CAT Cat®825H Soil compactor

Power train

Use ACERT® Technology of Caterpillar C15 Engine

Caterpillar CThe 15 engine is a version of the proven Cat 3406 engine with increased displacement。 C15 Engine Conforms to U.S. EPA Tier 3/EU Stage III Standard，Add 3 to the original 3406.5% Horsepower。 Four-stroke engines offer high fuel economy in most applications、Durability and reliability。 Higher torque increase rate improves performance，Allows you to operate with greater rimpull、Lifting power and faster operating cycles。 Flexible engine mount reduces vibration and noise。

Engine lubrication

The engine lubricating oil is filtered by a gear pump、Cooling and providing。

Mechatronic unit injector (MEUI™)

MEUI It's a high pressure、Direct injection fuel system，No adjustment is required in actual use.。 It electronically monitors driver and sensor inputs，Achieve optimum engine performance。

Air-to-air aftercooler (ATAAC) System

ATAAC The system provides a separate cooling system for the air in the intake manifold。 It sends the hot compressed air from the turbine to a single-pass, air-cooled aluminum heat exchanger for cooling。 The cooled compressed air greatly reduces exhaust emission，In line with the United States EPA Tier 3/EU Stage III Request。 The air flow matches the power rating of the turbocharger，Reduce the exhaust emission。 Increased by 19% The bearing surfaces allow the engine to operate at maximum cylinder pressure。Greater cylinder pressure can help reduce fuel consumption、Improve high altitude operations and reduce emissions。 Cylinder Heat Drain Bushing Reduces Heat Removal，The heat transfer to the cooling water jacket is reduced，Thereby providing a greater rate of torque increase.。

The next generation of modular coolers (NGMR)

Use standard six cores（Use seven cores in machines with high ambient temperatures）Parallel flow system to improve cooling capacity。 As there is no top coolant tank to be removed，More convenient maintenance。 NGMR Use of copper tubes and blades。

ADEM™ IV (Advanced Diesel Engine Management）System

ADEM IV A 32-bit computer with sensors distributed throughout the engine，To regulate fuel delivery、Valve timing and all other engine systems that require input data to control load and performance。 ADEM IV Automatic height compensation can also be provided、Cold start mechanism、Oil Pressure and Coolant Alarm，So that that rotate speed of the engine can be accurately controlled unde various working conditions、Provides excellent cold starting capability and low smoke emissions。

Gearbox

Ultimate load、Cat transmissions with planetary power shifts use heavy-duty components to handle the toughest jobs.。 The four planetary gears control all the forward and reverse gears.。 Lectronic control have improved productivity and service life、More convenient for maintenance。 Add electronic clutch pressure control (ECPC) Improved shift quality，Reduced torque spikes，Increases the overall service life of the transmission。 Control the throttle and shift gears (CTS) Provides smoother shifting，And extends the life of the clutch and the driveline。

Torque converter

The torque converter uses a powerful impeller to handle the increased torque rise rate of the engine（24%）And power。

Heavy duty axle

Fixed front axle and oscillating（±9 degrees）Heavy-duty rear axle makes the gears and bearings of the differential and heavy-duty final drives strong，This will extend the service life.。 Permanent lubrication、Maintenance-free universal joints reduce the number of components and make maintenance easier。 The free-floating drive shaft can be taken separately from the wheels and the planetary drive train。

Spindle and Final Driver

The planetary gear can be removed separately from the wheel and brake。 The final drive features a planetary reduction per wheel，Torque is stored at the wheel，Less stress on the drive shaft。

Differential

Conventional front differential and optional No-SPIN The rear differential provides maximum traction in low traction and rough underfoot conditions.。

Service brakes

The service brakes are fully sealed and located on both front wheels，Self-adjusting with adjusting device，And is convenient for maintenance service.。 There are two brake pedal，Right pedal controls standard brake，The left pedal controls engine deceleration and braking。

Parking brake

Spring brake、Hydraulically released dry disc parking brake，Mounted on the transmission output shaft driveline，Manually operated by the driver。 Cat Monitoring System when the transmission is engaged and the parking brake is not released，The driver is alerted。

Auxiliary braking

The auxiliary brake can be operated manually by the driver。 In addition，When the pressure drops，The Caterpillar Monitoring System warns the driver，And will automatically engage the parking brake。

Cold start

Through ADEM IV、Larger starter and four higher capacity CCA Battery (1,000 CCA)，Improved cold start capability。

Hydraulic unit

Hydraulic system

Hydraulic system provides easy blade control。 A seat-mounted lever sends an electronic signal to a pilot valve mounted on the front frame.，The sound generated by the hydraulic valve、Heat and force are all moving out of the cab.。

