D6K2 (Tier 4 Interim/Stage IIIB)


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Experience the most intuitive finish grading tractor with the new Cat® D6K2. Redesigned to help you meet your goals, it improves your fuel efficiency and productivity. It is an excellent platform for the integrated AccuGrade grade control system, which will help you get to target grade faster, with fewer passes and less manpower. Stable Blade Control senses ground conditions and works with the operator to produce the desired grade, allowing better finish grading results at higher speed, with less effort. The new undercarriage design improves stability to further enhance finish grading performance. The D6K2 helps you get more done with less fuel. Choose the D6K2 for best-in-class productivity with the lowest owning and operating costs in his size class. Sharper, from the first cut to finish grade, the D6K2 sets the standard.


Engine Model Cat® C6.6 ACERT™ Cat® C6.6 ACERT™ Less
Flywheel Power 130.0 hp 97.0 kW Less
Net Power - ISO 9249 130.0 hp 97.0 kW Less
Net Power - SAE J1349 128.0 hp 95.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 4.99 in 127.0 mm Less
Displacement 402.75 in3 6.6 L Less
Emissions U.S. EPA Tier 4 Interim/EU Stage IIIB/Japan MLIT Step 4 U.S. EPA Tier 4 Interim/EU Stage IIIB/Japan MLIT Step 4 Less
Engine Power - ISO 14396 155.0 hp 116.0 kW Less
Engine Power - ISO 14396 (DIN) 157.0 hp 116.0 kW Less
Gross Power - SAE J1995 158.0 hp 118.0 kW Less
Net Power - EU 80/1269/EEC 130.0 hp 97.0 kW Less
Net Power - ISO 9249 (DIN) 132.0 hp 97.0 kW Less

Service Refill Capacities

Fuel Tank 77.9 gal 295.0 L Less
Cooling System 8.58 gal 32.5 L Less
Engine Crankcase 4.35 gal 16.5 L Less
Hydraulic Tank 15.3 gal 58.0 L Less
Final Drives (each LGP) 6.0 gal 23.0 L Less
Final Drives (each XL) 4.0 gal 15.0 L Less


Operating Weight 29346.0 lb 13311.0 kg Less
Weight - LGP 30144.0 lb 13673.0 kg Less
Weight - XL 28740.0 lb 13036.0 kg Less
Operating Weight - XL 29346.0 lb 13311.0 kg Less
Shipping Weight - XL 28949.0 lb 13131.0 kg Less
Operating Weight - LGP 30750.0 lb 13948.0 kg Less
Shipping Weight - LGP 30353.0 lb 13768.0 kg Less


Width of Shoe - XL 22.0 in 560.0 mm Less
Width of Shoe - LGP 30.0 in 760.0 mm Less
Shoes/Side - XL 40 40 Less
Shoes/Side - LGP 40 40 Less
Grouser Height 1.9 in 48.0 mm Less
Track Gauge - XL 70.0 in 1770.0 mm Less
Track Gauge - LGP 79.0 in 2000.0 mm Less
Track on Ground - XL 104.0 in 2645.0 mm Less
Track on Ground - LGP 104.0 in 2645.0 mm Less
Ground Contact Area - XL 4650.0 in2 3.0 m2 Less
Ground Contact Area - LGP 6200.0 in2 4.0 m2 Less
Track Rollers/Side - XL 8 8 Less
Track Rollers/Side - LGP 8 8 Less
Ground Pressure - LGP (ISO 16754) 4.45 psi 30.7 kPa Less
Ground Pressure - XL (ISO 16754) 5.77 psi 39.8 kPa Less


Blade Type VPAT, VPAT Foldable* VPAT, VPAT Foldable* Less
LGP, VPAT - Blade Width over End Bits 12.0 ft 3682.0 mm Less
XL, VPAT - Blade Width over End Bits 10.5 ft 3196.0 mm Less
XL, VPAT - Blade Capacity 4.01 yd3 3.07 m3 Less
LGP, VPAT - Blade Capacity 4.38 yd3 3.35 m3 Less


Each Additional Shank 75.0 lb 34.0 kg Less
Maximum Penetration Force - LGP 10138.0 lb 45.1 kN Less
Maximum Penetration Force - XL 9480.0 lb 42.2 kN Less
Maximum Penetration - XL & LGP 14.2 in 360.0 mm Less
Maximum Pry-out Force - LGP 37480.0 lb 166.7 kN Less
Maximum Pry-out Force - XL 37480.0 lb 166.7 kN Less
Pocket Spacing 35.3 in 896.0 mm Less
Shank Gauge 70.6 in 1792.0 mm Less
Shank Section 58.5 × 138 mm (2.3 × 5.4 in) 58.5 × 138 mm (2.3 × 5.4 in) Less
Weight - With One Shank 1863.0 lb 845.0 kg Less
Type Fixed Parallelogram Fixed Parallelogram Less
Number of Pockets 3 3 Less
Overall Beam Width 76.8 in 1951.0 mm Less
Beam Cross Section 165 × 211 mm (6.5 × 8.3 in) 165 × 211 mm (6.5 × 8.3 in) Less


