637 Wheel Tractor-Scraper
Open Bowl Scrapers
Details
Flywheel Power - Tractor/Scraper
570 HP
Scraper Capacity - Heaped
34 yd³
Top Speed - Loaded
34.7 mile/h
Overview
High performance
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.
Benefits
None
Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long
More Productivity
Improvements in fuel efficiency and the new APECS transmission controls deliver more productivity in most applications
None
New safety features help operators be more productive and work more efficiently all day long
Features at a Glance
- Be More Productive
-
Be More Productive
• Up to 12% improvement in productivity.
• Advanced productivity electronic control system (APECS) allows
the engine and transmission to communicate on a high level. This
communication allows the machine to better utilize the power and torque the engine is producing. The net result is moving more material.
• Use ground speed control to set the desired top speed and the machine will find the gear that works best for the engine and the transmission, providing a lower fuel burn.
• The machine speed limit feature replaces top gear selection,
allowing the machine to find the correct gear that works best for
the engine and transmission. Pulling the load in the correct gear, in
most cases, results in lower engine load factor and lower fuel burn.
• Auto-stall assists in quickly bringing the transmission to an
operating temperature at startup when the machine is working in a
cold climate region.
• Cat Payload Estimator for scrapers is an earthmoving solution for optimal payload and jobsite efficiency. Payload Estimator achieves on-the-go weighing by using bowl lift cylinder pressure during the loaded haul segment. Payload Estimator is optimized to be used with sequence assist, which provides increased productivity with less operator effort. Payload Estimator is an automatic feature when ordered with sequence assist.
- Work in Comfort
-
Work in Comfort
• Reduce up to 14 individual operator commands per cycle with sequence assist (optional attachment).
• Steer with less effort using the newly designed high-pressure
steering system.
• Enjoy interior improvements and a more ergonomic work environment with a 21% larger cab than the G Series cab.
• Intuitive, ergonomic controls keep operators focused on their work.
• Maintain desired cab temperature with automatic temperature control.
- Designed for Safety
-
Designed for Safety
• Get in and out of the cab easier with the new powered access ladder system (optional attachment).
• Enhance an operator’s awareness of site surroundings with the optional work area vision system (WAVS).
• Seat belt indicator provides visual and audible alerts when the seat
belt is not in use.
• Advanced cushion hitch allows the cushion hitch to prevent end stroke by having the ability to predict end stroke events and manage the rate of dampening, resulting in reduced hitch maintenance and improved operator ride in rough conditions.
• Easy ground-level access to fuel, water, and engine oil.
- Easy to Operate
-
Easy to Operate
• The spacious cab features easy, intuitive controls and excellent
visibility. The cab provides a comfortable working environment for
all-day operation.
• Cat advanced ride management (ARM) seat suspension reduces
end stroke movement of the load cylinder for a smoother ride.
• Engine overspeed protection will automatically engage with no
operator input when the machine is in eighth gear. The machine will assist in slowing the machine speed by canceling the throttle command and engaging the engine compression brake.
- Integrated Cat Technologies
-
Integrated Cat Technologies
• Monitor, manage, and enhance job site operations.
• Hit target grade faster and more accurately with Cat Grade
technologies. Finish jobs in fewer passes and with less operator
effort, saving you time and helping to increase profit.
• Product Link™ collects machine data that can be viewed online
through web and mobile applications (optional attachment).• Access information anytime, anywhere with VisionLink®– useit to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve the safety and security of your job site.
• Shorten the learning curve for inexperienced operators with load
assist (optional attachment).
- Execute Efficiency
-
Execute Efficiency
• The new tractor hydraulic on-demand fan helps assist in lower fuel
consumption.
• Using draft-arm overflow guards diverts material away from the
bowl, preventing material from getting caught between the draft
arms and the bowl sides.
• Cat Grade Control (optional attachment) intelligently ensures the
machine does not cut below grade in a cut area or overfill in the
fill area.
Specifications
Full Specifications
- General
-
Scraper Capacity - Struck
24 yd³Width - Cut
11.50 ft180° Curb-to-Curb Turning Width
40.12 ftFuel Tank Refill Capacity - Scraper
370 gal (US)Scraper Capacity - Heaped
34 yd³Overall Width
12.93 ftTop Speed - Loaded
34.7 mile/hOverall Shipping Height
13.62 ftMaximum Depth of Cut
17.7 inTires - Tractor
37.25R35**E3Maximum Depth of Spread
21.1 inTires - Scraper
37.25R35**E3Rated Load
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
- Engine
-
Rated Engine RPM - Tractor
1900 r/minEngine Model - Scraper
Cat C9.3Engine Model - Tractor
Cat C18Flywheel Power - Scraper
290 HPRated Engine RPM - Scraper
2150 r/minFlywheel Power - Tractor
570 HPEmissions
Cat C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
- Tractor Engine
-
Flywheel Power - Tractor/Scraper
570 HP
- Scraper Bowl
-
Scraper Capacity - Heaped
34 yd³
- Transmission
-
Top Speed - Loaded
34.7 mile/h
- Service Refill Capacities
-
Hydraulic System
37.5 gal (US)Crankcase - Tractor
13.7 gal (US)Diesel Exhaust Fluid - Tractor
8 gal (US)Diesel Exhaust Fluid - Scraper
5.8 gal (US)Transmission System - Scraper
12.9 gal (US)Fuel Tank
370 gal (US)Cooling System - Scraper
16.1 gal (US)Crankcase - Scraper
6.5 gal (US)Cooling System - Tractor
19.8 gal (US)Transmission System - Tractor
29 gal (US)
- Dimensions
-
Front of Tractor to Front Axle
142.2 inAxle to Vertical Hitch Pin
20 inWheel Base
346.8 inRear Axle - Rear of Machine
90.2 inLength - Maximum (Push-Pull)
655.1 inWidth - Overall Machine
155 inWidth - Rear Tire Centers
96.9 inExtended Push Block (Push-Pull)
108 inWidth - Outside Rear Tires
143.2 inWidth - Inside of Bowl
134 inHeight - Scraper Blade Maximum
20 inGround Clearance - Tractor
26.1 inWidth - Tractor
137.8 inLength - Overall Machine - Standard
597 inHeight - Overall Shipping
163.2 inHeight - Top of Cab
147 in
- Non Push-Pull
-
Operating Weight - Empty
114950 lbOverall Length
49.34 ft
- Push-Pull
-
Overall Length - With Bail Down
54.59 ftOperating Weight - Empty
119060 lb
- 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 9533:2010Brakes
ISO 3450:2011Falling Object Protective Structure (FOPS)
ISO 3449:2005 Level IIRollover Protection Structure (ROPS)
ISO 3471:2008 for up to 21 282 kg (46,919 lb)Seat Belt
SAE J386:FEB2006Steering System
ISO 5010:2007
- Travel Speeds - Runout
-
Transmission Gear - Reverse
6.2 mile/hTransmission Gear - Second
6.2 mile/hTransmission Gear - First
3.4 mile/hTransmission Gear - Seventh
25.7 mile/hTransmission Gear - Sixth
19.0 mile/hTransmission Gear - Fourth
10.5 mile/hTransmission Gear - Third
7.7 mile/hTransmission Gear - Fifth
14.1 mile/hTransmission Gear - Eighth
34.7 mile/h
- Implement Cycle Times
-
Bail Lower
2.1 sApron Lower
3.8 sApron Raise
4.0 sBowl Lower
3.5 sBowl Raise
3.5 sEjector Retract
8.5 sBail Raise
1.5 sEjector Extend
8.5 s
Equipment
- 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)