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The Cat D9T has a reputation for outstanding productivity, operator comfort, and robust reliability. It is a highly versatile machine flexible enough to be used in heavy construction, quarries, landfills, forestry, and mine sites. Cat customers can count on the D9T's continued legacy of superior performance, long life, ease of operation and world-class service from the global Cat dealer network to be the backbone of their operation.


Flywheel Power 436.0 HP 325.0 kW Less
Emissions U.S. EPA Tier 4 Final and EU Stage IV U.S. EPA Tier 4 Final and EU Stage IV Less

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

Net SAE J1349/ISO 9249 436.0 HP 325.0 kW Less
Engine Model (1) Cat® C18 ACERT™ Cat® C18 ACERT™ Less
Bore 5.7 in 145.0 mm Less
Engine Model (2) Cat C18 ACERT Cat C18 ACERT Less
Note *Excludes all fan losses. *Excludes all fan losses. Less
Engine Power - ISO 14396 460.0 HP 343.0 kW Less
Engine Power - Net Power SAE J1349/ISO 9249 436.0 HP 325.0 kW Less
Stroke 7.2 in 183.0 mm Less
Engine Power - Gross SAE J1995* 469.0 HP 350.0 kW Less
Displacement 1106.0 in³ 18.1 l Less


Operating Weight 106618.0 lb 48361.0 kg Less
Shipping Weight 80062.0 lb 36316.0 kg Less


Track Gauge 88.6 in 2250.0 mm Less
Length - With SU-Blade** 270.9 in 6880.0 mm Less
Overall Length - Basic Tractor 193.3 in 4910.0 mm Less
Length - With U-Blade 274.3 in 6967.0 mm Less
Height - ROPS/Canopy* 157.5 in 4000.0 mm Less
Drawbar Height (Center of Clevis)* 30.0 in 763.0 mm Less
Overall Length - SU-Blade/SS Ripper 324.0 in 8230.0 mm Less
Width - Without Trunnions - Standard Shoe 113.4 in 2880.0 mm Less
Width - Over Trunnions 129.9 in 3300.0 mm Less
Height - Top of Stack* 157.4 in 3997.0 mm Less
Length - Basic Tractor - With Drawbar 204.0 in 5180.0 mm Less
Length - Basic Tractor - With Winch 218.3 in 5545.0 mm Less
Ground Clearance* 23.4 in 596.0 mm Less
Length - With Single-Shank Ripper 257.0 in 6529.0 mm Less
Height - FOPS Cab* 150.4 in 3820.0 mm Less
Length - With Multi-Shank Ripper 257.4 in 6538.0 mm Less
Note (1) *Includes grouser height for total dimensions on hard surfaces. *Includes grouser height for total dimensions on hard surfaces. Less
Note (2) **Includes drawbar. **Includes drawbar. Less
Length - Track on Ground 136.6 in 3470.0 mm Less


1 Forward 2.4 mile/h 3.9 km/h Less
2 Forward 4.2 mile/h 6.8 km/h Less
3 Forward 7.3 mile/h 11.7 km/h Less
1 Reverse 2.9 mile/h 4.7 km/h Less
2 Reverse 5.2 mile/h 8.4 km/h Less
3 Reverse 8.9 mile/h 14.3 km/h Less
1 Forward - Drawbar Pull 161000.0 lbf 716500.0 N Less
2 Forward - Drawbar Pull 90000.0 lbf 400500.0 N Less
3 Forward - Drawbar Pull 50000.0 lbf 222500.0 N Less

Hydraulic Controls

Pump Type Piston-type pump geared from flywheel Piston-type pump geared from flywheel Less
Pump Output - Steering 102.0 gal/min 387.0 l/min Less
Pump Output - Implement 60.0 gal/min 226.0 l/min Less
Tilt Cylinder Flow - Rod End Flow 37.0 gal/min 140.0 l/min Less
Tilt Cylinder Flow - Head End Flow 50.0 gal/min 188.0 l/min Less
Tilt Cylinder Relief Valve Setting 2800.0 psi 19300.0 kPa Less
Ripper - Lift - Relief Valve Setting 3800.0 psi 26200.0 kPa Less
Ripper - Pitch - Relief Valve Setting 3800.0 psi 26200.0 kPa Less
Tank Capacity 23.5 gal (US) 89.0 l Less
Lift Cylinder Relief Valve Setting 3800.0 psi 26200.0 kPa Less
Steering System - Pressure 5875.0 psi 40500.0 kPa Less


Shoe Type Extreme Service Extreme Service Less
Width - Shoe 24.0 in 610.0 mm Less
Shoes/Side 43 43 Less
Grouser Height 3.3 in 84.0 mm Less
Pitch 9.4 in 240.0 mm Less
Ground Clearance 23.5 in 596.0 mm Less
Track Gauge 88.6 in 2250.0 mm Less
Length - Track on Ground 136.6 in 3470.0 mm Less
Ground Contact Area 6569.0 in² 4.24 m² Less
Track Rollers/Side 8 8 Less
Number of Carrier Rollers 1 per side (optional) 1 per side (optional) Less

