CAT 307D Excavator - Overview & Specifications

The CAT 307D is a compact hydraulic excavator designed for high performance in tight spaces. It provides an excellent balance of power, fuel efficiency, and operator comfort, making it suitable for construction, landscaping, utility work, and small-scale excavation projects.

CAT 307D - Key Specifications

Engine:

• Model: CAT C2.6
• Type: Water-cooled, turbocharged, 4-cylinder diesel engine
• Power Output: 41.5 kW (55.6 HP)
• Displacement: 2.6 liters
• Fuel Capacity: ~150 liters
• Emission Standards: Meets Tier 3/Stage IIIA

Performance:

• Operating Weight: 7,000 – 7,500 kg (7 to 7.5 tons)
• Bucket Capacity: 0.3 – 0.4 m³
• Maximum Digging Depth: 4,050 mm
• Maximum Reach: 6,340 mm
• Maximum Dumping Height: 5,200 mm
• Hydraulic Pump Flow: 150 L/min
• Hydraulic System Pressure: 28 MPa

Undercarriage & Dimensions:

• Track Type: Steel or rubber tracks
• Track Width: 450 mm
• Overall Width: 2,300 mm
• Overall Height: 2,750 mm
• Overall Length: 6,200 mm
• Ground Clearance: 420 mm
• Tail Swing Radius: Compact tail swing design for maneuverability in tight spaces

Travel & Speed:

• Max Travel Speed: 4.5 km/h
• Gradeability: 35% (20 degrees)

Features & Benefits

✅ Compact Design:

• Ideal for working in tight urban areas and confined construction sites.
• Short tail swing for easy maneuverability.

✅ Powerful & Efficient Engine:

• CAT C2.6 engine provides optimal fuel efficiency while maintaining high performance.
• Low emissions, meeting Tier 3 environmental standards.

✅ Smooth Hydraulic System:

• Load-sensing hydraulic system improves efficiency and control.
• Proportional control joystick for precise movements.

✅ Operator Comfort:

• Spacious, air-conditioned cab with ergonomic controls.
• Low noise and vibration levels.
• Excellent visibility for safety and efficiency.

✅ Durability & Low Maintenance Costs:

• Reinforced boom and arm for extended durability.
• Easy-access maintenance points reduce downtime.

Applications of CAT 307D:

• General construction – digging foundations, trenching, grading.
• Landscaping – excavation for gardens, parks, and drainage systems.
• Utility work – laying pipes, cables, and underground utilities.
• Small-scale demolition – breaking up concrete, removing structures.
• Forestry & Agriculture – land clearing and material handling.

Why Choose the CAT 307D?

• Fuel-efficient & low operating costs – saves on fuel while delivering strong performance.
• Compact but powerful – works effectively in tight spaces.
• Reliable & durable – CAT machines are known for their long lifespan and robust design.
• Smooth & precise operation – hydraulic system ensures high accuracy and easy handling.

We would like to personally thank you for allowing Jiangchun Trading Co., Ltd. to present our introduction, Shanghai Sunight Machinery Co., Ltd. is one of the bigger supplier and buyer of used machine in Shanghai,China.

We have a range of used construction equipment available. Everything from excavators, bulldozers, motor graders, Soil Compactors, wheel loaders and dumper trucks.

We are also have great demand on used Excavator, bulldozer, loader, grader from all over the world.

The excavator is one of the most versatile pieces of construction equipment. The different uses for the excavator include: digging, demolition, dredging, lifting and moving. Each year hundreds of used excavators are shipped to all regions of the world, especially Africa, South East Asia and the Middle East.

As for excavator, the most popular model range from Cat E70B,E120B,E200B, 320B, 320C, 320D, 336D, Komatsu PC35MR, 55MR, 60-7,78US, 120-6, 128US, PC200-6, PC220-6, PC220-7, PC300-7; Hitachi EX60, EX100, EX120, EX200, EX200-3, ZX200-6. Kobelco SK03, SK07, SK200-6, SK200-8;

As for the bulldozer, the popular model includes Cat D5C,D5G, D5K, D6D, D6G, D7G,D7H,D8K; Komatsu D65, D85-18, D155; Shantui SD13, SD16, SD22, SD32

As for the roller, the popular model includes Dynapac CA25D, 30D; Bomag BW202AD-2, BW219D-2, BW217D-2, Ingersoll rand SD100D, SD175D.

As for the grader, the popular model includes Cat 12G, 140G, 140H, 140K; Komatsu GD511A, GD611A-1

We also purchase and sell the wheel loader as below model, Cat 950C,966D, 966G, 966H; Komatsu WA320-1, 320-5, 380-3, 470-3.