Wheel Tractor-Scrapers

Compare Models

621
621
  • 631 - Tier 2
  • 637
631 - Tier 2
  • 621
  • 637
637
  • 621
  • 631 - Tier 2
UNITS:
Metric
Imperial
Maximum Depth of Spread
540 mm
21.3 in
 
535 mm
21.1 in
 
535 mm
21.1 in
Scraper Capacity - Heaped
18.4 m³
24 yd³
 
26 m³
34 yd³
 
26 m³
34 yd³
Overall Width
3.57 m
11.71 ft
 
3.94 m
12.93 ft
 
3.94 m
12.93 ft
Maximum Depth of Cut
315 mm
12.4 in
 
450 mm
17.7 in
 
450 mm
17.7 in
Scraper Capacity - Struck
13 m³
17.1 yd³
 
18.3 m³
24 yd³
 
18.3 m³
24 yd³
Tires - Scraper
33.25R29**E3
33.25R29**E3
 
37.25R35**E3
37.25R35**E3
 
37.25R35**E3
37.25R35**E3
Width - Cut
3.14 m
10.3 ft
 
3.51 m
11.5 ft
 
3.51 m
11.5 ft
Fuel Tank Refill Capacity - Scraper
763 l
201 gal (US)
 
874 l
231 gal (US)
 
1400 l
370 gal (US)
Top Speed - Loaded
53.9 km/h
33.5 mile/h
 
55.8 km/h
34.7 mile/h
 
55.8 km/h
34.7 mile/h
180° Curb-to-Curb Turning Width
11.8 m
38.71 ft
 
12.23 m
40.12 ft
 
12.23 m
40.12 ft
Overall Shipping Height
4.03 m
13.22 ft
 
3.89 m
12.75 ft
 
4.15 m
13.62 ft
Tires - Tractor Drive
33.25R29**E3
33.25R29**E3
 
-
 
-
Rated Load
26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
 
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
 
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Tires - Tractor
-
 
37.25R35**E3
37.25R35**E3
 
37.25R35**E3
37.25R35**E3
Engine Model - Tractor
Cat C13
Cat C13
 
Cat C18
Cat C18
 
Cat C18
Cat C18
Rated Engine RPM - Tractor
2000 r/min
2000 r/min
 
1900 r/min
1900 r/min
 
1900 r/min
1900 r/min
Flywheel Power - Tractor
304 kW
407 HP
 
425 kW
570 HP
 
425 kW
570 HP
Note
C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III.
C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III.
 
-
 
-
Emissions
-
 
Cat C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Cat C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
 
Cat C9.3 and C18 engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Cat C9.3 and C18 engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Scraper
-
 
-
 
Cat C9.3 ACERT
Cat C9.3 ACERT
Rated Engine RPM - Scraper
-
 
-
 
2150 r/min
2150 r/min
Flywheel Power - Scraper
-
 
-
 
216 kW
290 HP
Flywheel Power - Tractor/Scraper
304 kW (407 hp)
304 kW (407 hp)
 
425 kW
570 HP
 
425 kW
570 HP
Scraper Capacity - Heaped
18.4 m³
24 yd³
 
26 m³
34 yd³
 
26 m³
34 yd³
Top Speed - Loaded
53.9 km/h
33.5 mile/h
 
55.8 km/h
34.7 mile/h
 
55.8 km/h
34.7 mile/h
Transmission System
93 l
24.76 gal (US)
 
110 l
29 gal (US)
 
-
Hydraulic System
83 l
21.926 gal (US)
 
142 l
37.5 gal (US)
 
142 l
37.5 gal (US)
Crankcase
30.58 l
8.08 gal (US)
 
-
 
-
Cooling System
45 l
11.89 gal (US)
 
75 l
19.8 gal (US)
 
-
Fuel Tank
818 l
216.09 gal (US)
 
874 l
231 gal (US)
 
1400 l
370 gal (US)
Crankcase - Tractor
-
 
52 l
13.7 gal (US)
 
