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The new D6K2 dozer is smarter and more efficient than ever. It comes equipped with standard Grade technologies like Slope Assist to make it easier for even less experienced operators to get more quality work done in less time. But intelligence is only part of the package – Eco Modes and a new power train deliver up to 17 percent more fuel efficiency, while providing superior maneuverability, faster steering response and greater capability to utilize full blade loads. This dozer also retains its optimal balance and undercarriage design for outstanding performance in finish grading applications. The D6K2 meets Tier 4 Final/Stage IV/Korea Tier 4 emission standards.

Cat Specs


Operating Weight
29258 lb
Note (2)
Shipping weights: includes EROPS, A/C, lights, VPAT Dozer, transmission, drawbar, engine enclosure, 3-valve hydraulics, 10% fuel, Cat Comfort Series air suspension seat.
Shipping Weight - LGP
30058 lb
Operating Weight - LGP
30664 lb
Shipping Weight - XL
28651 lb
Operating Weight - XL
29258 lb
Note (1)
Operating weights: includes EROPS, A/C, lights, VPAT Dozer, transmission, drawbar, engine enclosure, 3-valve hydraulics, 100% fuel, Cat Comfort Series air suspension seat and operator.


4.13 in
4.99 in
268.5 in³
Note (1)
All non road Tier 4 Interim and Final, Stage IIIB and IV, and Korea Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm EPA/10 ppm EU (mg/kg) sulfur o
Note (2)
Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241.
Note (3)
Engine ratings at 2,200 rpm
Note (4)
Net power advertised is the power available at the engine flywheel when the engine is equipped with the air cleaner, alternator, A/C compressor at full load and cooling fan at maximum speed.
Engine Power - Maximum - ISO 14396
157 HP
Flywheel Power
130 HP
Note (5)
No engine derating required up to 3000 m (9,840 ft) altitude; beyond 3000 m (9,840 ft) automatic derating occurs.
Net Power (Rated) - ISO 9249
130 HP
Net Power (Rated) - ISO 9249 (DIN)
132 HP
Engine Power - Maximum - ISO 14396 (DIN)
159 HP
Net Power (Rated) - SAE J1349
128 HP
U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4
Engine Model
Cat® C4.4 ACERT™ with twin turbo
Engine Power - Maximum - SAE J1995
160 HP


Brakes meet the standard ISO 10265:2008.
FOPS (Falling Object Protective Structure) meets ISO 3449-2005 Level II.
ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008.

Service Refill Capacities

Cooling System
7.9 gal (US)
Fuel Tank
69 gal (US)
Final Drive - Each - XL/LGP
4.9 gal (US)
Engine Crankcase
2.9 gal (US)
DEF Tank
5 gal (US)
Hydraulic Tank
16.9 gal (US)


Blade Capacity - LGP, VPAT
4.98 yd³
Blade Width - Over End Bits - XL, VPAT
10.5 ft
Blade Capacity - XL, VPAT
4.26 yd³
*VPAT foldable blades have the same capacity and width as the XL/LGP VPAT blades.
Blade Type
VPAT, VPAT Foldable*
Blade Width - Over End Bits - LGP, VPAT
12 ft


Maximum Penetration Force - XL
9480 lb
Pocket Spacing
35.3 in
Maximum Penetration - XL and LGP
14.2 in
Type Fixed
Maximum Pry-out Force - LGP
37480 lb
Shank Gauge
70.6 in
Maximum Penetration Force - LGP
10138 lb
Weight - With One Shank
1863 lb
Maximum Pry-out Force - XL
37480 lb
Each Additional Shank
75 lb
Shank Section
58.5 × 138 mm (2.3 × 5.4 in)
Number of Pockets
Overall Beam Width
76.8 in
Beam Cross Section
165 × 211 mm (6.5 × 8.3 in)


Maximum Bare Drum - Line Speed
124 ft/min
Cable Ferrule Size - Length
2.63 in
Optional Cable Size
0.87 in
Drum Capacity - Recommended Rope
306 ft
Winch Drive
Maximum Full Drum - Line Pull
26000 lbf
*Weight includes: pump, operator controls, oil, mounting brackets and spacers.
Cable Ferrule Size - Outside Diameter
2.13 in
Rope Recommended Diameter
0.75 in
Maximum Bare Drum - Line Pull
50000 lbf
Winch Model
Maximum Full Drum - Line Speed
230 ft/min
Drum Capacity - Optional Rope
220 ft
Winch Case - Width
29.1 in
2000 lb
Winch and Bracket Length
33.2 in
Drum Diameter
8 in
Drum Width
11 in
Flange Diameter
18 in

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.3 kg of refrigerant which has a CO2 equiv


Engine Emissions
Fully complies with Tier 4 Final/Stage IV/Korea Tier 4 emission standards
Vibration Levels (3)
The whole body vibration information is available in Pocket Guide HEGQ3339 “Driving Down Vibration.”
Vibration Levels (1)
The hand/arm vibration of this machine is below 2.5 m/s2, for an experienced operator in a dozing application.
Vibration Levels (4)
Operator's seat meets input “spectral class EM6” according to ISO 7096:2000. Seat has a transmissibility factor of “SEAT<0.7.”
Vibration Levels (2)
The whole body vibration information is available in Operation and Maintenance Manual SEBU8257.


Shoes/Side - XL/LGP
Ground Contact Area (ISO 16754) - XL
5070 in²
Track Rollers/Side - XL/LGP
Width - Shoe - XL
22 in
Grouser Height - ES Shoe
2.2 in
Track Gauge - LGP
79 in
Ground Pressure (ISO 16754) - LGP
4.44 psi
Track on Ground - XL/LGP
104 in
Grouser Height - MS Shoe
1.9 in
Ground Contact Area (ISO 16754) - LGP
6912 in²
Track Gauge - XL
70 in
Width - Shoe - LGP
30 in
Ground Pressure (ISO 16754) - XL
5.77 psi

Transmission - Travel Speed

0-10 km/h (0-6.2 mph)
Transmission Type
0-10 km/h (0-6.2 mph)