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    844 Wheel Dozer
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    D11 Dozer
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    D9 Dozer
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    Engine
    Engine Model Cat® C27 - -
    Net Power - SAE J1349:2011 - Standard Ambient 699 hp - -
    Rated Speed 1800 r/min - -
    Emissions Option 2 - China Nonroad Stage III emissions standards, equivalent to U.S. EPA Tier 2 - -
    Engine Power - ISO 14396:2002 786 hp - -
    Gross Power - SAE J1995:2014 766 hp - -
    Net Power - SAE J1349:2011 - High Ambient 648 hp - -
    Engine Power - ISO 14396: 2002 752 hp - -
    Bore 5.4 in - -
    Stroke 6 in - -
    Displacement 1649.5 in³ - -
    Peak Torque - Speed 2624 lb/ft - -
    Torque Rise 18 % - -
    Note Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator. - -

    Operating Specifications
    Operating Weight 165089 lb - -
    Blade Capacity Range 20.8 yd³ - -

    Transmission
    Transmission Type Cat Planetary Power Shift - -
    Converter Drive - Forward 1 4.5 mile/h - -
    Converter Drive - Forward 2 8.3 mile/h - -
    Converter Drive - Forward 3 14.2 mile/h - -
    Converter Drive - Reverse 1 4.9 mile/h - -
    Converter Drive - Reverse 2 9.1 mile/h - -
    Converter Drive - Reverse 3 15.5 mile/h - -
    Direct Drive - Forward 1 Lock-up disabled - -
    Direct Drive - Forward 2 8.5 mile/h - -
    Direct Drive - Forward 3 15.2 mile/h - -
    Direct Drive - Reverse 1 5.4 mile/h - -
    Direct Drive - Reverse 2 9.6 mile/h - -
    Direct Drive - Reverse 3 16.4 mile/h - -
    Note Travel speeds based on 45/65-45 L-5 46 ply tires. - -
    1.0 Forward - 2.5 mile/h 2.2 mile/h
    2.0 Forward - 4.4 mile/h 3.9 mile/h
    3.0 Forward - 7.6 mile/h 6.8 mile/h
    1.0 Reverse - 3 mile/h 2.7 mile/h
    2.0 Reverse - 5.3 mile/h 4.8 mile/h
    3.0 Reverse - 9.1 mile/h 8.4 mile/h
    Drawbar Pull - 3 Forward - 46250 ft·lbf -
    Drawbar Pull - 1 Forward - 148200 ft·lbf -
    Drawbar Pull - 2 Forward - 82300 ft·lbf -
    Type - - Planetary powershift

    Hydraulic System - Lift/Tilt
    Output at 2,000 rpm and 6900 kPa (1,000 psi) 82 gal/min - -
    Cylinders, Double Acting - Lift, Bore and Stroke 133 mm × 1535 mm (5.25 in × 60.4 in) - -
    Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 210 mm × 188 mm (8.25 in × 7.4 in) - -
    Relief Valve Setting - Bulldozer (Large Pump) 2700 psi - -
    Relief Valve Setting - Tilt Cylinders (Small Pump) 2920 psi - -

    Hydraulic System - Steering
    Steering System - Circuit Pilot, load sensing - -
    Steering System - Pump Piston, variable displacement - -
    Minimum Turning Radius - Over Blade 34 ft - -
    Total Steering Angle 35 ° - -
    Maximum Flow 94.3 gal/min - -
    Relief Valve Setting 4500 psi - -

