637K Wheel Tractor-Scraper

637K Open Bowl Scraper

637K Wheel Tractor-Scraper

Benefits & Features

Product Specs

Tractor Engine

Flywheel Power: Tractor/Scraper
570hp

Scraper Bowl

Scraper Capacity: Heaped
34yd3

Transmission

Top Speed (Loaded)
34.7mph

Dimensions

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

Engine

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

Travel Speeds (Runout)

Transmission Gear: Eighth
34.7mph
Transmission Gear: Fifth
14.1mph
Transmission Gear: First
3.4mph
Transmission Gear: Fourth
10.5mph
Transmission Gear: Reverse
6.2mph
Transmission Gear: Second
6.2mph
Transmission Gear: Seventh
25.7mph
Transmission Gear: Sixth
19.0mph
Transmission Gear: Third
7.7mph

Push-Pull

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

General Data

180° Curb-to-Curb Turning Width
40.12ft
Fuel Tank Refill Capacity: Scraper
370gal
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)
34.7mph
Width of Cut
11.50ft

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.”

Implement Cycle Times

Apron Lower
3.8seconds
Apron Raise
4.0seconds
Bail Lower
2.1seconds
Bail Raise
1.5seconds
Bowl Lower
3.5seconds
Bowl Raise
3.5seconds
Ejector Extend
8.5seconds
Ejector Retract
8.5seconds

Service Refill Capacities

Cooling System: Scraper
16.1gal
Cooling System: Tractor
19.8gal
Crankcase: Scraper
6.5gal
Crankcase: Tractor
13.7gal
Fuel Tank
370gal
Hydraulic System
37.5gal
Transmission System: Scraper
12.9gal
Transmission System: Tractor
29gal

Non Push-Pull

Operating Weight (Empty)
114950lb
Overall Length
49.34ft

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

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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