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Amphibious excavators CATERPILLAR 320 For sale
Buoyancy System: Integrated sealed pontoons or buoyancy tanks enable flotation, allowing operation in swamps, marshes, and flood zones. The undercarriage is watertight to prevent ingress.
Extended Tracks: Wide, elongated steel or rubber tracks distribute ground pressure (≤3.5 psi) for stability on soft substrates like mud or silt.
Corrosion Protection: Critical components (hydraulic cylinders, valves) feature enhanced seals and anti-corrosive coatings for prolonged water exposure.
2. Performance & Capabilities
Power & Efficiency: Low-revving engine paired with high-capacity hydraulic pumps reduces fuel consumption by up to 10% vs. predecessors. No urea injection required for emission compliance (meets China Non-Road Stage IV).
Gradeability: 70% slope capability on land; stable flotation in currents up to 3 knots.
Lift Capacity: Up to 4.7 metric tons (with counterweight), adhering to ISO 10567 safety margins (≤87% hydraulic/75% tip limits).
Cab Ergonomics: ROPS/FOPS-certified cabin with heated/cooled seats, Bluetooth controls, and joystick-programmable auxiliaries (e.g., dredge pumps).
4. Applications
Dredging & Waterways: Sediment removal, canal maintenance.
Wetland Construction: Piling, bank stabilization in ecologically sensitive zones.
Disaster Response: Flood control, debris clearance in submerged areas
Cat Technology Suite: Standard Grade with 2D for precision leveling; Auto Dig Boost enhances bucket penetration by 8%; Stick Steer enables one-handed maneuvering.
Maintenance: Ground-level service points (oil checks, S·O·S sampling), 3,000-hour hydraulic filter intervals, and reversible cooling fans for debris management.
| Parameter | Value | Source |
|---|---|---|
| Model | CAT 320D Amphibious | 6 |
| Operating Weight | 21,040-21,690 kg (with buoyancy) | 6 |
| Engine | CAT C4.4 Diesel, 175kW (ISO 14396) | 15 |
| Bucket Capacity | 1.0-1.19 m³ | 56 |
| Hydraulic Flow | 429 L/min @ 35,000 kPa | 5 |
| Max Depth | Designed for shallow water (<4m) | 6 |
| Parameter | Specification | Unit | Notes |
|---|---|---|---|
| Engine Model | C4.4 ACERT | - | Tier 3 compliant |
| Engine Power | 75 | kW (100 hp) | - |
| Operating Weight | 19,500 | kg (43,000 lbs) | - |
| Bucket Capacity | 0.8 | m³ (1.05 yd³) | Suitable for various tasks |
| Maximum Digging Depth | 6,200 | mm (20 ft 4 in) | - |
| Maximum Digging Radius | 9,195 | mm (30 ft 2 in) | - |
| Maximum Digging Height | 9,050 | mm (29 ft 8 in) | - |
| Tail Swing Radius | 2,650 | mm (8 ft 8 in) | Minimal obstruction during operation |
| Track Width | 600 | mm (23.6 in) | Provides stability |
| Travel Speed | 5.5 | km/h (3.4 mph) | - |
| Arm Length | 5,800 | mm (19 ft) | Increased reach for deeper digging |
| Stick Length | 3,000 | mm (9.8 ft) | - |
| Fuel Tank Capacity | 280 | L (74 gal) | - |
| Hydraulic Tank Capacity | 170 | L (45 gal) | - |
Details Define Quality
Engine Inspection
- The original CAT C4.4 engine had zero oil leakage, and the turbocharger was cleaned to new condition.
Hydraulics Close-Up
- 100% CAT-sealed hydraulic pumps/valves, pressure-tested at 34.3MPa
Cab Condition
- ROPS/FOPS-certified cab, error-free LCD dashboard, renewed joystick grips
Undercarriage
- Track shoe wear <15%, rust-free rollers, X-frame reinforced chassis
Attachments
- Bucket/hammer/ripper available (with thickness inspection report)
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