Cable Ferrule Size (Length) 2.63 in 67.0 mm Less
Cable Ferrule Size (O.D.) 2.13 in 54.0 mm Less
Drum Capacity (Optional Rope) 220.0 in 67.0 mm Less
Drum Capacity (Recommended Rope) 306.0 in 93.0 m Less
Maximum Bare Drum - Line Pull 50000.0 lb 222.4 kN Less
Maximum Bare Drum - Line Speed 124.0 ft/min 38.0 m/min Less
Maximum Full Drum - Line Pull 26000.0 lb 115.7 kN Less
Maximum Full Drum - Line Speed 230.0 ft/min 70.0 m/min Less
Optional Cable Size 0.87 in 22.0 mm Less
Rope Diameter (recommended) 0.75 in 19.0 mm Less
Winch Drive Hydrostatic Hydrostatic Less
Winch Model PA50 PA50 Less
Weight* 2000.0 lb 907.0 kg Less
Winch and Bracket Length 33.2 in 845.0 mm Less
Winch Case - Width 35.6 in 905.0 mm Less
Drum Diameter 8.0 in 205.0 mm Less
Drum Width 11.0 in 274.0 mm Less
Flange Diameter 18.0 in 457.0 mm Less


ROPS/FOPS Standards Standards Less
Cab Standards Standards Less
Brakes Standards Standards Less

Transmission - Travel Speed

Forward 0-10 km/h (0-6.2 mph) 0-10 km/h (0-6.2 mph) Less
Reverse 0-10 km/h (0-6.2 mph) 0-10 km/h (0-6.2 mph) Less
Transmission Type Hydrostatic Hydrostatic Less


Engine Emissions Fully complies with U.S. EPA Tier 4 Interim/EU Stage IIIB/Japan MLIT Step 4 emission standards Fully complies with U.S. EPA Tier 4 Interim/EU Stage IIIB/Japan MLIT Step 4 emission standards Less
Sound Levels - Average Exterior Sound Pressure Level 79 dB(A) (SAE J88:2006) 79 dB(A) (SAE J88:2006) Less
Sound Levels - Dynamic Operator Sound Pressure Level (LpA)* 78 dB(A) (ISO 6396:2008) 78 dB(A) (ISO 6396:2008) Less
Sound Levels - Maximum Sound Power Level 109 dB(A) (2000/14/EC) 109 dB(A) (2000/14/EC) Less
Vibration Levels - Maximum Hand/Arm** 2.5 m/s2 (ISO 5349:2001) 2.5 m/s2 (ISO 5349:2001) Less
Vibration Levels - Maximum Whole Body 0.5 m/s2 (ISO/TR 25398:2006) 0.5 m/s2 (ISO/TR 25398:2006) Less
Vibration Levels - Seat Transmissibility Factor <0.7 ISO 7096:2000 - spectral class EM6 ISO 7096:2000 - spectral class EM6 Less


Thinking generations ahead


Make sure you’re safe

Operator Station

Makes operation easy, comfortable and productive

Ergonomic Controls

Work longer with less effort

Stable Blade Control…

…assists you in finish grading applications.

Power Train

Smooth and responsive to changing loads

Fuel Economy

Eco Modes


Solutions to lower your costs per hour

Work Tools

Move more with productive and durable blades

Integrated Technologies

Get to grade faster with fewer passes than ever before

Rear Attachments and Options

Increase your versatility

Value Packages…


Durable and efficient

Engine and Emissions Technology

Improved fuel economy


Power and reliability


When uptime counts

D6K2 (Tier 4 Interim/Stage IIIB) Standard Equipment

  • ROPS/FOPS cab, pressurized, with sliding side windows
  • Air conditioning
  • Seat, air suspension, cloth: - Adjustable armrests
  • 76 mm (3 in) retractable seat belt
  • Adjustable seat-mounted, electro-hydraulic controls with fore/aft adjustment
  • Footrests, dash-mounted
  • Electric monitoring system including: - Gauges: engine coolant temperature, hydraulic oil temperature and fuel level - Indicators: including electronic engine air cleaner service indicator, electronic water-in-fuel indicator, and regeneration indicator - Digital display: electronic engine rpm, gear display, hour meter
  • Rotary throttle switch
  • Eco Modes throttle switch
  • Stable blade switch
  • Electronic travel speed limiter
  • Independent forward/reverse speed settings
  • Single pedal combining deceleration and braking functions
  • Rearview mirrors
  • Auxiliary mirror for rear attachment
  • 12V radio ready
  • One 12V power port
  • Coat hook
  • Storage compartment
  • Cup holder
  • Heavy duty rubber floor mat
  • Windshield washers and wipers front and rear
  • Intermittent wipers (doors)

  • Undercarriage arrangements: - SystemOne undercarriage including: • Sprocketed relieved tread idler, lifetime lubricated • Eight bottom track rollers • Two carrier rollers • Idlers, lifetime lubricated • Tracks, 40 sections: - XL configuration, 560 mm (22 in) - LGP configuration, 760 mm (30 in) • Adjustable idler height position • Hydraulic track adjusters
  • Roller frame: - 8/2 SystemOne (eight bottom rollers, two carrier rollers)
  • Track pairs, XL: - Tracks, 560 mm (22 in) MS XL, SystemOne
  • Track pairs, LGP: - Tracks, 760 mm (30 in) MS LGP, SystemOne

