CAT 312D Excavator - Overview & Specifications

The CAT 312D is a mid-size hydraulic excavator in the 12-ton class, offering excellent versatility, performance, and efficiency for a wide variety of construction, demolition, and mining applications. The 312D is part of Caterpillar’s D Series, designed to be durable, fuel-efficient, and easy to maintain.

CAT 312D - Key Specifications

Engine:

• Model: Caterpillar 3054C DIT
• Type: Turbocharged, intercooled, diesel engine
• Power Output: 81 kW (108 HP)
• Displacement: 4.4 liters
• Fuel Capacity: 210 liters

Performance:

• Operating Weight: 12,200 – 12,700 kg (12.2 to 12.7 tons)
• Bucket Capacity: 0.3 – 1.0 m³ (depending on configuration)
• Maximum Digging Depth: 6,380 mm
• Maximum Reach: 9,760 mm
• Maximum Dumping Height: 7,020 mm
• Hydraulic System Flow: 227 L/min
• Hydraulic System Pressure: 34.3 MPa

Undercarriage & Dimensions:

• Track Type: Steel or rubber tracks (depending on application)
• Track Width: 600 mm
• Overall Width: 2,590 mm
• Overall Height: 2,870 mm
• Overall Length: 7,520 mm
• Tail Swing Radius: 2,480 mm (Reduced tail swing for better maneuverability)

Travel & Speed:

• Max Travel Speed: 5.3 km/h
• Gradeability: 35% (20 degrees)
• Tractive Force: 91.3 kN

Features & Benefits

✅ Powerful and Fuel-Efficient Engine:

• The Caterpillar 3054C DIT engine is designed for excellent fuel efficiency without compromising on power. This helps in reducing operating costs in the long term.

✅ High Performance and Productivity:

• The 312D offers smooth hydraulic operation and precise controls, making it ideal for tough digging tasks such as trenching, foundation work, and material handling.
• Load-sensing hydraulic system provides responsive power and reduces energy waste, enhancing productivity.

✅ Comfortable and Safe Operator’s Cab:

• Spacious and ergonomic cab with high visibility, easy-to-use controls, and air-conditioning for operator comfort.
• Low vibration and noise levels reduce operator fatigue during long work hours.

✅ Maneuverability and Durability:

• The reduced tail swing design makes it easy to work in tight spaces or on confined job sites.
• Reinforced structure for long-term durability in demanding working conditions.

✅ Ease of Maintenance:

• Designed with easy access to maintenance points, making it easier and faster to perform daily inspections and maintenance tasks.
• Extended service intervals contribute to lower maintenance costs over time.

Applications of CAT 312D:

• Construction: Excavating foundations, digging trenches, and backfilling.
• Road Building: Moving materials, compacting, and roadbed preparation.
• Demolition: Heavy lifting, breaking, and clearing debris.
• Mining: Excavating overburden, digging and handling material in quarries.
• Landscaping: Excavating for ponds, retaining walls, or drainage.

Why Choose the CAT 312D?

• Fuel-efficient: It’s designed to reduce fuel consumption, saving on operating costs.
• Versatile: With a wide range of attachments and configurations, the 312D can tackle many tasks on construction sites.
• Reliable: Built with durable components for maximum uptime and performance in tough environments.
• Easy to maintain: Features like extended service intervals and accessible maintenance points make this machine cost-effective in the long run.