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Liebherr 974 Excavator Loading Blasted Rock onto CAT 775B Dumper at Aggregate Quarry – Operator POV Included
In today’s on-site video, we’re at the heart of a busy aggregate quarry, witnessing the strength and precision of a Liebherr 974 hydraulic excavator as it loads blasted material into a rugged Caterpillar 775B off-highway dumper.

What makes this footage especially engaging is that we also get a look from inside the cabin, watching the skilled operator work the controls with focus and accuracy—managing heavy loads, swing cycles, and bucket placement with ease.

Once loaded, the CAT 775B dumper makes its way to the crusher complex, where the material will be processed into construction-grade aggregate for use in roads, concrete, and infrastructure projects.

🟡 Machine in Action: Liebherr R 974 Excavator
The Liebherr 974 Litronic is one of the most reliable machines for bulk excavation and heavy quarry loading tasks.

✅ Key Specifications:
• Operating Weight: ~80,000–90,000 kg (176,000–198,000 lbs)
• Engine Power: 570–620 hp
• Bucket Capacity: 4.0 – 5.5 m³
• Max Dig Depth: ~8.7 m
• Purpose: Overburden removal, rock loading, high-volume excavation

In today’s operation, the 974 easily handles the blasted rock with large bucket loads, swinging quickly to load each dumper in just a few passes—demonstrating machine power and operator efficiency.

🚛 Hauling the Load: Caterpillar 775B Off-Highway Truck
The Caterpillar 775B is built for tough mining and quarry environments. Its powerful frame and heavy-duty suspension allow it to handle large loads of raw material with stability and speed.

✅ Key Specs:
• Rated Payload: ~60 tons
• Engine Power: ~650 hp
• Top Speed: ~65 km/h (40 mph)
• Use: Hauling overburden and blasted materials to crusher areas

Today, the 775B works in rotation with the excavator, helping maintain continuous flow from the blast bench to the crusher.

👷 Inside the Cabin: The Operator’s Precision
As we step into the Liebherr 974 cabin, we watch:
• The operator coordinating joystick controls with smooth motion
• Fast bucket fill and dump cycles
• Constant monitoring of truck positions and bench edges
• Perfect placement of each load to maximize truck space

The operator’s role is key to keeping the operation fast, safe, and productive—and today’s video highlights just how important their skill is in large-scale quarry work.

🏗️ Material Flow: From Blast to Crusher
This scene is part of a well-planned quarry flow:
1. Blasted material is collected at the excavation face
2. The Liebherr 974 loads it into Caterpillar dumpers
3. The trucks transport it to the crusher complex
4. Material is then processed into various aggregate sizes

This continuous loop keeps the plant supplied and production running non-stop.

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