Open Bowl, Coal Bowl
Cat 637K
Operating Weight
54,140 kg
Power
425kW (570hp)
Top Speed
55.8km/hr

637K Wheel Tractor-Scraper
Specifications
Operating Weight
54,140 kg
Power
425kW (570hp)
Top Speed
55.8km/hr
Width
3.94m
Scraper Capacity
18.3m³
Specifications
Engine
Flywheel Power - Tractor/Scraper
425 kW (570 hp)/216 kW (290 hp)
Operating Specifications
Scraper Capacity - Heaped
38m³
Top Speed - Loaded
55.8km/h
Cab
Exterior Sound Power Level
The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
ROPS/FOPS
Meet ISO standards
Dimensions
Axle to Vertical Hitch Pin
509mm
Front of Tractor to Front Axle
3612mm
Ground Clearance - Tractor
664mm
Height - Overall Shipping
4140mm
Height - Scraper Blade Maximum
538mm
Height - Top of Cab
3733mm
Length - Overall Machine - Standard
15480mm
Rear Axle - Rear of Machine
2424mm
Wheel Base
9576mm
Width - Inside of Bowl
3404mm
Width - Outside Rear Tires
3636mm
Width - Overall Machine
3937mm
Width - Rear Tire Centers
2462mm
Width - Tractor
3499mm
General
180° Curb-to-Curb Turning Width
12.98m
Emissions
Cat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
Engine Model - Scraper
Cat C9.3
Engine Model - Tractor
Cat C18
Flywheel Power - Scraper
216kW
Flywheel Power - Tractor
425kW
Fuel Tank Refill Capacity - Scraper
1400l
Maximum Depth of Cut
450mm
Maximum Depth of Spread
535mm
Operating Weight - Empty
52425kg
Overall Length
15480mm
Overall Shipping Height
4.15m
Overall Width
3.94m
Rated Engine RPM - Scraper
2150r/min
Rated Engine RPM - Tractor
1900r/min
Rated Load
34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Scraper Capacity - Heaped
38m³
Scraper Capacity - Struck
31m³
Tires - Scraper
37.25R35**E3
Tires - Tractor
37.25R35**E3
Top Speed - Loaded
55.8km/h
Width - Cut
3.51m
Implement Cycle Times
Apron Lower
3.8s
Apron Raise
4s
Bail Lower
2.1s
Bail Raise
1.5s
Bowl Lower
3.5s
Bowl Raise
3.5s
Ejector Extend
8.5s
Ejector Retract
8.5s
Safety Criteria Compliance Standards
Brakes
ISO 3450:2011
Falling Object Protective Structure (FOPS)
ISO 3449:2005 Level II
Reverse Alarm
ISO 9533:2010
Rollover Protection Structure (ROPS)
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat Belt
SAE J386:FEB2006
Steering System
ISO 5010:2007
Service Refill Capacities
Cooling System - Scraper
61l
Cooling System - Tractor
75l
Crankcase - Scraper
24.5l
Crankcase - Tractor
52l
Diesel Exhaust Fluid - Scraper
22l
Diesel Exhaust Fluid - Tractor
30.5l
Fuel Tank
1400l
Hydraulic System
142l
Transmission System - Scraper
49l
Transmission System - Tractor
110l
Travel Speeds - Runout
Transmission Gear - Eighth
55.8km/h
Transmission Gear - Fifth
22.7km/h
Transmission Gear - First
5.5km/h
Transmission Gear - Fourth
16.9km/h
Transmission Gear - Reverse
9.9km/h
Transmission Gear - Second
10km/h
Transmission Gear - Seventh
41.95km/h
Transmission Gear - Sixth
30.6km/h
Transmission Gear - Third
12.4km/h
GALLERY

How does the 637K Compare?
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Wheel Tractor-Scrapers Cat 637K
Operating Weight54,140 kgPower425kW (570hp)Top Speed55.8km/hrSELECTED MODEL -
Wheel Tractor-Scrapers Cat 631K
Operating Weight46,600kgPower425kW (570hp)Top Speed55.8km/hr -
Wheel Tractor-Scrapers Cat 627K
Operating Weight40,913 kgPower304kW (407hp)Top Speed53.9km/hr