Caterpillar 777 Specs & Review

Technical Specifications of Caterpillar 777 Rock Truck


  • Overall Length: 32.16ft in
  • Overall Width: 11.51ft in
  • Overall Height: 16.09ft in
  • Wheelbase: 15ft in
  • Dump Height: 30.52ft in
  • Dump Ground Clearance: 13.59ft in


  • Load Capacity – Struck: 47.48yd3
  • Load Capacity – Heaped: 67.1yd3
  • Rated Payload: 170000lb


  • Engine Make: 2236
  • Engine Model: D348
  • Gross Power: 870hp
  • Displacement: 1788cu in


  • Fuel Capacity: 250.2gal
  • Tire Size: 24×49 42 PR


  • Max Speed: 36.3mph


  • Empty Weight: 124402.5lb
  • Loaded Weight: 294405.4lb

Frequently Asked Questions

What is the overall length of the Caterpillar 777 Rock Truck?

The overall length is 32.16ft in.

What is the maximum speed of the truck?

The maximum speed is 36.3mph.

What is the fuel capacity?

The fuel capacity is 250.2 gallons.

What is the rated payload?

The rated payload is 170,000lb.

What is the gross power of the engine?

The gross power of the engine is 870hp.

Review of Caterpillar 777 Rock Truck

Key Specifications

The Caterpillar 777 Rock Truck is equipped with a D348 engine model that boasts a gross power of 870hp. The truck has a maximum speed of 36.3mph and a fuel capacity of 250.2 gallons.


The truck performs exceptionally well, especially considering its maximum speed of 36.3mph. The engine power ensures that the truck can handle heavy loads without compromising on speed.


Notable features include its large fuel capacity and high gross power. The tire size of 24×49 42 PR also stands out, providing better traction and stability.


The Caterpillar 777 Rock Truck is known for its reliability. Its robust engine and high payload capacity make it a dependable choice for heavy-duty tasks.

Value for Money

When compared to similar models, the Caterpillar 777 offers good value for money, especially considering its high payload capacity and powerful engine.

Pros and Cons

  • Pros: High payload capacity, powerful engine, large fuel tank
  • Cons: Could be considered expensive compared to other models, large size may not be suitable for all terrains

Best Suited For

The truck is best suited for heavy-duty tasks in large open spaces, such as mining or large-scale construction projects.

Final Verdict

The Caterpillar 777 Rock Truck is a robust and reliable choice for those in need of a high-performing, heavy-duty truck. Its features and specifications make it a valuable asset for any heavy-duty operation.