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D6N Track-Type Tractor

D6N Track-Type Tractor

At a Glance

Engine Model
Cat® C7.1 ACERT™
Flywheel Power
166 HP
Operating Weight
36943 lb
4.1 in
Request a Demo Machine Comparison


The latest in the line of Cat D6N dozers combines well-known versatility with a range of technology features to give you more job site productivity than ever before. A new transmission with lock-up clutch torque converter delivers ease of operation, increased net power, plus a 10-15 percent improvement in fuel efficiency. The D6N has the weight and horsepower you want for dozing applications and the balance and stability you need for finish grading – all in one easy-to-transport machine.


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Engine Model Cat® C7.1 ACERT™
Flywheel Power 166HP
Bore 4.1in
Stroke 5.3in
Displacement 433in³
Engine Power - Maximum - At 2,200 rpm - SAE J1995 182HP
Engine Power - Maximum - At 2,200 rpm - ISO 14396 178HP
Engine Power - Maximum - At 2,200 rpm - ISO 14396 (DIN) 180HP
Net Power - 1,800 rpm - ISO 9249/SAE J1349 166HP
Net Power - 1,800 rpm - ISO 9249/SAE J1349 (DIN) 168HP
Emissions U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4 Final
Note (1) Net power advertised is the power available at the engine flywheel when the engine is equipped with the air cleaner, muffler, alternator, cooling fan at maximum speed.
Note (2) No derating required up to 3000 m (9,840 ft) altitude, beyond 3000 m (9,840 ft) automatic derating occurs.
Note (3) All non-road Tier 4 Interim and Final, Stage IIIB and IV, 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. Biodiesel blends up to B20 (20% blend by
Note (4) 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.


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Operating Weight 36943lb
LGP VPAT - Blade 2720lb
LGP VPAT - Foldable 3287lb
LGP VPAT - Landfill 3166lb
Multi-Shank Ripper - With 3 Shanks 2959lb
XL SU - Blade 5732lb
XL VPAT Blade 2341lb
XL VPAT Foldable 2762lb
XL VPAT Landfill 2912lb
Shipping Weight - XL 36153lb
Operating Weight - XL Waste Handler 40818lb
Operating Weight - LGP Waste Handler 44749lb
Shipping Weight - XL Waste Handler 40029lb
Shipping Weight - LGP Waste Handler 43642lb
Operating Weight - LGP 40446lb
Operating Weight - XL 36943lb
Shipping Weight - LGP 39339lb
Note (1) Operating Weight: Includes EROPS, A/C, lights, VPAT dozer, transmission, drawbar, engine enclosure, 3-valve hydraulics, 100% fuel, and Cat Comfort Series Air Suspension Seat and operator.
Note (2) Shipping Weight: Includes EROPS, A/C, lights, VPAT dozer, transmission, drawbar, engine enclosure, 3-valve hydraulics, 5% fuel, and Cat Comfort Series Air Suspension Seat.
Operating Weight - XL Fine Grading 38162lb
Shipping Weight - XL Fine Grading 37373lb


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1.0 Forward 2.1mile/h
1.5 Forward 2.7mile/h
2.0 Forward 3.6mile/h
2.5 Forward 4.7mile/h
3.0 Forward 6.1mile/h
1.0 Reverse 2.5mile/h
1.5 Reverse 3.4mile/h
2.0 Reverse 4.4mile/h
2.5 Reverse 5.9mile/h
3.0 Reverse 7.6mile/h
0.5 Forward (EU) 1.5mile/h
0.7 Forward (EU) 1.6mile/h
0.5 Reverse (EU) 1.8mile/h
0.7 Reverse (EU) 1.9mile/h
1.0 Reverse (EU) 2.2mile/h
Maximum Drawbar Pull - 1.0 Forward 71939
Maximum Drawbar Pull - 2.0 Forward 44512
Maximum Drawbar Pull - 3.0 Forward 25403
1.7 Reverse 3.7mile/h
2.7 Reverse 6.5mile/h
0.7 Reverse 2.1mile/h
0.5 Forward 1.6mile/h
0.5 Reverse 1.9mile/h
0.7 Forward 1.7mile/h
1.0 Forward (EU) 1.9mile/h
1.7 Forward 3mile/h
2.7 Forward 5.2mile/h

Service Refill Capacities

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Fuel Tank 73.2gal (US)
Cooling System 10.6gal (US)
Engine Crankcase 4.5gal (US)
Power Train 42.3gal (US)
Final Drive - Each 1.8gal (US)
Hydraulic Tank 7.8gal (US)
Roller Frames XL/LGP - Each 20/17.5 L (4.3/4.6 gal)
DEF Tank 5gal (US)


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Capacity - LGP VPAT 5.1yd³
Width - LGP VPAT - Foldable 13.42ft
Capacity - XL SU 5.6yd³
Width - XL SU 10.33ft
Capacity - XL VPAT 4.3yd³
Width - XL VPAT 10.75ft
Capacity - LGP VPAT - Foldable 5.1yd³
Width - LGP VPAT 13.42ft


