Basic Information
Model: CAT®340 Hydraulic Excavator

Category: Large Mining/Construction Excavator (30-50t class)

Manufacturer: Caterpillar Inc.

Emission Standard: China National IV

Engine & Performance
Engine Model: Cat® C9.3B

Engine Type: Turbocharged Diesel

Displacement: 9.3 L

Rated Power: 258.3 kW (346 hp) @ 2,000 rpm

Fuel Tank Capacity: 600 L

Fuel Consumption: Estimated 20-24 L/h (under typical load)

Hydraulic System
Main Pump Type: Variable Displacement Piston Pumps

Max Flow Rate: 560 L/min (280 × 2 pumps)

System Pressure:

Main Relief: 35 MPa

Swing Circuit: 29.4 MPa

Swing Speed: 8.84 rpm

Swing Torque: 143 kN·m

Dimensions & Undercarriage
Operating Weight: 38,700 kg

Transport Dimensions (L×W×H): 11,160 × 3,340 × 3,180 mm

Track Shoe Width: 600 mm (standard)

Ground Pressure: ~53 kPa (estimated)

Ground Clearance: 510 mm

Digging Performance
Bucket Capacity: 2.38 m³ (HD Rock Bucket)

Max Digging Depth: 7,590 mm

Max Reach at Ground Level: 11,130 mm

Breakout Force:

Bucket: 208 kN

Arm: 164 kN

Operator Environment & Features
Cab: ROPS/FOPS Certified

Air Conditioning: Standard

Monitor: Advanced LCD Display (Cat® Connect telematics)

Noise Level: ~72 dB (estimated, cabin)

Key Features:

Exhaust Aftertreatment: Maintenance-free

Durability: Reinforced structures for mining conditions

Productivity: 10% higher vs. CAT®336 (China III)

Optional Configurations
Bucket Types: Rock bucket (2.38 m³), Hydraulic Hammer (195 mm)

Track Options: Wider shoes for soft ground

Comparison with CAT®336 (China III)
Power Increase: +10% (258.3 kW vs. 232 kW)

Fuel Efficiency: Improved due to China IV compliance

Structural Upgrades: Enhanced durability for heavy-duty use