CAT CAT®789D Mining truck

Powertrain － Engine

Engine

Cat® 3516B And 3516C EUI The four turbocharged diesel engines are capable of operating in the most demanding mining conditions.，Provides great power and reliability。

Design

The 3500 Series 16-cylinder, four-stroke engine features a long, efficient power stroke，Its fuel burns more thoroughly.，Best efficiency。

Conform EPA Standard

If applicable，3516C Engine meets US EPA emission requirement。

High torque reserve

It's accelerating、Steep slopes and rough ground conditions，23% The net torque reserve of the provides unmatched traction。 Efficient coordination of torque reserve with transmission shift point，Maximize efficiency，Shorter cycle times。

And the service life is prolonged

Large displacement、Low speed rating and conservative power rating，Means more time for road transport，Less time is spent in the shop for downtime。

3516B Separate circuit aftercooler

The aftercooler circuit can be operated at a lower temperature than the jacket water temperature.，Thus making the intake air denser.，Burn more fully。

3516C Air-to-air aftercooler（ATAAC）

1566 kW（2100 hp）The optional engine uses an air-to-air aftercooler in order to greatly reduce inlet air temperatures， Thereby improving fuel efficiency and desired emission level。

Electronic Control Module（ECM）

Advanced engine management software，Monitor with self-diagnostic electronic sensor、Control and protect the engine。

Air conditioning compressor system

The air conditioning compressor and lines have been positioned to make maintenance easier、Fewer connection points，At the same time EU Standard。 Automatic tensioning eliminates the need to disassemble and adjust the conveyor belt。

Power train － Gearbox

Mechanical power train

Cat Mechanical power trains and power shift transmissions are available on steep grades、Unparalleled operating efficiency and control in rough terrain conditions and on haul roads with high rolling resistance。

1）Gearbox

Cat The six-speed planetary power shift transmission is fully mated to the direct injection 3516 diesel engine，Provides stable power over a wide range of operating speeds。

Robust design

More powerful power with 3516 engine，Proven Planetary Powershift Transmission，The manufacturing is very strong，Longer service life between overhaul periods。

Transmission Chassis Control（TCC）

TCC Electronic conversion of engine speed data，Shift at the preset point，So as to achieve the best performance、Efficiency and clutch life。

2）The torque converter is locked

It blends the maximum rimpull and smooth shifting of torque converter drive with the efficiency and performance of direct drive。 Approx. 7 at vehicle speed.2 km/h（4.5 mph）Engage when，Provides more power to the wheel。

3）Final drive

Cat The final drives operate as a system with the planetary power shift transmission.，Transmitting maximum power to the ground。 Double reduction final drives are designed to withstand high torque and shock loads，Several times higher torque can be provided to further reduce powertrain stress。

Steering system

The hydraulic steering control system is designed for superior smoothness and precise control。 Separate circuit to avoid cross contamination，Thereby prolonging the service life.。

Secondary steering

The secondary steering system uses a pressure accumulator，In the event of engine failure，Up to three 90-degree turns。

Tire

789D Specially designed larger option tires，Offers a wider range of tire options。 Under applicable conditions of transport，Longer tyre life，Significant reduction in tire cost。

Wheels and rims

Cast rear wheel and Cat Center-mounted rim，Secure with studs and nut，Minimize maintenance and increase durability。 Optional rims can also be changed quickly。

Engine/Powertrain integration

Cat Data link

Integration of machines and computer systems through electronic technology，Optimize the overall performance of the power train、And reliability is improve、Extend component life、And that operation cost is reduce。

Electronic Technician（Cat ET）

Cat ET The service tool is accessible through th Cat Data Link Provide service technicians with easy access to stored diagnostic data，This simplifies troubleshooting and improves machine availability。

Integrated brake control（IBC）

Integrate hydraulic automatic retarder control and traction control into one system，For optimal performance and efficiency。

Body Hoist Reverse Neutralizer

When the transmission is in reverse gear，Operate the joystick，The transmission automatically shifts to the neutral position。

Controllable throttle shift

Adjusting the engine speed during a shift controls the engine speed、Torque Converter Lockup and Transmission Clutch Engagement，Reduces power train stress and clutch wear，Resulting in smoother shifting and longer component life。

Structure

Box section design

789D The frame of the is designed with box section.，At high stress location，Two forgings and 21 castings combined，By deep penetration and continuous wrap-around welding，No need to add weight，It is sufficient to counteract the damage that can be caused by twisting loads.。

