637K Wheel Tractor-Scraper

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Product Description

Cat’s 637K Wheel Tractor-Scraper is engineered to conquer challenges operators face worldwide. With its strength and durability, it works in some of the most difficult conditions and materials one can find.

Specifications
Us
Metric
General
Rated Load
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Fuel Tank Refill Capacity - Scraper
370 gal (US)
1400 l
180° Curb-to-Curb Turning Width
40.12 ft
12.23 m
Overall Shipping Height
13.62 ft
4.15 m
Overall Width
12.93 ft
3.94 m
Top Speed - Loaded
34.7 mile/h
55.8 km/h
Scraper Capacity - Heaped
34 yd³
26 m³
Width - Cut
11.5 ft
3.51 m
Maximum Depth of Cut
17.7 in
450 mm
Tires - Scraper
37.25R35**E3
Maximum Depth of Spread
21.1 in
535 mm
Scraper Capacity - Struck
24 yd³
18.3 m³
Tires - Tractor
37.25R35**E3
Engine
Rated Engine RPM - Tractor
1900 r/min
1900 r/min
Rated Engine RPM - Scraper
2150 r/min
2150 r/min
Flywheel Power - Scraper
290 hp
216 kW
Engine Model - Scraper
Cat C9.3
Emissions
Cat C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Flywheel Power - Tractor
570 hp
425 kW
Engine Model - Tractor
Cat C18
Tractor Engine
Flywheel Power - Tractor/Scraper
570 hp
425 kW
Scraper Bowl
Scraper Capacity - Heaped
34 yd³
26 m³
Transmission
Top Speed - Loaded
34.7 mile/h
55.8 km/h
Service Refill Capacities
Crankcase - Tractor
13.7 gal (US)
52 l
Crankcase - Scraper
6.5 gal (US)
24.5 l
Transmission System - Tractor
29 gal (US)
110 l
Hydraulic System
37.5 gal (US)
142 l
Diesel Exhaust Fluid - Scraper
5.8 gal (US)
22 l
Diesel Exhaust Fluid - Tractor
8 gal (US)
30.5 l
Fuel Tank
370 gal (US)
1400 l
Transmission System - Scraper
12.9 gal (US)
49 l
Cooling System - Scraper
16.1 gal (US)
61 l
Cooling System - Tractor
19.8 gal (US)
75 l
Dimensions
Front of Tractor to Front Axle
142.2 in
3612 mm
Axle to Vertical Hitch Pin
20 in
509 mm
Wheel Base
346.8 in
8808 mm
Rear Axle - Rear of Machine
90.2 in
2292 mm
Width - Inside of Bowl
134 in
3404 mm
Height - Scraper Blade Maximum
20 in
510 mm
Length - Overall Machine - Standard
597 in
15164 mm
Height - Overall Shipping
163.2 in
4145 mm
Width - Outside Rear Tires
143.2 in
3636 mm
Length - Maximum (Push-Pull)
655.1 in
16640 mm
Extended Push Block (Push-Pull)
108 in
2744 mm
Width - Rear Tire Centers
96.9 in
2462 mm
Width - Overall Machine
155 in
3937 mm
Width - Tractor
137.8 in
3499 mm
Height - Top of Cab
147 in
3733 mm
Ground Clearance - Tractor
26.1 in
664 mm
Non Push-Pull
Overall Length
49.34 ft
15.04 m
Operating Weight - Empty
114950 lb
52140 kg
Push-Pull
Overall Length - With Bail Down
54.59 ft
16.64 m
Operating Weight - Empty
119060 lb
54005 kg
Cab
ROPS/FOPS
ROPS/FOPS meet “ISO Standards.”
Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
Safety Criteria Compliance Standards
Seat Belt
SAE J386:FEB2006
Reverse Alarm
ISO 9533:2010
Rollover Protection Structure (ROPS)
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Brakes
ISO 3450:2011
Falling Object Protective Structure (FOPS)
ISO 3449:2005 Level II
Steering System
ISO 5010:2007
Travel Speeds - Runout
Transmission Gear - Third
7.7 mile/h
12.4 km/h
Transmission Gear - Reverse
6.2 mile/h
9.9 km/h
Transmission Gear - First
3.4 mile/h
5.5 km/h
Transmission Gear - Seventh
25.7 mile/h
41.95 km/h
Transmission Gear - Fifth
14.1 mile/h
22.7 km/h
Transmission Gear - Eighth
34.7 mile/h
55.8 km/h
Transmission Gear - Fourth
10.5 mile/h
16.9 km/h
Transmission Gear - Second
6.2 mile/h
10 km/h
Transmission Gear - Sixth
19 mile/h
30.6 km/h
Implement Cycle Times
Bail Lower
2.1 s
2.1 s
Ejector Extend
8.5 s
8.5 s
Apron Lower
3.8 s
3.8 s
Bowl Raise
3.5 s
3.5 s
Bowl Lower
3.5 s
3.5 s
Apron Raise
4 s
4 s
Bail Raise
1.5 s
1.5 s
Ejector Retract
8.5 s
8.5 s
Standard/Optional

Standard Equipment

NOTE
POWER TRAIN – TRACTOR
POWER TRAIN – SCRAPER
ELECTRICAL – TRACTOR
ELECTRICAL – SCRAPER
OPERATOR ENVIRONMENT – TRACTOR
FLUIDS
OTHER STANDARD EQUIPMENT – TRACTOR
OTHER STANDARD EQUIPMENT – SCRAPER

Optional Equipment

NOTE
STEERING ARRANGEMENTS
INTEGRATED TECHNOLOGIES
OTHER ATTACHMENTS
SERVICE INSTRUCTIONS

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