Experience the most intuitive finish grading tractor in the industry. The Cat® D3K2 Track-Type Tractor with Stable Blade delivers a smooth finish grade with less operator effort. Stable Blade senses ground conditions and works with the operator to produce the desired grade. The addition of the integrated AccuGrade™ grade control system helps you get to target grade even faster, with fewer passes and less manpower. From the first cut to finish grade, the D3K2 sets the standard.

Engine Model Cat C4.4 ACERT™
Power - Net 80.0 hp
Displacement 269.0 in3
ISO 9249 80.0 hp
EEC 80/1269 80.0 hp
SAE J1349 80.0 hp
Bore 4.13 in
Stroke 5.0 in

Operating Weight - XL 17544.0 lb
Operating Weight - LGP 18525.0 lb

Drive Pumps 2
Track motors 2
Relief valve settings 6918.0 psi
Maximum travel speed - forward 5.6 mph
Maximum travel speed - reverse 6.2 mph

Service Refill Capacities
Fuel tank 51.5 gal
Crankcase and filter 2.91 gal
Final drives, XL (each side) 2.6 gal
Final drives, LGP (each side) 2.6 gal
Cooling system 5.92 gal
Transmission/hydraulic tank 15.7 gal

Hydraulic Controls
Pump Output 19.4 gal/min
Relief valve setting 2988.0 psi

ROPS SAE J397-OCT95, SAE J1040-MAY94, ISO 3471-94, ISO 3164-95
FOPS SAE J231-JAN81, ISO 3449-92

Weight 1345.0 lb
Winch Drive Hydrostatic
Control Hydraulic
Speed Variable
Winch length 27.76 in
Overall width 29.2 in
Drum diameter 10.0 in
Drum width 10.8 in
Throat clearance 6.75 in
Rope diameter - recommended 0.63 in
Rope diameter - optional 0.75 in
Drum capacity - recommended cable 371.0 ft
Drum capacity - optional cable 256.0 ft
Maximum line pull - bare drum 40000.0 lb
Maximum line pull - full drum 25000.0 lb
Maximum line speed - bare drum 131.0 ft/min
Maximum line speed - full drum 207.0 ft/min

Type Parallelogram
Number of Shanks 3
Maximum digging depth 13.3 in
Maximum reach at ground line 30.2 in
Maximum ground clearance under tip 17.6 in
Overall width 67.3 in
Height 6.5 in
Weight 1222.0 lb

Shoe width - XL 16.0 in
Shoe width - LGP 25.0 in
Length of track on ground - XL 89.0 in
Length of track on ground - LGP 89.0 in
Track gauge - XL 59.0 in
Track gauge - LGP 68.0 in
Ground contact area - XL 2829.0 in2
Ground contact area - LGP 4425.0 in2
Ground pressure - XL 6.2 psi
Ground pressure - LGP 4.2 psi
Ground contact area - LGP with 770 mm (30 in) shoes 5340.0 in2
Ground pressure - LGP with 770 mm (30 in) shoes 3.6 psi
Track gauge - LGP with 770 mm (30 in) shoes 73.0 in

Blade width - Intermediate 115.0 in
Blade width - XL 104.2 in
Blade width - LGP 124.0 in
Blade height - Intermediate 33.9 in
Blade height - XL 35.8 in
Blade height - LGP 33.8 in
Blade capacity - Intermediate 1.96 yd3
Blade capacity - XL 1.99 yd3
Blade capacity - LGP 2.17 yd3
Digging depth - Intermediate 22.5 in
Digging depth - XL 22.5 in
Digging depth - LGP 22.5 in

Operator Station
Everyone can get comfortable in this cab.

