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Used CAT 305SR Excavator 5ton for sale Short Radius Design
*Stringent Quality Assurance: This used construction equipment has successfully passed 15 comprehensive inspections, ensuring top-notch performance across the engine, hydraulic systems, and structural components. Every part is in peak condition, ready to handle demanding tasks from the get-go.
*Cost-Effective Solution: Skip the hefty price tag of new machinery. Our used construction equipment can save more than 20% on initial costs while maintaining over 80% of its original operational efficiency, making it the perfect choice for maximizing project budgets.
*Proven Dependability: With verified low operating hours and a complete service history, this machine has consistently excelled in demanding tasks like mining and road construction. Trusted by contractors globally, it’s a reliable workhorse for any project.
1. Core Power & Powertrain (Engine)
The 2006 model is equipped with a high-durability industrial engine, optimized for the power-to-weight demands of a 5-ton class machine while maintaining excellent fuel efficiency.
| Parameter | Metric System | Imperial System | Technical Remarks |
| Engine Model | Mitsubishi S4Q2 | Mitsubishi S4Q2 | 4-cylinder, naturally aspirated |
| Net Flywheel Power | 33.0 kW | 44.3 hp | Rated @ 2400 rpm (ISO 9249) |
| Displacement | 2.5 L | 153 cu in | Balanced torque for mid-size duty |
| Cooling System | Pressurized | Pressurized | Heavy-duty industrial radiator |
2. Weight, Capacities & Logistics Dimensions
These dimensions are critical for international freight forwarders, particularly for container consolidation or RORO (Roll-On/Roll-Off) shipping calculations.
| Parameter | Metric System | Imperial System | Shipping & Logistics Relevance |
| Operating Weight | 5,050 kg | 11,133 lbs | Standard configuration with cab |
| Transport Length | 5,180 mm | 17.00 ft | Compact boom-down transport mode |
| Transport Width | 2,000 mm | 6.56 ft | Optimized for standard flat-rack loading |
| Transport Height | 2,550 mm | 8.37 ft | Standard height clearance line |
| Fuel Tank Capacity | 70 L | 18.5 gal | Efficient autonomy for 8-10 hour shifts |
| Hydraulic Tank Cap. | 55 L | 14.5 gal | Core fluid reservoir volume |
3. Hydraulic & Digging Performance
The 305SR features a load-sensing hydraulic system. Its “Short Radius” design allows for rotation within a minimal footprint, making it ideal for urban utility work.
| Parameter | Metric System | Imperial System | Field Performance Indicator |
| Max System Flow | 120 L/min | 31.7 gal/min | Dual variable-displacement piston pumps |
| Operating Pressure | 24,500 kPa | 3,553 psi | Main implement relief circuit threshold |
| Swing Speed | 10.0 rpm | 10.0 rpm | Fast-cycle rotation for loading tasks |
| Bucket Breakout Force | 41.5 kN | 9,330 lbf | Strong penetration for 5-ton class |
| Stick Digging Force | 28.5 kN | 6,400 lbf | Reliable trenching/backfilling capacity |
4. Undercarriage & Mobility
Built for stability in confined spaces, the 305SR undercarriage provides a low center of gravity, which is essential when working with the short-tail counterweight configuration.
| Parameter | Metric System | Imperial System | Underfoot Mobility |
| Standard Shoe Width | 400 mm | 16 in | Triple grouser heavy-duty rubber tracks |
| Max Travel Speed | 4.6 km/h | 2.86 mph | Dual-speed auto-shift travel drives |
| Max Traction Force | 45.0 kN | 10,116 lbf | Robust effort for site ramp traversal |
| Ground Pressure | 33.0 kPa | 4.78 psi | Low-impact for finished grade surfaces |
5. Working Ranges (Standard Stick)
Definitive excavation profiles enabling procurement managers to verify site suitability for utility trenching, irrigation, and landscape development.
| Parameter | Metric System | Imperial System |
| Max Digging Depth | 3,350 mm | 10.99 ft |
| Max Reach (Ground) | 5,600 mm | 18.37 ft |
| Max Cutting Height | 5,300 mm | 17.39 ft |
| Max Loading Height | 3,700 mm | 12.14 ft |
Commercial Note for Export
The 2006 CAT 305SR is highly valued in the secondary market due to its Short Radius (SR) architecture, which provides significant competitive advantages in urban environments. Its mechanical systems are mature and reliable, allowing for ease of maintenance in regions with limited access to authorized CAT diagnostics. For international traders, the compact size allows for efficient shipping, reducing landed costs and increasing overall return on investment.
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