The new Cat® D1 delivers superior performance and the broadest choice of technology features to help you get the most from your dozer. Nimble and responsive, it has power for dozing and finesse for grading. Fully hydrostatic transmission gives you seamless acceleration, so you can get the job done quickly. The load sensing system automatically optimizes ground speed based on load, for the greatest productivity and fuel efficiency.

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Displacement 220in³
Engine Model Cat C3.6
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 80HP
Net Power - 2,200 rpm - SAE J1349 80HP
Note (1) Net power is tested per ISO 9249:2007 and SAE J1349:2011 and as advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator.
Note (2) All non-road U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm EPA/10 ppm EU (mg/kg) sulfur or less.
Power - Net 80HP
Operating Weight 17855lb
Note (1) Specifications shown are for machine equipped with dozer blade, EROPS cab, back-up alarm, operator, coolant, lubricants and full fuel tank.
Note (2) For machine with ripper, add 554 kg (1,222 lb).
Operating Weight - LGP 18839lb
Operating Weight - LGP, 762 mm/30 in 19295lb
Drive Pumps 1
Maximum Travel Speed - Forward 5.6mile/h
Maximum Travel Speed - Reverse 6.2mile/h
Relief Valve Settings 7033psi
Track Motors 2
Pump Output 17.2gal/min
Relief Valve Settings 2988psi
Control Hydraulic
Drum Capacity - Optional Cable 256ft
Drum Capacity - Recommended Cable 371ft
Drum Diameter 10in
Drum Width 10.8in
Maximum Line Pull - Bare Drum 40000lb
Maximum Line Pull - Full Drum 25000lb
Maximum Line Speed - Bare Drum 131ft/min
Maximum Line Speed - Full Drum 207ft/min
Overall Width 29.2in
Rope Diameter - Optional 0.75in
Rope Diameter - Recommended 0.63in
Speed Variable
Throat Clearance 6.75in
Weight 1345lb
Winch Drive Hydrostatic
Winch Length 27.76in
Height 6.5in
Maximum Digging Depth 13.3in
Maximum Ground Clearance Under Tip 17.6in
Maximum Reach - Ground Line 30.2in
Number of Shanks 3
Overall Width 67.3in
Type Parallelogram
Weight 1222lb
BLADE: Blade Capacity (SAE) - LGP 2.17yd³
BLADE: Blade Cutting Edge Angle, Adjustable - LGP 52° to 58°
BLADE: Blade Height - LGP 33.8in
BLADE: Blade Lift Height - LGP 28.7in
BLADE: Blade Width - LGP 124in
BLADE: Blade Width at Maximum Angle - LGP 113.1in
BLADE: Digging Depth - LGP 23in
BLADE: Maximum Angle (either side) - LGP 25°
BLADE: Maximum Tilt - LGP 17.2in
Dozer Height - LGP 108.9in
Dozer Height - LGP, 762 mm (30 in) 108.9in
Dozer Height - Standard 108.9in
Ground Clearance - LGP 13in
Ground Clearance - LGP, 762 mm (30 in) 13in
Length of Basic Dozer (without blade) - LGP 129.6in
Length of Basic Dozer (without blade) - LGP, 762 mm (30 in) 129.6in
Length of Basic Dozer (without blade) - Standard 129.6in
Note *Abrasion Undercarriage
Overall Length - With Blade - LGP 167.8in
Overall Length - With Blade - LGP, 762 mm (30 in) 167.8in
Track Gauge - LGP 67.9in
Track Gauge - LGP, 762 mm (30 in) 73in
Width of Dozer (standard shoes, no blade) - LGP 92.9in
Width of Dozer (standard shoes, no blade) - LGP, 762 mm (30 in) 94.9in
Width of Dozer (standard shoes, no blade) - Standard 74.8in
BLADE: Blade Capacity (SAE) - Standard  1.99yd³
BLADE: Blade Cutting Edge Angle, Adjustable - Standard  52° to 58°
BLADE: Blade Height - Standard  35.8in
BLADE: Blade Lift Height - Standard  28.7in
BLADE: Blade Width - Standard  104.2in
BLADE: Blade Width at Maximum Angle - Standard  95.2in
BLADE: Digging Depth - Standard  23.2in
BLADE: Maximum Angle (either side) - Standard  25°
BLADE: Maximum Tilt - Standard  14.5in
Ground Clearance - Standard  13in
Note  With Ripper Attachment (add to Length of Basic Dozer) - 1177 mm (46.3 in)
Overall Length - With Blade - Standard  168in
Track Gauge - Standard  58.9in
Power Train  Hydrostatic
FOPS ISO 3449:2005 Level II
ROPS ISO 3471:2008
Ground Pressure - LGP 4.3psi
Ground Pressure - LGP, 762 mm (30 in) 3.7psi
Length - Track on Ground - LGP 89in
Length - Track on Ground - LGP, 762 mm (30 in) 89in
Number of Rollers - Each Side 6
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage 43
Shoe Width - LGP 25in
Shoe Width - LGP, 762 mm (30 in) 30in
Shoe Width - Standard 16in
Track Gauge 59in
Track Gauge - LGP 68in
Track Gauge - LGP, 762 mm (30 in) 73in
Ground Pressure  6.45psi
Length of Track on Ground  89in
Number of Shoes - Each Side - Abrasion Undercarriage  38
Cooling System 4.2gal (US)
Crankcase - With Filter 2.8gal (US)
Diesel Exhaust Fluid (DEF) Tank 4.9gal (US)
Final Drive - Each - LGP 2.6gal (US)
Fuel Tank 51.5gal (US)
Transmission - Hydraulic Tank 23.8gal (US)
Final Drives - Each Side  2.6gal (US)
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Standard Equipment:

