CAT 631K (Tier 4 Final/Stage IV) Motor Scraper

Dimensions

Rear Axle – Rear Of Machine 108 in (2743.2 mm)
Axle To Vertical Hitch Pin 20 in (508 mm)
Front Of Tractor To Front Axle 142.2 in (3611.88 mm)
Width – Tractor 137.81 in (3500.12 mm)
Ground Clearance – Tractor 26.1 in (662.94 mm)
Height – Overall Shipping 153.2 in (3891.28 mm)
Height – Scraper Blade Maximum 20 in (508 mm)
Height – Top Of Cab 12.25 ft in (0.32 m)
Length – Maximum (Push-Pull) 655.1 in (16639.54 mm)
Length – Overall Machine – Standard 597 in (15163.8 mm)
Width – Rear Tire Centers 96.9 in (2461.27 mm)
Width – Overall Machine 155 in (3937 mm)
Width – Outside Rear Tires 143.2 in (3637.28 mm)
Width – Inside Of Bowl 134 in (3403.6 mm)
Wheel Base 28.9 ft in (0.74 m)

General

Overall Width 12.93 ft in (3.95 m)
Fuel Tank Refill Capacity – Scraper 231 gal (874.44 L)
180 Degrees Curb-To-Curb Turning Width 40.12 ft in (12.23 m)
Scraper Capacity – Heaped 34 yd3 (26 m3)
Scraper Capacity – Struck 24 yd3 (18.35 m3)
Tires – Scraper 37.25R35**E3
Tires – Tractor 37.25R35**E3
Top Speed – Loaded 34.71 mph (55.85 km/h)
Overall Shipping Height 12.75 ft in (3.89 m)
Width – Cut 11.5 ft in (3.51 m)
Maximum Depth Of Cut 17.7 in (449.58 mm)
Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Maximum Depth Of Spread 21.1 in (535.95 mm)

Non Push-Pull

Overall Length 49.34 ft in (15.04 m)
Operating Weight – Empty 102750 lb (46606.62 kg)

Engine Details

Emissions Cat C18 ACERT engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Flywheel Power – Tractor 570 hp (425.1 kw)
Engine Model – Tractor Cat C18 ACERT
Rated Engine Rpm – Tractor 1900 rpm

Tractor Engine

Flywheel Power – Tractor/Scraper 570 HP

Transmission

Top Speed – Loaded 34.7 mph (55.9 km/h)

Service Refill Capacities

Cooling System 19.8 gal (75 L)
Fuel Tank Capacity 231 gal (874.5 L)
Hydraulic System 37.5 gal (142 L)
Transmission System 29 gal (109.8 L)
Crankcase – Tractor 13.7 gal (51.9 L)
Diesel Exhaust Fluid (Def) 8 gal (30.3 L)

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).

Scraper Bowl

Scraper Capacity – Heaped 34 yd3 (26 m3)

Implement Cycle Times

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

Safety Criteria Compliance Standards

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

Travel Speeds – Runout

Transmission Gear – First 3.4 mph (5.5 km/h)
Transmission Gear – Second 6.2 mph (10 km/h)
Transmission Gear – Third 7.7 mph (12.4 km/h)
Transmission Gear – Fourth 10.5 mph (16.9 km/h)
Transmission Gear – Fifth 14.1 mph (22.7 km/h)
Transmission Gear – Sixth 19 mph (30.6 km/h)
Transmission Gear – Seventh 25.7 mph (41.4 km/h)
Transmission Gear – Eighth 34.7 mph (55.9 km/h)
Transmission Gear – Reverse 6.2 mph (10 km/h)

Push-Pull

Operating Weight – Empty 106430 lb (48275.9 kg)
Overall Length – With Bail Down 54.6 ft in (16.7 m)
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