Here are some general specifications for the Komatsu PC300-6 hydraulic excavator:
Engine: Komatsu SAA6D108E-2 diesel engine
Gross power: 184 kW (246 hp) at 1,950 rpm
Operating weight: 30,500 kg (67,200 lb)
Bucket capacity range: 1.4-2.6 m³ (1.8-3.4 yd³)
Maximum digging depth: 7,645 mm (25 ft 1 in)
Maximum reach at ground level: 11,500 mm (37 ft 8 in)
Maximum travel speed: 5.5 km/h (3.4 mph)
Unfortunately, I do not have specific information about the part numbers you listed. If you could provide more information about the specific components you are looking for, I may be able to assist you better.