24-6 Edition 47
Wheel Tractor-Scrapers
Specifications
●
Coal Bowl
MODEL
637K
657G
Flywheel Power:Tractor
425 kW
570 hp
421/447 kW
564/600 hp
Flywheel Power:
Scraper
216 kW
290 hp
306/337 kW
410/451 hp
Approx. OperatingWeight (Empty)
53 425 kg
117,782 lb
72 190 kg
158,817 lb
Scraper Capacity: Struck
31 m
3
41 yd
3
45 m
3
59 yd
3
Scraper Capacity:
Heaped
38 m
3
50 yd
3
56 m
3
73 yd
3
Emission Standards
Tier 4 Final/Stage IV/
Japan 2014 (Tier 4 Final)
Tier 3/Stage IIIA/
Japan 2006 (Tier 3) equivalent
Rated Load
37 285 kg
82,200 lb
49 895 kg
110,000 lb
Approx. OperatingWeight (Loaded)
90 710 kg
199,982 lb
121 933 kg
268,817 lb
Top Speed (Loaded)
55.8 km/h
34.7 mph
53 km/h
33 mph
180° Curb-to-CurbTurningWidth
21.46 m
70'5"
24.43 m
80'2"
GENERAL DIMENSIONS:
Height — Overall Shipping
4.15 m
13'7"
4.62 m
15'2"
Wheelbase
9.57 m
31'5"
11.01 m
36'1"
Overall Length
15.48 m
50'10"
17.21 m
56'5"
Overall Width
3.94 m
12'11"
4.35 m
14'4"
ShippingWidth
(Draft Arm on Inside of Bowl)
—
3.91 m *
12'10"
Center Line of Scraper Tread
2.46 m
8'1"
2.81 m
9'3"
Center Line of Tractor Tread
2.46 m
8'1"
2.63 m
8'8"
*Standard Shipping Configuration.
◀
Operating weight includes standard machine, coolant, lubricants, full fuel tank, and operator. Operating weights for the 637K are based on Tier 4 Final/
Stage IV/Japan 2014 (Tier 4 Final) and operating weights for the 657G are based on Tier 3/Stage IIIA/Japan 2006 (Tier 3) equivalent platform machines.
Deduct 650 kg
(1433 lb)
for the operating weight for the 637K Tier 2/Stage II/Japan 2001 (Tier 2) equivalent.
NOTE:
WheelTractor-Scrapers are not emission certified in Japan market.
Coal Bowl
Coal Bowl WheelTractor-Scrapers are typically used for building and maintaining coal stockpiles and hauling coal to
the supply system at coal power plants. The self-loading capability, large capacity, coal pile compaction, and high
speed of Coal Bowl Wheel Tractor-Scrapers make them the tool of choice for moving coal both short and long dis-
tances. Coal Bowl WheelTractor-Scrapers are available in the 637K and 657G tandem engine models.
Coal Bowl Advantages:
●
Load hoppers
●
Manage coal stockpiles
●
Compaction reduces risk of spontaneous combustion
in coal stockpile
●
Exclusively designed large capacity coal bowls
Notes:
●
The 637K Coal Scraper is 736 mm
(29.0")
longer, the
bowl sides are 476 mm
(18.7")
taller, and the apron is
499 mm
(19.6")
taller than its earthmoving counterpart.
●
The 657G Coal Scraper is 1072 mm
(42.2")
longer, the
bowl sides are 1010 mm
(39.8")
taller, the apron is
677 mm
(26.7")
taller, and the ejector is 944 mm
(37.2")
taller than its earthmoving counterpart.




