Bobcat S850 Skid Steer Loader - Parts, Specs & Serial Numbers

The Bobcat S850 Skid Steer Loader is the most powerful skid steer in Bobcat’s lineup, built for heavy-duty lifting, high-flow attachments, and large-scale productivity. Featuring a vertical-lift path and unmatched performance specs, the S850 is ideal for construction, demolition, and high-capacity material handling. With strong hydraulics, a spacious cab, and the ability to power demanding attachments, this machine is designed for maximum uptime and efficiency.

Key Specifications:

• Engine: Bobcat D24 Tier 4 Final Turbocharged Diesel

• Horsepower: 100 hp

• Rated Operating Capacity (ROC): 3,950 lbs

• Tipping Load: 7,900 lbs

• Operating Weight: 10,237 lbs

• Hydraulic Pressure: 3,500 psi

• Standard Flow: 23 GPM

• High Flow (Optional): 37 GPM

• Lift Path: Vertical

• Fuel Tank Capacity: 32.6 gal

• Travel Speed: 7.1 mph (standard), 12.3 mph (two-speed option)

Transmission:
Durable hydrostatic transmission with optional two-speed functionality for quick site-to-site travel and smooth control during precision work.

Hydraulic System:
The S850’s hydraulic system is built to power heavy-duty attachments like cold planers, forestry cutters, and stump grinders. It includes pressure-release quick couplers and load-sensing hydraulics for efficient multi-function performance.

Dimensions:

• Length with Bucket: 147.1 in

• Height to Top of Cab: 83.4 in

• Width Over Tires: 79 in

• Reach at Max Height: 36.2 in

• Wheelbase: 48.3 in

• Turning Radius: 88 in

Maintenance & Common Parts:
With easy-access panels and advanced diagnostics, the S850 is optimized for uptime. Most serviced components are reachable without tools. Common parts include:

• Bobcat S850 Hydraulic Seal Kits

• High-Flow Hydraulic Pumps & Valve Kits

• Starter Motors and Wiring Harnesses

• Loader Arm Pins, Bushings & Grease Fittings

Common Issues & Fixes:

• Hydraulic System Overheating: Can result from clogged coolers or worn seals—replace with cooler kits or seal rebuilds.

• Electrical Failures: Frequent in high-vibration work—resolve with starter relays and harness replacements.

• Drive Motor Wear: Replace with OEM drive components if experiencing loss of torque or slow performance.

Pro Tip: Always use high-quality hydraulic fluid and filters to prevent contamination—critical for high-flow operations in the S850.

Serial Number Location:
The serial number plate is located behind the lift arm on the left side of the frame, or under the cab near the loader control valve.