The CAT 305E CR is a compact, versatile crawler excavator designed for applications where space is limited but power and performance are still required. It's part of Caterpillar’s 300 series and is known for its advanced features, excellent fuel efficiency, and operational flexibility. The 305E is ideal for work in urban environments, landscaping, utility work, and light to medium construction.

CAT 305E CR Specifications:

Engine:

• Engine Model: C2.4
• Engine Type: 4-cylinder, turbocharged, diesel engine
• Rated Power: 55.4 kW (74.4 hp) @ 2,200 rpm
• Max Torque: 290 Nm @ 1,600 rpm
• Emissions: Meets EPA Tier 4 Final / EU Stage IV standards (for reduced environmental impact)

Dimensions:

• Operating Weight: 5,320 kg (11,733 lbs)
• Overall Length: 5,780 mm (19 ft)
• Overall Width: 2,150 mm (7.05 ft)
• Overall Height: 2,550 mm (8.37 ft)
• Track Length: 2,260 mm (7.41 ft)
• Track Width: 400-500 mm (1.31-1.64 ft)
• Ground Clearance: 375 mm (1.23 ft)

Performance:

• Maximum Digging Depth: 3,635 mm (11.95 ft)
• Maximum Reach at Ground Level: 5,990 mm (19.6 ft)
• Maximum Dump Height: 4,085 mm (13.4 ft)
• Bucket Digging Force: 34.7 kN (7,800 lbf)
• Arm Digging Force: 22.2 kN (5,000 lbf)

Hydraulic System:

• Hydraulic Flow: 110 l/min (29.1 gal/min)
• Hydraulic Pressure: 250 bar (3,625 psi)
• Pump Type: Variable displacement piston pump + gear pump

Travel Speed:

• Maximum Speed: 5.2 km/h (3.2 mph)
• Low Speed: 2.7 km/h (1.7 mph)

Swing:

• Swing Speed: 9.0 rpm

Fuel and Hydraulic Capacity:

• Fuel Tank Capacity: 85 liters (22.5 gallons)
• Hydraulic Oil Tank Capacity: 60 liters (15.85 gallons)

Cab and Operator Comfort:

• The 305E CR comes with a spacious and comfortable operator's cab featuring a suspension seat, joystick controls, and a fully adjustable armrest for ease of operation.
• The cab is designed to provide excellent visibility, improving safety and precision, especially in tight workspaces.
• It also features air-conditioning (optional), ergonomic controls, and a digital display showing real-time machine data.

Key Features:

1. Compact Size with Excellent Reach:

   • The 305E CR is built for work in confined spaces where larger machines can't operate, but it still offers a powerful reach for most light and medium digging and grading tasks.

2. Advanced Hydraulic System:

   • The machine's hydraulic system provides high efficiency and excellent lifting and digging performance, allowing operators to tackle demanding tasks such as lifting heavy loads or digging deep trenches.

3. Fuel Efficiency:

   • With its fuel-efficient engine, the 305E CR offers reduced fuel consumption and lower operating costs while meeting emissions regulations.

4. Superior Maneuverability:

   • The compact size and short tail swing allow the 305E CR to work in small or congested areas, making it ideal for urban construction, roadwork, landscaping, and utility projects.

5. Durability:

   • CAT is known for its durable construction, and the 305E CR is no exception. It is built to withstand harsh conditions and continuous use on construction sites, which ensures long-lasting performance.

6. Easy Maintenance:

   • The 305E CR is designed with easy access to key components like filters, the engine compartment, and hydraulic system for convenient maintenance and reducing downtime.

7. Operator Safety:

   • The excavator is designed with safety in mind, featuring a reinforced ROPS/FOPS cab, non-slip steps, and handrails for safe entry and exit.

Applications:

• Construction: Light to medium excavation tasks, trenching, digging foundations, and grading.
• Landscaping: Small projects that require precise digging and maneuverability, such as planting trees or digging small ponds.
• Utility Projects: Installing or repairing underground utilities like water, gas, and sewer lines.
• Demolition: Light demolition in tight spaces.
• Roadwork: Excavation tasks for road repairs or building.