CAT CAT®785D Mining truck

Power train - Engine

Design

3512C HD 12-cylinder four-stroke design，Use of long useful power strokes，Fuel burns more thoroughly，More efficient。

Conform EPA Standard

If applicable，3512C Engine meets U.S. Environmental Protection Agency emission requirement。

Altitude compensation

At an altitude of 4267 m（14000'）The following can achieve the highest work efficiency。

High torque reserve

It's accelerating、Steep slopes and rough ground conditions，23% The net torque reserve rate of the provides unmatched traction。 Efficient coordination of torque reserve with transmission shift point，Can greatly improve efficiency，Shorten the cycle time。

And the service life is prolonged

Large displacement、Low speed rating and stable power rating，This means more road transport time and shorter repair times。

Refueling system

The optional oil renewal system extends the interval between engine oil changes from 500 hours to 4000 hours or more，Improved machine utilization、And that cost is reduce。

Vibrating plate compactor

At cold start、Work at high altitude、The air filter is restricted、High exhaust temperatures and engine overspeed，A computerized electronic system protects the engine.。 The optional engine prelubrication system builds up oil pressure before the engine is started，Provides additional wear protection。

Fuel efficiency

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

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 Six-Speed Planetary Power Shift Transmission and Direct Injection 3512C The engine is fully matched，Stable power over a wide range of operating speeds。

Robust design

To fit 3512C More horsepower from the engine，The proven planetary powershift transmission is built to be very solid，Long service life between overhaul。

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）Lock-up torque converter

It blends the maximum rimpull and smooth shifting of torque converter drive with the efficiency and performance of direct drive。 Approx. 8 at speed km/h（5 mph）Engage when，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。 To withstand high torque and shock loads，Double reduction final drives provide multiple torque，Further reduce driveline stress。

Wheels and rims

Cast rear wheel and Cat The center mounted rims are installed with bolt，Less installation and maintenance work，Durable。

Rear axle filter

New pump drive system continuously filters the rear axles。 Benefits include cleaner oil、Less downtime、Longer component life。

Engine/Powertrain integration

Cat Data link

A computer system that integrates machines through electronic technology.，This optimizes the overall performance of the power train、And reliability is improve、Extended component life，And reduce operating cost。

Electronic Technician（Cat ET）

Make use of Cat Electronic Technician Service Tool，Through Cat Data link，Service technicians can easily access stored diagnostic data，This simplifies the diagnosis of faults and improves machine availability。

Integrated brake control（IBC）

IBC Integrate automatic retarder control and traction control into one system，Maximize performance and efficiency。

Body Hoist Reverse Neutralizer

When the transmission is in reverse gear，Lift lever，The transmission automatically shifts to the neutral position。

Secondary steering

The secondary steering system uses a pressure accumulator，In the event of engine failure，Up to 3 90-degree turns。

Structure/Hang/Turn

Box section design

785D The frame of the is designed with box section.，At high stress location，Two forgings and 24 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 Rack Box Section Design，Convenient access to power transmission component，Reduce total removal and installation times，Lower overall repair cost。 Pin lift body provides easy access to the transmission。

Steel structure

The entire frame is made of mild steel，Flexible、Durable，Resistant to shock loads even in cold weather，And is convenient for field repair.。

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 operators and instructors 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。

Steering system

The design of the hydraulic steering control system makes the steering exceptionally smooth.，Precise control。 Separate circuit to avoid cross contamination，And the service life is prolonged。

Secondary steering

The secondary steering system uses a pressure accumulator，In the event of engine failure，Up to 3 90-degree turns。

Cylinder

4 independently operating 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。

Console

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。

Ergonomic layout

785D The operator station is ergonomically designed，Allows the operator to be in a comfortable、Operate all machine controls in a productive and safe environment。 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，Allows the operator to operate with confidence，Increase productivity。 1）Three-point operator air suspension seat 2）Lift lever 3）Secondary brake pedal 4）Monitoring system 5）Steering column 6）Transmission console 7）Parking brake reset valve 8）Storage compartment 9）Trainer seat 10）Operator window 11）The operator control 12）Heating/Air conditioner

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 Reliable performance of oil-cooled brake system，Capable of being controlled on very severe transport roads。 Automatic adjustment by brake，Smooth ride and good control even in slippery conditions，This allows the operator to concentrate on driving。 The system is designed with double pistons.，Set the service brake、Auxiliary braking、Parking brake and retarding functions in one powerful system，Thus achieving the best braking efficiency.。

Slow down at the four corners

Four corner deceleration functions forward respectively/The rear wheels provide 60%/40% Braking force，Available in wet and slippery ground conditions，Provides excellent braking control。 Brake torque for front and rear balance，Provides 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/The oil heat exchanger is continuously cooled，Excellent undamped braking and retarding performance。