  • Power Train
    • Air cleaner with precleaner, automatic dust ejection and underhood intake
    • Aluminum bar plate cooling system (radiator, power train)
    • Automatic traction control
    • Cat C3.6 diesel engine
    • Drive, auxiliary
    • Dual path, closed loop, hydrostatic transmission
    • Electric fuel pump
    • Fuel/water separator
    • Turbocharged aftercooled
  • Electrical
    • Alarm, backup
    • Alternator, 150 amp, heavy duty
    • Batteries, heavy duty, maintenance free, 1,000 CCA
    • Diagnostic connector
    • Four integrated front halogen lights, two rear halogen
    • Horn, electric
    • Starter, electric, 12 V, heavy duty
  • Undercarriage
    • SALT undercarriage (43 section)
    • Carrier rollers
    • Guards, front/rear guiding
    • Six roller track frame
    • Track adjusters, hydraulic
    • Track rollers, lifetime lubricated
  • Hydraulic
    • Hydraulic pump and oil
    • Single lever, three function control
    • Three valve hydraulics
  • Cat Technology
    • Cat Product Link PLE643/PLE743 Cellular
    • Slope Indicate
    • Stable blade
    • Compatibility with radios and base stations from Trimble, Topcon, and Leica
    • Capability to install 3D grade systems from Trimble, Topcon, and Leica
  • Attachments
    • Rigid drawbar
    • Front pull device
  • Operator Environment
    • Armrests, adjustable
    • Coat hook
    • Controls, seat mounted, fore/aft adjustment
    • Cup holders
    • Eco mode
    • Electronic Monitoring system with gauge:
      – Chassis slope indication
      – Diesel exhaust fluid (DEF)
      – Engine coolant temperature
      – Fuel level
      – Hydraulic oil temperature
    • Electronic security system
    • Engine air cleaner service indicator
    • Engine RPM and gear display
    • Floor mat, rubber, heavy duty
    • Foot pads, dash
    • Hour meter, electronic
    • Independent forward/reverse speed settings
    • Mirror, rearview, inside
    • Power port, 12 volt
    • ROPS/FOPS canopy
    • Seat, air suspended, cloth or vinyl
    • Seatbelt, hi-vis retractable 76 mm (3")
    • Seatbelt buckling indicator/reminder
    • Single pedal combining decel and brake functions
    • Speed recall
    • Storage compartment
    • Throttle switch, rotary
    • Travel speed limiter, electronic

Optional Equipment:

  • Power Train
    • Air cleaner with external precleaner
    • Installation, winch
  • Electrical
    • Four integrated front LED lights, two rear LED
  • Undercarriage
    • Abrasion undercarriage (38 section)
    • Track Pairs
      – Track, 406 mm (16 in)
      – Track, 635 mm (25 in)
      – Track, 762 mm (30 in)
  • Hydraulic
    • Four valve for use with ripper
    • Four valve for use with winch
  • Cat Technology
    • Cat GRADE with Slope Assist
    • Cat GRADE with 3D
    • Cat Product Link PLE683/PLE783 Cellular/Satellite
    • Full-color 10 in (254 mm) touchscreen grade display
    • Power Pitch
  • Attachments
    • Drawbar, towing
    • Machine security system
    • Mounting, winch
    • Ripper, parallelogram, includes three shanks and teeth
    • Winch, hydraulic, high performance
    • Winch, hydraulic, retrieval
  • Operator Environment
    • Cab, with air conditioning
    • Cab, polycarbonate windows and air conditioning
    • Radio, AM/FM Bluetooth®
    • Seat, air suspension, choice of:
      – Vinyl, heated seat with heated controls
      – Cloth, heated seat with heated controls
      – Cloth, heated and ventilated seat with heated controls
    • Sound suppression
  • Other
    • Heater, engine, coolant 120 V/240 V
    • Starting aid, ether