Serviceability

Open frame box section design for easy access to power train components、Reduce total disassembly and assembly time and lower total maintenance cost。 Pin-secured high body allows easy access to the transmission。

Steel structure

The entire frame is made of mild steel，Flexibility even in cold weather、Durability and load impact resistance。 In addition，Mild steel can be repaired in the field。

Casting

The casting has a large radius.，With internal stiffeners，Disperse stress at high stress location。 The casting moves the weld to a location where the stress is lower，Thereby prolonging the life of the frame.。

Integral four-column ROPS Cab

The integral ROPS is designed as an extension of the truck frame，Resiliently mounted to the main frame，Vibration and noise can be reduced。 ROPS/FOPS The structure provides the operator with“Five-sided protection”。

Suspension system

Designed to dissipate the impact of haulage and loading，Extend the life of the rack，Make driving more comfortable。

Cylinder

Four self-contained oil pneumatics、Resilient suspension cylinder，Designed to absorb impact forces under the harshest operating conditions。

Durable design

Large bore for sturdy cylinder、Low pressure nitrogen/Oil design，The maintenance workload is small，And that service life is long。

Front。 Front cylinders with preset caster or camber angles are mounted on the frame，It can play the role of sharp steering of the steering vertical shaft.，The method has strong operability and less maintenance workload.

After。 The rear cylinder allows the axle to oscillate，Used to absorb bending and twisting stresses on uneven and rough transit surfaces，So that that stress is not transmit to the main frame。

Console

Operator environment

By installing common accessories into the assembly，Customers can now choose a cab with the features they need。 Optional cab types include：Standard cab、Deluxe cab or Deluxe cab（Cold weather）。 1）Three-point operator air suspension seat 2）Parking brake reset valve 3）Trainer Seat 4）The storage chamber 5）Operator window 6）Secondary brake pedal 7）Transmission console 8）Operator Controls 9）Adjustable steering wheel/Disc column（Tiltable and telescopic）10）Heating/Air conditioning 11）The monitor system 12）The object detection monitor 13）Upper control 14）Radio preparation

Operator has a wide field of vision

By using a fully integrated object detection system、Radar and cameras，The operator may receive an audible indication and a visual indication of the detected object。 In addition，Because the air tank is rearranged at the lower part of the chassis,，Improves operator's right side visibility。

Ergonomic layout

789D The console is ergonomically designed，The entire machine is available in a comfortable、Control in a safe environment with high yield。 All controls、Joystick、Reasonable layout of switches and instruments，Maximize productivity and reduce operator fatigue。

Quiet cab

Integral type ROPS/FOPS The noise suppression cab is resiliently mounted to the main frame，Isolate the operator from the source and the sources，So that that drive is quiet、Safe and comfortable。

View

The wide field of vision gives a panoramic view of the surroundings，Clear line of sight on the road。 Wide field of view allows the operator to operate with ease，Thereby improving productivity。

Radio preparation

The operator's bridge is equipped with a power socket.、Speaker、Antenna and electrical connections，Convenient installation of radio device。 About available Cat Radio option（Includes satellite radio option）Details of the complete series，Please consult Cat Agent。

Cat® Braking system

Integrated brake system

Cat Oil-cooled brake system for reliable performance and control in very tough haul road condition。 The integrated system will apply the service brake、Auxiliary braking、Parking brake and retarding functions in one powerful system，Braking efficiency is optimized。

Slow down at the four corners

In wet and slippery conditions,Four corner deceleration function can be forward respectively/The rear wheels provide 60%/40% Braking force，Resulting in excellent control。 Balanced braking torque at the front and rear for excellent braking performance，Pecially during deceleration braking，Maximum protection against wheel lock。

Oil-cooled multi-disc brake

Cat Four-wheel, forced oil-cooled, multiple disc service brakes with water/Continuous cooling of the oil heat exchanger，Excellent undamped braking and retarding performance。

Long life disc brake

Extended life friction material provides up to twice the wear life of standard brake，And twice as resistant to glazing.，This provides continuous braking force and less noise。

Piston

Cat The two-piece piston design will serve the brakes.、Auxiliary braking、Parking brake and retarding functions are integrated into one system。 The service braking function and the retarding function are hydraulically activated by the primary piston。 The auxiliary piston is spring-loaded，Is held in the disengaged position by hydraulic pressure。 Once the pressure of the hydraulic system drops below the specified pressure，The brake is automatically applied by the secondary piston, which is moved by a spring。

