637K Wheel Tractor-Scraper

637K Open Bowl Scraper

637K Wheel Tractor-Scraper

Product Specs

Tractor Engine

Flywheel Power - Tractor/Scraper
570HP

Engine

Engine Model - Scraper
Cat C9.3 ACERT
Engine Model - Tractor
Cat C18 ACERT™
Flywheel Power - Scraper
290HP
Rated Engine RPM - Scraper
2150r/min
Rated Engine RPM - Tractor
1900r/min
Emissions
Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Flywheel Power - Tractor
570HP

Dimensions

Length - Maximum (Push-Pull)
655.1in
Extended Push Block (Push-Pull)
108in
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
Ground Clearance - Tractor
26.1in
Height - Overall Shipping
163.2in
Height - Scraper Blade Maximum
20in
Height - Top of Cab
147in
Length - Overall Machine - Standard
597in
Width - Inside of Bowl
134in
Width - Outside Rear Tires
143.2in
Width - Overall Machine
155in
Width - Rear Tire Centers
96.9in
Width - Tractor
137.8in

Push-Pull

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

Non Push-Pull

Operating Weight - Empty
114950lb
Overall Length
49.34ft

General

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

Scraper Bowl

Scraper Capacity - Heaped
34yd³

Transmission

Top Speed - Loaded
34.7mile/h

Service Refill Capacities

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

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

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

Worktool Attachments

Equipment

  • Power Train – Tractor
    • Cat C18 ACERT 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 ACERT 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
      • Fuel level
      • Park brake
      • Implement lockout
      • Brake system
      • 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
  • 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

  • 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
    • Year of manufacture plate
  • Service Instructions
    • Film arrangement – International (ISO)

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