Not all products are available in all regions.
The durable construction of the D9T is well suited for tough working conditions.
The durable construction of the D9T is well suited for tough working conditions. It has excellent productivity, optimal operator comfort and robust reliability. Today’s D9T will help you meet your business objectives every day.
Power and reliabilityLearn More
Performing at full-rated net power of 306 kW (410 hp), the large displacement and high torque rise allow the D9T to rip through tough material. Matched to the high-efficiency torque converter and electronically controlled power shift transmission, it will provide years of reliable service.
ADEM™ A4 Engine Controller
Manages fuel delivery for optimal performance per liter (gallon) of fuel used. Provides flexible fuel mapping, allowing the engine to respond quickly to application needs. Tracks conditions and keeps engine operating at peak efficiency.
ATAAC and Airflow
Air-to-air aftercooling keeps air intake temperatures down and, in concert with the tight tolerance combustion chamber components, maximizes fuel efficiency and minimizes emissions. Significant improvements in air flow are generated by a water-cooled turbocharger, unique cross-flow head and single overhead cam.
Turbocharging and Air-to-Air Aftercooling
Provides high horsepower with faster response time while keeping intake temperatures low for long hours of continuous operation.
Fuel Heater (optional)
Uses the temperature of the engine coolant to warm the cold fuel coming directly from the tank. The fuel heater allows an easier transition to winter blended fuels during season changes.
High Altitude Arrangement (optional)
New with the D9T is an optional high altitude arrangement. The attachment provides an updated turbo and control software that allows full tractor performance up to 4420 m (14,500 ft) altitude.
Durable and efficientLearn More
Aluminum Bar Plate Radiator
Cooling system uses a radiator built with rugged, highly efficient aluminum bar plate cores. The aluminum bar plate construction aids durability and allows for higher heat transfer and superior corrosion resistance.
Hydraulic Air to Oil Cooler
The new air to hydraulic oil cooler reduces hydraulic oil temperatures improving component life. The core is built using the same rugged aluminum bar plate design as the jacket water cooler. It is designed in-line with the water cores to minimize debris plugging in all applications.
Hydraulically Variable, Demand Fan
Provides engine cooling capability that is matched to the ambient conditions. In cooler conditions, the fan turns at a slower speed, reducing power demands. This reduces fuel consumption in lower load factor operations. Low speed fan operation also reduces both operator and spectator sound levels.
Comfort and convenienceLearn More
The D9T cab is designed and equipped for operator productivity, safety and comfort. The standard isolation-mounted cab reduces noise and vibration. Overall operator sound levels have been reduced by 2 dB(A). Large windows, tapered hood, and notched fuel tank provide excellent visibility to all sides of the machine and around the job site.
The D9T comes with an updated in-dash display with new features. An improved Advisor Monitoring System tracks machine operating conditions in real time. Dimmable lights allow the operator to choose between night and day backlight settings, through Advisor, to adjust the brightness of all switches and the keypad in the cab.
Operators will enjoy comfort features like standard Cat Comfort Series Seat, adjustable arm rests and automatic climate control. The climate control system automatically adjusts heater and air conditioning controls to maintain a consistent cab temperature throughout the day. Both heater and air conditioner deliver filtered, pressurized, temperature controlled air to the operator and/or windows. The system performs 5 functions: heating, cooling, defrosting, pressurizing and defogging.
Additional cab features include:
Ergonomically designed for ease of operationLearn More
Dozer Control Lever
A low-effort electronic dozer control handle gives the operator control of all dozer functions with one hand. Fore/aft movement of the control handle lowers and raises the blade. Left/right movement directionally tilts the blade. Blade response and blade float can be set/adjusted using the Advisor System.
The thumb lever at the top of the handle and trigger switch controls blade pitch fore and aft when equipped with dual tilt. Dual tilt also provides automated blade assist control capability.
Electronic Ripper Control
A rigidly mounted handgrip provides firm support for the operator even when ripping in the roughest terrain. The low effort thumb lever controls raising and lowering. The finger lever controls shank-in and shank-out positioning.
The monitoring system collects machine data and provides real-time feedback on machine productivity to optimize performance. Data summaries can be sent to off-board tools for site managers to review.
Terrain for Grading (optional)
Provides high precision management of dozing and grading applications for enhanced safety, productivity and efficiency. The system enables an electronic site plan to be sent to the machine from the office in real-time, directing the operator where to cut and fill.
Automatic Ripper Control (optional)
A new feature that reduces operator fatigue and decreases wear and tear on the machine. This is done by monitoring the tractor ground speed with the new cab mounted Global Navigation Satellite System (GNSS) to automatically adjust engine speed and ripper depth to minimize track slip.
Enhances operators productivity by coninuously monitoring ground speed and automatically adjusts blade load.
Cat Grade Control (optional)
Integrates traditional machine control and guidance with machine hardware and software to help improve productivity, usability, reliability and value.
Cat Grade Control software is enhanced to not only automatically guide the blade to the desired design contours, but also integrated with Autocarry to sense and automatically control the load of the blade for improved performance and efficient blade loading in high production dozing applications.
Engineered for performanceLearn More
Suspended Undercarriage Design
Absorbs impact loads, to reduce the shock loads transferred to the undercarriage, by up to 50%.
Bogie suspension conforms closely to the ground providing up to 15 percent more ground contact, especially in uneven terrain. Higher traction means less slippage, better balance, and a smoother ride.