Parking brake

Spring applied、Hydraulically released, oil-cooled parking brakes are applied to all four wheel，Up to 15% Excellent parking braking capability on a variety of slopes。

Hydraulic automatic retarder control（HARC）

The hydraulically activated automatic retarder control system electronically controls hill retarding，To maintain optimum engine speed and oil cooling。 Manual retarder or brake pedal can also be used to assist braking。 The operator uses the brake or accelerator control to release HARC。

Truck body system

Cat Truck body

Matching the truck body to the actual application is 789D Key to achieving best operational values。 Caterpillar Available with a variety of body options for different applications，Payloads range from 177 to 188 metric tons（195 to 207 tons）。 Caterpillar A proprietary 10/10/The 20 Payload Cardinal Rule helps balance excellent payload with safe operation。

Body selection options

1）Cat“X”Type a body - X Type a body is a heavy duty body，Available with a variety of optional bushings to meet the specific requirements of the mining site。 Similar to double bevel，X Type a bodies also provide excellent durability in a variety of demanding application。 2）Special hopper for mining（MSD II）- Suitable for mature mine sites with good operating and maintenance practices。Lighter in weight MSD II（Design specific to mining）Body available in a variety of sizes。 This is a customer-specific/On-site designed truck body，Maximizes transport performance。 MSD II Designed to maximize payload、Provides good durability，And can be used with a variety of optional bushing，Meet specific mining requirements。 3）Doorless coal car hopper - High-capacity special truck hopper，There are many specifications，Specially used for coal transportation，Minimal impact on the environment。 Lift Body Floor Plate Design Removes Tailgate，Provides the required capacity to meet the target payload。 4）Combination body - This is a multi-purpose.、High-capacity body，For transporting low density loose material。 Due to the design based on double bevel，Lightweight ore for customers who need a flexible body（Such as coal）And overload transportation of light and scattered parts.。 5）Dual ramp body - As the original standard body，The dual ramp body has excellent carrying capacity，Ability to maintain a low center of gravity and optimal load distribution，Impact load can be reduced，And is available in both a bushing and non-bushing configuration。 Dual Slope Body for Harsh Application，Including wilderness sites and contractor mine sites。

Customize the body solution

Rear extension available、Side panel、Anti-slip strip、Various options such as rock box and rock pusher，To achieve the rated payload，Reduce spillage and improve transport efficiency。

Monitoring System

VIMS™ Monitoring System

Caterpillar The intelligent machine monitoring system is designed to provide important machine health and payload data in real time.，Guarantee 789D Performance is always at a high productivity level。 The system is available in most major international languages。

Production management

Production Management can Improve Trucks/Efficiency of loading tool、Improve the production capacity of the fleet，Helps extend truck frame、Tire、Service life of rims and driveline component，While reducing operational and maintenance costs。

Payload management

The Maximum Payload Speed Manager feature assists in management Cat 10/10/20 Overload strategy。 Set according to target payload weight and overload，If the truck is overloaded after shifting to second gear and reweighing，VIMS The system logs the event and alerts the operator。 The truck will be restricted to second gear 1750. rpm，And the speed setting of the automatic retarder will decrease to 1750 rpm，Until the load is removed。 Payload management allows managers to protect against overloads that can compromise component life and operator safety，Raise the truck/Efficiency and productivity level of loading tool。

Road analysis control（RAC）

The optional system monitors haul conditions by measuring the side to side and up and down motion of the frame support，Improve maintenance on haul roads，Reduce cycle time，Extend tire life and improve fuel efficiency。

VIMS-PC

External Reporting Software Program VIMS-PC Allows service personnel to download complete machine health records and job efficiency data to a laptop，For diagnosis and analysis。 This easy-to-use software allows service technicians and mine managers to generate health and payload reports，In order to manage machines more efficiently。

VIMS Supervisor

This optional software allows the mine management system to be easily managed and understood VIMS Data，For optimal fleet management and productivity。

Machine management

Maintenance technicians or mine personnel can download data and generate reports，To better manage the machine。 Data can be used to improve the efficiency of scheduled maintenance programs、Maximize component life、Improve machine utilization and reduce operating costs。

Security

Product safety

Caterpillar We will continue to proactively develop mining machines that meet or exceed safety standards.。 Safety is an integral part of all machine and system design。

