The Cat® D9 Dozer is a versatile machine designed to be used in a variety of applications, such as ripping overburden, production dozing, stockpiling, winching, site maintenance, fleet support and reclamation. It can be equipped with a number of blade options to meet site-specific needs. A highly reliable and fully integrated Cat machine, the D9’s components work together to ensure top performance, high availability and long life. Features like the new stator clutch torque converter boost efficiency and reduce fuel usage, and a number of onboard technology solutions further increase efficiency and performance. These improvements — and more — make the D9 a dozer that delivers a lower overall cost per unit of material moved.
| Engine Model | Cat® C18 |
| Engine Power - Net SAE J1349/ISO 9249 | 452HP |
| Bore | 5.7in³ |
| Stroke | 7.2in |
| Displacement | 1106in³ |
| Engine Power - Gross SAE J1995 | 487HP |
| Engine Power - ISO 14396 | 479HP |
| 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. |
| Operating Weight | 110225lb |
| Shipping Weight | 84373lb |
| 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. |
| Shoe Type | Extreme Service |
| Width - Shoe | 24in |
| Shoes/Side | 43 |
| Grouser Height | 3.3in |
| Pitch | 9.4in |
| Ground Clearance | 18.1in |
| Track Gauge | 88.6in |
| Length - Track on Ground | 136.6in |
| Ground Contact Area | 45.6ft² |
| Track Rollers/Side | 8 |
| Number of Carrier Rollers | 1 per side (optional) |
| 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 Type | Differential |
| Brake Type | Spring Applied Wet Disc |
| Brake Diameter | 15.5in |
| Brake Count | 8 |
| Engine Model | Cat® C18 |
| Bore | 5.7in³ |
| Stroke | 7.2in³ |
| Displacement | 1106in³ |
| Engine Power - Gross SAE J1995 | 477HP |
| Engine Power - ISO 14396 | 468HP |
| Engine Power - Net SAE J1349/ISO 9249 | 440HP |
| 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). |
| Fuel Tank (Splash Fill) | 254gal (US) |
| DEF Tank (Tier 4 only) | 9.5gal (US) |
| Fuel Tank (Fast Fill) | 248gal (US) |
| Cooling System | 21gal (US) |
| Engine Crankcase* | 10gal (US) |
| Powertrain | 40gal (US) |
| Final Drives (each) | 4gal (US) |
| Roller Frames (each) | 12gal (US) |
| Pivot Shaft Oil | 8gal (US) |
| Hydraulic System Tank | 24gal (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. |
| Pump Type | Piston-type geared to flywheel |
| Pump Output - Steering | 96gal/min |
| Fan Pump | 21gal/min |
| Tilt Cylinder Flow - Rod End Flow | 53gal/min |
| Tilt Cylinder Flow - Head End Flow | 53gal/min |
| Lift Cylinder Relief Valve Setting | 3800lbf/in |
| Tilt Cylinder Relief Valve Setting | 2799psi |
| Ripper - Lift - Relief Valve Setting | 3800psi |
| Ripper - Pitch - Relief Valve Setting | 3800psi |
| Steering System - Pressure | 5874psi |
| Tank Capacity | 24gal/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) |
| Air Conditioning | 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. |
| 1.0 Forward | 2.2mile/h |
| 2.0 Forward | 3.9mile/h |
| 3.0 Forward | 6.8mile/h |
| 1.0 Reverse | 2.7mile/h |
| 2.0 Reverse | 4.8mile/h |
| 3.0 Reverse | 8.4mile/h |
| Type | Planetary powershift |
| Blade Capacity (SAE J1265) | 17.8yd³ |
| Blade Width (over end bits) | 171.3in |
| Blade Height | 76.1in |
| Maximum Digging Depth | 23.9in |
| Ground Clearance at Full Lift | 56in |
| Maximum Tilt | 37in |
| Blade Weight | 10587lb |
| Total Operating Weight* (with blade and single-shank ripper) | 110205lb |
| 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 Capacity (SAE J1265) | 21.7yd³ |
| Blade Width (over end bits) | 184.3in |
| Blade Height | 76.1in |
| Maximum Digging Depth | 23.9in |
| Ground Clearance at Full Lift | 56in |
| Maximum Tilt | 39.9in |
| Blade Weight | 12016lb |
| Total Operating Weight* (with blade and single-shank ripper) | 111362lb |
| 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. |
| Maximum penetration force * (shank vertical) | 35520lbf |
| Maximum penetration depth (standard tip) | 48.5in |
| Pryout Force | 74637lbf |
| Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole | 34.7in |
| Number of Pockets | 1 |
| Weight | 10701lb |
| Total Operating Weight* (with SU Blade and noted ripper) | 110205lb |
| 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. |
| Maximum penetration force * (shank vertical) | 38667lbf |
| Maximum penetration depth (standard tip) | 68in |
| Pryout Force | 74412lbf |
| Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole | 32.2in |
| Number of Pockets | 1 |
| Weight | 10981lb |
| Total Operating Weight* (with SU Blade and noted ripper) | 110485lb |
| 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. |
| Maximum Penetration Force - Shank Vertical | 34621lbf |
| Maximum Penetration - Standard Tip | 31.4in |
| Pry-Out Force - Multi-Shank Ripper with One Tooth | 81156lbf |
| Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole | 34.6in |
| Number of Pockets | 3 |
| Weight | 12136lb |
| Total Operating Weight* - With SU-Blade and Ripper | 111739lb |
| 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. |
| Ground Clearance* | 18.1in |
| Track Gauge | 88.6in |
| Width - Without Trunnions - Standard Shoe | 113in |
| Width - Over Trunnions | 130.3in |
| Height - FOPS Cab* | 150.4in |
| Height - Top of Stack* | 152.6in |
| Height - ROPS/Canopy* | 157.5in |
| Drawbar Height (Center of Clevis)* | 30in |
| Length - Track on Ground | 136.6in |
| Overall Length - Basic Tractor | 193.3in |
| Length - Basic Tractor - With Drawbar | 206.4in |
| Length - Basic Tractor - With Winch | 218.3in |
| Length - With SU-Blade** | 259.9in |
| Length - With U-Blade | 274.3in |
| Length - With Single-Shank Ripper | 257in |
| Length - With Multi-Shank Ripper | 257.4in |
| Overall Length - SU-Blade/SS Ripper | 323.6in |
| Note (1) | *Includes grouser height for total dimensions on hard surfaces. |
| Winch Model | PA 140VS |
| Weight* | 3950lb |
| Oil Capacity | 4gal (US) |
| Drum Width | 12.6in |
| Wire Cable Diameter - Recommended | 1.13in |
| Wire Cable Diameter - Optional | 1.25ft |
| Maximum Drum Capacity - Recommended Cable Length | 257in |
| Maximum Drum Capacity - Optional Cable Length | 204ft |
| Wire Cable Ferrule Size - Outside Diameter | 2.4in |
| Wire Cable Ferrule Size - Length | 2.8in |
| 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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| Power Train |
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| Fluids |
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| Undercarriage |
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| Hydraulics |
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| Electrical |
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| Service And Maintenance |
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| Operator Environment |
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| Technology |
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| Power Train |
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| Fluids |
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| Undercarriage |
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| Hydraulics |
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| Electrical |
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| Service And Maintenance |
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| Rear Attachments |
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| Blades |
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| Other |
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| Special Arrangements |
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