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Cat

651 Partial Wheel Tractor-Scraper

Tractor Engine

Cat® C18

Cat® C18

Gross Power (SAE J1995)

629 hp

469 kW

Top Speed – Loaded

34.9 mile/h

56.1 km/h

Overview

Caterpillar offers partial wheel tractor-scraper power units designed for specialty machines that complement the traditional Cat® product line. These tractor-only configurations are available for purchase directly from Caterpillar OEM Solutions. They can be leveraged for a variety of final machines, including water pulls, elevating scrapers, lowboy trailer power units, and more. With improvements in productivity combined with enhancements in operator comfort and new safety features – Powered Access System and effective wet disc brakes – this machine offers high returns on time and investment.

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Exterior

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Details

Specifications

Spec Value
Tractor Engine Cat® C18 Cat® C18
Note Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Spec Value
Gross Power (SAE J1995) 629 hp 469 kW
Bore 5.7 in 145 mm
Stroke 7.2 in 183 mm
Displacement 1105 in³ 18.1 l
Spec Value
Top Speed – Loaded 34.9 mile/h 56.1 km/h
1 Forward 3.5 mile/h 5.7 km/h
2 Forward 6.5 mile/h 10.5 km/h
3 Forward 7.8 mile/h 12.5 km/h
4 Forward 10.6 mile/h 17 km/h
5 Forward 14.2 mile/h 22.8 km/h
6 Forward 19.2 mile/h 30.9 km/h
7 Forward 25.7 mile/h 41.4 km/h
8 Forward 34.9 mile/h 56.1 km/h
Reverse 6.7 mile/h 10.8 km/h
Spec Value
Width – 180° Turn – Right 45.4 ft 13.85 m
Width – 180° Turn – Left 47.57 ft 14.5 m
Steering Angle – Right 90 90
Steering Angle – Left 85 85
Spec Value
Brakes ISO 3450:2011 ISO 3450:2011
ROPS/FOPS ROPS: ISO 3471:2008 for up to 26 600 kg (58,643 lb). FOPS: ISO 3449:2005 Level II ROPS: ISO 3471:2008 for up to 26 600 kg (58,643 lb). FOPS: ISO 3449:2005 Level II
Cab Seat Belt: SAE J386:AUG2012 Seat Belt: SAE J386:AUG2012
Spec Value
Fuel Tank 227 gal (US) 860 l
Crankcase 13.7 gal (US) 52 l
Transmission 35.9 gal (US) 136 l
Differential 36 gal (US) 136 l
Final Drive – Each 6 gal (US) 29.5 l
Cooling System 23.4 gal (US) 88.6 l
Hydraulic Reservoir 39.6 gal (US) 150 l
Windshield Washer 0.5 gal (US) 5 l

Standard Equipment

NOTE

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

POWERTRAIN

  • Transmission: 8-speed planetary powershift, ECPC control, APECS software, programmable top gear selection, transmission hold, differential lock, guard – power train, ground speed control, machine speed limit
  • Cat C18
  • Cat engine brake
  • Electric start, 24V
  • Differential Lock
  • Fan, hydraulic
  • Ground level engine shutdown
  • Guard, crankcase
  • Starting aid, ether
  • Braking system: primary and secondary, wet disc, hydraulic; parking, hydraulic-released, spring-applied
  • Throttle lock

ELECTRICAL

  • Alternator, 115 ampere
  • Batteries (4), 12V, 1,000 CCA, maintenance free
  • Electrical system, 24V
  • Lighting system: LED headlights low beam and high beam, flood lights
  • Starting/charging receptacle

OPERATOR ENVIRONMENT

  • HVAC system, heat, AC, defrost, HVAC powered air precleaner
  • Thermostat control of HVAC system
  • Coat hook
  • Lunchbox platform with holding strap
  • Diagnostic connection
  • 12V power ports (2)
  • Differential lock (1)
  • Dome courtesy light
  • Horn, electric
  • T-handle implement control
  • Radio ready
  • ROPS/FOPS cab, pressurized
  • Keypad switches: rear engine start; throttle lock; wipers/washers; hazard lights; work lights on, off; information mode; messenger display; safety tab rocker switches, parking brake
  • Seat belt, static two-piece
  • Windshield wipers, front and rear windows, includes washers
  • Door lock
  • Powered access ladder
  • Seat: Cat Advanced Ride Management (ARM), Cat Comfort Series III, rotates 30 degrees
  • Steering wheel, tilt, telescoping, padded
  • Windows, right side emergency egress
  • 254 mm (10 in) touchscreen information display

FLUIDS

  • Extended life coolant to -37° C (-34° F)

OTHER EQUIPMENT

  • Accumulators (brake and cushion hitch) with Canadian Registration Number (CRN)
  • Fast oil change
  • Vandalism locks
  • Steering locks
  • Heater, engine coolant 120V

OTHER ATTACHMENTS

  • Work Area Vision (3) Camera System

Optional Equipment

OTHER ATTACHMENTS

  • Kingbolt housing
  • Rear wheel arrangement (set of 2)
  • Scraper draft arm package
  • Steering cylinder group (set of 2)
  • Wiring group
  • Cab beacon with air horn

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