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844 Wheel Dozer
D9 Dozer

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 - 2.2 mile/h -
2.0 Forward - 3.9 mile/h -
3.0 Forward - 6.8 mile/h -
1.0 Reverse - 2.7 mile/h -
2.0 Reverse - 4.8 mile/h -
3.0 Reverse - 8.4 mile/h -
Type - Planetary powershift -

Hydraulic System - Lift/Tilt

Output at 2,000 rpm and 6900 kPa (1,000 psi) 82 gpm - -
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 gpm - -
Relief Valve Setting 4500 psi - -

Service Refill Capacities

Fuel Tank - Standard 286.6 gal (US) - -
Cooling System 54.9 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) - -

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. -

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 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. -

Weights

Operating Weight - 110225 lb -
Shipping Weight - 84373 lb -
Note (1) - 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) - D9 Operation Weight includes base machine chassis with cab, pivot shaft, roller frames, track and ROPS. -

Undercarriage

Shoe Type - Extreme Service -
Width - Shoe - 24 in -
Shoes/Side - 43 -
Grouser Height - 3.3 in -
Pitch - 9.4 in -
Ground Clearance - 18.1 in -
Track Gauge - 88.6 in -
Length - Track on Ground - 136.6 in -
Ground Contact Area - 45.6 ft² -
Track Rollers/Side - 8 -
Number of Carrier Rollers - 1 per side (optional) -

Standards

ROPS - Rollover Protective Structure (ROPS) meets the following criteria ISO 3471:2008. -
FOPS - Falling Object Protective Structure (FOPS) meets the following criteria ISO 3449:2005 LEVEL II. -
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 -
Sound (1) - 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) - 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. -

Steering and Brakes

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

Engine - U.S. EPA Tier 4 Final/EU Stage V

Engine Model - Cat® C18 -
Bore - 5.7 in³ -
Stroke - 7.2 in³ -
Displacement - 1106 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 -
Note (1) - All Engine ratings apply at 1,750 rpm. -
Note (2) - No derating required up to 2499 m (8,200 ft). -

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. -

Hydraulic Controls

Pump Type - Piston-type geared to flywheel -
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) -

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. -

Ripper - Single Shank

Maximum penetration force * (shank vertical) - 35520 lbf -
Maximum penetration depth (standard tip) - 48.5 in -
Pryout Force - 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) - 38667 lbf -
Maximum penetration depth (standard tip) - 68 in -
Pryout Force - 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

Maximum Penetration Force - Shank Vertical - 34621 lbf -
Maximum Penetration - Standard Tip - 31.4 in -
Pry-Out Force - Multi-Shank Ripper with One Tooth - 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. -

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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