Bobcat T66 Compact Track Loader - Parts, Specs & Serial Numbers

The Bobcat T66 Compact Track Loader is a next-generation machine built for performance, comfort, and durability. As part of Bobcat’s R-Series, the T66 offers a vertical-lift path for greater lift height and reach, making it ideal for loading trucks, grading, and attachment-heavy work. With improved visibility, a stronger frame, and efficient hydraulics, it’s engineered to handle tough jobs with precision and speed.

Key Specifications:

• Engine: Bobcat 2.4L Tier 4 Final Turbocharged Diesel (No DPF)

• Horsepower: 74 HP

• Operating Weight: 8,927 lbs

• Rated Operating Capacity (ROC): 2,450 lbs

• Tipping Load: 7,000 lbs

• Fuel Tank Capacity: 28.3 gallons

• Hydraulic Pressure: 3,500 psi

• Standard Hydraulic Flow: 17.6 GPM

• High-Flow Option: 26.9 GPM

• Lift Path: Vertical

• Transmission: Hydrostatic 2-speed travel standard

• Track Width: 12.6 in (standard) or 17.7 in (optional)

• Ground Pressure: 6.1 psi (standard tracks)

Maintenance & Common Parts:

• Common parts include hydraulic cylinder seal kits, track rollers and sprockets, and electrical harnesses.

• Track wear and roller damage are typical in rugged environments—replace using full undercarriage kits.

• Electrical issues, especially with sensors and harness connectors, can disrupt operation—inspect regularly and replace as needed.

Serial Number Location:

Located on the frame below the cab entry door or on the rear cross member above the left track.

Pro Tips:

• The T66 features a no-DPF engine, reducing maintenance time and cost—just follow proper fluid intervals.

• Upgrade to 17.7" wide tracks for better flotation on soft ground.

• For demanding attachments, choose the high-flow hydraulic package to ensure full performance.

Keep your Bobcat T66 in peak condition—shop Bobcat T66 parts now.