  • Cat C6.6 ACERT diesel engine, turbocharged, meets U.S. EPA/ARB Tier 4 Interim, EU Stage IIIB and Japan MLIT (Step 4) emission standards
  • Aluminum bar plate cooling system (radiator, hydraulic oil cooler, aftercooler)
  • Hydraulic demand fan
  • Air cleaner with precleaner, automatic dust ejection and under-hood intake
  • Electric fuel priming pump
  • Integrated fuel/water separator
  • Tank fuel, standard
  • Dual path, electronic control, closed-loop hydrostatic transmission
  • Glowplugs starting aid

  • Horn, electric
  • Backup alarm
  • Converter 12V, 10-Amp
  • Diagnostic connector
  • Batteries, heavy duty, high output, maintenance free, 900 CCA
  • Integrated four front halogen lights (roof mounted)
  • Integrated two rear halogen lights (A/C unit mounted)
  • Alternator, 24V, 115-Amp, heavy duty brush type
  • Starter, 24V, electric

  • Drawbar, rigid

  • Cat Product Link, PL522* GSM Cellular networks
  • * Product Link licensing not available in all areas.

  • 3 valves, electro-hydraulics
  • Load sensing hydraulics/pump
  • Single lever with three functions control
  • Hydraulic oil, standard

  • C-frame with variable pitch link, hydraulic cylinder and lines
  • Fuel tank, standard
  • Hinged crankcase guards
  • Lockable engine enclosures
  • Idler guards
  • Hinged radiator grill, with bolts
  • Front pull device
  • Swing-out radiator fan
  • Scheduled Oil Sampling ports, S·O·SSM (engine, power train, hydraulics)

  • Guard, fuel tank
  • Guard, crankcase
  • Grill radiator

  • Extended life coolant, -37° C (-35° F)

  • Cat HYDO™ Advanced 10

D6K2 (Tier 4 Interim/Stage IIIB) Optional Equipment

  • Oil change system, high speed
  • Hydraulic demand fan, reversing

  • Undercarriage arrangement: - Heavy duty undercarriage
  • Roller frames: - 8/2 heavy duty (eight bottom rollers, two carrier rollers) - 7/1 heavy duty (seven bottom rollers, one carrier roller)*
  • Track pairs, XL: - Tracks, 510 mm (20 in), MS XL, SystemOne - Tracks, 510 mm (20 in), ES XL, SystemOne - Tracks, 560 mm (22 in), ES XL, SystemOne - Tracks, 510 mm (20 in) ES, XL, heavy duty - Tracks, 560 mm (22 in) ES XL, heavy duty
  • Track pairs, LGP: - Tracks, 760 mm (30 in) ES LGP, SystemOne - Tracks, 760 mm (30 in) ES LGP, heavy duty - Tracks, 760 mm (30 in), ES self-cleaning, LGP, heavy duty
  • Track guiding guards: - Guard, track guiding, center - Guard, track guiding, front and rear - Guard, track guiding, full length
  • * For Europe, Africa and Middle East only. Not compatible with Stable Blade Control.

  • Heavy duty cab with polycarbonate windshield and door windows
  • Heated air suspension seat
  • Heated and ventilated air suspension seat

  • Hydraulic oil, biodegradeable
  • Hydraulic, four valves

  • Cab protection package, sweeps and rear screen
  • Cab protection package, heavy duty, with sweeps, screens (rear and sides) and lighting guards
  • Cab rear screen
  • Guard, lift cylinder
  • Heavy duty radiator grill
  • Heavy duty protection with heavy duty fuel tank guard, crankcase guard and radiator grill

  • VPAT XL blade, ARO
  • VPAT LGP blade, ARO
  • VPAT XL blade, ARO foldable
  • VPAT LGP blade, ARO foldable

  • Ripper, parallelogram, multi-shank, with three straight teeth
  • Ripper, parallelogram, multi-shank, with three curved teeth
  • Winch preparation

  • Control ripper ready package
  • Control winch ready package
  • Control winch and ripper ready package

  • Machine Security System (MSS)
  • Cat Product Link, PL321, satellite networks

  • Installation, AccuGrade Ready Option (ARO)

  • Cold weather package, 120V
  • Cold weather package, 240V
  • Electrical insulated breather with heated filter and insulated hoses

  • Cooling system antifreeze protection -50° C (-58° F)

  • Rotating beacon

  • Radios: - Radio, 12V, AM/FM - Radio, 12V, AM/FM CD player - Radio, 12V, AM/FM CD player (XM satellite radio antenna)** - Radio, 12V, AM/FM CD player (Sirius satellite radio antenna)**
  • Winch: - PA50 hydrostatic winch, variable speed - Winch step
  • Fairleads: - Fairlead, three rollers - Conversion kit, fourth roller
  • ** Available through Parts Distribution for U.S.A. and Canada only.

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