52 l
13.7 gal (US)
Crankcase - Scraper
-
 
-
 
24.5 l
6.5 gal (US)
Transmission System - Scraper
-
 
-
 
49 l
12.9 gal (US)
Transmission System - Tractor
-
 
-
 
110 l
29 gal (US)
Cooling System - Tractor
-
 
-
 
75 l
19.8 gal (US)
Cooling System - Scraper
-
 
-
 
61 l
16.1 gal (US)
Width - Overall Machine
3585 mm
141.1 in
 
3937 mm
155 in
 
3937 mm
155 in
Width - Tractor
3381 mm
133.1 in
 
3499 mm
137.8 in
 
3499 mm
137.8 in
Width - Inside of Bowl
3048 mm
120 in
 
3404 mm
134 in
 
3404 mm
134 in
Width - Outside Rear Tires
3275 mm
128.9 in
 
3636 mm
143.2 in
 
3636 mm
143.2 in
Height - Overall Shipping
4029 mm
158.6 in
 
3892 mm
153.2 in
 
4145 mm
163.2 in
Height - Top of Cab
3612 mm
142.2 in
 
3733 mm
147 in
 
3733 mm
147 in
Ground Clearance - Tractor
557 mm
21.9 in
 
664 mm
26.1 in
 
664 mm
26.1 in
Front of Tractor to Front Axle
3119 mm
122.8 in
 
3612 mm
142.2 in
 
3612 mm
142.2 in
Axle to Vertical Hitch Pin
540 mm
21.3 in
 
509 mm
20 in
 
509 mm
20 in
Height - Scraper Blade Maximum
520 mm
20.5 in
 
510 mm
20 in
 
510 mm
20 in
Wheel Base
7998 mm
314.9 in
 
8808 mm
346.8 in
 
8808 mm
346.8 in
Rear Axle - Rear of Machine
2898 mm
114.1 in
 
2744 mm
108 in
 
2292 mm
90.2 in
Width - Rear Tire Centers
2290 mm
90.2 in
 
2462 mm
96.9 in
 
2462 mm
96.9 in
Length - Maximum (Push-Pull)
15576 mm
613.2 in
 
16640 mm
655.1 in
 
16640 mm
655.1 in
Length - Overall Machine - Standard
14015 mm
551.8 in
 
15164 mm
597 in
 
15164 mm
597 in
Width - Overall Machine - Ladder Down
3790 mm
149.2 in
 
-
 
-
Extended Push Block (Push-Pull)
-
 
-
 
2744 mm
108 in
Operating Weight - Empty
36185 kg
79787 lb
 
46600 kg
102750 lb
 
52140 kg
114950 lb
Overall Length
14.02 m
45.9 ft
 
15.04 m
49.34 ft
 
15.04 m
49.34 ft
Overall Length - With Bail Down
15.58 m
51.1 ft
 
16.64 m
54.59 ft
 
16.64 m
54.59 ft
Operating Weight - Empty
36567 kg
80630 lb
 
48275 kg
106430 lb
 
54005 kg
119060 lb
Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
 
The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
 
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
ROPS/FOPS
Meets ISO standards
Meets ISO standards
 
ROPS/FOPS meet “ISO Standards.”
ROPS/FOPS meet “ISO Standards.”
 
ROPS/FOPS meet “ISO Standards.”
ROPS/FOPS meet “ISO Standards.”
Falling Object Protective Structure (FOPS)
ISO 3449:2005 Level II
ISO 3449:2005 Level II
 
ISO 3449:2005 Level II
ISO 3449:2005 Level II
 
ISO 3449:2005 Level II
ISO 3449:2005 Level II
Reverse Alarm
ISO 9533:2010
ISO 9533:2010
 
ISO 9533:2010
ISO 9533:2010
 
ISO 9533:2010
ISO 9533:2010
Steering System
ISO 5010:2007
ISO 5010:2007
 
ISO 5010:2007
ISO 5010:2007
 
ISO 5010:2007
ISO 5010:2007
Rollover Protection Structure (ROPS)
ISO 3471:2008 for up to 17 084 kg (37,664 lb)
ISO 3471:2008 for up to 17 084 kg (37,664 lb)
 
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
 
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat Belt
SAE J386:JUN1985
SAE J386:JUN1985
 
SAE J386:FEB2006
SAE J386:FEB2006
 
SAE J386:FEB2006
SAE J386:FEB2006
Brakes
ISO 3450:2011
ISO 3450:2011
 
Brakes ISO 3450:2011
Brakes ISO 3450:2011
 
ISO 3450:2011
ISO 3450:2011
Transmission Gear - Reverse
9.2 km/h
5.7 mile/h
 
9.9 km/h
6.2 mile/h
 
9.9 km/h
6.2 mile/h
Transmission Gear - Sixth
29.6 km/h
18.4 mile/h
 
30.6 km/h
19 mile/h
 
30.6 km/h
19 mile/h
Transmission Gear - Eighth
53.9 km/h
33.5 mile/h
 
55.8 km/h
34.7 mile/h
 
55.8 km/h
34.7 mile/h
Transmission Gear - Third
12.1 km/h
7.5 mile/h
 
12.4 km/h
7.7 mile/h
 
12.4 km/h
7.7 mile/h
Transmission Gear - Fourth
16.3 km/h
10.1 mile/h
 
16.9 km/h
10.5 mile/h
 
16.9 km/h
10.5 mile/h
Transmission Gear - Second
8.9 km/h
5.5 mile/h
 
10 km/h
6.2 mile/h
 
10 km/h
6.2 mile/h
Transmission Gear - Seventh
39.9 km/h
24.8 mile/h
 
41.4 km/h
25.7 mile/h
 
41.95 km/h
25.7 mile/h
Transmission Gear - First
5 km/h
3.1 mile/h
 
5.5 km/h
3.4 mile/h
 
5.5 km/h
3.4 mile/h
Transmission Gear - Fifth
21.9 km/h
13.6 mile/h
 
22.7 km/h
14.1 mile/h
 
22.7 km/h
14.1 mile/h
Apron Raise
2.95 s
2.95 s
 
4 s
4 s
 
4 s
4 s
Bail Lower
3.2 s
3.2 s
 
2.1 s
2.1 s
 
2.1 s
2.1 s
Bowl Lower
3.5 s
3.5 s
 
3.5 s
3.5 s
 
3.5 s
3.5 s
Apron Lower
3.8 s
3.8 s
 
3.8 s
3.8 s
 
3.8 s
3.8 s
Ejector Retract
6.7 s
6.7 s
 
8.5 s
8.5 s
 
8.5 s
8.5 s
Bail Raise
1.8 s
1.8 s
 
1.5 s
1.5 s
 
1.5 s
1.5 s
Ejector Extend
5.2 s
5.2 s
 
8.5 s
8.5 s
 
8.5 s
8.5 s
Bowl Raise
3 s
3 s
 
3.5 s
3.5 s
 
3.5 s
3.5 s
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