CAT CAT®623H Wheel dozer scraper

Console

Ergonomic layout

Brand new H Series worktops are ergonomically designed，Thus in a comfortable、Comprehensive machine control in a productive and safe environment。 All controls、Joystick、Reasonable layout of switches and instruments，Maximize productivity and reduce operator fatigue。

View

The wide field of vision gives a panoramic view of the surroundings，Clear line of sight at construction site，Gives the operator a clear view of the front of the machine and the cutting edge.。 The air conditioning unit has been moved under the cab，Improved operator visibility。

Operator comfort

Spacious cab

H Cab Enlargement for Series Scrapers 21%，Provide a more comfortable work area。 The spacious cab and wide doors make it easier to get in and out of the cab。 Increased use of glass，Gives the operator better visibility around the machine。

Steering column

The position of the steering column and pedals have been adjusted，When the seat is tilted during machine operation，Can provide more comfortable operation。 Regardless of operator size，Telescopic and tiltable adjustable steering column for a comfortable driving position。

Standard comfort features

H Series cabs are equipped with a number of features that improve operator comfort。 Standard comfort features include：Coat hook、Lunch-box storage platform with fixing belt、Air conditioner、Heating and radio preparation。

Seat options

H Series scrapers are equipped with Cat Comfortable seat，The movable distance is longer.，Allows the operator to flexibly adjust the sitting position，For optimum comfort and productivity。 The seat can be rotated up to 30 degrees to the right to give the operator a more comfortable position when loading，And can rotate up to 30 degrees to the left to make it easier for the operator to get in and out of the cab。 For unparalleled driving comfort，H Series scrapers are equipped with Cat Advanced Driving Management（ARM）Suspension seat，It uses active suspension to dampen vibrations.，And minimizes the shock loads experienced by the operator at the end of travel。

Integration technology

Optional sequence AIDS and Cat Grade control automates many repetitive tasks for the operator。

T V-handle implement control lever

Redesigned control levers put the full functionality of the scraper in the hands of the operator。 Effortless joystick and convenient button and thumbwheel controls are ergonomically arranged，To minimize arm movement.。

Power train － Engine

ACERT Technology

Cat® C13 ACERT™ Engine to Caterpillar Development of systems and components as the cornerstone，Continuous innovation、Incremental improvement，Achieved breakthrough engine technology。 The engine is available in the U.S. EPA Tier 3/Ooh IIIA Equivalent Emissions Configuration or U.S. EPA Tier 4 Interim/Ooh IIIB Certified emission configuration，To meet the needs of global contractors。

Discharge

Equipped in accordance with the U.S. EPA Tier 4 Interim/Ooh IIIB Emissions standard engine for machine use Cat Clean the discharge module，To provide the performance and efficiency customers need while meeting emissions requirements。 Equipped with American EPA Tier 3/Ooh IIIA Machines with equivalent engines use silencers.，Instead of Cat Clean the discharge module。

Cat Clean the discharge module（CEM）

CEM Is an exhaust aftertreatment kit，Consists of diesel particulate filter and control system。 CEM Use of passive and active regeneration to reduce particulate emissions during normal engine operation。

Cat NOx emission reduction system（NRS）

Cat NOx emission reduction system（NRS）A small amount of exhaust gas can be capture and cooled，And then deliver to that combustion chamber to reduce the temperature of the combustion cham.，So that that emission of nitrogen oxide is reduced。

Diesel particulate filter regeneration

Regeneration is referred to from the diesel particulate filter（DPF）The process of eliminating soot.。 After-treatment regeneration equipment（ARD）For regeneration DPF。 DPF Capturing both particles and ash，Ash shall be removed at the specified maintenance interval。

Power train － Gearbox

Electronic transmission

Cat Electronic Clutch Pressure Control for Eighth Speed Forward and First Speed Reverse（ECPC）The transmission has enhanced gear control logic，Provides an anti-hunting shift strategy，Ensures speed continuity and constant shift times。

