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S850 Bobcat Skid Steer Loader Offers Rated Operating Capacity of 3,875 Lbs.

Fri July 15, 2011 - National Edition
Construction Equipment Guide

Bobcat’s S850 skid steer loader has a rated operating capacity (ROC) of 3,875 lbs. (1,757 kg) — 17 percent more than the company’s previous largest skid steer loader, the S330.

The S850 joined the Bobcat M-Series loader line, which includes the S630 and S650 skid steer loaders and the T630, T650 and T870 compact track loaders.

With an operating weight of 10,008 lbs. (4,539 kg), the S850 is now the largest Bobcat skid steer loader. Due to its vertical-style lift arms, it offers lift height of 144 in. (366 cm). It is powered by a 92-hp (68.6 kW) water-cooled diesel engine.

Production is Key

The S850 has the same increased hydraulic performance as other M-Series loader models, enabling it to efficiently accomplish more work. The standard auxiliary hydraulic flow on the S850 is 23 gal. per minute (87 Lpm) at 3,500 lbs. per sq. in., while an optional high-flow feature reaches 37 gal. per minute (140 Lpm) for maximum attachment performance.

New job-enhancing features have been added to the optional deluxe instrumentation panel. Available only on M-Series loaders, the panel monitors key loader functions, while the keyless start helps prevent theft. The new 5-in., full-color LCD screen offers better readability and interaction. Easy-to-read virtual sweep gauges allow the operator to quickly read and understand the machine’s performance.

Increased Uptime

The S850 is designed to work long hours on demanding job sites, so routine maintenance has been minimized to enhance operator productivity. Simple checks make it easier to perform maintenance correctly at the proper intervals, according to the manufacturer.

Hydraulic quick couplers are mounted directly to the front plate of the lift arm to provide a solid mounting, while quick coupler hoses run through the loader arms for better protection. A guard bar extends in front of the coupler for added security.

Keeping the loaders cool when working long hours is important in prolonging the service life of the machine. That’s why Bobcat redesigned the cooling system on the M-Series for increased efficiency and higher performance. The new design also makes it easier to clean out the cooling system, with an oil cooler that swings up, allowing the operator to clean the area between the oil cooler and the radiator.

Improved Visibility

The S850, like other M-Series loader models, features a cab-forward design that not only makes the loader look different, but also moves the operator closer to the attachment and provides visibility in all directions.

Enhanced visibility is provided to the cutting edge of the bucket or the corners of an attachment because of the large cab door. The cab door threshold has been lowered and the overall surface of the door has been increased more than 40 percent to provide improved visibility and make it easier for operators to enter and exit the cab.

Windows on the sides and rear of the cab also have been increased in size to provide more visibility to the tires and to the rear. The larger top window makes it easier and more comfortable for the operator to see the attachment with the lift arms raised, an advantage when loading trucks or performing other tasks.

Cab Comfort

Comfortable operators are more productive, so to create a better working environment, Bobcat increased the size of M-Series loader cabs by 10 percent, redesigned the interior to allow operators to adjust the environment to their individual preferences and improved cab pressurization.

Bobcat M-Series loaders have a pressurized cab, with a new one-piece seal that goes all the way around the door and fits into a special curved pocket. This minimizes the amount of dirt and dust that might enter the cab, creating more enjoyable working conditions and making it easier to clean, according to the manufacturer.

Noise is another factor affecting operator comfort, and Bobcat reduced the sound level of M-Series loaders by more than 60 percent. New engine mounts improve isolation to decrease vibration and reduce sound levels.

The control levers on both standard controls with power assist, and the optional selectable joystick controls (SJC) move up and down in conjunction with the seat to reduce arm movement and fatigue as the operator controls the machine. The joystick mounts slide forward or backward to adjust to the preference of each individual operator.

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