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Passcode-protected TechControl display enables quickly setting or changing mowing speed, turning speed, or transport speed to limit variations in performance by different operators.
Quickly adjust the mow or transport speed to make sure mow speed is what is needed for the changing conditions. The setting can be adjusted precisely using a speedometer app on a smartphone or GPS device.
Use the TechControl to slow the machine during turns while mowing and protect against turf scuffing and aggressive turning operators.
The turn speed control engages when in mow and the cutting units are lifted for turns. Once the turn is made and the cutting units are lowered, the machine speed returns to the set mow speed.
The turn speed is a percentage of mow speed. When set to 100 percent, turn speed control is off or allows 100 percent of the mow speed in turns. Turn speed setting of 50 percent allows only 50 percent of the set mow speed to be reached during turns.
Here is an example:
Mow speed = 6 mph (9.66 km/h)
Turn speed set at 50 percent
Maximum turning speed will be 3 mph (4.83 km/h)
The TechControl also has a weight transfer setting for the 9009A TerrainCut™ Rough Mower. The weight transfer system allows the turf manager to customize the machine for course conditions. The weight transfer allows movement of weight from the rotary decks to the traction tires providing improved traction for hilly terrain.
The system setting allows adjustment between five settings 0, 1,2,3,4.
The initial setting for the weight transfer should be two as this represents the middle of the adjustment range providing excellent traction while also providing good contouring for the decks.
If additional traction is needed, increasing the number adds more weight to the traction tires. If more contouring is desired, decreasing the number increases deck contouring. The 0 setting means no deck weight is being transferred to the traction tires.
The drop rates of the decks can be adjusted to slower rates in soft turf conditions. This improves the ability to control the speed of the decks to the ground when lowered to ensure a premium cut quality.
The A-model PrecisionCut™, E-Cut™ Hybrid, and TerrainCut™ mowers have the latest in advanced diagnostics through the TechControl display. Most all diagnostics are performed while sitting in the operator’s seat.
The TechControl has onboard visual diagnostics allowing quick and easy machine diagnostics, maximizing up time. The system will allow technician to see inputs and outputs of the electrical system. Also, the technician will be able to see stored controller codes on the machine to aide in troubleshooting incidents that may have occurred while on the course.
The TechControl will also display the notification for maintenance of the hydraulic and engine oils using service timers to notify when it has reached the time to perform the required service.
Choose from a list of several languages to use for the TechControl.
Operator warning notifications are incorporated into the TechControl and will alert the operator if a problem arises during operation.
Hydraulic over temp
Hydraulic oil filter restriction
Engine oil pressure low
Engine coolant temperature
The 8800A and 9009A TerrainCut™ Rough Mower puts stripes on the roughs as straight as they are on the greens. Utilizing the same style steering cylinder as found on the 2500B PrecisionCut™ Mower, 2500E E-Cut™ Hybrid Riding Greens Mowers, PrecisionCut and E-Cut™Hybrid Fairway Mowers, the 8800A and 9009A TerrainCut Rough Mowers can mow the straightest lines of any rough mower in the industry today.
Traditional hydraulic cylinders have a rod on only one side of the cylinder. The cylinder on the 8800A and 9009A TerrainCut Rough Mower has one rod that goes through both sides of the cylinder. This equalizes volume and pressure on both sides of the cylinder packing, helping the operator make perfectly straight lines with little effort.
This system also equalizes the steering effort, meaning easy turns whether turning to the right or to the left.
The steering system is all about proven technology, not only with the cylinder itself, but also with the linkage system connecting the cylinder to the steering tires. The linkage system on the 8800A and 9009A TerrainCut Rough Mower has been used in John Deere Golf since 2008 and is common with the popular 5000 Series John Deere Utility Tractors, which already had proven reliability and durability with operators worldwide.
The 9009A TerrainCut™ Rough Mower is the lowest weight at 27 in five-gang rough mower on the market. The lower weight helps reduce the overall foot print in fine turf conditions reducing compaction and turf stress. Along with the lower weight, the 9009A features 26.5 x12-12 turf tires for low footprint and maximum traction in the toughest conditions. This combination provides a strong traction package with low levels of ground compaction.
