OVERVIEW
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.
SPECIFICATIONS
- Fuel Tank 818 l216.09 gal (US)
- Cooling System 45 l11.89 gal (US)
- Hydraulic System 83 l21.926 gal (US)
- Brakes ISO 3450:1996
- Note Cat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
- Wheel Base 7998 mm314.9 in
- Industry wheel-tractor-scrapers
- Overview 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.
EQUIPMENT
621K Standard Equipment
- POWER TRAIN - TRACTOR
- Cat C13 ACERT 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)
621K Optional Equipment
- 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
- 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)
360° INTERACTIVE
Exterior
Interior
RELATED PRODUCTS
637K (TIER 4 FINAL/STAGE IV)
wheel tractor scrapers
- Fuel Tank: 1400 l370 gal (US)
- Hydraulic System: 142 l37.5 gal (US)
- Brakes: ISO 3450:2011
621K
wheel tractor scrapers
- Fuel Tank: 818 l216.09 gal (US)
- Cooling System: 45 l11.89 gal (US)
- Hydraulic System: 83 l21.926 gal (US)
631K (Tier 4 Final/Stage IV)
wheel tractor scrapers
- Fuel Tank: 874 l231 gal (US)
- Cooling System: 75 l19.8 gal (US)
- Hydraulic System: 142 l37.5 gal (US)
637K (Tier 4 Final/Stage IV)
wheel tractor scrapers
- Fuel Tank: 1400 l370 gal (US)
- Hydraulic System: 142 l37.5 gal (US)
- Brakes: ISO 3450:2011
657G
wheel tractor scrapers
- Bore: 137 mm5.4 in
- Stroke: 171.5 mm6.8 in
- Displacement: 15.2 l928 in³
657G
wheel tractor scrapers
- Bore: 140 mm5.5 in
- Stroke: 165 mm6.5 in
- Displacement: 15.2 l928 in³
