631K - 2016, Tier 4 Final, Stage IV Wheel Tractor-Scraper

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631K – 2016, Tier 4 Final, Stage IV

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers to consistently deliver high productivity at the lowest cost per ton.

Every last detail of the 631K- 2016, tier 2, Stage II was made to make your job site more productive, efficient and safe. For example, this wheel tractor-scraper comes with Advanced Cushion Hitch, which helps to make the ride smoother for the operator and reduces hitch maintenance. Tire Spin Reduction is another feature you’ll love, and it controls the slip of the tractor tires. Is the 631K- 2016, tier 2, Stage II the right CAT® equipment for you. The experts at Wagner Equipment — your go-to CAT dealer — are here to help, so contact us today!

  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • POWER TRAIN – TRACTOR
    • Cat C18
    • 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
      • 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
    • Braking system:
      • Primary and secondary, dry caliper, hydraulic actuated
  • 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
    • 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
    • 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
    • Fender, scraper
    • Guard, overflow
    • Wiring group
    • Push Pull
  • SERVICE INSTRUCTIONS
    • Film arrangement – U.S. (ANSI)
    • Film arrangement – International (ISO)

Specs

Overview

Long Name:
631K Wheel Tractor-Scraper
Name:
631K
Brand:
Caterpillar
Status:
Current

General

Tires - Scraper:
37.25R35**E3
Rated Load:
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Struck:
24 yd³ / 18.3 m³
Tires - Tractor:
37.25R35**E3
Maximum Depth of Cut:
17.7 in / 450 mm
Width - Cut:
11.5 ft / 3.51 m
Scraper Capacity - Heaped:
34 yd³ / 26 m³
Overall Width:
12.93 ft / 3.94 m
Top Speed - Loaded:
34.7 mile/h / 55.8 km/h
Fuel Tank Refill Capacity - Scraper:
231 gal (US) / 874 l
Overall Shipping Height:
12.75 ft / 3.89 m
180° Curb-to-Curb Turning Width:
40.12 ft / 12.23 m
Maximum Depth of Spread:
21.1 in / 535 mm

Engine

Flywheel Power - Tractor:
570 HP / 425 kW
Rated Engine RPM - Tractor:
1900 r/min / 1900 r/min
Engine Model - Tractor:
Cat C18
Emissions:
Cat C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.

Tractor Engine

Flywheel Power - Tractor/Scraper:
570 HP / 425 kW

Scraper Bowl

Scraper Capacity - Heaped:
34 yd³ / 26 m³

Transmission

Top Speed - Loaded:
34.7 mile/h / 55.8 km/h

Service Refill Capacities

Fuel Tank:
231 gal (US) / 874 l
Hydraulic System:
37.5 gal (US) / 142 l
Diesel Exhaust Fluid (DEF):
8 gal (US) / 30.5 l
Cooling System:
19.8 gal (US) / 75 l
Crankcase - Tractor:
13.7 gal (US) / 52 l
Transmission System:
29 gal (US) / 110 l

Dimensions

Front of Tractor to Front Axle:
142.2 in / 3612 mm
Axle to Vertical Hitch Pin:
20 in / 509 mm
Wheel Base:
346.8 in / 8808 mm
Rear Axle - Rear of Machine:
108 in / 2744 mm
Height - Scraper Blade Maximum:
20 in / 510 mm
Ground Clearance - Tractor:
26.1 in / 664 mm
Length - Overall Machine - Standard:
597 in / 15164 mm
Length - Maximum (Push-Pull):
655.1 in / 16640 mm
Width - Tractor:
137.8 in / 3499 mm
Height - Top of Cab:
147 in / 3733 mm
Width - Rear Tire Centers:
96.9 in / 2462 mm
Width - Overall Machine:
155 in / 3937 mm
Width - Outside Rear Tires:
143.2 in / 3636 mm
Width - Inside of Bowl:
134 in / 3404 mm
Height - Overall Shipping:
153.2 in / 3892 mm

Non Push-Pull

Overall Length:
49.34 ft / 15.04 m
Operating Weight - Empty:
102750 lb / 46600 kg

Push-Pull

Overall Length - With Bail Down:
54.59 ft / 16.64 m
Operating Weight - Empty:
106430 lb / 48275 kg

Cab

ROPS/FOPS:
ROPS/FOPS meet “ISO Standards.”
Exterior Sound Level:
The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).

Safety Criteria Compliance Standards

Steering System:
ISO 5010:2007
Reverse Alarm:
ISO 9533:2010
Seat Belt:
SAE J386:FEB2006
Falling Object Protective Structure (FOPS):
ISO 3449:2005 Level II
Brakes:
ISO 3450:2011
Rollover Protection Structure (ROPS):
ISO 3471:2008 for up to 21 282 kg (46,919 lb)

Travel Speeds - Runout

Transmission Gear - Sixth:
19 mile/h / 30.6 km/h
Transmission Gear - Seventh:
25.7 mile/h / 41.4 km/h
Transmission Gear - Reverse:
6.2 mile/h / 9.9 km/h
Transmission Gear - Fourth:
10.5 mile/h / 16.9 km/h
Transmission Gear - Eighth:
34.7 mile/h / 55.8 km/h
Transmission Gear - First:
3.4 mile/h / 5.5 km/h
Transmission Gear - Fifth:
14.1 mile/h / 22.7 km/h
Transmission Gear - Third:
7.7 mile/h / 12.4 km/h
Transmission Gear - Second:
6.2 mile/h / 10 km/h

Implement Cycle Times

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