بلدوزر Komatsu D155A

Engine
Model: Komatsu SAA6D140E-5 (6-cyl, turbocharged, air-to-air aftercooled)
Rated Power: 264 kW (354 hp) @ 1900 rpm (net, ISO 9249)
Gross Power: 268 kW (360 hp) @ 1900 rpm (SAE J1995)Komatsu
Displacement: 15.24 LKomatsu
Emission: Tier 2 / Stage II
Weight & Dimensions
Operating Weight: 41,700 kg (91,930 lb) (with Semi-U blade + giant ripper)
Tractor Weight: 32,300 kg (71,200 lb) (base unit)
Blade Capacity: 9.4–21.7 m³ (12.3–28.4 yd³) (Semi-U / U-blade)
Track Shoe Width: 560 mm (std)
Ground Pressure: 78 kPa (11.3 psi)
Transport Length: 8,940 mm (blade straight)
Transport Width: 3,720 mm
Transport Height: 3,410 mm
Blade & Ripper Performance
Max Blade Tilt: ±450 mm
Giant Ripper (1-shank): Max digging depth 1,370 mm; Max lift 950 mm
Multi-shank Ripper (3-shank): Max digging depth 900 mm
Hydraulic System
Main Pumps: 2 × variable displacement piston pumps
System Relief Pressure: 27.5 MPa (3,990 psi)
Hydraulic Tank Capacity: 95 L (25.1 gal)Komatsu
Travel & Undercarriage
Travel Speed (Forward/Reverse): 0–3.6 / 0–4.2 km/h
Track Rollers (each side): 7
Carrier Rollers (each side): 2
Track Shoes (each side): 42
Gradeability: 35° (70%)
Capacities
Fuel Tank: 625 L (165.1 gal)
Coolant: 82 L (21.7 gal)
Engine Oil: 37 L (9.8 gal)
Transmission/Steering: 90 L (23.8 gal)
Final Drive (each): 31 L (8.2 gal)
Key Features
Komatsu SAA6D140E-5 engine, high power & fuel efficiency
SIGMADOZER blade (optional) reduces digging resistance
Automatic TORQFLOW transmission with lockup clutchKomatsu
ROPS/FOPS enclosed pressurized cab
Heavy-duty undercarriage for mining & heavy construction