Specification Category	Details
Basic & Weight Parameters
Model Name	Komatsu WA470-8 (mainstream current generation model)
Operating Weight (Typical)	Approximately 24,500 – 26,000 kg (54,013 – 57,320 lb) (varies by bucket/accessories)
Rated Load Capacity (ISO 14397-1)	6,000 kg (13,228 lb) (for general-purpose loading scenarios)
Bucket & Work Performance
Standard Bucket Capacity (Struck)	3.8 – 4.2 m³ (5.0 – 5.5 yd³) (general-purpose bucket; optional rock bucket: 3.5 – 3.8 m³ / 4.6 – 5.0 yd³)
Bucket Capacity (Heaped, 2:1 Fill Factor)	5.2 – 5.8 m³ (6.8 – 7.6 yd³)
Bucket Breakout Force	Approximately 210 – 230 kN (47,210 – 51,710 lbf)
Dump Height (At Maximum Lift)	Approximately 3,400 – 3,600 mm (133.9 – 141.7 in)
Dump Reach (At Maximum Lift)	Approximately 1,400 – 1,550 mm (55.1 – 61.0 in)
Lift Time (Ground to Max Height)	Approximately 5.0 – 6.0 seconds
Lower Time (Max Height to Ground)	Approximately 2.5 – 3.5 seconds
Tilt Time (Bucket Roll Back to Full Dump)	Approximately 3.0 – 4.0 seconds
Engine Parameters
Engine Model	Komatsu SAA6D114E-6 (Tier 4 Final / EU Stage V emission standard)
Net Power (SAE J1349)	Approximately 173 kW (232 hp) at 2,000 rpm
Gross Power (SAE J1995)	Approximately 180 kW (241 hp) at 2,000 rpm
Aspiration Type	Turbocharged + air-to-air intercooled
Fuel Tank Capacity	Approximately 470 – 500 L (124.2 – 132.1 gal)
Dimensions
Overall Length (With Bucket on Ground)	Approximately 8,800 – 9,200 mm (346.5 – 362.2 in)
Overall Width (Over Standard Tires)	Approximately 3,100 – 3,300 mm (122.0 – 129.9 in)
Overall Height (To Top of Cab)	Approximately 3,400 – 3,600 mm (133.9 – 141.7 in)
Wheelbase	Approximately 3,200 – 3,400 mm (126.0 – 133.9 in)
Turning Radius (Outside of Tire)	Approximately 6,800 – 7,200 mm (267.7 – 283.5 in)
Transmission & Travel
Transmission Type	Komatsu Power Shift Transmission (4 forward gears, 3 reverse gears)
Maximum Forward Speed	Approximately 40 – 45 km/h (24.9 – 27.9 mph)
Maximum Reverse Speed	Approximately 25 – 30 km/h (15.5 – 18.6 mph)
Tire Size (Standard, Front/Rear)	26.5R25 (L-3) / 26.5R25 (L-3) (heavy-duty off-road tires)
Hydraulic & Electrical Systems
Hydraulic System Relief Pressure (Main)	Approximately 22,000 – 24,000 kPa (3,191 – 3,481 psi)
Hydraulic Flow (Main Pump)	Approximately 260 – 300 L/min (68.7 – 79.3 gpm)
Hydraulic System Capacity (Including Tank)	Approximately 250 – 280 L (66.0 – 74.0 gal)
Operating Voltage	24 V DC (dual-battery configuration)

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