    Service Refill Capacities
    Fuel Tank - Standard 286.6 gal (US) - -
    Cooling System 54.9 gal (US) 46.8 gal (US) -
    Crankcase 20 gal (US) - -
    Transmission 29.1 gal (US) - -
    Differential - Final Drives - Front 71.6 gal (US) - -
    Differential - Final Drives - Rear 68.9 gal (US) - -
    Hydraulic System - Implement and Hydraulic Fan 68.9 gal (US) - -
    Hydraulic System - Steering and Braking 34.9 gal (US) - -
    Cooling System Refill - Tier 2 Equivalent Engine - 41.7 gal (US) -
    Engine Crankcase - 35.1 gal (US) -
    Power Train - 120 gal (US) -
    Power Train - Refill Volume - 103.3 gal (US) -
    Final Drive - Each - 12.4 gal (US) -
    Roller Frames - Each - 24.8 gal (US) -
    Hydraulic Tank - 42.2 gal (US) -
    Hydraulic System Tank and Chassis - 64.7 gal (US) -
    Hydraulic System Chassis + Blade and Ripper (Standard) - 117.6 gal (US) -
    Hydraulic System Chassis + Blade and Ripper (Carrydozer) - 143.4 gal (US) -

    Air Conditioning System
    Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system co - The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430) the system contains 2.1 kg of refrigerant which has a CO2 equivalent of 3.003 metric tonnes.
    Note (1) - The air conditioning system on this machine contains the flourinated greenhouse gas refrigerant R134a (Global Warning Potential = 1430). The system contains 2.1 kg (4.6 lb) of refrigerant which has a CO2 equivalent of 3.003 metric tonnes (3.31 tons) -

    Axles
    Front Fixed - -
    Rear Trunnion - -
    Oscillation Angle 8.5 ° - -

    Brakes
    Brakes Meets ISO 3540:2011 - -

    Sound Performance - Tier 4 Final / Stage V
    Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008) 116 dB(A) - -
    Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008)* 114 dB(A) - -
    Note (1) *Sound suppression equipped - -
    Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. - -
    Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. - -
    Note (4) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. - -

    Sound Performance - Tier 2
    Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008) 116 dB(A) - -
    Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) - -
    Machine Sound Power Level (ISO 6395:2008)* 114 dB(A) - -
    Note (1) *Sound suppression equipped - -
    Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. - -
    Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. - -
    Note (4) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. - -

    Cab
    ROPS/FOPS ISO 3471:2008 and ISO 3449:2005 Level II Standards - -

    Dimensions (Approximate)
    Height - Top of ROPS 17.2 ft - -
    Height - Top of Exhaust Pipe 16.6 ft - -
    Height - Top of Hood 12.7 ft - -
    Ground Clearance 2 ft - -
    Centerline of Front Axle to Hitch 7.5 ft - -
    Centerline of Rear Axle to Edge of Bumper 12.5 ft - -
    Wheel Base 15.1 ft - -
    Length - With Blade on Ground 36.5 ft - -
    Ground Clearance* - - 18.1 in
    Track Gauge - - 88.6 in
    Width - Without Trunnions - Standard Shoe - - 113 in
    Width - Over Trunnions - - 130.3 in
    Height - FOPS Cab* - - 150.4 in
    Height - Top of Stack* - - 152.6 in
    Height - ROPS/Canopy* - - 157.5 in
    Drawbar Height (Center of Clevis)* - - 30 in
    Length - Track on Ground - - 136.6 in
    Overall Length - Basic Tractor - - 193.3 in
    Length - Basic Tractor - With Drawbar - - 206.4 in
    Length - Basic Tractor - With Winch - - 218.3 in
    Length - With SU-Blade** - - 259.9 in
    Length - With U-Blade - - 274.3 in
    Length - With Single-Shank Ripper - - 257 in
    Length - With Multi-Shank Ripper - - 257.4 in
    Overall Length - SU-Blade/SS Ripper - - 323.6 in
    Note (1) - - *Includes grouser height for total dimensions on hard surfaces.

    Engine - U.S. EPA Tier 4 Final/EU Stage V
    Engine Model - Cat® C32 Cat® C18
    Engine Power - Net SAE J1349/ISO 9249 - Forward - 850 hp -
    Displacement - 1959 in³ 1106 in³
    Engine Power - Net SAE J1349/ISO 9249 - Reverse - 955 hp -
    Note (1) - *Excludes all fan losses. All Engine ratings apply at 1,750 rpm.
    Note (2) - Engine ratings apply at 1,800 rpm. No derating required up to 2499 m (8,200 ft).
    Note (3) - Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, muffler, alternator, fan, and engine emissions controls as required. -
    Bore - - 5.7 in³
    Stroke - - 7.2 in³
    Engine Power - Gross SAE J1995 - - 477 hp
    Engine Power - ISO 14396 - - 468 hp
    Engine Power - Net SAE J1349/ISO 9249 - - 440 hp
    Emissions - - U.S. EPA Tier 4 / EU Stage V

