Bobcat 963 Skid Steer Loader – Specs, Parts & Troubleshooting

Description:

The Bobcat 963 Skid Steer Loader is one of the most powerful models in Bobcat’s G-Series line, designed for heavy lifting, high-flow hydraulic work, and large-scale construction jobs. Featuring a turbocharged diesel engine and a massive rated operating capacity, the 963 offers maximum performance for demanding applications.

Engine & Power:

• Engine: Perkins 1104C-44T, 4-cylinder, liquid-cooled, turbo diesel

• Displacement: 268.5 cu in (4.4 L)

• Horsepower: 85 hp @ 2,200 RPM

Transmission:

• Dual hydrostatic drive system

• Travel Speed: 7.3 mph (standard), 12.3 mph (with 2-speed)

• Foot pedal or dual-lever control options

• Dynamic braking and internal chain drive

Hydraulic System:

• Standard Flow: 20.7 GPM

• High Flow: 31.5 GPM (optional)

• System Pressure: 3,300 psi

• Bob-Tach® quick attach system

• Auxiliary hydraulics included

Dimensions & Performance:

• Operating Weight: 8,159 lbs

• Rated Operating Capacity: 3,000 lbs

• Tipping Load: 6,000 lbs

• Lift Height to Hinge Pin: 130.3 in

• Width: 78 in

• Height: 84.5 in

• Wheelbase: 48.8 in

Maintenance Essentials:

• Hydraulic cylinder kits – Shop Bobcat Cylinder Kits

• Perkins 1104C engine parts – Explore Perkins Engine Components

• Hydrostatic drive parts – Browse Bobcat Drive Motors

• Service kits including air, fuel, and hydraulic filters

Common Issues & Fixes:

• Hydraulic Overheating – often caused by clogged filters or low fluid levels; replace with service kits

• Lift Cylinder Drift – due to worn seals or piston damage; fix with rebuild kits

• Glow Plug Problems – check and replace Perkins glow plugs during cold starts

Serial Number Info:

• Serial number plate is typically located inside the cab or on the rear loader frame

• Common prefixes: 5173XXX

• Always match serial number with parts to ensure compatibility