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John Deere 8900A PrecisionCut

John Deere 8900A PrecisionCut Product Photo
Feature Overview
John Deere 8900A PrecisionCut
  • The 8900A features a width of 114 to 130 inches depending on cutting unit size, giving more productivity in terms of acres mowed per hour.
  • Another productive advantage of the 8900A is the 8 miles per hour mowing speed.
  • Be productive but carry a light footprint: the 8900A comes in significantly lighter than its main competitor.
  • Versatility is a hallmark: 8900A has 26" and 30" verticutters and large capacity reel motors for scalping during over-seed operations.
Maximum rated horsepower At 2800 rpm ISOC: 41.1 kW / 55.1 hp
Mowing speed 0-12.8 km/h / 0-8.0 mph
Cutting unit size Quick Adjust QA7: 66 or 76 cm / Quick Adjust QA7: 26 or 30 in.
Ask a John Deere Specialist

TechControl display TechControl display
Password-protected settings Password-protected settings
More control with the TechControl display with a large easy-to-read screen

Passcode-protected TechControl display enables quickly setting or changing mowing speed, turning speed, or transport speed to limit variations in performance by different operators.

Mow setting screen Mow setting screen

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 global positioning system (GPS) device.

Turn-speed setting screen Turn-speed setting screen

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 = 9.66 km/h (6 mph)
Turn speed set at 50 percent
Maximum turning speed will be 4.83 km/h (3 mph)

Input/output screen Input/output screen
Service timers screen Service timers screen

The A-model PrecisionCutâ„¢ Mowers, E-Cutâ„¢ Hybrid Mowers, and TerrainCutâ„¢ 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 allows technician to see inputs and outputs of the electrical system.  Also, the technician can 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.

Language settings Language settings
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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.

 

 

Description

Hydraulic over temp

Hydraulic oil filter restriction

Engine oil pressure low

Engine coolant temperature

Reel motor

Battery voltage

Large wheel motors Large wheel motors
eHydro traction pump eHydro traction pump

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.

Forward/reverse pedals Forward/reverse pedals
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The operator will benefit from eHydro, too. The pedal effort has been reduced, reducing the foot fatigue during many hours of mowing.

Standard GRIP all-wheel drive Standard GRIP all-wheel drive
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For superior traction with a true hydraulic four-wheel drive (4WD), the GRIP all-wheel drive traction system is standard on the 8900A Large-Area Reel Mower. 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, as well.

 

The GRIP all-wheel drive traction system is always engaged when driving forward. 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 that the reverse pedal has been depressed and shuts off flow to the rear drive wheels. This ensures that 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.

Steering cylinder and linkage system Steering cylinder and linkage system

For superintendents who want stripes as straight as they are on the greens, the A-model PrecisionCutâ„¢ Mowers and E-Cutâ„¢ Hybrid Mowers do exactly that. Utilizing the same style steering cylinder as on the 2550 PrecisionCut and 2550 E-Cut Hybrid Riding Greens Mowers, the PrecisionCut and E-Cut Hybrid Mowers can mow the straightest lines of any mower in the industry today.

 

Traditional hydraulic cylinders have a rod on only one side of the cylinder. The cylinder on the A-models 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.

Front tire Front tire
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The 8900A PrecisionCutâ„¢ Large-Area Reel Mower is light weight to provide excellent results on the golf course. The lower weight helps reduce the overall foot print in fine turf conditions reducing compaction and turf stress. Along with the lower weight, the 8900A 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.

Easy access for cleaning Easy access for cleaning

Easier daily maintenance points are designed into the machine to assist operators with complete daily maintenance and to keep the machine running at peak performance, saving valuable time and money.

 

For ease of service, all daily engine checks are easily accessible by raising the hood. These service points include an engine-oil level check, a coolant level check, hydraulic fluid level, and an air-restriction indicator.

 

The A-model PrecisionCutâ„¢ Mowers, E-Cutâ„¢ Hybrid Mowers, and TerrainCutâ„¢ Mowers feature a radiator screen that is easily removed without tools and a tilt-out oil cooler for easy cleaning.

LoadMatch setting LoadMatch setting

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 machine 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.

AutoPedal AutoPedal
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The AutoPedal feature controls engine rpm and transport speed of the machine through the eHydroâ„¢ 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 CommandARMâ„¢ controls, the engine rpm automatically increases to full throttle for mowing.

Verticutter blades Verticutter blades

Many of the hybrid turfgrasses require aggressive maintenance practices to stimulate new lateral and vertical growth for a true and healthy playing surface. Frequent, light verticutting is an integral part of properly maintaining these cultivars as well as some of the more traditional turf types.

 

The Quick-Adjust 7 (QA7) verticutters for the 8900A  PrecisionCutâ„¢ Large-Area Reel Mower and the 7200A and 2653B PrecisionCut Trim and Surrounds Mowers  make it easy to accomplish this task with quick adjustments and durable verticutter blades. The 7-in. (17.8-cm) verticutter blades are designed for efficient, consistent cutting and come in 26-in. (66.0-cm) or 30-in. (76.2-cm) widths to maximize productivity.

 

For aggressive results, run the verticutters in the reverse direction by swapping the hydraulic lines to reverse the direction of flow at the reel motor.

