At a glance data:
Scraper Capacity - Struck:
24yd³
Width - Cut:
11.50ft
180° Curb-to-Curb Turning Width:
40.12ft
Fuel Tank Refill Capacity - Scraper:
370gal (US)
Overview
Cat’s 637 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.
Category:
Open Bowl Scrapers
Category:
Open Bowl Scrapers
Brand:
Caterpillar
Brand:
Caterpillar
General
Scraper Capacity - Struck:
24yd³
Width - Cut:
11.50ft
180° Curb-to-Curb Turning Width:
40.12ft
Fuel Tank Refill Capacity - Scraper:
370gal (US)
Scraper Capacity - Heaped:
34yd³
Overall Width:
12.93ft
Top Speed - Loaded:
34.7mile/h
Overall Shipping Height:
13.62ft
Maximum Depth of Cut:
17.7in
Tires - Tractor:
37.25R35**E3
Maximum Depth of Spread:
21.1in
Tires - Scraper:
37.25R35**E3
Rated Load:
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Engine
Rated Engine RPM - Tractor:
1900r/min
Engine Model - Scraper:
Cat C9.3
Engine Model - Tractor:
Cat C18
Flywheel Power - Scraper:
290hp
Rated Engine RPM - Scraper:
2150r/min
Flywheel Power - Tractor:
570hp
Emissions:
Cat C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Tractor Engine
Flywheel Power - Tractor/Scraper:
570hp
Scraper Bowl
Scraper Capacity - Heaped:
34yd³
Transmission
Top Speed - Loaded:
34.7mile/h
Service Refill Capacities
Hydraulic System:
37.5gal (US)
Crankcase - Tractor:
13.7gal (US)
Diesel Exhaust Fluid - Tractor:
8gal (US)
Diesel Exhaust Fluid - Scraper:
5.8gal (US)
Transmission System - Scraper:
12.9gal (US)
Fuel Tank:
370gal (US)
Cooling System - Scraper:
16.1gal (US)
Crankcase - Scraper:
6.5gal (US)
Cooling System - Tractor:
19.8gal (US)
Transmission System - Tractor:
29gal (US)
Dimensions
Front of Tractor to Front Axle:
142.2in
Axle to Vertical Hitch Pin:
20in
Wheel Base:
346.8in
Rear Axle - Rear of Machine:
90.2in
Length - Maximum (Push-Pull):
655.1in
Width - Overall Machine:
155in
Width - Rear Tire Centers:
96.9in
Extended Push Block (Push-Pull):
108in
Width - Outside Rear Tires:
143.2in
Width - Inside of Bowl:
134in
Height - Scraper Blade Maximum:
20in
Ground Clearance - Tractor:
26.1in
Width - Tractor:
137.8in
Length - Overall Machine - Standard:
597in
Height - Overall Shipping:
163.2in
Height - Top of Cab:
147in
Non Push-Pull
Operating Weight - Empty:
114950lb
Overall Length:
49.34ft
Push-Pull
Overall Length - With Bail Down:
54.59ft
Operating Weight - Empty:
119060lb
Cab
Exterior Sound Level:
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
ROPS/FOPS:
ROPS/FOPS meet “ISO Standards.”
