# 2019 Caterpillar 621K **URL:** > This machine has been sold or is not currently for sale. ## Listing details - **Price:** Sold - **Listing ID:** 87534946 - **Year:** 2019 - **Manufacturer:** Caterpillar - **Model:** 621K - **Category:** Scrapers - **Type:** Open Bowl Scrapers - **Hours:** 6362 - **Serial number:** WTA00140 - **Location:** Hurricane, UT ## Description BEACON LIGHT, CAB ROOF, CAB PRECLEANER, CGC,SPIN REDUCTION,LOAD ASSIST, COLD START ATTACHMENT, FAST FILL GP, FENDER, SCRAPER, FILMS AR - U.S. (ANSI), GUARD, OVERFLOW, NON PUSH PULL AR, NON-POWERED ACCESS GP, Online Owner's Manual , PRICED 04/30/26 KP, PRODUCT LINK, CELLULAR PLE641, SECONDARY STEERING AR, SEQUENCE ASSIST CPM, STANDARD CERTIFICATION AR, STD WORK LIGHTS, TIRES, 33.25R29 BS VLT \*\* E2A, WAVS CAMERA AR, YR 2019 S/N WTA00140 HRS 5237 ## Manufacturer specifications ### 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 ### Dimensions - **Axle To Vertical Hitch Pin:** 21.3 in (54.1 cm) - **Front Of Tractor To Front Axle:** 122.8 in (311.91 cm) - **Ground Clearance - Tractor:** 21.9 in (55.63 cm) - **Height:** 13.1667 ft (4.01 m) - **Height - Overall Shipping:** 158.6 in (402.84 cm) - **Height - Scraper Blade Maximum:** 20.5 in (52.07 cm) - **Height - Top Of Cab:** 11.85 ft (3.61 m) - **Length:** 46 ft (14.02 m) - **Length - Maximum (Push-Pull):** 613.21 in (1557.55 cm) - **Length - Overall Machine - Standard:** 551.8 in (1401.57 cm) - **Rear Axle - Rear Of Machine:** 114.1 in (289.81 cm) - **Weight:** 79787 lbs (36184.58 kg) - **Wheel Base:** 26.25 ft (8 m) - **Width:** 11.6667 ft (3.56 m) - **Width - Inside Of Bowl:** 120 in (304.8 cm) - **Width - Outside Rear Tires:** 128.9 in (327.41 cm) - **Width - Overall Machine:** 141.1 in (358.39 cm) - **Width - Overall Machine - Ladder Down:** 149.2 in (378.97 cm) - **Width - Rear Tire Centers:** 90.2 in (229.11 cm) - **Width - Tractor:** 133.1 in (338.07 cm) ### Engine - **Engine Model - Tractor:** Cat C13 ACERT - **Flywheel Power - Tractor:** 407 hp (303.5 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 rpm ### General - **180 Degrees Curb-To-Curb Turning Width:** 38.71 ft (11.8 m) - **Fuel Tank Refill Capacity - Scraper:** 201 gal (760.79 l) - **Maximum Depth Of Cut:** 12.4 in (31.5 cm) - **Maximum Depth Of Spread:** 21.3 in (54.1 cm) - **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 cu yd - **Scraper Capacity - Struck:** 17.11 cu yd - **Tires - Scraper:** 33.25R29\*\*E3 - **Tires - Tractor Drive:** 33.25R29\*\*E3 - **Top Speed - Loaded:** 33.5 mph (53.91 kph) - **Width - Cut:** 10.3 ft (3.14 m) ### Implement Cycle Times - **Apron Lower:** 3.8 s - **Apron Raise:** 2.95 s - **Bail Lower:** 3.2 s - **Bail Raise:** 1.8 s - **Bowl Lower:** 3.5 s - **Bowl Raise:** 3 s - **Ejector Extend:** 5.2 s - **Ejector Retract:** 6.7 s ### Non Push-Pull - **Operating Weight - Empty:** 79787 lbs (36190.82 kg) - **Overall Length:** 45.9 ft (13.99 m) ### Push-Pull - **Operating Weight - Empty:** 80630 lbs (36573.2 kg) - **Overall Length - With Bail Down:** 51.1 ft (15.58 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 ### Scraper Bowl - **Scraper Capacity - Heaped:** 24 cu yd ### Service Refill Capacities - **Cooling System:** 11.9 gal (45.04 l) - **Crankcase:** 8.1 gal (30.66 l) - **Diesel Exhaust Fluid:** 8.1 gal (30.66 l) - **Fuel Tank:** 216.1 gal (817.94 l) - **Hydraulic System:** 22 gal (83.27 l) - **Transmission System:** 24.8 gal (93.87 l) ### Tractor Engine - **Flywheel Power - Tractor/Scraper:** 304 kW (407 hp) ### Transmission - **Top Speed - Loaded:** 33.5 mph (53.91 kph) ### Travel Speeds - Runout - **Transmission Gear - Eighth:** 33.5 mph (53.91 kph) - **Transmission Gear - Fifth:** 13.6 mph (21.89 kph) - **Transmission Gear - First:** 3.1 mph (4.99 kph) - **Transmission Gear - Fourth:** 10.1 mph (16.25 kph) - **Transmission Gear - Reverse:** 5.7 mph (9.17 kph) - **Transmission Gear - Second:** 5.5 mph (8.85 kph) - **Transmission Gear - Seventh:** 24.8 mph (39.91 kph) - **Transmission Gear - Sixth:** 18.4 mph (29.61 kph) - **Transmission Gear - Third:** 7.5 mph (12.07 kph) ## About this model The Caterpillar 621K is a wheel tractor-scraper in Caterpillar's scraper lineup, designed for earthmoving, site preparation, and large-scale material transport. It uses a single-engine, open bowl scraper configuration with a rear