621 | Toromont Cat

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Specifications

Cab

Exterior Sound Level

The exterior sound power level for the standard machine (ISO 6395:2008) is 114 dB(A).
ROPS/FOPS

Meets SAE and ISO standards

Dimensions

Width - Overall Machine

141.1 in 3585 mm
Width - Tractor

133.1 in 3381 mm
Width - Inside of Bowl

120 in 3048 mm
Width - Outside Rear Tires

128.9 in 3275 mm
Height - Overall Shipping

158.6 in 4029 mm
Height - Top of Cab

146.2 in 3714 mm
Ground Clearance - Tractor

21.9 in 557 mm
Front of Tractor to Front Axle

122.8 in 3119 mm
Axle to Vertical Hitch Pin

21.3 in 540 mm
Height - Scraper Blade Maximum

21.3 in 540 mm
Wheel Base

314.9 in 7998 mm
Rear Axle - Rear of Machine

114.1 in 2898 mm
Length - Maximum (Push-Pull)

613.2 in 15576 mm
Length - Overall Machine - Standard

551.8 in 14015 mm
Width - Overall Machine - Ladder Down

149.2 in 3790 mm
Width - Rear Tire Centers

90.2 in 2290 mm

Engine

Engine Model - Tractor

Cat C13
Rated Engine RPM - Tractor

2000 r/min 2000 r/min
Flywheel Power - Tractor

407 hp 304 kW
Note

Meets U.S. EPA Tier 4 Final/EU Stage V emission standards, or noncertified and equivalent to U.S. EPA Tier 2, or noncertified and equivalent to U.S. EPA Tier 3/EU Stage IIIA.

General

Scraper Capacity - Heaped

24 yd³ 18.4 m³
Overall Width

11.8 ft 3.57 m
Fuel Tank Refill Capacity - Scraper

216.1 gal (US) 818 l
180° Curb-to-Curb Turning Width

38.71 ft 11.8 m
Top Speed - Loaded

33.5 mile/h 53.9 km/h
Width - Cut

10.4 ft 3.14 m
Maximum Depth of Cut

12.4 in 315 mm
Maximum Depth of Spread

21.3 in 540 mm
Scraper Capacity - Struck

17.1 yd³ 13 m³
Rated Load

26 127 kg (57,600 lb); 26.19 tonnes (28.81 tons)
Tires - Tractor Drive

33.25R29**E3
Overall Shipping Height

13.22 ft 4.03 m
Tires - Scraper

33.25R29**E3

Implement Cycle Times

Bail Lower

3.2 s 3.2 s
Apron Raise

3 s 3 s
Apron Lower

3.8 s 3.8 s
Ejector Extend

5.2 s 5.2 s
Bail Raise

1.8 s 1.8 s
Ejector Retract

6.7 s 6.7 s
Bowl Raise

3.3 s 3.3 s
Bowl Lower

3.5 s 3.5 s

Non Push-Pull

Overall Length

45.9 ft 14.02 m
Operating Weight - Empty

79774 lb 36385 kg

Push-Pull

Overall Length - With Bail Down

51.1 ft 15.58 m
Operating Weight - Empty

83138 lb 37711 kg

Safety Criteria Compliance Standards

Steering System

ISO 5010:2007
Brakes

ISO 3450:1996
Rollover Protection Structure (ROPS)

ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Falling Object Protective Structure (FOPS)

ISO 3449:2005 Level II
Seat Belt

SAE J386:JUN1985
Reverse Alarm

ISO 9533:2010

Scraper Bowl

Scraper Capacity - Heaped

24 yd³ 18.4 m³

Service Refill Capacities

Crankcase

9.7 gal (US) 37 l
Transmission System

25.5 gal (US) 97 l
Diesel Exhaust Fluid (DEF)

8.1 Gal 30.5 l
Fuel Tank

216.1 gal (US) 818 l
Hydraulic System

21.9 gal (US) 83 l

Service Refill Capacities - Tractor

Wheel Coolant - Each

8.7 gal (US) 33 l
Cooling System

11 Gal 42 l

Tractor Engine

Flywheel Power - Tractor/Scraper

304 kW (407 hp)