Safety Criteria Compliance Standards
Reverse Alarm:
ISO 9533:2010
Brakes:
ISO 3450:2011
Falling Object Protective Structure (FOPS):
ISO 3449:2005 Level II
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
Travel Speeds - Runout
Transmission Gear - Reverse:
6.2mile/h
Transmission Gear - Second:
6.2mile/h
Transmission Gear - First:
3.4mile/h
Transmission Gear - Seventh:
25.7mile/h
Transmission Gear - Sixth:
19.0mile/h
Transmission Gear - Fourth:
10.5mile/h
Transmission Gear - Third:
7.7mile/h
Transmission Gear - Fifth:
14.1mile/h
Transmission Gear - Eighth:
34.7mile/h
Implement Cycle Times
Bail Lower:
2.1s
Apron Lower:
3.8s
Apron Raise:
4.0s
Bowl Lower:
3.5s
Bowl Raise:
3.5s
Ejector Retract:
8.5s
Bail Raise:
1.5s
Ejector Extend:
8.5s
Standard Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
power train – tractor
- Cat C18 engine with MEUI™
- Compression engine brake
- Electric start, 24V
- Air cleaner, dry type with precleaner
- Fan, hydraulic
- Ground level engine shutdown
- Radiator, aluminum unit core, 9 fins per inch
- Guard, crankcase
- Starting aid, ether
- Braking system:
- Primary and secondary, wet disc, hydraulic actuated
- Parking, hydraulic-released, spring-applied
- Throttle lock
- Transmission:
- 8-speed planetary power shift
- ECPC control
- APECS software
- Programmable top gear selection
- Transmission hold
- Differential lock
- Guard, power train
- Standard tire spin reduction
- Ground speed control
- Machine speed limit
- Differential lock protection
power train – scraper
- Cat C9.3 engine:
- High pressure common rail fuel
- Constant lift engine brake
- Electric start, 24V
- Air cleaner, dry type with precleaner
- Fan, mechanical driven
- Ground level engine shutdown
- Radiator, aluminum unit core, 9 fins per inch
- Starting aid, either
- Braking system:
- Primary and secondary, dry caliper, hydraulic actuated
- Transmission:
- 4-speed (torque converter drive)
- Planetary power shift
electrical – tractor
- Alternator, 150 Amp
- Batteries (4), 12V, 1,000 CCA, maintenance free, high output
- Electrical system, 24V
- Lighting system:
- Headlights, LED
- Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
- Starting/charging receptacle
electrical – scraper
- Alarm, backup
- Batteries (4) 12V, 1,000 CCA, maintenance free, high output
- Alternator, 65 Amp
- Electrical system, 24V
- Lighting system:
- Brake lights, LED
- Turn signals with hazard function, LED
operator environment – tractor
- HVAC system, heat, AC, defrost
- Thermostat control of HVAC system
- Coat hook
- Lunchbox platform with holding strap
- Diagnostic connection (2)
- 12V power ports (2)
- Differential lock (1)
- Dome courtesy light
- Horn, electric
- T-Handle implement control
- Mirror, rearview
- Radio ready
- ROPS/FOPS cab, pressurized
- Keypad switches:
- Throttle lock
- Wipers/washers
- Hazard lights
- Retarding level select
- Work lights on, off
- Information mode on Messenger Display
- Safety tab rocker switches
- Seat belt, static two-piece
- Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
- Steering wheel, tilt, telescoping, padded
- Windows, right side emergency egress
- Windows, sliding
- Windows, laminated, zipped in
- Windshield wipers, front and rear windows, includes washers
- Door lock
- Messenger Display
- Gauges, warnings include:
- Coolant temperature
- Engine oil temperature
- Hydraulic oil temperature
- Diesel Particulate Filter (DPF) temperature
- Fuel level
- Park brake
- Implement lockout
- Brake system
- Regeneration required
- Throttle lock
- System voltage
- Secondary steering
- Bail down
- Ejector auto
- Differential lock
- Apron float
- Transmission hold
- Cushion hitch
- High beam lights
- Action lamp
- Engine speed, rpm
- Gear selection
- DEF fill levels
fluids
- Extended Life Coolant to –37° C (–34° F)
other standard equipment – tractor
- Advanced cushion hitch
- Accumulators (cushion hitch) with Canadian Registration Number (CRN)
- Fast oil change
- Fenders, non-metallic
- Heater, engine coolant 120V
- Rims (2)
- Tow hooks, front
- Vandalism locks
- Heater, engine coolant 120V
- Steering locks
other standard equipment – scraper
- Bowl:
- 18.3 m3 (24 yd3), struck
- 26 m3 (34 yd3), heaped
- Vandalism locks
- Scraper fenders
- Overflow guard
- Fast oil change
- Rims (2)
- Hydraulic position sensing cylinders (bowl lift and apron)
Optional Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
steering arrangements
- Secondary Steering Arrangement
integrated technologies
- Sequence Assist Arrangement with Payload Estimator
- Load Assist
- Cat Grade Control with Load Assist
- Advanced Tire Spin Reduction
other attachments
- Camera arrangement – Work Area Vision System (WAVS)
- Cab beacon
- Air horn
- Air horn and beacon
- Wiring group
- Push Pull
service instructions
- Film arrangement – U.S. (ANSI)
- Film arrangement – International (ISO)
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