Basic Information

Model: PC450-8

Type: Crawler Hydraulic Excavator

Manufacturer: Komatsu Ltd.

Operating Weight: 45,000 kg (standard configuration)

Emission Standard: Tier 3/Stage IIIA equivalent

Power System

Engine Model: Komatsu SAA6D125E-5

Engine Type: Turbocharged diesel with intercooler

Displacement: 8.7 L

Net Power: 253 kW (339 hp) @ 1,900 rpm

Max Torque: 1,570 Nm @ 1,500 rpm

Fuel Tank Capacity: 650 L

Fuel Consumption: ~23-28 L/h (typical operation)

Hydraulic System

Hydraulic Pump: Variable displacement axial piston pumps (x2)

Max Flow Rate: 2 × 284 L/min

System Pressure:

Main circuit: 34.3 MPa

Pilot circuit: 3.9 MPa

Swing Mechanism:

Speed: 9.5 rpm

Torque: 245 kN·m

Undercarriage

Track Shoe Width Options: 600 mm / 800 mm

Ground Pressure: 60 kPa (with 800 mm shoes)

Track Gauge: 2,590 mm

Track Length on Ground: 4,890 mm

Dimensions

Transport Length: 11,800 mm

Transport Width: 3,190 mm (with 800 mm shoes)

Transport Height: 3,330 mm (cab top)

Min. Turning Radius: 4,500 mm

Digging Performance

Max Digging Depth: 7,980 mm

Max Reach at Ground Level: 11,250 mm

Max Dumping Height: 7,380 mm

Bucket Capacity Range: 1.8 - 2.5 m³

Breakout Forces:

Bucket: 290 kN

Arm: 210 kN

Operator Environment

Cab Features:

ROPS/FOPS certified

Air suspension seat

Automatic climate control

7-inch LCD monitor

Noise Level: < 72 dB (operator cabin)

Optional Attachments

Bucket Types: GP, HD, Rock, Trenching

Work Tools: Hydraulic breaker, grapple, demolition shear

Maintenance Features

Service Intervals: 500 hours (standard)

Greasing Points: Centralized (43 points)

Engine Oil Capacity: 28 L

Technology Features

KOMTRAX: Remote monitoring system

Power Mode Selector (P/E modes)

Auto-decelerator system