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621K Wheel Tractor-Scraper 10960

621K Wheel Tractor-Scraper
10960 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.

CAT
Price: Request a Quote

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.

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Scraper Capacity - Heaped
24 yd³
Top Speed - Loaded
33.5 mile/h
Width - Overall Machine
141.1 in

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

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 - Maximum (Push-Pull)
613.2 in
Length - Overall Machine - Standard
551.8 in
Width - Rear Tire Centers
90.2 in
Width - Overall Machine - Ladder Down
149.2 in

Safety Criteria Compliance Standards

Steering System
ISO 5,010:2,007
Seat Belt
SAE J386:JUN1,985
Falling Object Protective Structure (FOPS)
ISO 3,449:2,005 Level II
Brakes
ISO 3,450:1,996
Reverse Alarm
ISO 9,533:2,010
Rollover Protection Structure (ROPS)
ISO 3,471:2,008 for up to 17 084 kg (37,664 lb)

Cab

Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6,393) is 111.5 dB(A).
ROPS/FOPS
Meets SAE and ISO standards

Push-Pull

Overall Length - With Bail Down
51.1 ft
Operating Weight - Empty
80,630 lb

Travel Speeds - Runout

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

General

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

Implement Cycle Times

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

Engine

Engine Model - Tractor
Cat C13
Rated Engine RPM - Tractor
2,000 r/min
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.

Non Push-Pull

Operating Weight - Empty
79,787 lb
Overall Length
45.9 ft

Service Refill Capacities

Hydraulic System
21.93 gal (US)
Cooling System
11.89 gal (US)
Fuel Tank
216.09 gal (US)
Crankcase
8.08 gal (US)
Diesel Exhaust Fluid
8.06 gal (US)
Transmission System
24.76 gal (US)

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
    • HID work lights
  • 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)

Specifications

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

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 - Maximum (Push-Pull)
613.2 in
Length - Overall Machine - Standard
551.8 in
Width - Rear Tire Centers
90.2 in
Width - Overall Machine - Ladder Down
149.2 in

Safety Criteria Compliance Standards

Steering System
ISO 5,010:2,007
Seat Belt
SAE J386:JUN1,985
Falling Object Protective Structure (FOPS)
ISO 3,449:2,005 Level II
Brakes
ISO 3,450:1,996
Reverse Alarm
ISO 9,533:2,010
Rollover Protection Structure (ROPS)
ISO 3,471:2,008 for up to 17 084 kg (37,664 lb)

Cab

Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6,393) is 111.5 dB(A).
ROPS/FOPS
Meets SAE and ISO standards

Push-Pull

Overall Length - With Bail Down
51.1 ft
Operating Weight - Empty
80,630 lb

Travel Speeds - Runout

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

General

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

Implement Cycle Times

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

Engine

Engine Model - Tractor
Cat C13
Rated Engine RPM - Tractor
2,000 r/min
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.

Non Push-Pull

Operating Weight - Empty
79,787 lb
Overall Length
45.9 ft

Service Refill Capacities

Hydraulic System
21.93 gal (US)
Cooling System
11.89 gal (US)
Fuel Tank
216.09 gal (US)
Crankcase
8.08 gal (US)
Diesel Exhaust Fluid
8.06 gal (US)
Transmission System
24.76 gal (US)

Standard/Optional Features

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
    • HID work lights
  • 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)

Attachments