Operator Station

Seat-Mounted Joystick Controls
Ergonomically designed, seat-mounted controls isolate vibrations from the operator for optimum comfort and precise control.
  • New contoured armrest cushion
  • Bi-directional transmission shifting
  • Easy to grip handles
  • New heated control handles (optional)

Stable Blade Control
New Stable Blade control makes operating the machine easy for both new and experienced operators.
  • Stable Blade complements operator input for smooth finish grading results
  • Handle fits to hand to allow for more precise control and reduce operator fatigue
  • Thumb roller for low effort blade angle control
  • Blade shake feature for easy removal of material

All Day Comfort
The spacious, comfortable cab helps keep you relaxed and productive throughout the day.
  • Quiet environment - 78 dB(A) - ANSI/SAE J1166 OCT98
  • 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)

Monitoring Package
Easy to read display provides vital system information. Easy to read gauges keep you informed of system conditions. Larger AccuGrade™ CB460 GPS display is available as an option and is mounted in line with blade corners for easy viewing.

Outstanding Visibility
Large door windows provide an unobstructed view to the blade corners and cutting edge which is especially important in fine grading, curbing and working against foundations. Large side windows offer a clear view to the sides of the machine.

Hydrostatic Transmission
Responsive to changing loads.

Hydrostatic Transmission

Traction Control
Increase your productivity with the new Traction Control feature:
  • Reduces track slippage
  • Activated with a button on the transmission control
  • Reduces undercarriage wear
  • Improves fuel economy

Quick response to varying loads for shorter cycle times and less operator fatigue.

  • Intuitive control helps you work in tight areas
  • Power turn feature provides power to both tracks while working in confined areas
  • Counter-rotation provides quick steering corrections during side loading applications

Increased horsepower, improved fuel economy.


Cat C4.4 Engine
The C4.4 engine responds quickly to changing loads. Eco mode throttle setting can deliver up to 25% improved fuel economy. Engine meets U.S. EPA Tier 4 Interim, EU Stage IIIB and Japan MLIT Step 4 emission standards using a passive regeneration solution:
  • Simple…no operator interaction required
  • Long life diesel particulate filter (no service required for 8,000 hours)

Solutions to lower your costs per hour.


Choice of Undercarriage Configurations to Meet Your Application
Track frames are available in extra long (XL) or low ground pressure (LGP) configurations:
  • XL undercarriage for most applications where flotation and side stability are not extreme
  • LGP undercarriage for soft underfoot conditions where additional flotation is required
  • 762 mm (30 in) LGP undercarriage available for extremely soft underfoot conditions

Track Selections
Caterpillar offers a choice of two undercarriages - Sealed and Lubricated Track (SALT) and SystemOne™. Matching the correct undercarriage to the application and soil conditions will deliver the lowest costs per hour.
  • Sealed and Lubricated Track (SALT) Undercarriage - For applications where the track is not bushing limited - May require pin and bushing turn
  • SystemOne™ Undercarriage
- For applications where track is bushing limited - Bushing rotates continuously - Does not require bushing turn - Designed to maximize the life of all undercarriage components

AccuGrade™ Systems
Grade with increased accuracy.

AccuGrade™ Systems

Improve Your Efficiency with AccuGrade
AccuGrade is a fast machine grade control system which enables operators to cut and fill to grade with increased accuracy, minimizing the need for traditional stakes and grade checkers. Caterpillar offers a choice of Laser, GNSS or Universal Total Station solutions:
  • AccuGrade Laser - for two dimensional flat type work
  • AccuGrade GNSS - for three dimensional cut to contour work
  • Universal Total Station - for fine and finish grade applications

New Larger Displays
Easy to read, large displays let you focus on your work:
  • CB450 Laser Display - Larger 109 mm (4.3 in) color display
  • CB 460 GNSS Display
- Larger 178 mm (7 in) color display - USB data port - 3.7 gig internal disk space

Blade and Attachments
Power pitch blade for maximum productivity.

Blade and Attachments

Power Pitch Blade
The power pitch blade feature lets the operator adjust the blade pitch to meet various operating conditions without ever leaving the cab.
  • Pitch the blade forward for increased penetration
  • Lay the blade back for maximum carrying capacity
  • Change the pitch from inside the cab
  • Optimize blade pitch for application
  • Improves productivity

VPAT Blade
The VPAT blade is specifically designed for finish grading, backfilling ditches, cutting V ditches, windrowing, fill spreading, medium land clearing and heavy dozing. Built for rugged strength and durability this 6-way blade allows for maximum angle, tilt and pitch.

