621K Wheel Tractor-Scraper

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Product Description

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.

Specifications
Us
Metric
Tractor Engine
Flywheel Power: Tractor/Scraper
304 kW (407 hp)
Scraper Bowl
Scraper Capacity: Heaped
24.0 yd3
18.4 m3
Transmission
Top Speed (Loaded)
33.5 mph
53.9 km/h
Engine
Engine Model: Tractor
Cat C13 ACERT™
Flywheel Power: Tractor
407.0 hp
304.0 kW
Note
Cat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Rated Engine RPM: Tractor
2000.0 RPM
2000.0 RPM
Dimensions
Width - Overall Machine
141.1 in
3585.0 mm
Width - Tractor
133.1 in
3381.0 mm
Width - Inside of Bowl
120.0 in
3048.0 mm
Width - Outside Rear Tires
128.9 in
3275.0 mm
Height - Overall Shipping
158.6 in
4029.0 mm
Height - Top of Cab
142.2 in
3612.0 mm
Ground Clearance - Tractor
21.9 in
557.0 mm
Front of Tractor to Front Axle
122.8 in
3119.0 mm
Axle to Vertical Hitch Pin
21.3 in
540.0 mm
Height - Scraper Blade Maximum
20.5 in
520.0 mm
Wheelbase
314.9 in
7998.0 mm
Rear Axle to Rear of Machine
114.1 in
2898.0 mm
Length - Maximum (Push-Pull)
613.2 in
15576.0 mm
Length - Overall Machine (Standard)
551.8 in
14015.0 mm
Width - Overall Machine - Ladder Down
149.2 in
3790.0 mm
Width - Rear Tire Centers
90.2 in
2290.0 mm
Travel Speeds (Runout)
Transmission Gear: Eighth
33.5 mph
53.9 km/h
Transmission Gear: Fifth
13.6 mph
21.9 km/h
Transmission Gear: First
3.1 mph
5.0 km/h
Transmission Gear: Fourth
10.1 mph
16.3 km/h
Transmission Gear: Reverse
5.7 mph
9.2 km/h
Transmission Gear: Second
5.5 mph
8.9 km/h
Transmission Gear: Seventh
24.8 mph
39.9 km/h
Transmission Gear: Sixth
18.4 mph
29.6 km/h
Transmission Gear: Third
7.5 mph
12.1 km/h
Push-Pull
Operating Weight (Empty)
80630.0 lb
36567.0 kg
Overall Length (With Bail Down)
51.1 ft
15.58 m
General Data
180° Curb-to-Curb Turning Width
38.71 ft
11.8 m
Fuel Tank Refill Capacity: Scraper
201.0 gal
763.0 L
Maximum Depth of Cut
12.4 in
315.0 mm
Maximum Depth of Spread
21.3 in
540.0 mm
Overall Shipping Height
13.22 ft
4.03 m
Overall Width
11.71 ft
3.57 m
Rated Load
26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
Scraper Capacity: Heaped
24.0 yd3
18.4 m3
Scraper Capacity: Struck
17.1 yd3
13.0 m3
Tires: Scraper
33.25R29**E3
Tires: Tractor Drive
33.25R29**E3
Top Speed (Loaded)
33.5 mph
53.9 km/h
Width of Cut
10.3 ft
3.14 m
Cab
Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPS
Meets SAE and ISO standards
Implement Cycle Times
Apron Lower
3.8 Seconds
3.8 Seconds
Apron Raise
2.95 Seconds
2.95 Seconds
Bail Lower
3.2 Seconds
3.2 Seconds
Bail Raise
1.8 Seconds
1.8 Seconds
Bowl Lower
3.5 Seconds
3.5 Seconds
Bowl Raise
3.0 Seconds
3.0 Seconds
Ejector Extend
5.2 Seconds
5.2 Seconds
Ejector Retract
6.7 Seconds
6.7 Seconds
Service Refill Capacities
Cooling System
11.89 gal
45.0 L
Crankcase
8.08 gal
30.58 L
Diesel Exhaust Fluid
8.0572 gal
30.5 L
Fuel Tank
216.09 gal
818.0 L
Hydraulic System
21.926 gal
83.0 L
Transmission System
24.76 gal
93.0 L
Non Push-Pull
Operating Weight (Empty)
79787.0 lb
36185.0 kg
Overall Length
45.9 ft
14.02 m
Safety Criteria Compliance Standards
Brakes
ISO 3450:1996
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 17 084 kg (37,664 lb)
Seat Belt
SAE J386:JUN1985
Steering System
ISO 5010:2007
Standard/Optional

Standard Equipment

POWER TRAIN - TRACTOR
POWER TRAIN - SCRAPER
ELECTRICAL - TRACTOR
ELECTRICAL - SCRAPER
OPERATOR ENVIRONMENT - TRACTOR
FLUIDS
OTHER STANDARD EQUIPMENT - TRACTOR
OTHER STANDARD EQUIPMENT - SCRAPER

Optional Equipment

STEERING ARRANGEMENTS
INTEGRATED TECHNOLOGIES
OTHER ATTACHMENTS
WORK LIGHT ATTACHMENTS
AMBIENT CAPABILITY ARRANGEMENTS
OTHER ATTACHMENTS
SERVICE INSTRUCTIONS

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