Mining technology

Cat® MineStar™ The system includes a complete set of mining technologies.，These technologies are grouped into several configurable performance suites，Include“The motorcade”、“Terrain”、“Detect”、“Health status”And“Instruction”。 “Object detection”Yes“Detect”Part of the Performance Suite，Provide customers with a scalable system，Helps monitor machines and other objects near work equipment。 “Object detection”System as standard equipment，Factory Installed on 789D On a mining truck。 With radar deployed around the machine and cameras on each side，Fully integrated“Object detection”System、Radar and cameras can provide both audible and visual indications of the detected object，Allows the operator to determine the condition of the test object。 The camera complements the radar alarm，Selection via touch screen menu in an intuitive interface。

Overload policy

Follow Caterpillar 10 of/10/20 Overload policy，Ensure that the steering and braking systems are adequate for operation。

Standard safety features

Non-slip surface、Three-point retractable seat/Seat belts、Wide Angle Mirror、Body raise indicator、Body retaining cable、Guardrail、Reverse neutralizer for unloading、Low internal noise level、Secondary steering system、Ground Level Service Shutdown Switch。

Sustainability

Sustainability function

789D Refueling system for mine truck、Longer filter life and maintenance interval，This helps to reduce the amount of waste that affects the environment。

Refueling system

Optional oiling system extends engine oil change intervals from 500 hours to 4000 hours or more，Improved machine utilization，And that cost is reduce。

Engines with advanced technology

Engines with advanced technology reduce emissions to the environment，While maintaining fuel efficiency。

Fuel efficiency

When driving downhill，The engine can be further decelerated by compression braking。 When decelerating，Engine ECM Does not inject fuel into the cylinder，Fuel economy can be further improved。

Serviceability

Tie the attachment point

Improves the working environment when servicing recommended maintenance area。

Maintenance is simple

It is easy to overhaul the daily maintenance point，Maintenance is simplified，Reduced time required for routine maintenance proces。 Increased serviceability and 500-hour service intervals increase machine availability and productivity。

Maintenance platform

Provide for the engine、Steering Hydraulic Tank and Battery Box Overhaul。

Overhaul in the frame

Allow easy access to major components，Convenient for maintenance and disassembly。

Ground maintenance

Box、Filter、Drains and engine shutdown devices are easily serviced。 Operable by being on the ground VIMS Data port，Easily download information。

Automatic lubrication

The automatic lubrication system automatically lubricates critical components at regular intervals.，This reduces maintenance times。

Fast Fill Service Center

Optional fast fill service center for quick fuel and oil changes。

Scheduled oil sample analysis

S•O•SSM Sampling valve reduces time for sampling and reliability analysis。

Pressure test point

Block valves are conveniently located throughout the hydraulic system，It is convenient to test the pressure。

Sealed electrical receptacle

Electrical connectors are sealed，Protects against dust and moisture。 The harness is braided in a staggered manner，To avoid damage。 Wires are color-coded，Easy to diagnose and repair。

Cylinder head

All cylinder heads are interchangeable，To facilitate disassembly and visual inspection of internal part。

On-board diagnostic system

VIMS The system continuously monitors all critical functions and components of the machine，Assist in quick troubleshooting and quick repair。

Customer support

Promise to make Caterpillar Remarkable

By offering multiple solutions、Services and products，Cat Dealers can help you reduce costs、Increase productivity、Manage your business more effectively。 Support goes well beyond parts and repair。 Select from Cat Equipment until refurbishment、Trade or sell，Cat Dealers are able to offer differentiated service and support to their customers。

Dealer capability

Cat The dealer provides the various services required by the customer worldwide.。 The dealer's technical specialist has the requisite knowledge、Experience、Training skills and tools，Your repair and maintenance needs can be met anytime, anywhere。

Product support

Cat Dealers firmly believe，Quality products should be supported by quality services.。 Cat After the product is put into use on site，Will get the parts distribution agency.、Supported by a global network of dealer service centers and technical training facilities，This ensures that your equipment is functioning properly。 Our global dealer network provides timely、Reliable parts supply and expertise，Ready to meet your needs 24/7，Cat Customers can count on us。

Technical products

Cat Agents can provide a variety of advanced technology products.，Such as VIMS Monitoring system and MineStar® Information Management System。 These products include radio data communications.、Machine monitoring and diagnostics、Fleet management and transportation road maintenance software，All products to improve fleet efficiency、Designed to increase productivity and reduce costs。