Bobcat 743 Skid Steer Loader – Specs, Parts & Serial Info

The Bobcat 743 Skid Steer Loader is one of the most iconic and widely used loaders in the Bobcat lineup. Built from the early 1980s through the early 1990s, it features a powerful Kubota diesel engine, hydrostatic transmission, and solid construction for tough jobs. Its popularity stems from its balance of performance, size, and ease of maintenance.

Engine & Power:

• Engine: Kubota V1702, 4-cylinder, liquid-cooled diesel

• Displacement: 104.5 cu in (1.71 L)

• Horsepower: 36 hp

• Fuel Tank Capacity: 10 gallons

• Long-lasting diesel efficiency with low-end torque

Transmission:

• Hydrostatic drive with twin steering levers

• Direct hydraulic motor to each wheel

• Infinitely variable forward and reverse speeds

• No gear shifting required

Hydraulic System:

• Hydraulic Pump Flow: 11 GPM

• System Pressure: ~2,200 psi

• Dual-lift and tilt cylinders

• Optional auxiliary hydraulics for attachments like augers and trenchers

Dimensions & Performance:

• Operating Weight: ~5,400 lbs

• Rated Operating Capacity: 1,300 lbs

• Tipping Load: 2,600 lbs

• Width: 55.1 in

• Height: 77 in

• Wheelbase: 35.4 in

• Max Travel Speed: 6.6 mph

Maintenance Essentials:

• Kubota engine parts – Shop Kubota V1702 Parts

• Hydraulic seal kits – Browse Bobcat Cylinder Kits

• Fuel, oil, and air filters

• Drive motor service kits and replacement hoses

Common Issues & Fixes:

• Hydraulic Leaks or Drift: Common with aging cylinders—fix using hydraulic seal kits

• Hard Starts in Cold: Often glow plug or fuel system related—replace with Kubota glow plug kits

• Hydrostatic Surge or Hesitation: Check fluid level and inspect wheel motors

Serial Number Info:

• Typically located on the right frame side near the operator seat or footplate

• Serial number prefix often begins with 501XXXX to 512XXXX