    Weights
    Operating Weight - 235507 lb 110225 lb
    Operating Weight - Carrydozer - 250665 lb -
    Note (1) - D11 Operating Weight: Includes blade tilt cylinders, coolant, lubricants, full fuel tank, ROPS, FOPS cab, 11U ABR bulldozer, single-shank ripper with pin-puller, fast fuel, 710 mm (28 in) ES shoes, and operator. D9 Operation Weight includes hydraulic controls, blade tilt cylinder, coolant, lubricants, full fuel tank, ROPS, FOPS cab, SU Blade, Single-Shank Ripper, 610 mm (24 in) ES shoes and operator.
    Note (2) - D11 CD Operating Weight: Includes lubricant, coolant, full fuel tank, 915 mm (36 in) extreme service shoes, 11 Carrydozer, singleshank ripper, and operator. D9 Operation Weight includes base machine chassis with cab, pivot shaft, roller frames, track and ROPS.
    Shipping Weight - - 84373 lb

    Blades
    Semi-Universal (SU)* Capacity - 35.6 yd³ -
    Semi-Universal (SU)* Width Over Endbits - 219.8 in -
    U-Blade Capacity - 45 yd³ -
    U-Blade Width - 249.6 in -
    Reclamation Universal - Blade capacity (SAE J1265) - 55 yd³ -
    Reclamation Universal - Width with blade (over end bits) - 251.8 in -
    Carry Dozer - Blade capacity (SAE J1265) - 57 yd³ -
    Carry Dozer - Width with blade (over end bits) - 263.9 in -

    Engine - U.S. EPA Tier 2 Equivalent
    Engine Model - Cat® C32 -
    Displacement - 1959 in³ -
    Engine Power - Net SAE J1349/ISO 9249 - Forward - 850 hp -
    Engine Power - Net SAE J1349/ISO 9249 - Reverse - 957 hp -
    Note (1) - *Excludes all fan losses. -
    Note (2) - Engine ratings apply at 1,800 rpm. -
    Note (3) - Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, muffler, alternator, fan, and engine emissions controls as required. -

    Fuel Tank Capacities
    Fuel Tank - Total Volume - 500 gal (US) -
    Fuel Tank - Usable Volume - 475 gal (US) -

    Hydraulic Controls
    Pump Type - Variable displacement piston pump Piston-type geared to flywheel
    Combined Pump Output - Implement - 177 gal/min -
    Pump Output - Steering - - 96 gal/min
    Fan Pump - - 21 gal/min
    Tilt Cylinder Flow - Rod End Flow - - 53 gal/min
    Tilt Cylinder Flow - Head End Flow - - 53 gal/min
    Lift Cylinder Relief Valve Setting - - 3800 lbf/in
    Tilt Cylinder Relief Valve Setting - - 2799 psi
    Ripper - Lift - Relief Valve Setting - - 3800 psi
    Ripper - Pitch - Relief Valve Setting - - 3800 psi
    Steering System - Pressure - - 5874 psi
    Tank Capacity - - 24 gal/min
    Note (1) - - Steering pump output measured at 1,750 engine rpm and 30 000 kPa (4,350 psi).
    Note (2) - - Implement pump output measured at 1,750 engine rpm and 20 000 kPa (2,900 psi).
    Note (3) - - Fan pump output measured at 1,750 engine rpm and 17 000 kPa (2,470 psi)

