- Specs Summary
- Flywheel Power - Tractor/Scraper
( )
- Tractor Engine
- Flywheel Power - Tractor/Scraper
- Scraper Engine
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.
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Rated Load
( )
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Fuel Tank Refill Capacity - Scraper
201 gal (US) (763 l)
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180° Curb-to-Curb Turning Width
38.71 ft (11.8 m)
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Overall Shipping Height
13.22 ft (4.03 m)
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Overall Width
11.71 ft (3.57 m)
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Top Speed - Loaded
33.5 mile/h (53.9 km/h)
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Scraper Capacity - Heaped
24 yd³ (18.4 m³)
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Width - Cut
10.3 ft (3.14 m)
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Maximum Depth of Cut
12.4 in (315 mm)
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Tires - Scraper
( )
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Maximum Depth of Spread
21.3 in (540 mm)
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Scraper Capacity - Struck
17.1 yd³ (13 m³)
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Rated Engine RPM - Tractor
2000 r/min (2000 r/min)
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Flywheel Power - Tractor
407 HP (304 kW)
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Engine Model - Tractor
( )
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Scraper Capacity - Heaped
24 yd³ (18.4 m³)
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Top Speed - Loaded
33.5 mile/h (53.9 km/h)
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Hydraulic System
21.926 gal (US) (83 l)
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Fuel Tank
216.09 gal (US) (818 l)
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Front of Tractor to Front Axle
122.8 ft (3119 m)
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Axle to Vertical Hitch Pin
21.3 in (540 mm)
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Wheel Base
314.9 ft (7998 m)
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Rear Axle - Rear of Machine
114.1 ft (2898 m)
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Length - Overall Machine - Standard
551.8 in (14015 mm)
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Length - Maximum (Push-Pull)
613.2 in (15576 mm)
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Width - Rear Tire Centers
90.2 in (2290 mm)
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Overall Length
45.9 ft (14.02 m)
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Operating Weight - Empty
79787 lb (36185 kg)
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Overall Length - With Bail Down
51.1 ft (15.58 m)
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Operating Weight - Empty
80630 lb (36567 kg)
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ROPS/FOPS
( )
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Exterior Sound Level
( )
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Seat Belt
( )
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Reverse Alarm
( )
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Rollover Protection Structure (ROPS)
( )
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Brakes
( )
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Falling Object Protective Structure (FOPS)
( )
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Steering System
( )
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Transmission Gear - Third
7.5 mile/h (12.1 km/h)
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Transmission Gear - Reverse
5.7 mile/h (9.2 km/h)
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Transmission Gear - First
3.1 mile/h (5 km/h)
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Transmission Gear - Seventh
24.8 mile/h (39.9 km/h)
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Transmission Gear - Fifth
13.6 mile/h (21.9 km/h)
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Transmission Gear - Eighth
33.5 mile/h (53.9 km/h)
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Transmission Gear - Fourth
10.1 mile/h (16.3 km/h)
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Transmission Gear - Second
5.5 mile/h (8.9 km/h)
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Transmission Gear - Sixth
18.4 mile/h (29.6 km/h)
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Bail Lower
3.2 s (3.2 s)
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Ejector Extend
5.2 s (5.2 s)
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Apron Lower
3.8 s (3.8 s)
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Bowl Raise
3 s (3 s)
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Bowl Lower
3.5 s (3.5 s)
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Apron Raise
2.95 s (2.95 s)
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Bail Raise