Speed Linkâ„¢ depth system Speed Linkâ„¢ depth system

In addition to the blade configuration, the QA7 verticutter features a depth system that is truly easy to adjust. A simple front roller design allows for paralleling the roller to the verticutter blades for a premium cut.

 

Depth is fine tuned with the rear roller. The Speed Link height-of-cut system is a popular feature on the QA7 reel cutting units, and the same system has been integrated in the QA7 verticutter as well.

 

The Speed Link system ties both ends of the rear roller together with a spring-loaded rod, meaning adjustments can be performed from either end of the rear roller, automatically adjusting the other side at the same time. A worm gear design in the rear roller towers means that as one side is adjusted, the other side turns the exact same amount.

 

Adjusting rear cutting units is now easier than ever. Adjustments can be performed by an electric drill or pneumatic tool with a 0.63-in. (16-mm) socket in seconds, saving time and money while getting the job done with high quality and efficiency. Maximum depth for operating the verticutters is 0.13-in. (3.2 mm).

 

Travel speed will be reduced during verticutting based on blade depth setting and turf conditions. Maximum recommended travel speed with verticutters is 3 mph (4.83 km/h).

 

Additional blades or removing of blades may be required and is dependent on the traction unit verticutters are being installed. Please check the operator’s manual for correct set up.

 

NOTE:Electric or pneumatic impact tools cannot be used with the Speed Link depth system.

Key Specs
Mowing speed 0-12.8 km/h
0-8.0 mph
Cutting unit size Quick Adjust QA7: 66 or 76 cm
Quick Adjust QA7: 26 or 30 in.
Maximum rated horsepower At 2800 rpm ISOC: 41.1 kW
55.1 hp
Controls
Throttle Automatic controls with AutoPedal foot controls; manual control through TechControl display
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; Loadmatchâ„¢ and ON/OFF Cruise Control Use selection: all settings are pass code protected
Forward/reverse 2-pedal
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
Ignition Key start
Work lights Standard 3 front work lights
Tilt steering Left Foot operated for easy adjustment
Storage Cup holder; two-way radio located in Command Arm; large operator storage located on left hand side of operator station
Cutting Units
Total width of cut 289.5 or 330.2 cm
114 or 130 in.
Reel diameter 17.8 cm
7 in.
Frequency of clip (FOC Reels) OR Blade tip speed (decks) Rollers
Front and rear: 76.2 mm
Front and rear: 3 in.
10 Blade: 1.06 mm/km/h
10 Blade: 0.067 in./mph
8 Blade: 1.33 mm/km/h
8 Blade: 0.084 in./mph
Number Five
Size Quick Adjust QA7: 66 or 76 cm
Quick Adjust QA7: 26 or 30 in.
Height of cut
QA7: 6.3-50.8 mm
QA7: 0.25-2.0 in.
Bedknife adjustment Reel to bedknife
Backlapping Standard; pressure sensing flow compensating backlap valve; manual reel speed adjustment
Dimensions
Height with ROPS 2200 mm
87 in.
Length 2825 mm
111 in.
Transport width Quick Adjust QA7 (with 66 cm / 26 in.): 2194 mm
Quick Adjust QA7 (with 66 cm / 26 in.): 86.38 in.
Quick Adjust QA7 (with 76 cm / 30 in.): 2385 mm
Quick Adjust QA7 (with 76 cm / 30 in.): 93.90 in.
Mowing position width QA7 (66 cm / 26 in.) 3275 mm
QA7 (66 cm / 26 in.) 129 in.
QA7 (76 cm / 30 in.) 3695 mm
QA7 (76 cm / 30 in.) 145 in.
Wheelbase 1585 mm
62.4 in.
Ground speed Mowing
0-12.8 km/h
0-8.0 mph
Transport
19.2 km/h
12 mph
Reverse
9.6 km/h
6 mph
Engine
Type Direct Inject Turbocharged Diesel
Compliant emission regulation United States and Canada Tier 4
Horsepower Maximum rated horsepower
At 2800 rpm ISOC: 41.1 kW
55.1 hp
Cylinders Four
Displacement 2.091 L
127.6 cu in.
Air cleaner 2-stage dry element
Fuel Diesel up to B20 compliant
Cooling system Liquid centrifugal pump; forward machine location for optimum cooling
Operating weight
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Sound levels
Measuring standard ISO 11201
Attachments installed FTCs, reels engaged
Vehicle
Ground pressure 83 kPa
12 psi
Cutting units drive Hydraulic motor to each cutting unit
Hydraulic system capacity 37.8 L
10 U.S. gal.
Fuel tank capacity 60.6 L
16 U.S. gal.
Steering Hydraulic power with double acting steering cylinder
Front drive tires 26.5x14-12 turf
Steering tires 20x12X10-8 turf
Brakes Internal hydraulic wet disc brakes with dynamic braking through closed loop hydrostatic system
ROPS Standard; meets ISO 21299 Standard
Drive pump Tandem gear pump
Warranty
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*Manufacturer's suggested price. MSRP may be different in California. Taxes, freight, setup, and delivery not included. Optional accessories and attachments not included. Equipment, models and prices may vary by dealer. Product options and accessories may not be available in all regions. The engine horsepower and torque information are provided by the engine manufacturer to be used for comparison purposes only. Actual operating horsepower and torque will be less. Refer to the engine manufacturer’s website for additional information. Offers valid in the United States. Prices in U.S. dollars.
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