CAT 639D Elevating Motor Scraper

Contents

Dimensions
Tractor Engine
Operational Specs
Transmission
Weights
Bowl
Elevator

Dimensions

Overall Length	47.68 ft in (14530 mm)
Overall Width	13 ft in (3960 mm)
Overall Height	14.51 ft in (4420 mm)
Wheelbase	29.5 ft in (8990 mm)

Tractor Engine

Make	CAT
Model	3408
Gross Power	450.6 hp (336 kw)
Displacement	1098.5 cu in (18 L)

Operational Specs

Fuel Tank Capacity	370.7 gal (1403 L)
Tire Size	37.25-35 42PR E-3

Transmission

Number Of Forward Gears	8
Max Speed Forward	33 mph (53 km/h)

Weights

Total Operating – Empty	123899.8 lb (56200 kg)
Front Axle – Empty	73100.9 % (73100.881 %)
Rear Axle – Empty	50799 % (50798.9173 %)
Total Operating – Loaded	198857 lb (90200 kg)
Front Axel – Loaded	101417 lb (46002 kg)
Rear Axle – Loaded	97440 % (97439.9161 %)

Bowl

Rated Payload	74957 lb (34000 kg)
Heaped Capacity	34.1 yd3 (26 m3)
Max Depth Of Cut	15 in (381 mm)
Width Of Cut	11.5 ft in (3500 mm)

Elevator

Number Of Flights

20

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