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637K Wheel Tractor-Scraper

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Product Specs

Tractor Engine

Flywheel Power - Tractor/Scraper
570 HP

Scraper Bowl

Scraper Capacity - Heaped
34 yd³

Transmission

Top Speed - Loaded
34.7 mile/h

Dimensions

Front of Tractor to Front Axle
142.2 in
Axle to Vertical Hitch Pin
20 in
Wheel Base
346.8 in
Rear Axle - Rear of Machine
90.2 in
Ground Clearance - Tractor
26.1 in
Height - Overall Shipping
163.2 in
Height - Scraper Blade Maximum
20 in
Height - Top of Cab
147 in
Length - Overall Machine - Standard
597 in
Width - Inside of Bowl
134 in
Width - Outside Rear Tires
143.2 in
Width - Overall Machine
155 in
Width - Rear Tire Centers
96.9 in
Width - Tractor
137.8 in
Length - Maximum (Push-Pull)
655.1 in
Extended Push Block (Push-Pull)
108 in

Non Push-Pull

Overall Length
49.34 ft
Operating Weight - Empty
114950 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

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

Travel Speeds - Runout

Transmission Gear - Eighth
34.7 mile/h
Transmission Gear - Fifth
14.1 mile/h
Transmission Gear - First
3.4 mile/h
Transmission Gear - Fourth
10.5 mile/h
Transmission Gear - Reverse
6.2 mile/h
Transmission Gear - Second
6.2 mile/h
Transmission Gear - Seventh
25.7 mile/h
Transmission Gear - Sixth
19 mile/h
Transmission Gear - Third
7.7 mile/h

Implement Cycle Times

Apron Lower
3.8 s
Apron Raise
4 s
Bail Lower
2.1 s
Bail Raise
1.5 s
Bowl Lower
3.5 s
Bowl Raise
3.5 s
Ejector Extend
8.5 s
Ejector Retract
8.5 s

Engine

Engine Model - Scraper
Cat C9.3
Engine Model - Tractor
Cat C18
Flywheel Power - Scraper
290 HP
Rated Engine RPM - Scraper
2150 r/min
Rated Engine RPM - Tractor
1900 r/min
Emissions
Cat C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Flywheel Power - Tractor
570 HP

Push-Pull

Operating Weight - Empty
119060 lb
Overall Length - With Bail Down
54.59 ft

General

180° Curb-to-Curb Turning Width
40.12 ft
Fuel Tank Refill Capacity - Scraper
370 gal (US)
Maximum Depth of Cut
17.7 in
Maximum Depth of Spread
21.1 in
Overall Shipping Height
13.62 ft
Overall Width
12.93 ft
Rated Load
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Heaped
34 yd³
Scraper Capacity - Struck
24 yd³
Tires - Scraper
37.25R35**E3
Tires - Tractor
37.25R35**E3
Top Speed - Loaded
34.7 mile/h
Width - Cut
11.5 ft

Service Refill Capacities

Cooling System - Scraper
16.1 gal (US)
Cooling System - Tractor
19.8 gal (US)
Crankcase - Scraper
6.5 gal (US)
Crankcase - Tractor
13.7 gal (US)
Diesel Exhaust Fluid - Scraper
5.8 gal (US)
Diesel Exhaust Fluid - Tractor
8 gal (US)
Fuel Tank
370 gal (US)
Hydraulic System
37.5 gal (US)
Transmission System - Scraper
12.9 gal (US)
Transmission System - Tractor
29 gal (US)

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)

Attachments

  • 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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