1.8 s (1.8 s)
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Ejector Retract
6.7 s (6.7 s)
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Height - Overall Shipping
158.6 ft (4029 m)
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Width - Overall Machine
141.1 ft (3585 m)
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Width - Tractor
133.1 ft (3381 m)
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Height - Top of Cab
142.2 ft (3612 m)
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Ground Clearance - Tractor
21.9 in (557 mm)
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Height - Scraper Blade Maximum
20.5 in (520 mm)
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Width - Outside Rear Tires
128.9 in (3275 mm)
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Tires - Tractor Drive
( )
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Note
( )
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Flywheel Power - Tractor/Scraper
( )
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Cooling System
11.89 gal (US) (45 l)
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Crankcase
8.08 gal (US) (30.58 l)
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Diesel Exhaust Fluid
8.057 gal (US) (30.5 l)
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Transmission System
24.76 gal (US) (93 l)
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Width - Overall Machine - Ladder Down
149.2 in (3790 mm)
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Width - Inside of Bowl
120 ft (3048 m)
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
POWER TRAIN - TRACTOR
- Cat C13 engine with MEUI™
- Cat engine brake
- Electric start, 24 Volt
- Air cleaner, dry type with precleaner
- Fan, hydraulic
- Ground level engine shutdown
- Radiator, aluminum unit core, 9 fins per inch
- Guard, crankcase
- Muffler (only for less or non-regulated regions engine arrangement only)
- Starting aid, ether
- Braking system: - Primary and secondary, wet disc, hydraulic - Parking, hydraulic-released, spring-applied - Throttle lock
- Transmission: - 8-speed planetary power shift - ECPC control - APECS software - Programmable top gear selection - Transmission hold - Differential lock - Guard, power train - Standard tire spin reduction - Ground speed control - Machine speed limit - Differential lock protection
POWER TRAIN - SCRAPER
- Braking system: - Primary and secondary, wet disc, hydraulic
ELECTRICAL - TRACTOR
- Alternator, 150 Amp
- Batteries (4), 12V, 1,000 CCA, maintenance free, high output
- Electrical system, 24V
- Lighting system: - Headlights, halogen - Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
- Starting/charging receptacle
ELECTRICAL - SCRAPER
- Alarm, backup
- Lighting system: - Brake lights, LED - Turn signals with hazard function, LED
OPERATOR ENVIRONMENT - TRACTOR
- HVAC system, heat, AC, defrost
- Thermostat control of HVAC system
- Coat hook
- Lunchbox platform with holding strap
- Diagnostic connection (2)
- 12V power ports (2)
- Differential lock (1)
- Dome courtesy light
- Horn, electric
- T-Handle implement control
- Mirror, rearview
- Radio ready
- ROPS/FOPS cab, pressurized
- Keypad switches: - Throttle lock - Wipers/washers - Hazard lights - Retarding level select - Work lights on, off - Information mode on Messenger Display
- Safety tab rocker switches
- Seat belt, static two-piece
- Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
- Steering wheel, tilt, telescoping, padded
- Windows, right side emergency egress
- Windows, sliding
- Windows, laminated, zipped in
- Windshield wipers, front and rear windows, includes washers
- Door lock
- Messenger Display
- Gauges, warnings include: - Coolant temperature - Engine oil temperature - Hydraulic oil temperature - DPF temperature - Fuel level - Park brake - Implement lockout - Brake system - Regeneration required - Throttle lock - System voltage - Secondary steering - Bail down - Ejector auto - Differential lock - Apron float - Transmission hold - Cushion hitch - High beam lights - Action lamp - Engine speed, rpm - Gear selection - DEF fill levels
FLUIDS
- Extended Life Coolant to -37° C (-34° F)
OTHER STANDARD EQUIPMENT - TRACTOR
- Advanced cushion hitch
- Accumulators (cushion hitch) with Canadian Registration Number (CRN)
- Fast oil change
- Fenders, non-metallic
- Heater, engine coolant 120V
- Rims (2)
- Tow pin, front
- Vandalism locks
- Heater, engine coolant 120V
OTHER STANDARD EQUIPMENT - SCRAPER
- Bowl: - 18.4 m3 (24 yd3), heaped - 14.1 m3 (18.4 yd3), struck
- Vandalism locks
- Hydraulic position sensing cylinders (bowl lift and apron)
Optional Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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
- Year of manufacture plate
WORK LIGHT ATTACHMENTS
AMBIENT CAPABILITY ARRANGEMENTS
- Cooling, high ambient HRC
- Cooling, low ambient HRC
- Cooling, high ambient LRC
- Cooling, low ambient LRC
SERVICE INSTRUCTIONS
- Film arrangement - U.S. (ANSI)
- Film arrangement - International (ISO)