Service Refill Capacities

Fuel Tank 217.0 gal (US) 821.0 l Less
Cooling System 25.9 gal (US) 98.0 l Less
Engine Crankcase* 9.7 gal (US) 37.0 l Less
Power Train 43.3 gal (US) 164.0 l Less
Final Drive - Each 3.9 gal (US) 15.0 l Less
Roller Frames - Each 11.9 gal (US) 45.0 l Less
Pivot Shaft Compartment 7.9 gal (US) 30.0 l Less
Note *With oil filters. *With oil filters. Less
DEF Tank 9.5 gal (US) 36.0 l Less
Hydraulic Tank Oil - Only 23.5 gal (US) 89.0 l Less


Winch Model PA 140VS PA 140VS Less
Weight* 3950.0 lb 1790.0 kg Less
Oil Capacity 4.0 gal (US) 15.0 l Less
Increased Tractor Length 21.9 in 557.0 mm Less
Drum Width 12.6 in 320.0 mm Less
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). *Weight shown is base winch only. Does not include mounting arrangement, control arrangement, oil, or wire rope. With counterweight: 3700 kg (8,150 lb). Less
Maximum Drum Capacity - Optional Cable Length 204.0 ft 62.0 m Less
Wire Cable Ferrule Size - Length 2.8 in 70.0 mm Less
Maximum Drum Capacity - Recommended Cable Length 257.0 ft 78.0 m Less
Wire Cable Diameter - Recommended 1.13 in 28.0 mm Less
Wire Cable Ferrule Size - Outside Diameter 2.4 in 60.0 mm Less
Wire Cable Diameter - Optional 1.25 in 32.0 mm Less


ROPS ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria SAE J1040 May 94, ISO 3471:1994. ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria SAE J1040 May 94, ISO 3471:1994. Less
FOPS FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II. FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II. Less

D9T Standard Equipment

  • Alternator, 150-amp
  • Back-up alarm
  • Batteries (two), 12-volt, 200 amp-hour
  • Converter, 12-volt, 10 amp and 20 amp
  • Diagnostic connector
  • Horn, forward warning
  • Light, engine compartment
  • Lighting system, six halogen and two LED
  • Starting receptacle

  • Armrest, adjustable
  • Cab, FOPS
  • Cab heater
  • Deactivation switch, hydraulic controls
  • Decelerator pedal
  • Differential steer, power turn
  • Governor switch, electronic
  • Hydraulic system, electronically controlled for bulldozer and ripper control
  • Information display - multi-color
  • Mirror, rearview
  • MP3/IPOD ready
  • Radio ready, entertainment
  • ROPS mounted air conditioner
  • ROPS rollbar
  • Seat: - Cloth, air suspension
  • Seat belt, retractable 76 mm (3 in)
  • Steering and transmission control
  • Wipers, intermittent low and high speeds

  • Aftercooler, air-to-air
  • Air filter, with precleaner
  • Aluminum bar plate radiator, 6 fpi
  • C18 with ACERT Technology, 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)

  • Anchorage points
  • Fender guard rails
  • Heavy duty steps and handles
  • Operator Not Present Monitor System
  • Seat belt warning system
  • Slope and side-slope monitor

  • Equalizer bar end pin grease fittings, remote
  • Rollers and idlers, lifetime lubricated
  • Sprocket rim segments, replaceable
  • Suspension-type undercarriage, eight-roller tubular track roller frame
  • Three bolt idler caps
  • Track adjusters, hydraulic
  • Track guides
  • Two-piece master links

  • Automated Blade Assist ready (for dual tilt)
  • CD ROM parts book
  • Ecology drains
  • Engine enclosure
  • Fluid sampling ports
  • Grade control ready
  • Ground level service center
  • Product Link (Satellite)
  • Vandalism protection (eight caplocks)
  • VIMS 3G

D9T Optional Equipment

  • 9SU blade
  • 9SU blade, push plate
  • 9SU abrasion resistant blade
  • 9SU abrasion resistant blade, black
  • 9SU landfill blade
  • 9U blade
  • 9U abrasion resistant blade
  • 9U abrasion resistant blade, black

  • Bottom guards, front counterweight
  • Bottom guards, partial
  • Bottom guards, sealed
  • Guard, fuel tank
  • Guard, fuel tank with transmission guard
  • Guard, undercarriage idlers
  • Guard, striker bars - front

  • Cab glass: – 276 kPa (40 psi) – Dual pane impact resistant
  • Operators arrangements: – 5th percentile arrangement – Quick opening floor plates
  • Powered precleaner
  • Seat: – Vinyl with air suspension – Heated and ventilated cloth seat with air suspension
  • Visibility package: – Mirrors – Single camera
  • Window shades

  • Coolant, arctic
  • Engine prelube
  • Exhaust, wrapped: – Insolated Clean Emissions Module
  • Final drives: – Cold weather – Guarded – Waste handling
  • Ground level DEF fill
  • Reversible cooling fan

  • CapSure hammerless installation and positive retention system – Single shank – Multi shank – Single shank deep
  • Counterweights
  • Drawbar, rear
  • Multi-shank ripper: – Standard
  • Single-shank ripper – Pin Puller – Standard
  • Striker bar
  • Winch*
  • *A rear attachment and/or counterweight is recommended for improved performance and balance.

