Performance and reliability designed into all-new Challenger MT600 series tractors

AGCO Corporation
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The all-new MT600 Series tractors are designed with unmatched performance, power, reliability and operator comfort. The largest in the Challenger wheeled tractor family, these tractors have what it takes to handle the toughest of jobs.

The MT600 Series tractors come in four models ranging from 160 horsepower to 225 horsepower.

  • MT635 – 160 PTO horsepower (119 kW)
  • MT645 – 180 PTO horsepower (134 kW)
  • MT655 – 200 PTO horsepower (149 kW)
  • MT665 – 225 PTO horsepower (168 kW)

Power and Performance
All Around No matter which model is chosen, dependability is standard on every MT600 Series tractor. Powered by rugged six-cylinder engines, these tractors are built to the most demanding standards and quality control in the industry. Extra power is always in reserve, thanks to torque rise as engine rpms fall under load. This increased pulling power reduces the need to downshift as the engine lugs, and reduces stress on the tractor, implements and the operator. All engines meet EPA emissions standards.

Each Challenger MT600 Series tractor comes standard with an electroniccontrolled 18F/6R Powershift transmission. With 18 speeds forward and six in reverse, these machines have 20 percent more working and transport speeds than competitors. The Challenger Powershift transmission is a unique Dual Control system. The level in the right armrest controls pulse speed changes and park. The lever to the left of the steering wheel, changes speed by sequential shifting and controls the forward/reverse shuttle. And in forward speeds F11 through F18, the Speed Matching feature can be automatically downshifted to keep engine speed and ground speed in balance.

For consistent power at very slow ground speeds, a creeper option is available. The creeper feature is invaluable when tilling hard ground or handling other tough, low-speed situations.

The MT600 Series tractors are equipped with a Power Front Axle (PFA) system with center-line drive. The front axle pivots around the differential pinion shaft which eliminates the need for universal joints in the drivetrain from the transmission shaft. The PFA mode is memorized when the tractor stops and reactivated when restarted. This mode disengages at speeds above 9 mph and reengages at speeds below 8.4 mph. The PFA can be overridden if necessary.

A Closed Center pressure and flow-compensated hydraulic system delivers up to 2,900 psi at 29 gallons/minute of total on-demand flow for steering, remote valves and the 3-point hitch. An optional 39 gallon/minute high-flow system is available. The Touchmaster Hydraulic Control System uses a joystick in the armrest to control two spool valves and can be combined with manual hydraulic levers to create a 4-valve system. Using this system with the Power Performance Display System, allows two flow settings per valve, and up to 60 seconds timing per valve. Other tractors in the industry allow only up to 19 seconds per valve.

The MT600 Series tractors come with an electronic-controlled, Category II, III or IIIN 3-point hitch. These 3-point hitches have up to 40 percent more lift capacity than any other machine in its class, with the three largest models capable of lifting more than 19,000 pounds. Each tractor comes standard with a heavy-duty drawbar for drawn implements, trailers or other wheeled equipment.

The ProMax Implement Response Control System, a digital electronic operating system that works with the Electronic Linkage Control (ELC), controls discs, cultivators and other mounted implements. The ELC operating system automatically adjusts the working depth of mounted implements for full draft control. When the ELC signals to lift or lower the rear linkage, the ProMax system generates signals to control implement depth.

All MT600 Series tractors come standard with premium Michelin Agribib™ tires with super-flex sidewalls for better ground contact and unique R1W parallel-side lugs that help maintain excellent traction even when the tread is 70 percent worn.

Absolute Operator Comfort The spacious MT600 Series tractor cab provides total control, accessibility and visibility in a comfortable, controlled environment. The forward-positioned seat, 61- square feet of glass and the exhaust stack positioned along the cab post, give the operator unobstructed visibility.

The cab is easily accessible through doors on both the right and left sides of the tractor. The deluxe air-ride swivel operator’s seat has a multitude of adjustments for height, reach and comfort. There is also a fold-out instructional seat complete with a seat belt, footrest and backrest. The tilt-steering column positions both the steering wheel and the column-mounted controls. The instrument panel includes PTO speed and ground speed digital displays.

Fieldstar Precision The Fieldstar Precision Agriculture System takes precision farming to a whole new level and each Challenger MT400 Series tractor can be equipped with the Fieldstar system.

This system provides comprehensive implement operations and complete tractor monitoring and controls. It automatically monitors attached implements and provides information to the operator.

Only Fieldstar features the exclusive DataTOUCH? Command Center terminal, the most advanced, state-of-the-art monitoring terminal on the market today. With this compact, easy-to-read touch-screen display, the operator can control all the functions of the in-cab system. The touch-sensitive screen lets the operator program functions, set up GPS systems, collect field data and much more, by simply touching the liquid crystal display. No matter what the application, no additional monitors are needed.

The Fieldstar system does it all…collects data, identifies field variations, analyzes variable situations and implements decisions. With the Fieldstar Office Package Software, it can process raw data into maps and reports, then export that information to other precision farming computer programs. The system is fully programmable, so new implements can be added with the comfort of knowing that the system will stay up-todate.

Unsurpassed Service and Support The MT600 Series tractors are sold, serviced and supported by Caterpillar dealers. The Caterpillar dealer network is world-renowned as the best-trained, most responsive dealer in the business. They are second to none in on-location service. Each dealer is linked to a 24-hour-a-day parts network to minimize downtime and maximize productivity. Their mobile service trucks carry more tools and diagnostic equipment than most repair shops.

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