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Kubota KX91-3 Super Series 2
Super Series Compact Excavators
New Level of Performance.
Dig Deeper, Reach Farther, Work More Efficiently.
With its wide assortment of innovative features, including Kubota's Float Angle Blade, the compact KX91-3 Super Series 2 is the ideal choice for the job.
The Kubota KX91-3S2 is loaded with features that make it the smart choice for your digging or dozing needs. Now, an exclusive hydraulic Float Angle Blade is available, so you'll complete your backfilling chores quickly and easily. Plus, with its hydraulic versatility, powerful and clean-running engine, and more, the KX91-3S2 will boost your efficiency and productivity. It offers all the tools you need to get the job done in comfort, and on time.
Hydraulic Angle Blade
  Save time and work more efficiently. With a simple movement of the dozer lever, the hydraulic angle blade can be angled to the right or left to push soil to the side as the machine moves forward, eliminating the need for repetitive repositioning at right angles when backfilling trenches.
Tight Spots
The angle blade lets you work efficiently in confined spaces, alongside walls, and near busy roads. No wider than the tracks, it's also easy to transport between jobs.
Easy Operation
Up, down, left and right -- the angle blade can be moved and positioned with just a single lever.
Float Position
You don't need to adjust the dozer height to make a clean ground surface -- after backfilling, just travel backward along the covered ditch with the dozer in the float position. Ground finishing work is now fast and easy!
| What makes Kubota's KX91-3S2 Angle Blade excavator so productive? Check it out. |
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With Angle Blade
Moving only in a forward direction at one time, which is equivalent to a trencher backfilling its one side, the KX91-3S2 Angle Blade excavator backfills smoothly and efficiently. |
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Without Angle Blade
Without the angle blade feature, time-consuming, repetitive repositioning at right angles to the trench is required. |
Comfort that keeps you working at peak efficiency.
Spacious Operating Area With Deluxe Suspension Seat
More spacious than standard tail-swing excavators, the KX91-3S2's comfortable operating area helps reduce operator fatigue. The high-back deluxe suspension seat is equipped with wrist rests. The height and spring firmness are adjustable, ensuring optimum comfort for every operator.
Convenient Two-Partern Selection System (TPSS)
Change between ISO and SAE operating patterns with a quick flip of the TPSS switch, without tools or leaving your seat.
User-Friendly Operation
1. Simple forefinger operation. Used for some special applications that require continuous oil flow, such as a brush cutter. The on/off button controlled by the forefinger reduces operator fatigue.
2. Short stroke operating levers. The operating levers require less effort and shorter movements, ensuring improved control, responsiveness and comfort, and reduced operator fatigue. Only a flick of the wrist is needed for smooth excavator operation.
3. Proportional flow auxiliary switch. A convenient bi-directional switch enables easy operation of hydraulic thumbs and other hydraulic attachments, such as augers and breakers.
4. 2-speed travel switch. The 2-speed travel switch is mounted on the dozer lever for easy operation and control, and advanced, user-friendly travel speed changes.
5. Wrist rests. Adjust the custom wrist rests to your favorite position, or just move them aside. Either way, they help reduce arm movement and operator fatigue for increased job efficiency.
Efficiency and Performance
The power and versatility to take on a variety of jobs.
Wide Working Range
The KX91-3S2's powerful and responsive front working group can handle all your digging, lifting, and loading jobs. With its increased bucket capacity and improved reach and digging depth, the KX91-3S2 meets or exceeds most job requirements on the construction site.
Strong Bucket Breakout Force
Even when heavily loaded, the KX91-3S2 won't slow down, thanks to its class-leading breakout force. WIth the dedicated or quick coupler bucket, the bucket breakout force exceeds 8,059 lbs. That's more than enough for even the toughest excavating jobs.
Clean-Running Kubota Engine
Powerful and dependable, the KX91-3S2's diesel engine delivers superior horsepower and performance. It offers low noise and vibration levels, exceptional fuel efficiency, and complies with the EPA's interim Tier IV emissions regulations.
Auto Idling System
Save fuel with Kubota's Auto Idle. Reduce engine RPM instinctively when high engine speed isn't needed. When the control levers are in neutral for more than 4 seconds, the engine RPM automatically idles. Move any control lever and the engine RPM immediately returns. This innovative feature reduces noise and exhaust emissions while reducing operating costs.