Long life disc brake

Cat Oil-cooled disc brake design with large discs，Reliable performance，No adjustment is required。 The brakes are totally enclosed and hermetically sealed，To avoid contamination and reduce maintenance。 In addition，This machine uses the standard materials for this model - Novel long-acting friction material。 Long-life friction material provides twice the wear life of standard brake，And twice as resistant to glazing.，More consistent braking force，And less noise.。

Piston

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

Pushed by a spring、Hydraulically released, oil-cooled service brakes apply to all four wheel，Make the parking brake function excellent。 The parking brake is reliable and durable.，On slopes up to 15% Can brake a truck with a rated load on any grade。

Truck body system

Cat Truck body

Matching the truck body to the actual application is 785D Key to achieving best operational values。 Caterpillar A variety of body options for different applications，Payloads range from 131 to 143 metric ton（144 to 157 short ton）。 Caterpillar A proprietary 10/10/The 20 Payload Guide 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 – This high-capacity special purpose body is available in a variety of sizes，Suitable for coal handling applications，Minimal impact on the environment。 Replace tailgate with lift body floor，Provide the capacity required to meet the target payload。 4）Dual ramp body – As the original standard body，The dual ramp body has an excellent load 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 stone bins and rock pushers，To achieve the rated payload，Reduce spillage and improve transport efficiency。

Monitoring System

VIMS® Monitoring System

Caterpillar Designed machine monitoring system，Provides critical machine health and payload information to the operator and service personnel。 VIMS With advanced system monitoring and diagnostic capabilities，Determine the abnormal condition，Simplify troubleshooting and reduce downtime，Thereby avoiding damage.。 VIMS Machine data may also be stored，Help manage production and utilize effective preventive maintenance。

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 Caterpillar 10/10/20 Overload strategy。 Set according to target payload weight and overload，If the truck is overloaded after shifting into second gear，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。

Road analysis control（RAC）

An optional system monitors haul roads by measuring the side to side and up and down motion of the frame，To improve maintenance on the haul road、Cycle time、Tire life and 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 mining management systems 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 interpreted VIMS Data，For optimal fleet management and productivity。

Machine management

Maintenance technicians or mine personnel can download data and generate reports。 The data can be used to improve the effectiveness of the scheduled maintenance program、Maximize component life、Improve machine availability and reduce operating costs。

Instrument cluster

The instrument cluster is positioned for easy viewing，Continuous display of critical machine function information。

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。

In and out

Machine access improvements include a standard 600 on the front of the machine mm（24 "）Diagonal stairs。 Improvements to ground access include an optional motorized boarding ladder。

Integrated Object Detection System

Object detection system as standard equipment，Installed at the factory on 785D On a mining truck。 Fully integrated“Object detection”System、Radar and cameras can provide both audible and visual indications of the detected object。 This system combines short and medium range radar deployed around the machine with cameras on each side，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

785D Mine trucks may be provided with a refueling system、Continuous rear axle filtration、Long-life filters and longer maintenance intervals，This helps to reduce the amount of waste that affects the environment。

Engines with advanced technology

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

Advanced surface technology（AST）

Advanced surface technology（AST）Used to replace chrome paint on some steel parts，Includes suspension and lift cylinder rod。 This technique improves wear resistance，Reduce maintenance time。 Chromium elimination to reduce environmental impact。

Fuel efficiency

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

Serviceability

Maintenance is simple

Convenient maintenance of daily maintenance points, simplified maintenance，And reduce that time required for routine maintenance procedure。 Increased serviceability and up to 500-hour service intervals increase machine availability and productivity。

Maintenance platform

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

Overhaul in the frame

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

Ground maintenance

And that box body is convenient to maintain、Filter、Drain and engine shutdown device。 Located on the ground VIMS Data port for easy downloading of information。

Automatic lubrication

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

Fast Fill Service Center

Optional service center via converging quick fill port，Ability to fill steering oil quickly、Transmission oil and engine oil and coolant，Thereby reducing routine maintenance time.。

Pressure test points and S•O•SSM Sampling port

Sample points and sample ports produce representative samples，Critical systems used to monitor the machine。

Sealed electrical receptacle

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

Fast fill with fuel

The fuel system has a receiver at the fuel tank，Receivable up to 567 litres per minute（150 gallons）。

Air Cleaner

Radial seal air filters are easy to replace，Less maintenance time required。

Customer support

Promise to make Caterpillar Remarkable

Support goes well beyond parts and repair。 Select from Cat Equipment until refurbishment、Trade or sell，Cat Dealers are able to provide differentiated service and support to their customers。

Agent capability

The dealer's technical specialist has the requisite knowledge、Experience、Training skills and tools，Your repair and maintenance needs can be met anytime, anywhere。

Production support and maintenance support

Through our parts distribution organization、Support from a global network of dealer service centers and technical training facilities，Cat Dealer maximizes uptime。 Through a customized maintenance program，Your dealership can help you get the most out of your investment。

Training

Cat Dealers can schedule training programs to help operators increase productivity、Reduce downtime、Reduce operating costs、Enhance security and improve your Cat Return on investment of the product。

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。