08-24-2025, 06:25 PM
Machine Overview
The Caterpillar 305 CR is a compact mini hydraulic excavator designed for versatile applications including landscaping, utility work, and general construction. It weighs approximately 12,688 pounds (5,754 kg), making it powerful yet maneuverable in tight job sites. The machine runs on a C1.7 turbocharged engine that offers 45 horsepower (33.6 kW), meeting U.S. EPA Tier 4 Final and EU Stage V emissions standards, showcasing Caterpillar’s commitment to environmental regulations and fuel efficiency.
Performance
The 305 CR is engineered with operator comfort and control in mind, featuring:
The machine offers excellent serviceability, with accessible grease points and fluid reservoirs designed to simplify routine upkeep. The robust construction and quality engineering ensure long-term durability in challenging operational environments. Daily greasing and timely hydraulic fluid replacement are essential for maintaining peak performance.
Glossary
Operators value the Caterpillar 305 CR’s combination of power, compactness, and fuel efficiency. Its digging precision and manageable size make it ideal for intricate excavation in urban or residential environments. Some users commend the machine’s ease of transport between sites due to its moderate weight.
Conclusion
The Caterpillar 305 CR mini excavator balances power, versatility, and environmental responsibility in a lightweight package. Suitable for a wide range of small to medium scale tasks, its combination of a capable C1.7 engine, advanced hydraulics, and operator-focused features make it a reliable choice in tight working conditions. Proper maintenance and appropriate attachment use maximize its operational value.
The Caterpillar 305 CR is a compact mini hydraulic excavator designed for versatile applications including landscaping, utility work, and general construction. It weighs approximately 12,688 pounds (5,754 kg), making it powerful yet maneuverable in tight job sites. The machine runs on a C1.7 turbocharged engine that offers 45 horsepower (33.6 kW), meeting U.S. EPA Tier 4 Final and EU Stage V emissions standards, showcasing Caterpillar’s commitment to environmental regulations and fuel efficiency.
Performance
- Engine Model: Cat C1.7 Turbo diesel
- Net Power: 45 hp at 2400 rpm
- Operating Weight: Around 12,688 lbs (5754 kg)
- Dig Depth: 144.5 inches (3670 mm)
- Maximum Dig Height: 205.3 inches (5215 mm)
- Maximum Reach at Ground Level: 220.1 inches (5590 mm)
- Swing Speed: 9 RPM with swing bearing height of 24.4 inches
- Track Width: 78 inches (1980 mm) with rubber or steel track options
- Blade Width: 78 inches (1980 mm)
- Hydraulic System: Load sensing hydraulics with variable displacement piston pump and flow rates of 21 gal/min primary and 7 gal/min secondary circuits
The 305 CR is engineered with operator comfort and control in mind, featuring:
- Spacious cab options with sound reduction for reduced operator fatigue
- Auto idle and engine shutdown features to reduce fuel consumption
- Advanced hydraulic controls ensuring smooth, responsive operation
- Durable track systems with both rubber and steel options
- Vertical wall capability of approximately 8.4 feet (2560 mm), enabling precise digging
The machine offers excellent serviceability, with accessible grease points and fluid reservoirs designed to simplify routine upkeep. The robust construction and quality engineering ensure long-term durability in challenging operational environments. Daily greasing and timely hydraulic fluid replacement are essential for maintaining peak performance.
Glossary
- Load Sensing Hydraulics: Hydraulic system that adjusts flow and pressure to match load requirements, improving efficiency.
- Variable Displacement Piston Pump: Pump type which varies the fluid flow based on system demand, enhancing fuel economy.
- Swing Bearing: Component allowing the upper structure to rotate smoothly.
- Track Width: The width of the undercarriage tracks, influencing machine stability and ground pressure.
- Auto Idle: Feature automatically reducing engine speed when controls are inactive to save fuel.
Operators value the Caterpillar 305 CR’s combination of power, compactness, and fuel efficiency. Its digging precision and manageable size make it ideal for intricate excavation in urban or residential environments. Some users commend the machine’s ease of transport between sites due to its moderate weight.
Conclusion
The Caterpillar 305 CR mini excavator balances power, versatility, and environmental responsibility in a lightweight package. Suitable for a wide range of small to medium scale tasks, its combination of a capable C1.7 engine, advanced hydraulics, and operator-focused features make it a reliable choice in tight working conditions. Proper maintenance and appropriate attachment use maximize its operational value.