Transmission

Top Speed - Loaded

33.5 mile/h 53.9 km/h
1 Forward

3.1 mile/h 5 km/h
2 Forward

5.5 mile/h 8.9 km/h
3 Forward

7.5 mile/h 12.1 km/h
4 Forward

10.1 mile/h 16.3 kl/h
5 Forward

13.6 mile/h 21.9 km/h
6 Forward

18.4 mile/h 29.6 kl/h
7 Forward

24.8 mile/h 39.9 kl/h
8 Forward

33.5 mile/h 53.9 kl/h

Travel Speeds - Runout

Transmission Gear - First

3.1 mile/h 5 km/h
Transmission Gear - Second

5.5 mile/h 8.9 km/h
Transmission Gear - Third

7.5 mile/h 12.1 km/h
Transmission Gear - Fourth

10.1 mile/h 16.3 km/h
Transmission Gear - Fifth

13.6 mile/h 21.9 km/h
Transmission Gear - Sixth

18.4 mile/h 29.6 km/h
Transmission Gear - Seventh

24.8 mile/h 39.9 km/h
Transmission Gear - Eighth

33.5 mile/h 53.9 km/h
Transmission Gear - Reverse

5.7 mile/h 9.2 km/h

Benefits

BE MORE PRODUCTIVE

Smart mode helps reduce fuel consumption by automatically matching the correct gear and hydraulic power to digging conditions.
Advanced Productivity Electronic Control System (APECS) allows the engine and transmission to communicate on a high level. This communication allows the machine to better utilize the power and torque the engine is producing. The net result is moving more material.
Use Ground Speed Control to set the desired top speed and the machine will find the gear that works best for the engine and the transmission, providing a lower fuel burn.
The machine speed limit feature allows the machine to maintain a set top speed instead of relying on the top gear selector.
Auto-stall assists in quickly bringing the transmission to an operating temperature at startup when the machine is working in a cold climate region.
Enhance productivity through the usage of Cat Payload with Sequence Assist.
Cat Payload for scrapers is an earthmoving solution for optimal payload and jobsite efficiency. Cat Payload achieves on-the-go weighing by using bowl lift cylinder pressure during the loaded haul segment. Cat Payload is optimized to be used with Sequence Assist, which provides increased productivity with fewer operator effort.

WORK IN COMFORT

Reduce up to 14 individual operator commands per cycle with Sequence Assist (optional attachment).
Steer with less effort using the newly designed high-pressure
steering system.
Enjoy interior improvements and a more ergonomic work environment
with a 21% larger cab than the G Series cab.
Intuitive, ergonomic controls keep operators focused on their work.
Maintain desired cab temperature with automatic temperature
control.

DESIGNED FOR SAFETY

Enhance an operator’s awareness of site surroundings with the Work Area Vision System (WAVS).
Seat belt indicator provides visual and audible alerts when the seat belt is not in use.
Advanced cushion hitch allows the cushion hitch to prevent end stroke by predicting end stroke events and managing the rate of dampening, resulting in reduced hitch maintenance and improved operator ride in rough conditions.

EASY TO OPERATE

The spacious cab features easy, intuitive controls and excellent
visibility. The cab provides a comfortable working environment for a full-day
operation.
Cat Advanced Ride Management (ARM) seat suspension reduces end
stroke movement of the load cylinder for a smoother ride.
Engine overspeed protection will automatically engage with no operator
input when the machine is in eighth gear. The machine will
assist in slowing the machine speed by canceling the throttle
command and engaging the engine compression brake.

INTEGRATED CAT TECHNOLOGIES

Monitor, manage, and enhance jobsite operations.
Hit target grade faster and more accurately with Cat Grade technologies. Finish jobs in fewer passes and with less operator effort, saving you time and helping to increase profit.
Product Link™ collects machine data that can be viewed online through web and mobile applications (optional attachment).
Access information anytime, anywhere with Vision Link™– use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety and security on your jobsite.
Shorten the learning curve for inexperienced operators with
Sequence Assist and Load Assist (included with Cat Grade
attachment).

EXECUTE EFFICIENCY

The new tractor hydraulic on-demand fan helps assist in lower fuel consumption.
The Cat C13 tractor engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards, or U.S. EPA Tier 2/equivalent to U.S. EPA Tier 3 and EU Stage IIIA emission standards, contributing to lower fuel consumption.
Using draft-arm overflow guards diverts material away from the bowl, preventing material from getting caught between the draft arms and the bowl sides.
Cat Grade (optional attachment) intelligently ensures the machine does not cut below grade in a cut area or overfill in the fill area.

Equipment Info

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

OTHER STANDARD EQUIPMENT - SCRAPER

Bowl: - 18.4 m3 (24 yd3), heaped - 14.1 m3 (18.4 yd3), struck

POWER TRAIN - TRACTOR

Cat C13 engine with MEUI™

INTEGRATED TECHNOLOGIES

Sequence Assist - Cat Payload

POWER TRAIN - SCRAPER

Braking system: - Primary and secondary, wet disc, hydraulic

ELECTRICAL - TRACTOR

Alternator, 150 Amp

ELECTRICAL - SCRAPER

Alarm, backup

OPERATOR ENVIRONMENT - TRACTOR

HVAC system, heat, AC, defrost

FLUIDS

Extended Life Coolant to -37° C (-34° F)

OTHER STANDARD EQUIPMENT - TRACTOR

Advanced cushion hitch

360 view

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