D4K2 Track-Type Tractor

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Description
Technical Specifications
Benefits and Features
Equipment

Experience the best finish grading tractors in the industry. The Cat® D3K2, D4K2 and D5K2 Track-Type Tractors deliver superior performance and comfort with lower operating costs.

Engine
Engine Model Cat C4.4
Power - Net 92 HP
Displacement 269 in³
Bore 4.13 in
Stroke 5 in
Note Engine meets U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final) emission standards.
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 92 HP
Rated Net Power - 2,200 rpm - SAE J1349 92 HP
Weights
Operating Weight - XL 18007 lb
Operating Weight - LGP 18686 lb
Note (1) Specifications shown are for machine equipped with dozer blade, canopy ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.
Note (2) Enclosed cab adds 225 kg (495 lb).
Transmission
Drive Pumps 1
Maximum Travel Speed - Forward 5.6 mile/h
Maximum Travel Speed - Reverse 6.2 mile/h
Relief Valve Settings 7033 psi
Track Motors 2
Hydraulic Controls
Pump Output 17.7 gal/min
Relief Valve Settings 2988 psi
Winch
Weight 1345 lb
Winch Drive Hydrostatic
Control Hydraulic
Speed Variable
Maximum Line Speed - Bare Drum 131 ft/min
Maximum Line Speed - Full Drum 207 ft/min
Overall Width 29.2 in
Rope Diameter - Optional 0.75 in
Rope Diameter - Recommended 0.63 in
Throat Clearance 6.75 in
Winch Length 27.76 in
Drum Capacity - Optional Cable 256 ft
Drum Capacity - Recommended Cable 371 ft
Drum Diameter 10 in
Drum Width 10.8 in
Maximum Line Pull - Bare Drum 40000 lb
Maximum Line Pull - Full Drum 25000 lb
Ripper
Type Parallelogram
Number of Shanks 3
Height 6.5 in
Weight 1222 lb
Maximum Digging Depth 13.3 in
Maximum Ground Clearance Under Tip 17.6 in
Maximum Reach - Ground Line 23.5 in
Overall Width 67.3 in
Cab
FOPS ISO 3449:2005 Level II
ROPS ISO 6396:2008
Sound Levels - ISO 6396:2008 79 dB(A)
Sound Levels - SAE J1166 FEB2008 79 dB(A)
Dimensions
BLADE: Blade Capacity (SAE) - Intermediate 1.96 yd³
BLADE: Blade Capacity (SAE) - LGP 2.42 yd³
BLADE: Blade Capacity (SAE) - XL 2.59 yd³
BLADE: Blade Cutting Edge Angle, Adjustable - Intermediate 52° to 58°
BLADE: Blade Cutting Edge Angle, Adjustable - LGP 52° to 58°
BLADE: Blade Cutting Edge Angle, Adjustable - XL 52° to 58°
BLADE: Blade Height - Intermediate 33.9 in
BLADE: Blade Height - LGP 35.8 in
BLADE: Blade Height - XL 39.8 in
BLADE: Blade Lift Height - Intermediate 29.3 in
BLADE: Blade Lift Height - LGP 27.9 in
BLADE: Blade Lift Height - XL 29.3 in
BLADE: Blade Width - Intermediate 115 in
BLADE: Blade Width - LGP 124 in
BLADE: Blade Width - XL 109.5 in
BLADE: Blade Width at Maximum Angle - Intermediate 105.1 in
BLADE: Blade Width at Maximum Angle - LGP 113.1 in
BLADE: Blade Width at Maximum Angle - XL 100.1 in
BLADE: Digging Depth - Intermediate 23.2 in
BLADE: Digging Depth - LGP 23.2 in
BLADE: Digging Depth - XL 22.5 in
BLADE: Maximum Angle (either side) - Intermediate 25°
BLADE: Maximum Angle (either side) - LGP 25°
BLADE: Maximum Angle (either side) - XL 25°
BLADE: Maximum Tilt - Intermediate 17.6 in
BLADE: Maximum Tilt - LGP 17.2 in
BLADE: Maximum Tilt - XL 15.2 in
Ground Clearance - LGP 13 in
Ground Clearance - XL 13 in
Length - Basic Tractor - Without Blade - LGP 128.9 in
Length - Basic Tractor - Without Blade - XL 128.9 in
Overall Length - With Blade - LGP 168.3 in
Overall Length - With Blade - XL 168.3 in
Track Gauge - LGP 67.9 in
Track Gauge - XL 61 in
Tractor Height - LGP 108.8 in
Tractor Height - XL 108.8 in
Width - Tractor - Standard Shoes - No Blade - LGP 92.9 in
Width - Tractor - Standard Shoes - No Blade - XL 79.1 in
Service Refill Capacities
Diesel Exhaust Fluid (DEF) Tank 4.9 gal (US)
Cooling System 5.92 gal (US)
Crankcase - With Filter 2.91 gal (US)
Final Drive - Each - LGP 2.6 gal (US)
Final Drive - Each - XL 2.6 gal (US)
Fuel Tank 51.5 gal (US)
Transmission - Hydraulic Tank 15.7 gal (US)
Undercarriage
Number of Rollers - Each Side 7
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage 43
Number of Shoes - Each Side - SystemOne Undercarriage 38
Ground Contact Area - LGP 4425 in²
Ground Contact Area - XL 3206 in²
Ground Pressure - LGP 4.2 psi
Ground Pressure - XL 5.6 psi
Length - Track on Ground - LGP 89 in
Length - Track on Ground - XL 89 in
Shoe Width - LGP 25 in
Shoe Width - XL 18 in
Track Gauge - LGP 68 in
Track Gauge - XL 61 in