Integrated Carrier Roller Mount
The carrier roller mount is cast into the track roller frame making it easier to add the optional carrier roller in the field, if conditions require it.
Rollers and Idlers
Feature symmetric Duo-Cone™ seals for long sealing life to prevent oil loss and dirt entry. Toric rings maintain performance over a wide range of temperatures.
Roller frames are tubular to resist bending and twisting, with added reinforcement.
Positive Pin Retention (PPR) Sealed and Lubricated Track
Designed for high-impact and high load applications, the Caterpillar design locks the link to the pin.
Made exclusively of Cat Tough Steel™ for longer wear life and precision machined for fit.
Track shoes are available in a variety of sizes and styles to match working conditions.
Provides maximum efficiency in combination with the C18 engineLearn More
A high efficiency torque converter with fixed stator provides high torque multiplication while shielding the drive train from sudden torque shocks and vibration.
Planetary Power Shift Transmission
Three speeds forward and three speeds reverse, utilizing large diameter, high capacity, oil-cooled clutches.
Differential Steering System
A planetary differential turns the machine by speeding up one track and slowing the other, while maintaining full power to both. The system consists of:
Drawbar Pull vs. Speed
As loads on the tractor increase, the D9T offers unmatched lugging capability and smooth shifting as the need occurs to change gears under varying loads. Drive train offers excellent runout speeds and accurate steering capability under load.
Enhanced Auto Shift
Enhanced Auto Shift is a new standard feature that improves fuel efficiency by automatically selecting the optimal forward and reverse gear and engine speed combination based upon powertrain load and desired ground speed.
The modular powertrain design permits quick removal and installation of major components such as the engine, transmission and final drives.
Engineered for maximum production and service lifeLearn More
The D9T mainframe is built to absorb high impact shock loads and twisting forces.
Full box section, designed to keep components rigidly aligned.
Heavy Steel Castings
Adds strength to the main case, equalizer bar saddle, front cross member and tag-link trunnion.
Top and Bottom Rails
Continuous rolled sections, with no machining or welding, to provide superior mainframe durability.
The D9T pivot shaft runs through the mainframe and connects to the roller frames, allowing independent oscillation. The full-length pivot shaft distributes impact loads throughout the case, reducing the bending stress on the case.
The Tag-Link brings the blade closer to the machine for more precise dozing and load control.
The Tag-Link design provides solid lateral stability and better cylinder positions for constant break out force, independent of blade height.
Elevates the final drives well above the ground level work area to protect them from impact loads, abrasion and contamination.
Equipped for versatilityLearn More
All blades feature a strong box-section design that resists twisting and cracking. Blades are made of high tensile strength steel that stands up to the most severe applications. Heavy moldboard construction and hardened bolt-on cutting edges and end bits add strength and durability.
Provide proper tractor balance to maximize dozing production. Recommended if tractor is not equipped with any other rear attachment.
Several options are available. Contact your Cat dealer.
Thinking generations aheadLearn More
The new D9T offers a number of sustainable benefits:
Important for the most productive businessLearn More
Operator Presence Detection
This new feature locks out the powertrain and hydraulics to avoid unintentional movement when the operator is mounting and dismounting the machine.
Fender Guard Rails
Standard heavy duty guard rails are strategically placed to aid the operator outside of the cab.
Heavy Duty Steps and Handles
Strategically placed grab handles plus non-slip steps and decking aid operator getting on and off the machine. Primary access/egress path meets specifications outlined in ISO 2867:2006.
Visibility Package (optional)
The D9T offers a visibility package that enhances the operator’s visibility of their surroundings and provides a broader view of the work area. The packages include a WAVS camera system and mirrors inside and outside the cab.
The Cat dealer network keeps your fleet up and runningLearn More
Scheduled Oil Sampling made easier through live sampling ports for the engine oil, hydraulics and coolant.
Enables your equipment to provide detailed, up-to-the-minute data about its own health and working conditions by monitoring key temperatures, pressures, and more. The system gathers historical trends, histograms, events and more for off-board analysis. Additional subscription required.
Ground Level Service
The ground level service center mounted on the left fender provides easy access to:
The new Ok-to-Start strategy provides electronic fluid level verification at startup on the powertrain, engine coolant and engine oil systems. All information is available via the Advisor Monitoring System within the cab.
You will find nearly all parts at your dealer parts counter. Cat dealers use a world-wide computer network to find in‑stock parts to minimize machine downtime. Ask about your Cat dealer’s exchange program for major components. This can shorten repair time and lower costs.
Genuine Cat Remanufactured parts save you money. You receive the same warranty and reliability as new products at cost savings of 40 to 70 percent. Components are available for the drive train, engine, and hydraulics.
WesTrac and our power systems partners Energy Power Systems Australia (EPSA), provide WA, NSW and ACT with Caterpillar Electric Power Systems, such as generator sets, automatic transfer switches (ATS), uninterruptible power supply (UPS) and switchgears.
EPSA is the Australian Dealer responsible for the sale of new and used Caterpillar engines and design of the installations.
WesTrac provides build-up, installation, servicing, repair and management of power generation plant and equipment, as well as industrial, truck and marine engines and transmissions – 24/7.
It is a formidable combination, providing an unrivalled service – proven reliable Cat power and superb service and parts supply.
You will find the strategic WesTrac/EPSA alliance at work throughout WA, NSW and ACT wherever prime or standby power is required.
At WesTrac® we conduct our business with a number of associated partners.