24
Edition 47 24-3
Wheel Tractor-Scrapers
Specifications
●
Single Engine Open Bowl
●
Optional Push-Pull
MODEL
621K
631K
Flywheel Power
304 kW
407 hp
425 kW
570 hp
Approx. OperatingWeight (Empty)
◀
35 808 kg
78,943 lb
46 600 kg
102,750 lb
Scraper Capacity: Struck
13 m
3
17.1 yd
3
18.3 m
3
24 yd
3
Scraper Capacity:
Heaped
18.4 m
3
24 yd
3
26 m
3
34 yd
3
Rated Load
26 127 kg
57,610 lb
37 285 kg
82,200 lb
Weight Distribution — Empty:
Drive
65%
67%
Rear
35%
34%
Weight Distribution — Loaded:
Drive
53%
54%
Rear
47%
46%
Engine Model
C13 ACERT
C18 ACERT
Emission Standards
Tier 4 Final/Stage IV/
Japan 2014 (Tier 4 Final)
Tier 4 Final/Stage IV/
Japan 2014 (Tier 4 Final)
Rated Engine RPM
2000
1900
Displacement
12.5 L
763 in
3
18.1 L
1105 in
3
Top Speed (Loaded)
53.9 km/h
33.5 mph
55.8 km/h
34.7 mph
180° Curb-to-CurbTurningWidth
18.25 m
59'11"
19.94 m
65'5"
Tires —Tractor/Scraper
33.25R29
★★
E3
37.25R35
★★
E3
Width of Cut
3.14 m
10'4"
3.51 m
11'6"
Maximum Depth of Cut
315 mm
12.4"
475 mm
18.7"
Maximum Depth of Spread
540 mm
21.3"
451 mm
17.8"
Fuel Tank Refill Capacity
763 L
201 U.S. gal
874 L
231 U.S. gal
Tractor DEF Tank
31.5 L
8.3 U.S. gal
31.5 L
8.3 U.S. gal
GENERAL DIMENSIONS: Non Push-Pull
Height — Overall Shipping
4.03 m
13'2"
3.89 m
12'9"
Wheelbase
7.99 m
26'2"
8.81 m
28'11"
Overall Length
14.02 m
45'10"
15.04 m
49'4"
Overall Width
3.57 m
11'7"
3.94 m
12'11"
Center Line of Scraper Tread
2.29 m
7'5"
2.46 m
8'1"
Center Line of Tractor Tread
2.28 m
7'4"
2.46 m
8'1"
GENERAL DIMENSIONS: Push-Pull
OperatingWeight (Empty)
37 154 kg
81,910 lb
48 275 kg
106,430 lb
Overall Length (With Bail Down)
15.58 m
51'1"
16.64 m
54'7"
Weight Distribution — Empty:
Drive
65%
68%
Rear
35%
32%
Weight Distribution — Loaded:
Drive
53%
55%
Rear
47%
45%
◀
Operating weight includes standard machine, coolant, lubricants, full fuel tank, and operator. Operating weights for the 621K and 631K are based on Tier 4 Final/
Stage IV/Japan 2014 (Tier 4 Final) platform machines. Deduct 243 kg
(536 lb)
for the operating weight for the 621K Tier 2/Stage II/Japan 2001 (Tier 2)
equivalent. Deduct 430 kg
(950 lb)
for the operating weight for the 631K Tier 2/Stage II/Japan 2001 (Tier 2) equivalent.
NOTE:
WheelTractor-Scrapers are not emission certified in Japan market.
Single Engine Open Bowl
The Open Bowl Wheel Tractor-Scraper is available as a self-loading, 631K push pull or push-loaded hauling system
with a broad material appetite.The broad material appetite allows the Open Bowl WheelTractor-Scraper to be used in
general construction, heavy construction, mining, and waste applications.
Open Bowl Advantages:
●
Quick load/unload
●
Spread evenly on-the-go
●
Broad material appetite
●
Aids in compaction
●
Varying material conditions
●
High production
Single Engine Advantages
(Compared toTandem Engine):
●
Lower fuel usage
●
Lower gross vehicle weight
●
Loads quickly with the aid of aTrack-TypeTractor and
hauls to fill carrying minimum machine weight