Grade with ease and accuracy

The D4K2 Dozer offers numerous grade control features to enable operators to grade with increased accuracy. Features such as Cat® GRADE with 3D, Cat GRADE with Slope Assist, AccuGrade and Slope Indicate allows for a smooth finish grade for both new and experienced operators every time.

Choices for any Application

The family of Small Dozers offers a choice of both track frames and undercarriages.

Track frames are available in two configurations:

• XL undercarriage - where flotation and side stability are not extreme
• LGP undercarriage - for soft underfoot conditions where additional flotation is required

Undercarriages are available in two configurations:

• Sealed and Lubricated Track (SALT) Undercarriage
– Track is not bushing limited
– May require pin and bushing turn

• SystemOne™ Undercarriage
– Track is bushing limited
– Bushing rotates continuously
– Does not require bushing turn
– Designed to maximize the life of all undercarriage components

All Day Comfort

The spacious, comfortable cab helps keep you relaxed and productive throughout the day.
• Quiet environment
• Wide door openings for easy entry/exit
• Dash mounted air vents for improved air circulation
• Air suspension seat for a more comfortable ride
• Air conditioning for greater comfort in all climates
• New ventilated seat (optional)
• Heated seat and heated control handles (optional)

Easy Serviceability Access

Long service intervals and easy maintenance keep the machine up and running to lower your owning and operating costs.
• Large, hinged door on the left side of the engine compartment for easy access to all regular engine maintenance points
• Grouped pressure taps for quick testing and troubleshooting of the hydraulic system
• Easy ground level access to hydraulic filters located in the left rear service compartment

Standard Equipment:

