Basic information. Brand, Caterpillar MD. Category, wheel excavator. Serial Number, J5B Unit Number, UX Catalog Number, CU Engine Model, Cat® C with ACERT™ Technology. Net Power, kW, hp. Gross Power, kW, hp. Bore, mm, in. Stroke, Find Used and New Caterpillar md Wheeled excavators For Sale amongst an extensive inventory of 3 listings on MachineryZone.
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The D Series incorporates innovations for improved performance and versatility. High lifting capacity, short cycle times and catsrpillar of operation lead to increased productivity and lower operating costs.
Built for power, reliability, low maintenance, excellent fuel economy and low emissions. This combination provides outstanding fuel consumption during both production and travel. When the system recognizes roading application the catetpillar will operate at the most efficient system operating point to save fuel without compromising road performance.
An electronically controlled, hydraulic motor drives a variable speed on-demand fan for engine coolant and hydraulic oil. The optimum fan speed is determined based on coolant and hydraulic oil temperature resulting in reduced fuel consumption and lower sound levels. The electronic engine control continuously compensates for the varying fan load, providing consistent net power, regardless of operating conditions.
The two stage, one-touch Automatic Engine Speed Control reduces engine speed if no operation is performed, maximizing fuel efficiency and reducing sound levels. Load-sensing hydraulic system provides fast cycle times, increased lift capacity and high bucket and stick forces to maximize your productivity in any job.
A dedicated variable displacement piston pump and fixed displacement piston motor power the swing drive. This closed hydraulic circuit maximizes swing performance without reducing power to the other hydraulic functions, resulting in smoother combined movements. This function allows the operator to adjust the aggressiveness of the caterpillwr according to the application. Versatility of the hydraulic system can be expanded to utilize a wide variety of hydraulic work tools using multiple valve options.
The Multi-Combined Valve is the core of the Tool Control System, allowing the operator to select up to ten preprogrammed work tools from the monitor. These preset hydraulic parameters support either one-way or two-way flow. The joystick sliding switches allow modulated control of the work tool.
The Medium Pressure Function Valve provides proportional flow that caterpi,lar ideal for tilting buckets or rotating tools.
The stick regeneration circuit increases efficiency and helps increase controllability for higher productivity and lower operating costs. The machine can be optionally equipped with a dedicated hydraulic circuit to operate hydraulic quick couplers. Caterpillar integrates its cylinder snubber technology into all Wheel Excavator boom and stick cylinders.
These snubbers help cushion shocks, reduce sound and increase cylinder life. Reduces stress and vibrations transmitted to the machine and provides a more comfortable environment. Scraping rock and finishing work is easy and fast. SmartBoom simplifies the task and allows the operator to concentrate on stick and bucket, while boom freely goes up and down without using pump flow. The front parts automatically follow the hammer while penetrating the rock. Blank shots or excessive force on the hammer are avoided resulting in longer life for the hammer and the machine.
Similar advantages with vibratory plate compactors. Loading trucks from a bench is more productive and fuel efficient as the return cycle is reduced while the boom down function does not require pump flow. The MD helps build a better world and preserve the fragile environment. The D Series Wheel Excavators are designed for outstanding performance with high fuel efficiency. This means more work done in a day, less fuel consumed and minimal impact on our environment.
Operator and spectator noise levels are extremely low as a result of caterppillar new variable speed fan and remote cooling system.
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Lubricant fillers and drains are designed to minimize spills. Working closely with your Cat dealer can help extend service intervals for engine oil, hydraulic oil, axle oil and coolant.
Meaning fewer required fluids and fewer disposal, all adding up to lower operating costs. The interior layout maximizes operator space, provides exceptional comfort and reduces operator fatigue.
Improved visibility and ergonomics are some of the many features of the D Series Wheel Excavators. The operator station provides maximum space and is designed for simplicity and functionality. Frequently used switches are centralized and are situated on the right-hand switch console. The fully automatic climate control adjusts temperature and air flow for exceptional operator comfort.
The exterior design uses thick steel tubing along the bottom perimeter of the cab, improving the resistance to fatigue and vibration. This design allows the falling object guards to be bolted directly to the cab. The cab shell is attached to the frame with rubber mounts that limit vibration and sound transmitted from the frame, substantially reducing interior noise levels. To maximize visibility, all glass is affixed directly to the cab, eliminating the use of window frames.
