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D6N

Medium Dozers

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

Flywheel Power 124 kW

Bore 105 mm

Stroke 135 mm

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D6N

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FEATURES & BENEFITS

Operator Environment

Implement and Steering ControlsMachine direction, forward/reverse shifting and gear selection are all combined into a single tiller control located on the left armrest.St... Read more

Power and Performance

EngineA Cat C7.1 ACERT engine gives you the power and reliability you need. Improved fuel economy over the previous model and efficient use of Diesel Exhaust Fluid (DEF)... Read more

Equipped for the Job

UndercarriageElevated sprocket helps protect major components from harsh impacts and provides a modular design for convenient service.BladesSemi-Universal and Straight bl... Read more

Cat Connect Technologies

LINK TechnologiesLINK technologies provide wireless capability to machines enabling two-way transfer of information collected by on-board sensors, control modules, and ot... Read more

Emissions Technology

Aftertreatment TechnologiesTo meet the additional 80 percent reduction in NOx emissions required by Tier 4 Final/Stage IV emission standards, Caterpillar engineers added... Read more

Serviceability and Customer Support

Ease of ServiceThe D6N is designed to help you get routine service done quickly and efficiently so you can get to work. Read more

Special Arrangements

D6N WH Waste Handler     Specialized guarding, striker bars and seals help protect the machine from impact and airborne debris.    &nbs... Read more

SPECIFICATIONS FOR D6N

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Engine

Engine Model	Cat C7.1
Flywheel Power	124 kW
Bore	105 mm
Stroke	135 mm
Displacement	7.1 l
Emissions	U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4 Final
Engine Power - Maximum - At 2,200 rpm - ISO 14396	133 kW
Net Power - 1,800 rpm - ISO 9249/SAE J1349 (DIN)	124 kW
Engine Power - Maximum - At 2,200 rpm - ISO 14396 (DIN)	133 kW
Net Power - 1,800 rpm - ISO 9249/SAE J1349	124 kW
Engine Power - Maximum - At 2,200 rpm - SAE J1995	136 kW
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 (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 volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214). Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specification are required. Consult your OMM for further machine specific fuel recommendations.
Note (2)	No derating required up to 3000 m (9,840 ft) altitude, beyond 3000 m (9,840 ft) automatic derating occurs.
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.

Transmission

1.0 Forward	3.3 km/h
1.5 Forward	4.4 km/h
2.0 Forward	5.8 km/h
2.5 Forward	7.5 km/h
3.0 Forward	9.8 km/h
0.7 Forward	2.8 km/h
0.5 Reverse	3.1 km/h
0.5 Forward	2.5 km/h
1.0 Forward (EU)	3 km/h
0.5 Forward (EU)	2.4 km/h
2.7 Forward	8.3 km/h
1.7 Forward	4.9 km/h
0.7 Forward (EU)	2.7 km/h
1.0 Reverse	4.1 km/h
1.5 Reverse	5.4 km/h
2.0 Reverse	7.1 km/h
2.5 Reverse	9.5 km/h
3.0 Reverse	12.2 km/h
1.7 Reverse	6 km/h
Maximum Drawbar Pull - 3.0 Forward	113 kN
Maximum Drawbar Pull - 1.0 Forward	320 kN
0.7 Reverse (EU)	3.1 km/h
2.7 Reverse	10.5 km/h
0.5 Reverse (EU)	2.9 km/h
Maximum Drawbar Pull - 2.0 Forward	198 kN
1.0 Reverse (EU)	3.5 km/h
0.7 Reverse	3.4 km/h

Service Refill Capacities

Fuel Tank	277 l
Cooling System	40 l
Final Drive - Each	7 l
Hydraulic Tank	29.5 l
Engine Crankcase	17 l
Power Train	160 l
DEF Tank	19 l
Roller Frames XL/LGP - Each	20/17.5 L (4.3/4.6 gal)

Weights

Operating Weight	16757 kg
LGP VPAT - Landfill	1436 kg
XL SU - Blade	2600 kg
XL VPAT Landfill	1321 kg
Shipping Weight - LGP	17844 kg
Multi-Shank Ripper - With 3 Shanks	1342 kg
XL VPAT Foldable	1253 kg
Operating Weight - XL	16757 kg
LGP VPAT - Foldable	1491 kg
Shipping Weight - XL	16399 kg
LGP VPAT - Blade	1234 kg
XL VPAT Blade	1062 kg
Operating Weight - LGP	18346 kg
Operating Weight - LGP Waste Handler	20298 kg
Shipping Weight - XL Waste Handler	18157 kg
Operating Weight - XL Waste Handler	18515 kg
Shipping Weight - LGP Waste Handler	19796 kg
Shipping Weight - XL Fine Grading	16952 kg
Operating Weight - XL Fine Grading	17310 kg
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.
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.

