Massey Ferguson WR9900 Series of Windrowers

The Hesston by Massey Ferguson WR9900 series provide you with more power, more comfort and greater hydraulic capability than ever before, so that you can tackle all crop conditions while increasing productivity. With the WR9900 series you can produce quality hay faster, more efficiently and more comfortable.

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Models Rated HP Maximum HP Engine Headers Weight w/o Header (lbs)
WR9980 265 282 AGCO Power™ 7.4 L Disc (13’, 16’), Draper, Auger 11,420
WR9970 235 250 AGCO Power™ 7.4 L Disc (13’, 16’), Draper, Auger 11,420
WR9960 197 208 AGCO Power™ 4.9 L Disc (13’, 16’), Draper, Auger 11,305
WR9950 160 173 AGCO Power™ 4.9 L Disc (13’), Draper, Auger 11,250

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The WR9900 Series of Windrowers are packed with the latest in technology, yet easy to use. A virtual on-board computer terminal provides you access to all main operations, including in-cab conditioner roll pressure adjustment for enhanced precision and better control. There are two available monitors to choose from – the C1000 and the C2100. Both features a user-friendly interface to make it easy to monitor performance and adjust to field conditions quickly for greater precision.

This series of windrowers by Massey Ferguson features proprietary software that allows a variety of components to communicate electronically and execute many functions automatically, including automatic header speed control, automatic load control, rotatory header speed compensation and OptiCruise™ speed control.

The Autoheader Speed Control makes it so the tractor maintains consistent disc header RPM for consistent cutting and conditioning when engine RPMs are pulled down due to cutting high-yielding areas in the field or when navigating steep terrain.

You can steer the WR9900 series from the rear axle when you opt for the industry-exclusive RearSteer™ feature. By being able to steer from the rear axle you can improve operator comfort, handling and road transportation, plus you can move faster without reversing travel direction with the 24.5 mph speeds.


With AGCO’s most powerful engines ever, the top model of the WR9900 series is capable of producing up to 265 engine horsepower. These engines are designed to standup to the rigors of agricultural use.

These windrowers also feature the latest in hydraulic drives to deliver greater power to the header drive system and increasing performance and productivity. The electronically-controlled hydraulic drive increases throughput by handling power from the engine and delivering more flow to the header. Additional power, functionality and control is provided by dual hydraulic hookups combined with the new tandem hydraulic drive.

The WR9900 series offers greater cooling and fuel efficiencies with the V-Cool™ advanced cooling system. The auto-reversing air direction makes for maintenance-free self-cleaning.

You also get greater header flexibility with the WR9900 series of windrowers thanks to the 9200 series disc and auger and the 5400 series draper so you can use one windrower for everything from canola and alfalfa to tall grass.  All allow you to maintain superior cut and windrow formation while experiencing improved capacity and greater control with the WR9900 series.


Several features on the WR9900 series of Windrowers ensure you can see more and do more for longer, with less operator fatigue. These comfort enhancements all come standards – everything from foot pegs and an improved lighting package to a larger seat and industry-leading cab suspension system.

Operator comfort is centered around the new, larger VisionCab™. A rounded front windshield provides you with an unobstructed view of everything around you, including the header. Inside you will find the now standard deluxe semi-active seat that provides a smoother ride by moving not just side to side but forward and back. The Oscillating GlideRider™ is a suspended rear axle system designed to absorb bounce and shock produced by rough terrain.

Operators are provided with greater visibility in low light conditions with eight front-mounted and two rear-mounted lights. Optional LED lights provide even greater visibility.

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