# Cat® 307 Mini Hydraulic Excavator Specifications
## 1. Engine
- Model: Cat C2.4 DI Turbocharged
- Rated Net Power (ISO 9249, 2200 rpm): 36.5 kW / 49.6 hp
- Gross Power (SAE J1995): 39.6 kW / 53.1 hp
- Displacement: 2.4 L / 146.5 in³
- Bore × Stroke: 87 mm × 102 mm (3.4 in × 4.0 in)
- Emission Standard: EU Stage V / EPA Tier 4 Final
- Fuel Tank Capacity: 110 L / 29.1 gal
## 2. Operating Weight
- Standard configuration (cab, steel tracks, standard stick, bucket, dozer blade, full fuel, operator):
7500 kg / 15,432 lb
- Ground Pressure: 33.9 kPa / 4.92 psi
## 3. Hydraulic System
- System Type: Load-sensing variable displacement piston pump
- Main Pump Max Flow: 167 L/min / 44 gpm
- Main Circuit Working Pressure: 285 bar / 4134 psi
- Swing Circuit Pressure: 240 bar / 3481 psi
- Auxiliary 1 Flow: 131 L/min / 35 gpm
- Auxiliary 2 Flow: 33 L/min / 9 gpm
- Bucket Digging Force: 53.2 kN / 11,960 lbf
- Stick Digging Force (Standard Stick): 36.3 kN / 8,161 lbf
## 4. Front Linkage Dimensions (Standard Stick)
- Boom Length: 3700 mm / 145.7 in
- Standard Stick Length: 1665 mm / 65.6 in
- Standard Bucket Capacity: 0.33 m³ / 11.7 ft³
- Max Digging Depth: 4110 mm / 13.48 ft
- Max Ground Reach: 6200 mm / 20.34 ft
- Max Vertical Wall Dig Depth: 3640 mm / 11.9 ft
- Max Dump Height: 4470 mm / 14.67 ft
## 5. Undercarriage & Travel
- Track Shoe Width (Standard Steel): 400 mm / 15.7 in
- Max Travel Speed: 4.3 km/h / 2.67 mph
- Max Traction Force: 62.4 kN / 14,035 lbf
- Maximum Gradeability: 20°
- Swing Speed: 10.5 rpm
- Rear Swing Radius: 1930 mm / 76.0 in
## 6. Dozer Blade
- Blade Width: 2300 mm / 90.6 in
- Blade Height: 363 mm / 14.3 in
## 7. Overall Machine Dimensions
- Total Transport Length: 5850 mm / 19.19 ft
- Total Transport Width: 2300 mm / 90.6 in
- Transport Height (Cab): 2558 mm / 101.0 in
- Track Length on Ground: 2100 mm / 82.7 in
## 8. Standard Key Features
1. Dual power modes: Standard / Heavy load for fuel saving or high productivity
2. Auto-idle function to cut fuel consumption and noise
3. Sealed pressurized cab with suspension operator seat and air conditioning
4. Wide side service doors for ground-level daily maintenance
5. Standard auxiliary hydraulic lines for attachments (hammer, grapple)
6. Heavy-duty reinforced frame and counterweight for stable operation
7. Onboard monitor with battery voltage indicator and fault diagnosis
8. Grease-lubricated track links for extended service life
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