Hydrostatic Winch
The Cat hydrostatic winch features:
  • Excellent line pull at any speed
  • Infinitely variable drum speed
  • Lower operator effort
  • Unmatched load control

Parallelogram Ripper
The aggressive parallelogram ripper lets you do more productive ripper work. The parallel linkage design provides better penetration and maneuverability in tight working areas.

Forestry Options
An easier way to work in the woods. The following features are available for forestry applications:
  • Cat hydrostatic winch
  • 360 degree guarding, for added protection of the cab
  • Heavy-duty rear tank guard

Serviceability and Customer Support
Easy service and unmatched support keep you working.

Serviceability and Customer Support

Easy 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

Product Link
The optional Product Link system simplifies equipment fleet tracking. Using satellite or cellular technology, the system automatically reports information such as location, machine hours, active and logged service codes and security alarms.

Renowned Cat Dealer Support
From helping you choose the right machine to knowledgeable ongoing support, Cat dealers provide the best in sales and service.
  • Preventive maintenance programs and guaranteed maintenance contracts
  • Best-in-class parts availability
  • Operator training to help boost your profits
  • Genuine Cat Remanufactured parts
  • SITECH® dealer support for grade control solutions

Standard Equipment

  • Alternator, 12 volt, 120 Amp, heavy duty
  • Alarm, backup
  • Batteries, two, heavy duty, maintenance free, 750 CCA
  • Diagnostic connector
  • Horn, electric
  • Lights, halogen, 2 front and 2 rear
  • Starter, electric, 12 volt
  • ROPS/FOPS canopy
  • Seat, air suspension, 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
  • 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, 3 valve
  • Load sensing hydraulics
  • Single lever, three function control
  • Hydraulic pump and oil
  • Stable blade control
  • Cat C4.4 ACERT™ diesel engine, turbocharged, U.S. EPA Tier 4 Interim and EU Stage IIIB 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
  • Traction control
  • SALT Undercarriage
  • 6 roller track frame
  • Track rollers, lifetime lubricated
  • Carrier rollers
  • Track adjusters, hydraulic
  • Guards, front/rear guiding
  • Master link
  • 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
  • Extended life coolant, -37° C (-35° F)

Optional Equipment

  • Integrated four front halogen lights, two rear halogen lights
  • Drive, auxiliary
  • Installation, winch
  • TRACK PAIRS, XL • Track, 406 mm (16") MS SystemOne™
  • TRACK PAIRS, LGP • Track, 635 mm (25") MS SystemOne™ • Track, 762 mm (30") MS SystemOne™
  • Cab with air conditioning
  • Cab, polycarbonate windows and air conditioning
  • Seat, cloth, 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, CD player
  • Sound suppression
  • Hydraulics, 4 valve for use with ripper
  • Hydraulics, 4 valve for use with winch
  • 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
  • VPAT XL blade
  • VPAT LGP blade
  • VPAT Intermediate blade
  • Drawbar, towing
  • Mounting, winch
  • Ripper, parallelogram, includes three shanks and teeth
  • Control, ripper
  • Control, winch
  • Control, ripper and winch
  • Installation, AccuGrade ready
  • Power Pitch blade control
  • Heater, engine, coolant, 120V
  • Starting aid, ether
  • Machine Security System
  • Cat Product Link 321
  • Cat Product Link 121
  • Cat Product Link 522
  • Extended life coolant, -50° C (-58° F)
  • Winch, hydrostatic



Cat 246
my cat 246 was running fine when we parked it . the next day turned the key on, had buzzer, glow plu...  [More]

CAT 307C 2004 Hydraulic Drawings
I've got an older colleague with a 307C 2004-model excavator. He came to me asking if it's possible...  [More]

Over Excitation Shutdown Problem For 3512 Diesel Generator
please give any advice to me.. i have using caterpillar 3512 generator from last 4 months in my...  [More]

Fuel Lines
I need help I have a D4D dozer 1974 year model and the s/n 82j3434 . I bought it ran great went back...  [More]
Feel free to ask a question or share a comment about the information on this page.

To help us answer your question or respond to your comment, please enter your email address.