  • Electrical
    • Alternator, 12 volt, 120 Amp, heavy duty brushless
    • Alarm, backup
    • Batteries (2), heavy duty, maintenance free, 1,500 CCA
    • Diagnostic connector
    • Horn, electric
    • Lights, halogen, 2 front and 2 rear
    • Starter, electric, 12 volt
  • Operator Station
    • ROPS/FOPS canopy
    • Seat, air suspended, cloth or vinyl
    • Seatbelt, retractable 76 mm (3 in)
    • Foot pads, dash
    • Electronic Monitoring System with:
      – Gauges for engine coolant temperature, hydraulic oil temperature and fuel level
      – Travel speed limiter, electronic
      – Engine RPM and gear display
      – Hour meter, electric
      – Engine air cleaner service indicator, electronic
      – Water-in-fuel indicator, electronic
    • Slope Indicate
    • Throttle switch, rotary
    • Eco mode
    • Controls, seat mounted, fore/aft adjustment
    • Armrests, adjustable
    • Mirror, rearview, inside
    • Single pedal combining deceleration and braking functions
    • Independent forward/reverse speed settings
    • Power port, 12 volt
    • Coat hook
    • Storage compartment
    • Cup holder
    • Floor mat, rubber, heavy duty
  • Hydraulics
    • Hydraulics, 3 valve
    • Load sensing hydraulics
    • Single lever, three function control
    • Hydraulic pump and oil
    • Stable blade control
  • Power Train
    • Cat C4.4 diesel engine, turbocharged, U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final) certified with aftertreatment
    • Aftercooler, Air-to-Air (ATAAC)
    • Aluminum bar plate cooling system (radiator, power train)
    • Air cleaner with precleaner, automatic dust ejection and under-hood intake
    • Dual path, closed-loop hydrostatic transmission
    • Electric fuel priming pump
    • Fuel/water separator
    • Automatic Traction Control
  • Undercarriage
    • SALT Undercarriage
    • 7 roller track frame
    • Track rollers, lifetime lubricated
    • Carrier rollers
    • Track adjusters, hydraulic
    • Guards, front/rear guiding
    • Master link
  • Other Standard Equipment
    • Cat Product Link PLE732 Satellite/PLE742 Cellular
    • C-Frame, VPAT, hydraulic cylinders and lines
    • Lockable engine enclosures
    • Front pull device
    • Rigid drawbar
    • Ecology drains (engine, power train and implement oil and engine coolant)
    • Scheduled oil sampling ports (engine, power train implement oil)
    • Vandalism protection
    • Heavy duty crankcase guard
  • Antifreeze
    • Extended life coolant, –37° C (–35° F)

Optional Equipment:

  • Electrical
    • Integrated four front halogen lights, two rear halogen lights
  • Power Train
    • Drive, auxiliary
    • Installation, winch
  • Undercarriage
    • Track Pairs, XL:
      – Track, 460 mm (18 in) MS SystemOne
    • Track Pairs, LGP:
      – Track, 635 mm (25 in) MS SystemOne
  • Operator Station
    • Cab with air conditioning*
    • Cab, polycarbonate windows and air conditioning*
    • 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
    • Radio, AM/FM, Bluetooth
    • Sound suppression
    • *Air Conditioning System: The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.288 metric tonnes.
  • Hydraulics
    • Hydraulics, 4 valve for use with ripper
    • Hydraulics, 4 valve for use with winch
  • Guards
    • Guard, rear, heavy duty
    • Grill, radiator, heavy duty
    • Guard, track guiding, center
    • Guard, track roller, full length
    • Screen, rear, cab
    • Screen, side, cab
    • Screen, rear, canopy
    • Screen, front and doors, canopy
    • Sweeps, front
    • Sweeps, rear
  • Blades
    • VPAT XL blade
    • VPAT LGP blade
    • VPAT Intermediate blade
  • Rear Attachments
    • Drawbar, towing
    • Mounting, winch
    • Ripper, parallelogram, includes three shanks and teeth
  • Rear Attachment Control
    • Control, ripper
    • Control, winch
    • Control, ripper and winch
  • Machine Control And Guidance
    • Cat GRADE with 3D
    • Cat GRADE with Slope Assist
    • Power Pitch blade control
  • Starting Aids
    • Heater, engine, coolant, 120 volt
    • Starting aid, ether
  • Other Attachments
    • Machine Security System
  • Antifreeze
    • Extended life coolant, –50° C (–58° F)
  • Field Installed Attachment
    • Winch, hydraulic, high performance, 40 m/min (131 ft/min) line speed
    • Winch, hydraulic retrieval, 15 m/min (50 ft/min) line speed
For our customers, we remain open to serve you; however, we are temporarily limiting access at all locations to employees only. 
For parts customers, we will be providing a curbside pickup option at many of our facilities. We encourage you to call your local NMC location or use our online services to order parts or schedule service.
 While these are challenging times, we’ll continue to make the decisions that best support you and our team. Please visit this page for more information.
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