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Shoes/Side - XL 40
Shoes/Side - LGP 46
Track on Ground - XL 102.6in
Track on Ground - LGP 122.4in
Ground Contact Area* - XL 5518in²
Ground Contact Area* - LGP 8928in²
Track Rollers/Side - XL 7
Track Rollers/Side - LGP 8
Ground Pressure - XL* 6.7psi
Ground Pressure - LGP* 4.5psi
Grouser Height - XL 2.6in
Grouser Height - LGP 2.2in
Shoe Width - XL - Fine Grading 24in
Shoes/Side - XL - Fine Grading 46
Grouser Height - XL - Fine Grading 2.6in
Track Gauge - XL - Fine Grading 74.4in
Track on Ground - XL - Fine Grading 122.4in
Ground Contact Area* - XL - Fine Grading 6479in²
Ground Pressure* - XL - Fine Grading 5.8psi
Track Rollers/Side - XL - Fine Grading 8
Note (1) *ISO 16754
Shoe Width - LGP 33.1in
Shoe Width - XL 24in
Track Gauge - LGP 85in
Track Gauge - XL 74.4in
Note (2) All dimensions with SystemOne undercarriage.

Sustainability - Sound and Vibration Levels

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Note *Values are for an experienced operator in a dozing application, consult the Operating and Maintenance Manual for details.
Sound Levels - Average Exterior Sound Pressure Level - SAE J88:2006 85.5dB(A)
Sound Levels - Maximum Sound Power Level - 2000/14/EC 110dB(A)
Sound Levels - Dynamic Operator Sound Pressure Level (LpA) - ISO 6396:2008 76dB(A)
Vibration Levels - Maximum Hand/Arm* - ISO 5349:2001 2.5 m/s2 (8.2 ft/s2)
Vibration Levels - Maximum Whole Body* - ISO/TR25398:2006 0.5 m/s2 (1.6 ft/s2)
Vibration Levels - Seat Transmissibility Factor - ISO 7096:2000 - Spectral Class EM6 Less Than 0.7


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Each Additional Shank 172lb
Maximum Clearance Raised - Shank Tip 24.5in
Maximum Penetration Force - LGP 9667
Maximum Penetration Force - XL 11600
Maximum Pry-out Force - LGP 38217
Maximum Pry-out Force - XL 47480
Maximum Penetration - XL 20.2in
Maximum Penetration - LGP 15.6in
Pocket Spacing 3.3ft
Shank Gauge 6.6ft
Shank Section 73 mm × 176 mm (2.9 in × 6.9 in)
Weight - With Three Shanks 3444lb
Type Fixed Parallelogram
Number of Pockets 3
Overall Beam Width 86.7in
Beam Cross Section 216 mm × 254 mm (8.5 in × 10.0 in)


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Maximum Bare Drum - Line Pull* 69200lb
Maximum Full Drum - Line Pull* 44410lb
Winch Model PA55
Note (1) *Weight: Includes pump, operator controls, oil, mounting brackets and spacers.
Drum Capacity - 22 mm (0.88 in) 288.75ft
Note (2) Slow and standard speed winches are available.
Cable Ferrule Size - O.D. × Length 54 mm × 67 mm (2.13 in × 2.63 in)
Control Electric
Maximum Bare Drum - Line Speed 141ft/min
Maximum Full Drum - Line Speed 217ft/min
Overall Width 38.4in
Rope Diameter - Recommended 0.875in
Winch Case - Width 38.4in
Winch Drive Mechanical
Weight* 2814lb
Oil Capacity 19.55gal (US)
Winch and Bracket Length 45.1in
Drum Diameter 10in
Drum Width 12.4in
Flange Diameter 19.8in

Hydraulic Controls - Pressures

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Maximum Implement Operating Pressure 3640psi
Maximum Steering Operating Pressure 6556psi

Sound and Vibration - Cab

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Sound Level Information (1) The operator Equivalent Sound Pressure Level (Leq) is 81.5 dB(A) when “ANSI/SAE J1166 FEB2008” is used to measure the value for an enclosed cab. The measurement was conducted at 100% of the maximum engine cooling fan speed. This is a work cycle sound expo
Sound Level Information (2) Hearing protection may be needed when the machine is operated with an open operator station for extended periods or in a noisy environment. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained, or when t
Sound Level Information (3) The average exterior sound pressure level is 85.5 dB(A) when the “SAE J88 FEB2006 – Constant Speed Moving Test” procedure is used to measure the value for the standard machine. The measurement was conducted under the following conditions: distance of 15 m
Specification Name Too Long The declared dynamic operator sound pressure level is 76 dB(A) when “ISO 6396:2008” is used to measure the value for an enclosed cab. The measurement was conducted at 70% of the maximum engine cooling fan speed. The sound level may vary at different engin
Specification Name Too Long If equipped, the certification label – 110 dB(A) – is used to verify the environmental sound certification of the machine to the requirements of the European Union. The value that is listed on the label indicates the guaranteed exterior sound power level


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

Air Conditioning System

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Air Conditioning 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.

Hydraulic Controls - Pump

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Angle Cylinder Flow - VPAT 33.5gal/min
Lift Cylinder Flow 33.5gal/min
Pump Output - Implement 33.5gal/min
Pump Output - Steering 36.2gal/min
Ripper Cylinder Flow 33.5gal/min
Tilt Cylinder Flow 23.8gal/min