One common element among John Deere golf mowing products, reel or rotary, is that adjustments are quick and easy. The 9009A and 7400A TerrainCut™ Mowers are no different. All height-of-cut adjustments can be performed without tools with an innovative notch system, similar to what is included on the Quick-Adjust 5 and Quick-Adjust 7 reel cutting units.
To adjust the height of cut on the 9009A and 7400A TerrainCut, pull the levers at each end of the front and rear rollers outward. With the levers pulled out, give a quick tug to disengage the teeth in the notches. This allows the rollers to rotate upward and downward freely and easily.
Locate the height-of-cut indicator on the inside of the adjuster arm and line up the tabs or use the top edge of the adjuster arm to line up the height on the gauge located on the outside. Re-engage the notches by rotating the levers back inward to lock the height of cut into place. No tools are needed to complete the adjustment.
The adjustments must be performed on both the front and rear roller, and both rollers have the same adjustment process. A height-of-cut label is also located on the rear of the deck to serve as a guide for setting the height of cut.
The height of cut is adjustable 3/4 in. (1.9 cm) to 4 in. (10.2 cm), in 1/4-in. (0.64-cm) increments.
The height-of-cut system has been redesigned from prior models to include a longer and stronger handle. Hardened notch material is used to improve durability and resistance to rust and debris.
The 9009A TerrainCut and the 8900A PrecisionCut utilizes the same eHydro traction pump and wheel motors in the A-model take performance, traction, and operation to the next level. This is combined with the standard GRIP system that reduces wheel slip by sending flow from the front wheel to the opposite rear wheel.
The system is designed to take on the most challenging course conditionsideal for undulating terrain, providing superior performance and traction out on the course.
The traction system in the A-models is driven by a servo-controlled hydrostatic pump. The control of the pump is no longer mechanical linkages, but instead it is electronic. The design reduced the complexity of the drive system meaning no more linkages to adjust or repair decreased routine maintenance and providing reliable day-in/day-out operation.
The end result is more options for mowing different terrain then just straight up and down. The standard GRIP system ensures that when mowing slopes on an angle the high side tire maintains tractions unlike like mechanical systems used on other rough mowers. This increases productivity in tight areas and reduces damage to turf from wheel slippage.
The operator will benefit from eHydro, too. The pedal effort has been reduced, reducing the foot fatigue during many hours of mowing.
LoadMatch is an electronic setting through the TechControl display that allows managers more control of the machine and how it is operated when out on the course.
Most operators will mow as fast as the mow setting will allow, keeping their traction pedal all the way down. However, in some conditions this can lead to poor cut quality.
One example is getting behind in mowing due to weather conditions. The grass is long and lush and to properly cut that amount of grass at one time, the operator should slow the traction speed. This allows the cutting units to maintain proper turning speed, process the grass, and properly cut in one pass. Not slowing down causes missed grass and an uneven appearance. This affects the after-cut appearance and also reduces productivity by having to mow a second time to properly cut the lush grass.
The LoadMatch feature compensates the traction speed of machine to keep power to the cutting units. In the long, lush conditions described above with LoadMatch engaged, the operator would still have the traction pedal all the way down, but the machines would sense the load and slow the traction speed to properly cut the mowing pass. Once the load is reduced, the machine will return to the normal mow speed.
LoadMatch puts the manager in control of cut quality, instead of the operator.
The AutoPedal feature controls engine rpm and transport speed of the machine through the eHydro™ foot pedal controls. AutoPedal is similar to an automobile gas pedal operation; the more the forward pedal is pressed, the faster the machine moves and the higher the engine rpm; pressing the pedal less, the slower the machine moves and the lower the engine rpm.
On conventional machines, the engine rpm is controlled by the operator by means of a manual or electric/manual throttle. Operators are trained to always operate the engine at wide-open throttle. Running at wide open throttle means running the engine at its fastest speed, which increases the sound levels and fuel usage.
The AutoPedal system allows the engine to only run as fast as needed, meaning that as operators transport around the course, the engine speed is only as fast as needed for the transport speed. If the operator approaches play and stops, the engine rpm goes to idle. This makes transporting quieter and since the engine does not run full speed all the time, it reduces fuel consumption.