Adjustable Maximum Oil Flow Control for Auxiliary Port
This unique function lets you control the oil flow according to your needs or the attachment in use. It eliminates the hassle of using tools to change settings manually, so you don't have to leave the cabin. When using a tilt bucket, you can slow the flow to get just the right control to gently shape a swale. Alternatively for a brush cutter, direct the oil flow to one side of the excavator arm. The system will even store you settings for the next time you need it, saving time and quickly regulating the flow requirements. Adjustable oil flow enhances performance and saves fuel.
Digital Panel
A digital panel and the Kubota Intelligent Control System (KICS) help reduce excavator downtime and repair fees by providing accurate and timely diagnostic readings and routine maintenance alerts. The panel not only lets you know when fuel is running low, but warns you during refueling when the tank is nearly full.
Thumb Bracket
The factory-installed thumb bracket and relief valve significantly reduce the time needed to mount the optional hydraulic thumb, which makes short work of a variety of loading and material handling jobs.
Extraordinary Stability and Lifting Capacity
Innovative counter balancing technology provides superior excavator stability. Long tumbler distance, a lower center of gravity and Double FGlanged Lower Track Rollers combine to deliver safe and effective performance when working to the side, with hydraulic attachments, or lifting heavy objects.
Rear Corner Protectors
Two heavy-duty protectors -- one on each rear corner -- protect the engine hood and side covers from damage when working in tight spaces.
Comfort, Maintenance
Simple maintenance keeps the KX91-3S2 working longer.
Easy Maintenance
The Kubota KX91-3S2 is a breeze to maintain. The side and rear covers open wide and the main components are centrally located, giving you quick and easy access to all vital areas, including the engine, fuel tank, water separator, radiator, coolant reservoir, air filter, control valve and hydraulic tank.
ROPS/FOPS Canopy and Cab
The ROPS/FOPS canopy and cab provide complete protection from accidental rollovers and falling objects. Both are OSHA certified to ensure an extra level of safety and security on the job.
Two-Piece Hose Design
The two-piece hose connections for the dozer and boom cylinder hoses simplify hose replacement and reduce downtime.
Protected Cylinder Hoses
The bucket cylinder hoses are located inside the arm. And the boom cylinder hoses are routed under the boom bottom.
Centralized Swivel Bearing Lubrication
Grease ports for the swivel bearing, gear teeth, and swing cylinder pin are conveniently grouped on the front of the house.
KX91-3S2 OPTIONS
Buckets
Spark Arrest Muffler
Travel Alarm
Canopy Lights
Hydraulic Hammer
Hydraulic Auger
Hydraulic Thumb
Quick Coupler
Canopy Lights
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Steel-Plated Panels
The KX91-3S2 features long lasting rear and side panels that open easily for quick inspection and routine maintenance. These panels are made of steel for enhanced strength and durability.
Front Bush Pins
To maximize durability, Kubota introduced bushings on all of the pivot points on the front attachment and connecting points on the swing bracket.
Third-Line Hydraulic Return
When working with one-way hydraulic attachments, such as a breaker or brush cutter, the standard third-line hydraulic return system allows oil to flow directly back to the tank without running through the control valves. This contributes to less oil contamination, reduced back pressure, and greater oil flow efficiency.
Safety
Safety is designed into every detail of the KX91-3S2. An Engine Start Lockout System prevents the engine from starting when the safety levers are lowered. A Safety Lever Lockout System helps prevent unexpected excavator and attachment movement when entering or exiting the machine. An Auto House Parking Brake automatically locks the house in the position it was in when the engine was shut off, eliminating the need for a swing lock pin. It also makes the excavator more compact during transport and more secure when parked on an incline.
Travel Negative Brake
The travel negative brake locks the tracks to prevent unwanted movement. This keeps the excavator secure while transporting it on the back of trucks or parking it on slopes.
Swivel Negative Brake
The swivel negative brake automatically locks the swivel function in its current position. This prevents unexpected machine movement. It's particularly useful during work on slopes or when towing the excavator between worksites.
Accumulator
The accumulator makes replacing attachments safer and more efficient. Turning the key to the "on" position clears residual pressure in the auxiliary hydraulic hose. If the engine is accidentally shut off while the front attachment is raised, turning the key to the "on" position allows you to safely lower it.
KX91-3S2 Excavator Specs
KX91-3S2 Working Range Specs
KX91-3S2 Lifting Capacity Specs
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Fiser Truck & Tractor, Inc. is located in Alexander (Bryant), Russellville, and Sherwood, Arkansas, but we'll ship almost anywhere! Call us toll-free at 1 (800) 776-4069 (Alexander/Bryant), 1 (800) 264-0795 (Russellville), 1 (888) 813-6947 (Sherwood), or contact us at one of the email addresses below:
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