621 Partial Scraper
Caterpillar offers partial wheel tractor-scraper power units designed for specialty machines that complement the traditional Cat® product line. These tractor-only configurations are available for purchase directly from Caterpillar OEM Solutions. They can be leveraged for a variety of final machines, including water pulls, elevating scrapers, lowboy trailer power units, and more. With improvements in productivity combined with enhancements in operator comfort and new safety features – Powered Access System and effective wet disc brakes – this machine offers high returns on time and investment.
Tractor Engine
Cat® C13
Flywheel Power - Tractor
407 HP
Note
Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Specification
Value
Tractor Engine
Cat® C13
Flywheel Power - Tractor
407 HP
Note
Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Specification
Value
Top Speed - Loaded
33.5 mile/h
1 Forward
3.1 mile/h
2 Forward
5.5 mile/h
3 Forward
7.5 mile/h
4 Forward
10.1 mile/h
5 Forward
13.6 mile/h
6 Forward
18.4 mile/h
7 Forward
24.8 mile/h
8 Forward
33.5 mile/h
Reverse
5.7 mile/h
Specification
Value
Width - 180° Turn
38.6 ft
Specification
Value
Brakes
ISO 3450:2011
ROPS/FOPS
ROPS: ISO 3471:2008 for up to 17 084 kg (37,664 lb). FOPS: ISO 3449:2005 Level II.
Cab
Seat Belt: SAE J386:JUN1985
Specification
Value
Fuel Tank
216.1 gal (US)
Crankcase
9.7 gal (US)
Transmission
25.5 gal (US)
Differential
41.7 gal (US)
Final Drive - Each
5 gal (US)
Cooling System
11 gal (US)
Hydraulic Reservoir
21.9 gal (US)
Windshield Washer
1.3 gal (US)