Once the operator reaches the mowing site, engages the mow switch on the CommandARM™ controls, the engine rpm automatically increases to full throttle for mowing.
The 9009A and 7400A TerrainCut™ Mowers 27-in. (68.6-cm) deck features a deck design with an asymmetric rear discharge cutout and molded chute to promote better airflow, leading to improved clipping dispersal and cut quality.
The unique shape of the deck shell cutout includes a heavily rounded opening on one side that gradually transitions to a larger opening on the other side of the cutout, allowing the grass to exit the deck evenly while significantly reducing the possibility of the deck congestion. This design incorporates deck structure along the bottom of the discharge area that reduces sound power, does not affect cut quality negatively, and acts as a foot guard eliminating the need for an external guard that can lead to external grass build up which can be dropped in the mowing pass over time.
When the asymmetric deck shell discharge shape is used in combination with the asymmetric discharge chute, this deck outperforms the competition in cut quality by minimizing clumping with smooth transitions and guiding the discharge material in a more dispersed pattern.
The improved dispersal will lead to less clean up and blowing, allowing machines to mow earlier in the day while saving time and reducing labor.
The proper blade selection for heights of grass, grass type, and sharp blades are keys to improved cut quality and dispersal. The removal of no more than one third of the grass blade is recommended. During heavy growth times it may require changing blades, mowing more often or raising the height of cut to improve clipping dispersal.
The 9009A TerrainCut™ Rough Mower is equipped with five and the 7400A TerrainCut Trim and Surrounds mower is equipped with three 27-in. (68.6-cm) stamped rotary decks for superior productivity and strength. The rotary decks perform exceptionally well across a wide range of grass types, including warm- and cool-season grasses.
A strong stamped, 10-gauge shell construction is an integral part of this durable deck. The stamped design uses a single piece of steel to form the shell that provides consistent strength throughout all areas of the deck. This is the starting point of the strength and durability of the deck construction.
Surrounding the deck is a tough, steel frame designed to protect the deck shell. It all starts with the frame on top of the deck which is then bolted to the shell providing extra protection. The front and rear roller brackets are attached to the framework, so as the front and rear rollers encounter obstacles, the force is transferred through the frame rather than through the deck shell. This design also decreases the distance from the blade tip to outside edge of the deck for closer trimming around objects like trees and fences.
An angled skid plate between the front roller and deck shell helps protect the front lip of the deck from tough terrain such as tree roots or other objects. The skid plate helps move the deck over the object to prevent the front edge from contacting and damaging the deck shell. The side of the deck also has additional protection to increase durability with a 1.5-in. (38-mm) tall and 0.5-in. (12.7-mm) thick steel stock welded to the decks edge.
Roller brackets are cast steel with extended housings to effectively protect the roller bearings from a wide range of debris types. The large front rollers are greaseable to help purge water and debris and use snap rings to ensure bearings stay in place, increasing durability and longevity of the front rollers.
For superior traction with a true hydraulic four-wheel-drive (4WD), the GRIP all-wheel drive traction system is standard equipment on the 8800A and 9009A TerrainCut™ Rough Mowers. This system reduces wheel slip by sending flow from the front wheel to the opposite rear wheel.
For example, if the front-right wheel starts to slip, hydraulic flow is diverted to the left-rear wheel to maintain positive traction. By allowing the flow to cross over to the opposite rear wheel, the system maintains traction not only while climbing straight up hills, but also on side-hills.
The GRIP all-wheel drive traction system is always engaged when driving forward with the 8800A and 9009A TerrainCut Rough Mowers. There are no electronics to engage the 4WD system, simplifying the electrical system and the design of the valve at the rear of the machine.
In reverse, a standard switch is provided that disengages 4WD. The switch senses the reverse pedal has been depressed and shuts off flow to the rear drive wheels. This ensures the front drive tires are doing the work in reverse rather than the rear tires, minimizing wheel slip and scuffing of turf when backing up an incline.