  • Lights – Twelve, (includes ten halogen and two LED) – HID (includes four halogen, six HID, and two LED) – LED, (includes twelve LED work lights)
  • Rear window screen
  • Warning strobe

  • High debris
  • Sound
  • Stockpile
  • Waste handling

  • AccuGrade installation
  • Performance – AutoCarry – Automatic ripper control
  • Cat Grade Control 3D
  • Terrain for Grading

  • Carrier roller – Carrier rollers, cold weather
  • Tracks, PPR, sealed and lubricated – 560 mm (22 in), Extreme Service – 610 mm (24 in), Extreme Service – 610 mm (24 in), Extreme Service Trapezoidal Hole – 610 mm (24 in), Super Extreme Service – 610 mm (24 in), Super Extreme Service Trapezoidal Hole – 685 mm (27 in), Extreme Service – 685 mm (27 in), Extreme Service Clipped Grousers – 685 mm (27 in), Extreme Service Trapezoidal Hole – 685 mm (27 in), Super Extreme Service – 760 mm (30 in), Moderate Service – 760 mm (30 in), Moderate Service Trapezoidal Hole
  • Undercarriage arrangements – Abrasion – Cold weather – Waste handling

  • Battery, cold weather (includes two sets of batteries and two starter motors)
  • Fuel lines, cooler
  • Heater, engine coolant
  • Hydraulics, dual tilt (with Auto Blade Assist)


Meeting regulations is very important for your business. The D9T is powered by Cat C18 engine with ACERT Technology – which meet today's most stringent emissions standards and are poised to take on tomorrow's challenges as well. Power through tough materials with full rated net power of 436 horsepower at 1,800 rpm.


You can't afford to have operators not dozing. Helping you get more done with maximum availability, the D9T's durable design makes repair and maintenance easy. You can rebuild these dozers several times using the same frame with only minor repairs. It's not unusual for a Cat dozer to log more than 100,000 hours. The backbone of the dozer is a heavy, strong and durable frame with high-strength steel castings and continuously rolled top and bottom frame rails. The D9T frame provides durable support to the undercarriage, elevated final drives and other components.

Modular Design

Mechanical availability is one of your top concerns. The D9T reduces downtime by making our machines easy to repair and maintain. Major components are modular in design, so most can be removed and reinstalled without disturbing other systems – which allows the D9T back on the job faster.


You consider the safety of your workers a top priority, and we're doing our best to help you meet your safety goals. Caterpillar considers the safety of everyone in, on or around Cat equipment when developing new products or enhancing safety features for existing products. The D9T has numerous safety features such as but not limited to:

  • Access / Egress Lighting
  • Visibility Arrangements
  • Push-arm Grab Handle, Steps and Guardrails
  • Anchorage Points
  • Operator Not Present Monitoring System


Every day you are focused on productivity and cost per unit for increased profitability. With the D9T fully suspended undercarriage you will get more cycles per day. Every additional cycle you get because of the smooth ride means increased production and lower cost per unit of material moved. The elevated sprocket and suspended undercarriage work together, increasing traction and giving the operator a smoother ride. The elevated sprocket design transfers implement shock loads to the mainframe, so final drives, axles and steering components are isolated from harsh impacts. These benefits translate into higher production and longer component life.


Productive operations begin with a productive operator. Noise, stress and fatigue all have an effect on operator performance – so we've designed an environment that helps minimize them. Within the D9T the operator environment is more than a cab; it's an integrated electronic platform designed to maximize productivity. The new Information Display screen is larger, faster and more powerful with increased memory and intuitive menu structure.


You expect advanced solutions for improved uptime and performance. Several electronic features have been integrated into the D9T to help a less skilled operator become better and obtain the most out of the machine to help reduce operator fatigue and get more done at a lower cost per unit of material moved. The D9T has several electronic options including but not limited to:

  • Automated Blade Assist
  • Autocarry
  • Adaptive Load Select
  • Automatic Ripper Control
  • Cat Grade Control 3D

Cat MineStar System

Cat MineStar System is an integrated suite of mine operations and mobile equipment management technologies. Customers can configure the optional sets: Fleet, Terrain, Detect, Health and Command – to manage multiple operations and gather real-time feedback to enhance safety, productivity and efficiency.


Your Cat dealer knows how to keep your machines moving. We've built an extensive network of nearly 200 locally owned businesses in over 200 countries. So wherever you operate, there is a dealer nearby to provide world-class service and support for your Cat equipment.