push-pull arrangement for efficient loading and hauling in construction, mining, and roadbuilding applications. The 621K is part of Caterpillar's K Series and is known for integrated powertrain controls, operator visibility, and compatibility with high-production fleet operations. Typical uses include cut-and-fill work, mass excavation, and haul road development. The model is commonly referenced in heavy equipment inventories, rental fleets, and equipment specification databases. ## Photos ![2019 Caterpillar 621K](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ZTU4OWUyY2Y3YzY2Y2IzZTI5NDM3NjI2MDU0YWQzOCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMzY0NzE=) ![2019 Caterpillar 621K photo 2](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hMGE2NDMzOGQ2MzgzYTdlZjk4MWIxMjNkNTFkZDM3MCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMzgwMw==) ![2019 Caterpillar 621K photo 3](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jMWU4NmM1MDYyMWZjYzE3YTNiMmM2MTNjNDE4YzQzMyYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNjIyMDY=) ![2019 Caterpillar 621K photo 4](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hZDRmODIxZmU4MTQyNTg1ZDMyM2M0YzRiMDAwOWVkMCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNTY1MzI=) ![2019 Caterpillar 621K photo 5](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iNjM1NjY2ZWY4MzVhNmIyODlhYTc4MmI3MmUyNmYxMyYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNjMzNDQ=) ![2019 Caterpillar 621K photo 6](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ZmJkMWM5ZDI3M2M0MTVkZDg4YzA2ZjNjMGVlNGZjOCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNjI0NDM=) ![2019 Caterpillar 621K photo 7](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hZTcyZmE2YTRhNDY5ODdlZDMwM2IwODZiNWU1ZmQ5ZCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMTA0Mjc=) ![2019 Caterpillar 621K photo 8](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hYjAxZDNjZWU5NTEzOGI5YjIwYWFhMWYzY2I3YWM5MSYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMTkyMjI=) ![2019 Caterpillar 621K photo 9](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hYmQ0NjYyNjQ0NDk2NjZlODc4OGE0YWIzMjYyZGRhZSYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNTg5NDM=) ![2019 Caterpillar 621K photo 10](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iZTVkZTRmYmIxNDRiZTkwOWQ0Y2JlODRmZjA5OTQxNCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMjg2MA==) ![2019 Caterpillar 621K photo 11](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lODFlMzNhNWYzNmYxMzYyOTE4M2NiZTc3ODNmYmU5MSYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMjAxNjk=) ![2019 Caterpillar 621K photo 12](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04OGE0NTliYjI0N2Q0NWRlOTBkY2IyZDU0ZDc0ZGE5YiYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMTkzMDQ=) ![2019 Caterpillar 621K photo 13](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lNWEwYmE4NTY4NDA2Yzk3ODljMWYzN2MwMjRlOWE2OCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNDg3Nw==) ![2019 Caterpillar 621K photo 14](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jNTEwODFjODE3MDU5NTU3ZDBkNjg4NDUzZTYzOWQ2MCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMjI2MTk=) ![2019 Caterpillar 621K photo 15](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hNGQ1ZDRlZWE0YTRhNmVhYWIwZGE5NzIzNzExOGM4MiYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNjI4NTg=) ![2019 Caterpillar 621K photo 16](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mZDE4YTRkZGE3NjdiMmYzZTM5Y2M0ZDE2ODI0MmQwMSYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNDU1MjU=) ![2019 Caterpillar 621K photo 17](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mNWQ4OTQ0YzNmZjgzOGM0YzEzZmYxODExNzc5MTJmZiYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNTM5NDQ=) ![2019 Caterpillar 621K photo 18](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hZTA2MWQwYmMzZmYzYjY4OWMzNDJkYzlmNmYzMmEyNyYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mMzYyNg==) ![2019 Caterpillar 621K photo 19](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iNzAwZjA1OWY4ZDQwYzhkYjc2MDc3ZDY4ODU5ZmNhNCYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNDc2ODU=) ![2019 Caterpillar 621K photo 20](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jNmY1ODVjNGIxNjU2YWNiYTA0Y2M4NzZiN2IxYTZiMSYkdHh0PVdIRUVMRVIlMjBNQUNISU5FUlklMjBDTy4mNDc1NzI=)