The end result is more options for mowing different terrain than just straight up and down. The GRIP system ensures that when mowing slopes on an angle, the high side tire maintains tractions unlike like mechanical systems used on other rough mowers. This increases productivity in tight areas and reduces damage to turf from wheel slippage.
|Select up to 4 models to compare specifications||
|Type||Direct Inject Turbocharged Diesel B20 compliant|
|Compliant emission regulation||United States/Canada Final Tier 4|
|Horsepower||Maximum rated horsepower
41.1 @ 2800 rpm ISOC kW
55.1 @ 2800 rpm ISOC hp
127.6 cu in.
|Air cleaner||2-stage dry element|
|Cooling system||Liquid centrifugal pump; forward machine location for optimum cooling|
|Traction drive||eHydro? servo controlled hydraulic traction pump provides flow to All-wheel-drive GRIP system; GRIP traction provides hydraulic flow between front and opposite rear wheel for increased traction to reduce 'high side tire slippage|
|Drive pump||Tandem gear pump|
|Cutting units drive||Direct-coupled hydraulic gear motor|
|Hydraulic system capacity||45.4 L
12 U.S. gal.
|Fuel tank capacity||60.6 L
16 U.S. gal.
|Steering||Hydraulic power with dual rod, double acting steering cylinder|
|Front drive tires||20x12-10 4PR Turf|
|Steering tires||26.5x14-12 6PR Ultra Trac|
|Ground pressure||82.7 - 124 kPa
12 - 18 psi
|Brakes||Internal hydraulic wet disc brakes with dynamic braking through closed loop hydrostatic system|
|ROPS||Standard, meets ISO 21299 standards|
|Cutting units lowered||1814.37 kg with decks up
4000 lb. with decks up
|Throttle||No throttle lever; Automatic controls with AutoPedal foot controls; manual control through TechControl display|
|Mower lift||One-touch single handle|
|Parking brake||Electric Switch on Command Arm for Internal Wet Disk Brakes|
|Seat||Air Ride Suspension seat with seat belts and arm rest; fore/aft adjustment; weight and lumbar adjustment|
|PTO||Electric Switch on Command Arm for quick and easy transition from mow to transport|
|Ignition||Key Switch on Command Arm|
|Work lights||3 standard work lights in front|
|Tilt steering||Left Foot operated for easy adjustment|
|Operator display||TechControl Display: Located on Command Arm; displays machine warnings, on-board electrical diagnostics; service timers on large easy to read screen; quick on the go settings for mow and transport speed; Turn Speed; LoadMatch? and ON/OFF Weight Transfer and Cruise Control Use selection:; Cutting unit drop rate adjustment; ALL settings are pass code protected|
|Storage||Operator storage located on left side for easy access from operator seat|
|Height with ROPS||2220 mm
|Transport width||2287 mm @ 101.60 mm height of cut
90 in @ 4 in height of cut
|Mowing position width||2.74 m; 17.15 cm overlap between front and rear decks
9 Feet; 108 in; 6.75 in. overlap between front and rear decks
0 - 12.8 km/h
0 - 8 mphTransport
0 - 20.12 km/h
0 - 12.5 mphReverse
0 - 6.4 km/h
0 - 5 mph
|Total width of cut||2.74 m; 17.15 cm overlap between front and rear decks
9 Feet; 108 in.; 6.75 in. overlap between front and rear decks
|Height of cut||Construction
single sheet 10-gauge steel stamped deck with front skid plate 1.5 inch (38mm) tall and � inch (12.7mm) thick steel stock welded to the decks edge
1.91 to 10.2 cm; no tool adjustment
.75 - 4 in; no tool adjustment
|Frequency of clip (FOC Reels) or Blade tip speed (decks)||Rollers
Rear: 7.62 cm
Rear: 3 in.
Front: 12.70 cm
Front: 5 in.
|Operator ear full engine||90 dBA|
|Operator ear reduced engine rpm (2300 rpm)|
|Measuring standard||ISO 11201|
|Actual fuel usage will vary depending on course conditions, operation, turf and fuel quality||25% load 3.63 Liters per hour (.96 GPH)
40% Load 5.64 Liters per hour (1.49 GPH)
50% Load 6.85 liters per hour (1.81 GPH )
|Type||ANSI B71.4-2012.; CE|