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D9 Dozer
Exterior View
Interior View
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D9 Dozer

Engine ModelCat® C18
Engine Power – Net SAE J1349/ISO 9249452 hp
Bore5.7 in³
Stroke7.2 in
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Learn more about our D9 Dozer

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
® C18" data-metric=""> 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.
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.
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)
Steering Type
Differential
Brake Type
Spring Applied Wet Disc
Brake Diameter
15.5in
Brake Count
8
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.
Engine Model
® C18" data-metric=""> 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)
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.
ROPS/FOPS, Sound-Suppressed Cab
High-Definition Primary Touchscreen Display
Visibility – Rearview Mirrors
Air Conditioner and Heater with Automatic Climate Control
Seatbelt, 76 mm (3 in) Retractable with Switch
Seat — Cloth with Air Suspension
Window Wipers with Wash — Low, High, Intermittent
Differential Steering — Power Turn
Entertainment Radio Ready (12V Power, Harness, Speakers)
Cab Glass — Single-Pane Tinted Safety
Cab Door — Right-Hand Swing
Access/Egress Lighting with Shutdown Timer
"Operator Not Present" Detection
Armrest — Adjustable
Interior LED Courtesy Lights
Interior Backlighting — Dimmable
Air Conditioning Condenser — Cab Mounted (Standard only on Tier 4 engine arrangements. Optional on Tier 2/3 versions. Tier 2/3 versions have underhood A/C condenser standard.)
Decelerator Pedal
Controls — Blade — Electronic
Controls — Ripper — Electronic
Park Brake — Electronic
Engine Speed Control Dial
Cab Access — Blade Pusharm Steps and Grab Handle
Fender Platform Guardrails
Site Communication Radio Mount
Four Fluids (Engine Oil, Coolant, Power Train, Fuel)
Continuous Fluid Level Monitoring — Four Fluids (Engine Oil, Power Train, Coolant, Fuel)
Slope and Side Slope Monitor
VIMS™
Automated Blade Assist (ABA) — When Equipped with Dual Tilt
Cat Product Link Elite (Cellular) (Where Allowed by Local Regulations)
Aftercooler, air-to-air
Air filter, with precleaner
Aluminum bar plate radiator, 6 fpi
C18 Tier 4 Final and Stage IV: – 24-volt electric start – Clean Emissions Module
Coolant, extended life
Shift management: - Advanced Productivity Electronic Control System (APECS) - Enhanced AutoShift (EAS)
Engine idle shutdown timer
Ether starting aid, automatic
Fast fuel system
Fuel priming pump, key-on, electric
High speed oil change system, engine and power train
Muffler
Parking brake, electronic
Prescreener
Separator, water/fuel
Three planet, double-reduction planetary final drives
Torque converter
Transmission, electronic control (ECPC), (3F/3R speeds)
Coolant — Extended Life, Standard (— 37° C / — 25° F)
Suspension-Type Undercarriage
Track Guide
Two-Piece Master Link
Lifetime-Lubricated Rollers and Idlers
Hydraulic Track Adjusters
Equalizer Bar — Greased End Pin Bearings
Electronically Controlled, Load-Sensing Dozer Lift and Tilt
Electronically Controlled, Load-Sensing Ripper Lift and Pitch
Electronically Enabled Blade, Quick Drop
Alternator — 150-Amp
Batteries — 2 x 4, 200-Amp Hour, 12V
12V, 15-Amp Converter
Battery Isolation
Backup Alarm
Lights, Engine Compartment
Lights — Halogen — 8 Positions
Ecology Fluid Drains — All Compartments
Hinged Bottom Guards
High-Speed Oil Change — Engine and Transmission
SOS℠ Fluid Sampling Ports
Diagnostic Connector
CapSureTM Hammerless Ripper Tip and Shank Protectors
Anchorage Points (10)
Visibility – Camera – Ripper Tip View
Visibility — Dual Camera
Visibility — Four Cameras — 360-Degree View
Seat — Heated, Cooled, Adjustable Lumbar and Bolsters
Entertainment Radio — AM/FM, Aux Input and Bluetooth®
Cab Glass — Dual-Pane Laminated Impact Safety
Cab Glass — High-Pressure Safety (40 psi/275 kPa)
Window Sunscreen
Small Operator 5th Percentile Mounting Group
Cab Door — Left-Hand Swing
Cab Access — Powered Ladder
Cab Filter Powered Precleaner
AutoCarry™
Auto Ripper Control
Cat Product Link Elite Dual Mode (Cellular + Satellite)
Cat GRADE with 3D
Coolant, arctic
Engine prelube
Exhaust, wrapped: – Insolated Clean Emissions Module
Final drives: – Cold weather – Guarded – Waste handling
Ground level DEF fill
Reversible cooling fan
Coolant — Extended Life, Arctic (— 51° C / — 60° F)
High Ambient Lubrication Package
Arctic Lubrication Package
Undercarriage Arrangement — Abrasion
Undercarriage Arrangement — Waste Handling
Undercarriage Arrangement — Cold Weather
Front Striker Bars
Rubber Idler Guards
Track Links — Heavy Duty XL — DuraLink
Track Shoe — Anti-Packing Round Hole Carrier Roller
Carrier Roller
Carrier Roller — Cold Weather
Dozer Blade Dual Tilt
Ripper Pin Puller
Guarded Tilt Cylinder Lines
24V Electric Start, Dual Starters
Batteries — 4 x 200, 200-Amp Hour, 12V
Lights — Halogen — 12 Positions
Lights — LED — 14 Positions
Lights — High-Output LED — 14 Positions
Light — Warning Strobe
Sound-Reduction Sealed Bottom Guards
Ground-Level Fast Fuel Fill (Standard on Tier 4)
Sound Enclosure
Cat Autolube Grease System with Ground-Level Fill and Auto Shutoff
Hinged Quick-Access Door on Radiator Guard
Ripper Ready
Winch Ready
Ripper — Single Shank
Ripper — Single-Shank Deep
Ripper — Multi Shank (three shank)
Counterweight
Striker Box (Waste)
Winch
Drawbar
Semi-Universal (13.6 m3/17.8 yd3)
Semi-Universal Abrasion (13.6 m3/17.8 yd3)
Universal (16.6 m3/21.7 yd3)
Universal Abrasion (16.6 m3/21.7 yd3)
Semi-Universal Push Plate (13.6 m3/17.8 yd3)
SU Landfill (28.2 m3/36.8 yd3)
Universal Landfill (38.8 m3/50.8 yd3)
Woodchip (46.1 m3/60.3 yd3)
Coal (36.8 m3/48.2 yd3)
— Some blades only available through Cat Work Tools.
— SU Abrasion and U Abrasion are available with black paint on back side.
Fire Suppression Ready
High Debris
Stockpile
Waste Handling
Sound
Arctic
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