621K Wheel Tractor-Scraper
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.
- Technical Specs
- Optional Equipment
- 180° Curb-to-Curb Turning Width
- 38.71 ft
- Fuel Tank Refill Capacity: Scraper
- 201.0 gal
- Maximum Depth of Cut
- 12.4 in
- Maximum Depth of Spread
- 21.3 in
- Overall Shipping Height
- 13.22 ft
- Overall Width
- 11.71 ft
- Rated Load
- 26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
- Scraper Capacity: Heaped
- 24.0 yd3
- Scraper Capacity: Struck
- 17.1 yd3
- Tires: Scraper
- 33.25R29**E3
- Tires: Tractor Drive
- 33.25R29**E3
- Top Speed (Loaded)
- 33.5 mph
- Width of Cut
- 10.3 ft
- Engine Model: Tractor
- Cat C13 ACERTâ„¢
- Flywheel Power: Tractor
- 407.0 hp
- 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
- Flywheel Power: Tractor/Scraper
- 304 kW (407 hp)
- Scraper Capacity: Heaped
- 24.0 yd3
- Top Speed (Loaded)
- 33.5 mph
- Cooling System
- 11.89 gal
- Crankcase
- 8.08 gal
- Diesel Exhaust Fluid
- 8.0572 gal
- Fuel Tank
- 216.09 gal
- Hydraulic System
- 21.926 gal
- Transmission System
- 24.76 gal
- Width - Overall Machine
- 141.1 in
- Width - Tractor
- 133.1 in
- Width - Inside of Bowl
- 120.0 in
- Width - Outside Rear Tires
- 128.9 in
- Height - Overall Shipping
- 158.6 in
- Height - Top of Cab
- 142.2 in
- Ground Clearance - Tractor
- 21.9 in
- Front of Tractor to Front Axle
- 122.8 in
- Axle to Vertical Hitch Pin
- 21.3 in
- Height - Scraper Blade Maximum
- 20.5 in
- Wheelbase
- 314.9 in
- Rear Axle to Rear of Machine
- 114.1 in
- Length - Maximum (Push-Pull)
- 613.2 in
- Length - Overall Machine (Standard)
- 551.8 in
- Width - Overall Machine - Ladder Down
- 149.2 in
- Width - Rear Tire Centers
- 90.2 in
- Operating Weight (Empty)
- 79787.0 lb
- Overall Length
- 45.9 ft
- Operating Weight (Empty)
- 80630.0 lb
- Overall Length (With Bail Down)
- 51.1 ft
- 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
- 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
- Transmission Gear: Eighth
- 33.5 mph
- Transmission Gear: Fifth
- 13.6 mph
- Transmission Gear: First
- 3.1 mph
- Transmission Gear: Fourth
- 10.1 mph
- Transmission Gear: Reverse
- 5.7 mph
- Transmission Gear: Second
- 5.5 mph
- Transmission Gear: Seventh
- 24.8 mph
- Transmission Gear: Sixth
- 18.4 mph
- Transmission Gear: Third
- 7.5 mph
- Apron Lower
- 3.8 Seconds
- Apron Raise
- 2.95 Seconds
- Bail Lower
- 3.2 Seconds
- Bail Raise
- 1.8 Seconds
- Bowl Lower
- 3.5 Seconds
- Bowl Raise
- 3.0 Seconds
- Ejector Extend
- 5.2 Seconds
- Ejector Retract
- 6.7 Seconds
-
STEERING ARRANGEMENTS
- Secondary Steering Arrangement
-
INTEGRATED TECHNOLOGIES
- Sequence Assist Arrangement
- Load Assist
- Cat Grade Control with Load Assist
-
OTHER ATTACHMENTS
- Camera arrangement - WAVS
- Steering lock - external
- Cab beacon
- Air horn
- Air horn and beacon
- Fender, scraper
- Guard, overflow
- Wiring group
-
WORK LIGHT ATTACHMENTS
- HID work lights
-
AMBIENT CAPABILITY ARRANGEMENTS
- Cooling, high ambient HRC
- Cooling, low ambient HRC
- Cooling, high ambient LRC
- Cooling, low ambient LRC
-
OTHER ATTACHMENTS
- Year of manufacture plate
-
SERVICE INSTRUCTIONS
- Film arrangement - U.S. (ANSI)
- Film arrangement - International (ISO)