    Undercarriage
    Shoe Type - Extreme Service Extreme Service
    Width - Shoe - 28 in 24 in
    Width - Shoe - CD - 36 in -
    Shoes/Side - 41 43
    Grouser Height - 4 in 3.3 in
    Pitch - 12.5 in 9.4 in
    Ground Clearance* - 30.6 in -
    Track Gauge - 114 in 88.6 in
    Length - Track on Ground - 175 in 136.6 in
    Ground Contact Area - 9781 in² 45.6 ft²
    Ground Contact Area - CD - 12605 in² -
    Track Rollers/Side - 8 8
    Number of Carrier Rollers - 1 per side (optional) 1 per side (optional)
    Ground Clearance - - 18.1 in

    Ripper - Single Shank
    Maximum penetration force * (shank vertical) - 66000 lb 35520 lbf
    Maximum penetration depth (standard tip) - 63.5 in 48.5 in
    Pryout Force - 148510 lb 74637 lbf
    Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole - - 34.7 in
    Number of Pockets - - 1
    Weight - - 10701 lb
    Total Operating Weight* (with SU Blade and noted ripper) - - 110205 lb
    Note - - *Total Operating Weight includes: single tilt hydraulics, coolant, lubricants, full fuel tank, ROPS, FOPS cab, 610 mm (24 in) ES track shoes and the noted blade and ripper type.

    Ripper - Single Shank, Deep Ripping
    Maximum penetration force * (shank vertical) - 66110 lb 38667 lbf
    Maximum penetration depth (standard tip) - 85.5 in 68 in
    Pryout Force - 148510 lb 74412 lbf
    Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole - - 32.2 in
    Number of Pockets - - 1
    Weight - - 10981 lb
    Total Operating Weight* (with SU Blade and noted ripper) - - 110485 lb
    Note - - *Total Operating Weight includes: single tilt hydraulics, coolant, lubricants, full fuel tank, ROPS, FOPS cab, 610 mm (24 in) ES track shoes and the noted blade and ripper type.

    Ripper - Multi-Shank, Adjustable Parallelogram
    Overall Beam Width - 131.1 in -
    Maximum Penetration Force - Shank Vertical - 77350 lb 34621 lbf
    Maximum Penetration - Standard Tip - 43.3 in 31.4 in
    Pry-Out Force - Multi-Shank Ripper with One Tooth - 145640 lb 81156 lbf
    Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole - - 34.6 in
    Number of Pockets - - 3
    Weight - - 12136 lb
    Total Operating Weight* - With SU-Blade and Ripper - - 111739 lb
    Note - - * Total Operating Weight includes: single tilt hydraulics, coolant, lubricants, full fuel tank, ROPS, FOPS cab, 610 mm (24 in) ES track shoes and the noted blade and ripper type.

    Dimensions - D11 Carrydozer
    Width at Outside of Track (710 mm Track Shoe) - 149.8 in -
    Length with SU-Blade** - No rear attachment - 345.1 in -
    Overall Length SU-Blade and SS Ripper** - 421.7 in -

    Standards
    ROPS - Rollover Protective Structure (ROPS) meets the following criteria: ISO 3471:2008 Rollover Protective Structure (ROPS) meets the following criteria ISO 3471:2008.
    FOPS - Falling Objects Protective Structure (FOPS) meets the following criteria: ISO 3449:2005 LEVEL II Falling Object Protective Structure (FOPS) meets the following criteria ISO 3449:2005 LEVEL II.
    Sound (1) - The exterior sound pressure level for the standard machine (ISO 6396:2008) is 116 dB(A) (sound suppressed). The average dynamic operator sound pressure level when ISO 6396:2008 is used to measure the value for an enclosed cab is 78 dB(A). The measurement was conducted at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine c
    Sound (2) - The operator equivalent sound pressure level (ISO 6396:2008) is 78 dB(A) (sound suppressed). Hearing protection may be needed when the machine is operated with an open operator station for extended periods, in a noisy environment, or with a cab that is not properly maintained.
    Sound - - The average dynamic spectator sound power level when ISO 6395:2008 is used to measure the value for a machine is 116 dB(A). The measurement was conducted at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling

