D9
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
452 HP
Bore
5.7 in³
DOWNLOAD TECHNICAL SPECIFICATIONS
Specification
Value
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.
Specification
Value
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).
Specification
Value
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 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 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.
Specification
Value
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.
Specification
Value
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)
Specification
Value
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)
Specification
Value
Steering Type
Differential
Brake Type
Spring Applied Wet Disc
Brake Diameter
15.5 in
Brake Count
8
Specification
Value
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.
Specification
Value
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 fan speeds. NOTE: The dynamic sound power level uncertainty is +/-2 dB(A).
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 cooling fan speeds. The cab was properly installed and maintained. The measurement was conducted with the cab doors and the cab windows closed. NOTE: The dynamic operator sound pressure level uncertainty is +/-2 dB(A).
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.
Specification
Value
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
Specification
Value
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.
Specification
Value
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.
Specification
Value
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.
Specification
Value
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.
Specification
Value
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.
Specification
Value
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.
Specification
Value
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.
  • The torque converter with stator clutch automatically frees up the stator when torque multiplication is not required under low load, resulting in higher drivetrain efficiency for reduced fuel consumption.
  • Bogie suspension allows the track to conform to ground conditions, delivering higher traction and less slippage.
  • Differential steering enables large loads, with fast and smooth maneuvering.
  • The cab is unparalleled, with enhanced ergonomics, a fully adjustable air suspension seat and automatic temperature control.
  • The suspended undercarriage absorbs impact and reduces shock loads transferred to the undercarriage by up to 50% for a smoother, more comfortable ride.
  • Low-effort electronic steering, ripper and dozer controls are easily accessible and provide sure, precise maneuvering.
  • The operator station offers an exceptional viewing area, with a tapered hood, notched fuel tank, and narrow ripper carriage to give the operator a clear line of sight to front and rear work areas.
  • The optional 360 Vision camera system and in-cab display further enhance visibility.
  • An optional powered ladder improves access and egress.
  • Ground-level access, forward-hinging cab door, retention pins on bottom guard and removed lift cylinder grease points provide a greater level of safety for service personnel.
  • Differential steering provides a tight turning radius and maintains a high ground speed while turning.
  • The planetary powershift transmission controls permit smooth speed and direction changes with Advanced Productivity Electronic Control System (APECS).
  • The in-cab touchscreen Information Display is larger, faster, and more powerful with increased memory and intuitive menu structure.
  • The optional Work Monitor screen collects machine data and provides real-time feedback on machine performance to optimize productivity.
  • The Dual Tilt option allows the operator to optimize blade pitch angle, improving load control and making it possible to carry material instead of only pushing it.
  • The D9 is versatile enough for a variety of applications and is ideal for use in heavy construction, quarries, landfills, stockpiles, forestry and mine sites.
  • The powerful Cat C18 Engine is available in U.S. EPA Tier 2, U.S. EPA Tier 3, U.S. EPA Tier 4 Final and EU Stage V configurations.
  • The fully suspended undercarriage provides more ground contact, leading to less slippage and more overall productivity in all applications.
  • Continuous power to both tracks provides smooth turning control and excellent maneuverability in every application, all while keeping ground speed high.
  • Product Link™ Elite enables the remote transmission of information about the location, operation and condition of your equipment.
  • Automated Blade Assist (ABA) (optional) increases efficiency while reducing operator workload, making use of preset blade pitch positions for the load, carry and spread portions of the cycle.
  • AutoCarry™ (optional) automates blade lift to maintain desired blade load, improve load consistency and reduce track slip.
  • Automatic Ripper Control (optional) automatically controls ripper height to limit track slip, reducing operator fatigue.
  • Optional Cat MineStar™ Command for dozing offers multiple levels of remote-control operation.
  • Features such as integrated AutoLube System, fewer greasing points, longer filter change intervals, easy component removal and continuous fluid level monitoring contribute to up to 4% maintenance and repair savings.
  • Grouped maintenance points minimize movement around the machine, and ground-level access enables easier service for fluids and key electrical controls.
  • Remote flash sends an alert from your Cat dealer, prompting you to update the software on your machine. Updates can be deployed on site, without having to wait for a dealer technician to arrive.
  • The perfect match for the D9, Cat blades are aggressive in tough materials and offer superior loadability.
  • Cat blades have the ability to resist torsional bending and distortion and offer increased wear resistance without sacrificing machine balance or performance.
  • Specialty attachments include single-shank ripper and multi-shank ripper
  • Frame is built to absorb high-impact shock loads and twisting forces encountered during severe dozing and ripping applications.
  • Powertrain and main components are built to be rebuilt for a cost-effective second life of like-new performance at a fraction-of-new price.
  • The DuraLink™ undercarriage offers 20 to 40% longer life and delivers 8,000-hour seal life with new, heavy-duty extended-life (HDXL) undercarriage.
  • The D9 is designed to use less fuel, which reduces engine emissions.
  • The Tier 4 Final engine reduces NOx and particulate matter, plus the engine is compatible with diesel fuel blended with lower-carbon intensity fuels such as biofuels and renewable fuels.
  • Features like extended life filters and longer maintenance intervals decrease the amount of waste contributed to the environment.
  • By rebuilding machines and components, the Cat Rebuild and Cat Reman programs preserve raw materials, conserve energy and reduce emissions. In addition, retrofits and upgrades for older machines incorporate efficiency improvements and emission reductions, and keep them in production longer to conserve energy and minimize the need for raw materials.
  • Increased commonality of systems and components, plus a reduction in unique part numbers, reduces waste and lowers owning and operating costs.