Undercarriage

Shoe Width - LGP	840 mm
Track on Ground - LGP	3110 mm
Note (1)	*ISO 16754
Shoes/Side - XL	40
Ground Pressure - XL*	46.1 kPa
Ground Contact Area* - XL	3.56 m²
Track Gauge - LGP	2160 mm
Ground Contact Area* - LGP	5.76 m²
Track on Ground - XL	2605 mm
Track Gauge - XL	1890 mm
Track Rollers/Side - LGP	8
Ground Pressure - LGP*	31.2 kPa
Grouser Height - LGP	57 mm
Grouser Height - XL	66 mm
Shoes/Side - LGP	46
Track Rollers/Side - XL	7
Shoe Width - XL	610 mm
Track on Ground - XL - Fine Grading	3110 mm
Ground Contact Area* - XL - Fine Grading	4.18 m²
Ground Pressure* - XL - Fine Grading	40.3 kPa
Track Rollers/Side - XL - Fine Grading	8
Shoes/Side - XL - Fine Grading	46
Grouser Height - XL - Fine Grading	66 mm
Track Gauge - XL - Fine Grading	1890 mm
Shoe Width - XL - Fine Grading	610 mm
Note (2)	All dimensions with SystemOne undercarriage.

Blades

Width - LGP VPAT - Foldable	4080 mm
Width - XL VPAT	3272 mm
Capacity - LGP VPAT - Foldable	3.9 m³
Capacity - LGP VPAT	3.9 m³
Width - LGP VPAT	4080 mm
Capacity - XL VPAT	3.3 m³
Width - XL SU	3154 mm
Capacity - XL SU	4.3 m³

Ripper

Maximum Clearance Raised - Shank Tip	622 mm
Weight - With Three Shanks	1562 kg
Maximum Penetration - XL	514 mm
Maximum Pry-out Force - LGP	170 kN
Maximum Penetration Force - XL	51.6 kN
Shank Gauge	2 m
Maximum Penetration - LGP	398 mm
Pocket Spacing	1000 mm
Maximum Pry-out Force - XL	211.2 kN
Shank Section	73 mm × 176 mm (2.9 in × 6.9 in)
Each Additional Shank	78 kg
Maximum Penetration Force - LGP	43 kN
Type	Fixed Parallelogram
Number of Pockets	3
Overall Beam Width	2202 mm
Beam Cross Section	216 mm × 254 mm (8.5 in × 10.0 in)

Winch

Maximum Bare Drum - Line Speed	43 m/min
Maximum Full Drum - Line Speed	66.1 m/min
Rope Diameter - Recommended	22 mm
Maximum Full Drum - Line Pull*	20144 kg
Maximum Bare Drum - Line Pull*	31389 kg
Winch Drive	Mechanical
Drum Capacity - 22 mm (0.88 in)	88 m
Overall Width	975 mm
Cable Ferrule Size - O.D. × Length	54 mm × 67 mm (2.13 in × 2.63 in)
Winch Model	PA55
Winch Case - Width	975 mm
Control	Electric
Oil Capacity	74 l
Winch and Bracket Length	1145 mm
Drum Diameter	254 mm
Drum Width	315 mm
Flange Diameter	504 mm
Note (1)	*Weight: Includes pump, operator controls, oil, mounting brackets and spacers.
Note (2)	Slow and standard speed winches are available.
Weight*	1276.5 kg

Standards

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.

Sustainability - Sound and Vibration Levels

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

Sound and Vibration - Cab

Sound Level Information for Machines in European Union Countries and in Countries that Adopt the “EU Directives.” The information below applies to only the machine configurations that have the “CE” mark on the Product Identification Plate. (1)	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 engine cooling fan speeds. The cab was properly installed and maintained. The measurement was conducted with the cab doors and the cab windows closed. NOTE: This dynamic operator sound pressure level is associated to a 2 dB(A) uncertainty.
Sound Level Information for Machines in European Union Countries and in Countries that Adopt the “EU Directives.” The information below applies to only the machine configurations that have the “CE” mark on the Product Identification Plate. (2)	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 (LWA) at the time of manufacture for the conditions that are specified in “2000/14/EC.” Your machine may have a different value.
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 exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
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 the doors and windows are open for extended periods or in a noisy environment.
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 (49.2 ft) and “the machine moving forward in an intermediate gear ratio.”

Hydraulic Controls - Pressures

Maximum Steering Operating Pressure	45200 kPa
Maximum Implement Operating Pressure	25100 kPa

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 1.6 kg of refrigerant which has a CO2 equivalent of 2.288 metric tonnes.

Hydraulic Controls - Pump

Pump Output - Steering	137 l/min
Angle Cylinder Flow - VPAT	127 l/min
Lift Cylinder Flow	127 l/min
Tilt Cylinder Flow	90 l/min
Pump Output - Implement	127 l/min
Ripper Cylinder Flow	127 l/min

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