Bobcat 540 Skid Steer Loader - Parts, Specs & Serial Numbers

The Bobcat 540 Skid Steer Loader is a compact, maneuverable machine built for reliability and simplicity. Ideal for landscaping, farm work, and small-scale construction, the 540 is equipped with a powerful gas engine and radial lift arms, offering excellent breakout force and ease of operation. Its tough chain-drive system and basic mechanical controls make it a low-maintenance favorite among vintage equipment owners.

Specifications & Features:

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

• Engine Power: Approx. 30 hp

• Hydraulic Pressure: 1,500 psi

• Pump Capacity: 10 GPM

• Rated Operating Capacity: 800 lbs

• Operating Weight: 3,200 lbs

• Lift Type: Radial lift

• Transmission: Chain drive with manual lever steering

• Travel Speed: ~6.5 mph

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

Common Maintenance Needs:

• Hydraulic seal kits: Often required for lift and tilt cylinders – Shop Bobcat 540 Hydraulic Seal Kits

• VH4D engine parts: Spark plugs, carb kits, and filters – Get Wisconsin Engine Parts

• Chain case oil: Keep clean and topped off to prevent wear

• Throttle and control cables: Prone to stretching and fraying

Common Issues & Quick Fixes:

• Hard starts or rough idle: Rebuild the carburetor and check ignition timing

• Hydraulic leaks: Typically from aged seals—use proper rebuild kits

• Chain noise or skipping: Adjust or replace worn drive chains

• Excessive vibration: Check tire balance and loose engine mounts

Pro Tips:

• Use non-detergent SAE 30 oil in the VH4D engine for optimal longevity.

• Grease loader arms and pivots after every 10 hours of operation.

• Keep the fan shroud and cylinder fins clean to prevent overheating.

Serial Number Location:

The serial number is usually stamped on a metal plate located on the frame under the seat or near the rear of the machine on the loader frame.