Bulldozer's 1-2nd gear uses torque converter drive to increase torque；3-Direct drive in 8th gear for driveline efficiency

The transmission hold function maintains torque converter drive for maximum rimpull，Or hold the current gear for optimal control

Programmable Top Gear The available top gear can be set manually（3-8th gear），O as to match the operating conditions or transport speed

The neutral coast limiter prevents shifting into neutral while moving。

The transmission shifts smoothly

623H Equipped with ECPC Hift torque management system（STM），With improved gear control logic（SCL）And partial throttle shift（PTS）Function。 These features make shifting smoother，Acceleration is more effective when climbing a hill，While the torque is maintained by the gear lever。 In addition，SCL Automatic shift selection for desired machine operation is also available，And downshifts required for maximum acceleration when the throttle is increased。 PTS During partial throttle operation，Allows shifting at low speed，So that that fuel economy of the partial throttle is improve，Quieter machine operation，And operate better in reduce operating conditions.。

Braking performance

623H Use of hydraulically actuated wet disc brake，To provide excellent braking performance。 Standard Cat The engine brake reduces brake wear and improves machine control。

Structure

Cushion Hitch

Electronically actuated and combined with parallelogram linkage，Have extraordinary strength，Together with two nitrogen accumulators（4）And a free float piston（8），Provides a smooth ride，Thereby improving operator comfort.，Enhances machine durability。

Controlled oil flow（6）Cushioned rebound vibration

Flattening valve（7）Through the orifice（5）Apply pressure，Load the cylinder（1）The piston in the automatic housing

Use of steel castings to eliminate multiple weld joints，And increase the strength

Double kingpin design（2、3）It can withstand great external forces.，And simplifies installation and removal

Lock switch

There is an operator selectable lockout switch on the joystick，For locking the damping hinge，To improve control of the cutting edge during loading and unloading。

Nitrogen accumulator

Vertically mounted hydraulic cylinders transmit road impact forces to nitrogen accumulators。 The nitrogen accumulator absorbs and cushions the impact of the road surface.，Impact loads are prevented from being transmitted to the hinged member or the operator.。

Non-metallic shield and fuel tank

The new fuel tank is made of recyclable rotary grinding polyethylene.，And the fuel is kept clean by controlled filtering and purging ports。 New fuel tank with increased capacity，Operators are provided with more than 10 hours of shift time（Depending on the engine load factor）。 The new dozer guard is made of the same highly durable, rotary abrasive polyethylene。 Non-metallic guard prevents build-up when working in sticky material。

Scraper bowl

Redesigned Bucket

Bucket side wall、The structure of the ejector and the floor has been improved，Thereby having improved durability.。 New floor door pulley，Longer service life。 The bucket has a low profile design，So that that fee resistance is smaller。

Pushing system

Powerful pusher system minimizes residual material，Provide constant spreading control。 The floor of the bucket retracts as the ejector moves forward，This allows the operator to precisely control the flow of the material。

The cutting edge and Cat Digging tool（GET）

Provide a variety of get（G.E.T.）Options，In order to optimize machine performance for different material types and loading conditions。 GET Options include standard serrated wear material（ARM）。 Most of them are reversible.，O as to prolong the service life，And that operation cost is reduce。 Please contact your Cat Dealers learn more about the best implement for your application。

Material application

623H Best for stacking、Mixed materials，And separating vegetation during stripping operations.。

Conveyor

Material handling

Conveyor lifts material away from cutting edge，Transport to the top of the conveyor，The material is then unloaded into the bucket。 Mixing the material will prevent cavities in the bowl，Thereby achieving a stable payload and avoiding unbalanced loading。

Closed-loop conveyor hydraulic system

New variable displacement piston pump and fixed displacement motor in closed circuit，Increased by 623H Conveyor power。 An increase in pow may enable that operator to achieve a deeper depth of cut，And load in a shorter distance with low conveyor stall。

