Sales staff listens, evaluates and recommends what fits your needs best with no pressure tactics.  Our Parts staff have over 40 years experience, they know the new and old.  The Office Manager will be more than happy to open an account for you, accepting Visa, Mastercard Credit Cards.  We are your dealer.





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