Bobcat 500 Skid Steer Loader - Parts, Specs & Serial Numbers

The Bobcat 500 Skid Steer Loader is a classic model known for its compact power, maneuverability, and reliable hydraulic system, making it ideal for small construction, agriculture, and landscaping tasks. Built in the early 1970s, this model is part of Bobcat’s trusted 500 series and remains popular among owners of vintage skid steers due to its rugged build and ease of maintenance.

Specifications & Features:

• Engine: Wisconsin VH4D, 4-cylinder, air-cooled gasoline engine

• Engine Power: Approx. 30 hp

• Hydraulic Pressure: ~1,500 psi

• Pump Capacity: 10–12 GPM

• Operating Weight: Approx. 3,200 lbs

• Rated Operating Capacity: ~1,000 lbs

• Lift Type: Radial lift

• Transmission: Chain-driven, hydrostatic control

• Travel Speed: Up to 6 mph

• Tire Size: 7.00-15 or 27x8.5-15 (optional)

Common Maintenance Needs:

• Hydraulic seal kits: Regularly needed for lift and tilt cylinders – Shop Bobcat Hydraulic Cylinder Seal Kits

• Engine parts: Tune-up kits for the VH4D engine are vital – Find Wisconsin VH4D Parts

• Chain drive components: Chains and sprockets wear with age

• Control linkage: Periodic adjustment to ensure smooth drive response

Known Issues & Fixes:

• Hydraulic leaks: Common in lift and tilt cylinders; use proper seal kits

• Starter motor failure: Replace with compatible rebuilt starter

• Fuel system issues: Carburetor rebuild often resolves poor starts

• Chain case oil leaks: Check seals and gaskets routinely

Pro Tips:

• Keep the VH4D engine cool—ensure the fan and shroud are clean.

• Grease fittings regularly to prevent premature bushing and pin wear.

• Use SAE 10W hydraulic fluid as recommended for best performance.

Serial Number Location:

Serial numbers are typically found stamped on a plate on the loader frame beneath the seat or on the side of the frame near the engine housing.