621 Wheel Tractor-Scraper

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General

Overall Shipping Height: 13.22 ft
Overall Width: 11.75 ft
Scraper Capacity - Heaped: 24 yd³
Fuel Tank Refill Capacity - Scraper: 216.1 gal (US)
Tires - Scraper: 33.25R29**E3
Width - Cut: 10.3 ft
Maximum Depth of Spread: 21.3 in
Top Speed - Loaded: 33.5 mile/h
Rated Load: 26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
180° Curb-to-Curb Turning Width: 38.71 ft
Scraper Capacity - Struck: 17.1 yd³
Maximum Depth of Cut: 12.4 in
Tires - Tractor Drive: 33.25R29**E3

Engine

Engine Model - Tractor: Cat C13
Flywheel Power - Tractor: 407 hp
Note: Cat C13 engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Rated Engine RPM - Tractor: 2000 r/min

Tractor Engine

Flywheel Power - Tractor/Scraper: 304 kW (407 hp)

Scraper Bowl

Scraper Capacity - Heaped: 24 yd³

Transmission

Top Speed - Loaded: 33.5 mile/h

Service Refill Capacities

Hydraulic System: 21.926 gal (US)
Crankcase: 8.08 gal (US)
Transmission System: 24.76 gal (US)
Cooling System: 11.89 gal (US)
Fuel Tank: 216.09 gal (US)
Diesel Exhaust Fluid: 8.057 gal (US)

Dimensions

Width - Overall Machine: 141.1 in
Width - Tractor: 133.1 in
Width - Inside of Bowl: 120 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
Wheel Base: 314.9 in
Rear Axle - Rear of Machine: 114.1 in
Length - Overall Machine - Standard: 551.8 in
Length - Maximum (Push-Pull): 613.2 in
Width - Overall Machine - Ladder Down: 149.2 in
Width - Rear Tire Centers: 90.2 in

Non Push-Pull

Operating Weight - Empty: 79787 lb
Overall Length: 45.9 ft

Push-Pull

Overall Length - With Bail Down: 51.1 ft
Operating Weight - Empty: 80630 lb

Cab

Exterior Sound Level: The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
ROPS/FOPS: Meets SAE and ISO standards

Safety Criteria Compliance Standards

Rollover Protection Structure (ROPS): ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Brakes: ISO 3450:1996
Reverse Alarm: ISO 9533:2010
Falling Object Protective Structure (FOPS): ISO 3449:2005 Level II
Seat Belt: SAE J386:JUN1985
Steering System: ISO 5010:2007

Travel Speeds - Runout

Transmission Gear - Seventh: 24.8 mile/h
Transmission Gear - Fifth: 13.6 mile/h
Transmission Gear - First: 3.1 mile/h
Transmission Gear - Sixth: 18.4 mile/h
Transmission Gear - Second: 5.5 mile/h
Transmission Gear - Third: 7.5 mile/h
Transmission Gear - Fourth: 10.1 mile/h
Transmission Gear - Eighth: 33.5 mile/h
Transmission Gear - Reverse: 5.7 mile/h

Implement Cycle Times

Apron Raise: 2.95 s
Bowl Raise: 3 s
Ejector Retract: 6.7 s
Bowl Lower: 3.5 s
Apron Lower: 3.8 s
Ejector Extend: 5.2 s
Bail Lower: 3.2 s
Bail Raise: 1.8 s

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)

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
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
- Camera arrangement - WAVS
- Steering lock - external
- Cab beacon
- Air horn
- Air horn and beacon
- Fender, scraper
- Guard, overflow
- Wiring group
- Year of manufacture plate
SERVICE INSTRUCTIONS
- Film arrangement - U.S. (ANSI)
- Film arrangement - International (ISO)