Choice of fixed or easy-to-open split front windshield meet operator preference and application conditions. The lower front windshield features a rounded design to maximize downward visibility and improves wiper coverage. Also features the one-touch action release system. The fixed front windshield comes with high impact resistant laminated glass. A large skylight provides superb upward visibility. The retractable sunscreen blocks direct sunlight. The optional electrically heated mirrors provide increased safety and visibility in cold conditions.
The parallel wiper system maximizes visibility in poor weather conditions. The new compact color monitor displays information in local language that is easy to read and understand. Filter and oil change warnings are displayed when the number of hours reaches the maintenance interval. Tool select function allows the operator to select up to 10 predefined hydraulic work tools. Adjustable braking characteristics enable the operator to select three levels of travel motor retarder aggressiveness when releasing the travel pedal.
Provides a rear camera view that is activated through the monitor menu. The optional deluxe seat, equipped with an active seat climate system, improves operator comfort. Cooled air flows through the seat cushions to reduce body perspiration. On cold days, a two-step seat heater keeps the operator warm and comfortable.
The compartment provides sufficient room to store items such as a lunch box. A cover secures the contents during machine operation. Two-way pedals for travel and auxiliary circuits provide increased floor space, reducing the need to change positions. The foot pedal for auxiliary high-pressure circuit can be locked in the off position and used as a footrest for greater operator comfort.
The rearview camera displays on the operator monitor. An optional Machine Security System is available from the factory. This system controls who can operate the machine when, and utilizes specific keys to prevent unauthorized machine use. Undercarriage and axle design provides maximum strength, flexibility and mobility on wheels.
The D Series undercarriage provides rigidity and long life. Effective hydraulic line routing, transmission protection and heavy-duty axles make the undercarriage perfect for wheel excavator applications. The front axle offers wide oscillating and steering angles.
Caterpillar MD – wheel excavator – Construction – CATERPILLAR WORLDWIDE
The transmission is mounted directly on the rear axle for protection and optimum ground clearance. The disc brake system acts directly on the hub instead of the drive shaft to avoid planetary gear backlash.
This solution minimizes the rocking effect associated with working free on wheels. The axle caterpiklar lowers maintenance and lifetime costs. Oil change intervals are at 2, working hours, further reducing owning and operating costs. The optional fenders provide excellent coverage of the front and rear tires, protecting the machine from mud and dirt.
Water cannot splash up on the windscreen or cooler. The fenders further protect the machine from stones and debris being thrown up by the tires, providing additional safety for the machine, other vehicles and personnel working close to the excavator. Designed for maximum flexibility to keep production high on all jobs.
Booms and sticks are welded, box section structures with thick, multiplate fabrications in high stress areas, for rugged performance and long service life. The choice of three booms and three sticks provides the right balance of reach and digging forces for all applications. The VA boom offers improved right side visibility and machine roading balance. When working in tight quarters or lifting heavy loads, the VA boom offers the best flexibility. The one-piece boom fits best for all standard applications such as truck loading and digging.
A unique straight section in the curve of the side plate reduces stress flow and helps increase boom life.
MD Wheel Excavator | Wheel Excavators | WesTrac
The combination with a tiltable ditch cleaning bucket lets you operate a highly versatile system. Three different stick lengths are offered to match different application requirements: A wide variety of Work Tools help optimize machine performance. Cat work tools are designed to function as an integral part of your excavator and to provide the best possible performance in your particular application.
All work tools are performance-matched to Cat machines. Quick Couplers enable the operator to simply release one work tool and connect to another, making your hydraulic excavator highly versatile. Productivity also increases, as a carrier no longer needs to be idle between jobs. Caterpillar offers hydraulic and spindle quick coupler versions.
Caterpillar offers a wide range of specialized buckets, each designed and tested to function as an integral part of your excavator. Cat hammer series deliver very high blow rates, increasing the productivity of your tool carriers in demolition and construction applications. Wide oil flow acceptance ranges make the Cat hammers suitable for a wide range of carriers and provide a system solution from one safe source.
The Orange Peel Grapple is constructed of high-strength, wear-resistant steel, with a low and compact design that makes it ideal for dump clearance.