    Dimensions - D11
    Ground Clearance* - 31.4 in -
    Track Gauge - 114 in -
    Width at Outside of Track (710 mm Track Shoe) - 142 in -
    Height (ROPS/canopy)* - 185.9 in -
    Length of Track on Ground - 175 in -
    Length with SU-Blade** - No rear attachment - 337.8 in -
    Overall Length SU-Blade and SS Ripper** - 414.4 in -
    Note - *Includes grouser height for total dimensions on hard surfaces. -

    Engine - U.S. EPA Tier 2/3 Equivalent
    Engine Model - - Cat® C18
    Engine Power - Net SAE J1349/ISO 9249 - - 452 hp
    Bore - - 5.7 in³
    Stroke - - 7.2 in
    Displacement - - 1106 in³
    Engine Power - Gross SAE J1995 - - 487 hp
    Engine Power - ISO 14396 - - 479 hp
    Emissions - - U.S. EPA Tier 2 or Tier 3 equivalent
    Note (1) - - All engine ratings apply at 1,750 rpm.
    Note (2) - - No derating required up to 4267 m (14,000 ft) altitude.

    Steering and Brakes
    Steering Type - - Differential
    Brake Type - - Spring Applied Wet Disc
    Brake Diameter - - 15.5 in
    Brake Count - - 8

    FLUID CAPACITIES
    Fuel Tank (Splash Fill) - - 254 gal (US)
    DEF Tank (Tier 4 only) - - 9.5 gal (US)
    Fuel Tank (Fast Fill) - - 248 gal (US)
    Cooling System - - 21 gal (US)
    Engine Crankcase* - - 10 gal (US)
    Powertrain - - 40 gal (US)
    Final Drives (each) - - 4 gal (US)
    Roller Frames (each) - - 12 gal (US)
    Pivot Shaft Oil - - 8 gal (US)
    Hydraulic System Tank - - 24 gal (US)
    Note - - *With oil filters.
    Note 2 - - 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-ULSTM or
    Note 3 - - All non-road Tier 4 Final diesel engines are required to use only ultra-low sulfur diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less.
    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.

    Blade - Semi-Universal
    Blade Capacity (SAE J1265) - - 17.8 yd³
    Blade Width (over end bits) - - 171.3 in
    Blade Height - - 76.1 in
    Maximum Digging Depth - - 23.9 in
    Ground Clearance at Full Lift - - 56 in
    Maximum Tilt - - 37 in
    Blade Weight - - 10587 lb
    Total Operating Weight* (with blade and single-shank ripper) - - 110205 lb
    Note - - * Total Operating Weight includes: single tilt hydraulics, coolant, lubricants, full fuel tank, ROPS, FOPS cab, 610 mm (24 in) ES track shoes and the noted blade and ripper type.

    Blade - Universal
    Blade Capacity (SAE J1265) - - 21.7 yd³
    Blade Width (over end bits) - - 184.3 in
    Blade Height - - 76.1 in
    Maximum Digging Depth - - 23.9 in
    Ground Clearance at Full Lift - - 56 in
    Maximum Tilt - - 39.9 in
    Blade Weight - - 12016 lb
    Total Operating Weight* (with blade and single-shank ripper) - - 111362 lb
    Note - - *Total Operating Weight includes: single tilt hydraulics, coolant, lubricants, full fuel tank, ROPS, FOPS cab, 610 mm (24 in) ES track shoes and the noted blade and ripper type.

    Winches
    Winch Model - - PA 140VS
    Weight* - - 3950 lb
    Oil Capacity - - 4 gal (US)
    Drum Width - - 12.6 in
    Wire Cable Diameter - Recommended - - 1.13 in
    Wire Cable Diameter - Optional - - 1.25 ft
    Maximum Drum Capacity - Recommended Cable Length - - 257 in
    Maximum Drum Capacity - Optional Cable Length - - 204 ft
    Wire Cable Ferrule Size - Outside Diameter - - 2.4 in
    Wire Cable Ferrule Size - Length - - 2.8 in
    Note - - *Weight shown is base winch only. Does not include mounting arrangement, control arrangement, oil, or wire rope. With counterweight: 3700 kg (8,150 lb).
    Note (2) - - Variable speed, hydraulically driven, dual braking system, three-roller fairlead.
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