Big EOFY Savings on Cat Compact machines until 30 June 2026. T&Cs apply. View Promotion

Big EOFY Savings on Cat Compact machines until 30 June 2026. T&Cs apply. View Promotion

621 Wheel Tractor-Scraper

621

Open Bowl Scrapers
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.
Overall Width
11.8 ft/3.57 m
Overall Shipping Height
13.22 ft/4.03 m
Scraper Capacity - Struck
17.1 yd³/13.0 m³
Scraper Capacity - Heaped
24.0 yd³/18.4 m³

Key Features

Specifications

Metric | Imperial
General Expand Collapse
Overall Width
11.8 ft 3.57 m
Overall Shipping Height
13.22 ft 4.03 m
Scraper Capacity - Struck
17.1 yd³ 13.0 m³
Scraper Capacity - Heaped
24.0 yd³ 18.4 m³
Rated Load
26 127 kg (57,600 lb); 26.19 tonnes (28.81 tons)
Width - Cut
10.4 ft 3.14 m
Maximum Depth of Cut
12.4 in 315.0 mm
Maximum Depth of Spread
21.3 in 540.0 mm
Top Speed - Loaded
33.5 mile/h 53.9 km/h
180° Curb-to-Curb Turning Width
38.71 ft 11.8 m
Tires - Scraper
33.25R29**E3
Tires - Tractor Drive
33.25R29**E3
Fuel Tank Refill Capacity - Scraper
201.0 gal (US) 763.0 l
Rated Engine RPM - Tractor
2000.0 r/min 2000.0 r/min
Engine Model - Tractor
Cat® C13
Flywheel Power - Tractor
407.0 hp 304.0 kW
Note
Meets U.S. EPA Tier 4 Final/EU Stage V emission standards, or noncertified and equivalent to U.S. EPA Tier 2, or noncertified and equivalent to U.S. EPA Tier 3/EU Stage IIIA.
Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Operating Weight - Empty
79774.0 lb 36385.0 kg
Overall Length
45.10 ft 14.02 m
Operating Weight - Empty
79774.0 lb 36385.0 kg
Overall Length - With Bail Down
51.1 ft 15.58 m
Scraper Capacity - Heaped
24.0 yd³ 18.4 m³
1 Forward
3.1 mile/h 5.0 km/h
2 Forward
5.5 mile/h 8.9 km/h
3 Forward
7.5 mile/h 12.1 km/h
4 Forward
10.1 mile/h 16.3 km/h
5 Forward
13.6 mile/h 21.9 km/h
6 Forward
18.4 mile/h 29.6 km/h
7 Forward
24.8 mile/h 39.9 km/h
8 Forward
33.5 mile/h 53.9 km/h
Reverse
5.7 mile/h 9.2 km/h
Top Speed - Loaded
33.5 mile/h 53.9 km/h
Final Drive - Each
5.0 Gal 19.0 l
Windshield Washer
1.3 Gal 5.0 l
Cooling System - Scraper
8.7 Gal 33.0 l
Crankcase
9.7 gal (US) 37.0 l
Transmission System
25.5 gal (US) 97.0 l
Cooling System
11.0 gal (US) 42.0 l
Diesel Exhaust Fluid (DEF)
8.1 Gal 30.5 l
Fuel Tank
216.01 gal (US) 818.0 l
Hydraulic System
21.926 gal (US) 83.0 l
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
21.3 in 540.0 mm
Wheel Base
314.9 in 7998.0 mm
Rear Axle - Rear of Machine
114.1 in 2898.0 mm
Length - Maximum (Push-Pull)
613.2 in 15576.0 mm
Width - Overall Machine - Ladder Down
149.2 in 3790.0 mm
Length - Overall Machine - Standard
551.8 in 14015.0 mm
Width - Rear Tire Centers
90.2 in 2290.0 mm
ROPS/FOPS
Meets ISO standards
Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6395:2008) is 114 dB(A).
Reverse Alarm
ISO 9533:2010
Falling Object Protective Structure (FOPS)
ISO 3449:2005 Level II
Steering System
ISO 5010:2007
Rollover Protection Structure (ROPS)
ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Seat Belt
SAE J386:JUN1985
Brakes
ISO 3450:2011
Transmission Gear - Reverse
5.7 mile/h 9.2 km/h
Transmission Gear - Third
7.5 mile/h 12.1 km/h
Transmission Gear - First
3.1 mile/h 5.0 km/h
Transmission Gear - Seventh
24.8 mile/h 39.9 km/h
Transmission Gear - Fourth
10.1 mile/h 16.3 km/h
Transmission Gear - Sixth
18.4 mile/h 29.6 km/h
Transmission Gear - Fifth
13.6 mile/h 21.9 km/h
Transmission Gear - Second
5.5 mile/h 8.9 km/h
Transmission Gear - Eighth
33.5 mile/h 53.9 km/h
Bail Lower
3.2 s 3.2 s
Apron Lower
3.8 s 3.8 s
Bowl Lower
3.5 s 3.5 s
Bail Raise
1.8 s 1.8 s
Ejector Retract
6.7 s 6.7 s
Ejector Extend
5.2 s 5.2 s
Apron Raise
3.0 s 3.0 s
Bowl Raise
3.3 s 3.3 s

Equipment

Similar Products

621
Overall Shipping Height
13.2 ft/4.03 m
Fuel Tank Refill Capacity - Scraper
201.0 gal (US)/763.0 l
621
Maximum Depth of Spread
21.3 in/540.0 mm
Scraper Capacity - Heaped
24.0 yd³/18.4 m³
Scraper Capacity - Heaped
34 yd³/26 m³
Overall Width
12.93 ft/3.94 m
637
Top Speed - Loaded
34.7 mile/h/55.8 km/h
180° Curb-to-Curb Turning Width
40.12 ft/12.23 m
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Tractor Engine
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Scraper Engine
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Emissions
Cat® C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Tractor
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Emissions
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