New | 621H 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.

Engine
Maximum Power407 mm H2O
TractorCat® C13 ACERT™
Tractor Engine
Flywheel Power - Tractor/Scraper304 kW (407 hp)
Scraper Bowl
Scraper Capacity - Heaped24 yd³
Rated Load57600 lb
Heaped Capacity24 yd³
Maximum Apron Closure Force50580 lb
Maximum Apron Opening69.6 in
Maximum Depth of Cut12.4 in
Maximum Depth of Spread21.3 in
Maximum Ground Clearance at Cutting Edge23.4 in
Maximum Hydraulic Penetration Force130390 lb
Struck Capacity17.1 yd³
Thickness - Cutting Edge0.9 in
Width - Cut - Outside Router Bits123.5 in
Transmission
Top Speed - Loaded33.5 mile/h
1 Forward3.1 mile/h
2 Forward5.5 mile/h
3 Forward7.5 mile/h
4 Forward10.1 mile/h
5 Forward13.6 mile/h
6 Forward18.4 mile/h
7 Forward24.8 mile/h
8 Forward33.5 mile/h
Reverse5.7 mile/h
Hydraulics
Cushion Hitch Circuit Flow10.6 gal/min
Cushion Hitch Cylinder Bore5.5 in
Cushion Hitch Cylinder Stroke9.9 in
Push/Pull Bail Cylinder Bore3.5 in
Push/Pull Bail Cylinder Stroke16.3 in
Scraper Circuit Flow66 gal/min
Secondary Steering Circuit Flow10.3 gal/min
Steering Circuit Flow61.8 gal/min
Steering Cylinder - Bore5 in
Steering Cylinder - Stroke44.4 in
Bowl Cylinder Bore5.5 in
Bowl Cylinder Stroke33.3 in
Apron Cylinder Bore5.9 in
Apron Cylinder Stroke22.2 in
Ejector Cylinder Bore5.5 in
Ejector Cylinder Stroke61 in
Steering
Steering Angle - Right85º
Steering Angle - Left82º
Service Refill Capacities - Tractor
Engine Crankcase8.75 gal (US)
Windshield Washer Reservoir1.3 gal (US)
Transmission18.5 gal (US)
Differential45.8 gal (US)
Final Drive - Each5 gal (US)
Cooling System17 gal (US)
Hydraulic Reservoir22 gal (US)
Service Refill Capacities - Scraper
Fuel Tank201.6 gal (US)
Non-Powered Wheel1.1 gal (US)
Standards
StandardsStandards
Tractor Engine - U.S. EPA Tier 4 Interim/EU Stage IIIB
Bore5.1 in
Displacement763 in³
Maximum Power - All Gears - ISO 14396407 mm H2O
Maximum Power Reference Engine Speed1700 r/min
Stroke6.2 in
Tractor EngineCat® C13 ACERT™
Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*
Bore5.1 in
Displacement763 in³
Maximum Power - All Gears - ISO 14396407 mm H2O
Maximum Power Reference Engine Speed1700 r/min
Stroke6.2 in
Tractor EngineCat® C13 ACERT™
Weights - Machines Meeting U.S. EPA Tier 4 Interim/EU Stage IIIB Emission Standards
Push-Pull - Loaded - Based on a Rated Load141141 lb
Push-Pull - Operating Weight - Full Fuel Tanks82541 lb
Push-Pull - Shipping Weight - 10% Fuel81090 lb
Standard - Loaded, Based on a Rated Load137374 lb
Standard - Operating Weight - Full Fuel Tanks79774 lb
Standard - Shipping Weight - 10% fuel78279 lb
Weights - Machines Achieving Prior U.S. EPA Tier 3/EU Stage IIIA Emission Levels
Push-Pull - Loaded - Based on a Rated Load135597 lb
Push-Pull - Operating Weight - Full Fuel Tanks81996 lb
Push-Pull - Shipping Weight - 10% Fuel80502 lb
Standard - Loaded, Based on a Rated Load136830 lb
Standard - Operating Weight - Full Fuel Tanks79230 lb
Standard - Shipping Weight - 10% fuel77735 lb
  • Operator's Station
  • Operator's Station
  • Operator Comfort
  • Operator Comfort
  • Operator Comfort
  • Operator Comfort
  • Operator Comfort
  • Operator Comfort
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Transmission
  • Power Train - Transmission
  • Power Train - Transmission
  • Structures
  • Structures
  • Structures
  • Structures
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Loading Options
  • Loading Options
  • Integrated Technologies
  • Integrated Technologies
  • Integrated Technologies
  • Integrated Technologies
  • Complete Customer Support
  • Complete Customer Support
  • Complete Customer Support
  • Complete Customer Support
  • Complete Customer Support
  • Complete Customer Support
  • Safety
  • Safety
  • Safety

Standard Equipment

POWER TRAIN - TRACTOR
  • C13 ACERT engine with MEUI
  • Cat Engine Brake
  • Electric start, 24 Volt
  • Air cleaner, dry type with precleaner
  • Fan, hydraulic
  • Diesel Particulate Filter (DPF) aftertreatment (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
  • Ground level engine shutdown
  • Radiator, aluminum unit core
  • Guard, crankcase
  • Muffler (for engines achieving U.S. EPA Tier 3/EU Stage IIIA emission levels)
  • Starting aid, ether
  • Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
  • Throttle Lock
  • Transmission: 8-speed planetary powershift ECPC Control APECS software Programmable top gear selection Transmission hold Differential lock Guard, power train
POWER TRAIN - SCRAPER
  • Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
  • 4-speed (torque converter drive) transmission, planetary powershift
ELECTRICAL - TRACTOR
  • Alternator, 150 Amp
  • Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high output
  • Electrical system, 24V
  • Lighting system: Headlights, halogen Turn signals with hazard function LED Floodlights, halogen (2), cutting edge (1), bowl (2), 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, 12V
  • ROPS/FOPS cab, pressurized
  • Keypad switches
  • Safety tab rocker switches
  • Parking brake
  • Seat belt, static two-piece
  • Seat, air suspension, Comfort Series 3, rotates 30 degrees
  • Steering wheel, tilt, telescoping, padded
  • Storage in dash if WAVS or Cat Grade Control is not equipped
  • 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 temp Engine oil temp Hydraulic oil temp DPF temp Fuel level Park brake Implement lockout Brake system Regeneration required Throttle lock System voltage Secondary steering Bai
FLUIDS
  • Extended Life Coolant to -37° C (-34° F)
OTHER STANDARD EQUIPMENT - TRACTOR
  • Cushion hitch
  • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
  • Fast oil change
  • Fenders, non metallic
  • Heater, engine coolant 120V
  • Tow pin, front
  • Vandalism locks
OTHER STANDARD EQUIPMENT - SCRAPER
  • Quick drop bowl valve
  • Vandalism locks
  • Extended push block

listofrelationships

original

original

original

original

original

Other Models in this Category

Select Product Category