Newly designed conveyor structures

The structural improvement of the conveyor is extended by 623H Service life of conveyors and chains。 Roller replaced with wear plate，Reduced chain extension。

New conveyor control device

The thumb wheel on the joystick can be used to operate the conveyor。 The operator can select one gear from seven speeds forward and four speeds reverse，To achieve the best speed for the material。

Chain adjustment

New chain adjustment mechanism enhances serviceability。 The new scissor type chain adjuster uses simple tools to 2..54 cm（1.0 in）Tighten the chain for the increment。

Conveyor scraper

By adding high-strength wear-resistant steel to the surface of each scraper，The service life of 15 conveyor flights in abrasive material has been extended。

Integration technology

Sequence assist device

The Sequential Aid uses integrated software and position sensing cylinders to automate the operator's loading and unloading operations,、Many tasks performed during shipping and unloading。 The operator only needs to set the preference values for the bucket and the gate height，Then press a button to make the machine ready for loading、Transportation、Unload and Return to Excavation Ready。 The system will automatically set the cushion hitch、Bucket height、Pushers and conveyors。 A convenient load counter is included with the sequence aid，In order to keep track of the material that is moved。 By means of a sequence aid，Up to 14 separate implement and machine commands can be replaced by pressing one button four times，So that that operator has more time to prepare for the load cycle and to observe the job site。

Cat Grade Control

Cat Grade control is an automated system，It uses the best earth-moving machinery.（Usually offers the lowest unit cost）To move the maximum amount of material，Help you control costs。 Due to the use of satellite positioning technology,，The automated system protects the cut by limiting the digging depth of the scraper。 This optional system is available from the factory，And is fully integrated into the machine，Seamless cooperation with sequence assist device。 Cat Other benefits of grade control include putting the site plan in front of the operator to improve efficiency and eliminate rework，And field mapping with a scraper。

Work area visualization system（WAVS）

A camera on the machine provides the cutting edge.、View of the right side and rear of the machine。 The system not only improves security，It also provides a new way to see the cutting edge during loading and to see the rear of the machine when pushing or pulling with another scraper。

Comprehensive customer support

Choose

Before buying，Be sure to compare the machines in detail。 Cat® Your dealer can help you。

Purchase

Consider Resale Value，Compare productivity with daily operating costs and fuel consumption。

Operation

Best practice techniques to increase productivity and profit，Please refer to Cat Dealers request the latest training material，And consultation with trained staff。

Maintenance

The repair cost can be planned in advance through the repair option。 S·O·SSM And technical analysis help you avoid unplanned repair。

Replace

Is it maintenance or renovation?？ Cat An agent can help you assess the costs involved.，Help you make the right choice。

Product support

Through excellent global parts services、Trained technicians and《Customer Service Agreement》，Local Cat The agent can provide services for you in the whole process.。

Safe

Electric escalator

The new powered access ladder option greatly facilitates operator access to the cab。 The system is a stable ramp.，Folded under the cab。 The system can be activated using the keypad behind the access door near the ground。 In addition，Controls are also provided on the keypad in the cab。 The ladder provides firm and inclined support，Easier access to the cab。 For added security，Use LED The lamp provides illumination for the step。 The actuator under the cab is used to operate the ladder。 Not in use，The ladder will retract under the cab。 If the machine moves while the ladder is down，A clear alarm sound will be heard。 If the machine loses power，The operator can manually raise or lower the ladder using the handle in the cab or the handle next to the highest ladder step on the ladder。

Cab access

Handrails are provided for safe operator access to the cab and for routine maintenance。

Work area visualization system（WAVS）

A camera on the machine provides the cutting edge.、View of the right side and rear of the machine。 The system not only improves security，It also provides a new way to see the cutting edge during loading and to see the rear of the machine when pushing or pulling with another scraper。