Operate steering on command

Mechanical feedback system combined with valve ratios for quarter edge-to-edge steering。 Commanded steering is different from systems that rely on the steering wheel speed to actuate the steering cylinder，It turns the steering wheel directly to the hinged position.。 The turning speed of the machine is proportional to the position of the steering wheel.。 The advantage of this mechanism is that it can be accurately controlled、React quickly and significantly reduce the driver's actions and workload。

Load-sensing steering

Load-sensing steering，The performance of the machine is maximized.，Because power is only transmitted to the steering system when the driver turns the machine。 This allows the machine to deliver more power to the ground when not turning。 Because the steering system does not have to constantly use engine power，So it can also help reduce fuel consumption.。

Positive displacement hydraulic pump

All hydraulic pumps are mounted on a pump drive mechanism，So as to facilitate maintenance。

XT-3 and XT-6 Hose

Reliable XT-3 ES And XT-6 ES Hose、O The V-shaped end face seal ring and the high-capacity cylinder form a hydraulic system together。 Reliable components reduce the risk of leaks and pipe burst，Help protect the environment and reduce operating costs。

Structure

Overall structure

824H 90% It's all automatic welding.，Castings are used in several places.，Like this，Spreads the load、Reduced number of component，So that that strength is improve。 Make the welding process highly uniform，Penetration depth、Fuse tightly。 Its advantages are long service life and high antifatigue strength.。 Computer controlled machining to ensure pin hole、Axle block、Cab seat and transmission/Precise alignment of engine components。

Box section engine rear frame

The rear frame of the box-section engine is designed to resist torsion.，It is the axle、The engine and gearbox provide a solid foundation。

Front frame

This two-plate front frame provides maximum structural strength during compaction and dozing operations。

Extension Hinge Design

The extension hitch design equalizes the load distribution by reducing the load on the hitch bearings。 Large, center-hinged design improves hydraulic line routing，More convenient maintenance。

Go、Lower connecting pin

The articulation pin rotate around that double tapered roll bearings。 The hinge attachment pins and the box-shaped section of the cross member assembly improve the strength of the frame structure。 Increasing the diameter of the lower hinge pin makes the design of the product more robust。

Engine and transmission seats

Rubber vibration isolators reduce noise and vibration。

Tamping of wheels and teeth

V Type tamping gear tooth design

Improved V Type tamping gear tooth design，Provides greater ground pressure、Greater pressure force、Smooth ride and excellent traction。

Gear Tooth

13 teeth per row，65 teeth per wheel for excellent compaction。

Compaction

Compaction can be done from the bottom of the lift to the top。 Conical tip moves out of lift，And not“Loosen”Soil。 The top of the lifting device is compacted，The surface is relatively smooth and sealed，Therefore, the transport equipment can maintain a high speed when moving in the fill.。 825H Four compression forces are allowed at the travel speed of： Pressure、Massage power、Impact and vibration forces。 Due to 825H It can also be used for landfill.，Therefore, the number of pavers can be reduced。

High density wheels

High density wheels are designed to be longer、Narrow gear teeth，Provides greater ground contact pressure，And higher densities can be achieved.。 They have the capability of liquid ballasting.，Can be compacted more tightly，Auto trip valve releases pressure。 High-density gear teeth meet demanding compaction specifications。 Tooth height 215 mm（8.5 inches），Tip width 168 mm（6.6 inches）。

Standard gear teeth

Standard gear teeth for general soil compaction，The compaction specification requirement is 95-100% Standard tamping。 Tooth height is 188.3 mm（7.4 inches），Tip width is 224 mm（8.8 inches）。

Symmetrical tamping gear tooth design

Symmetrical tamper gear design results in equal compaction force in forward or backward motion。 Complete and replaceable tooth circumference。 The gear teeth may be welded to the base assembly，The base assembly may then be welded directly to the drum。

Moldboard

Each wheel has two moldboard，Roll in either direction，Can avoid dirt carry by that grinding wheel.，Thereby improving the efficiency。

Adjustable moldboard tip

The adjustable moldboard tip is made of heat-treated and direct-hardened blade steel，Prolonged wear life，Thereby reducing the operation cost.。

Blade

Straight blade dozer blade

Straight Blade is 825H A standard accessory for。

Externally mounted S V-shaped blade

S The V-shaped blade is a multi-box construction，Including heat treated moldboard and DH-2 Steel cutting edge and corner edge to extend blade life。 External mounting makes the design more robust，Because the pressure is applied to the frame and not to the blade，Thereby reducing blade flexure。 Compared to internal mounting design，It lifts the material higher，Use a wider blade。

Driver's individual control

Promote、Tilt and flip are standard。 The controls are on the right side of the driver，Easy to use。

Application

825H Compacting、Push the scraper、Backfilling and paving are particularly prominent.。

Operator's desk and controls

Left、Right rear hinged door

The straight-through cab has left and right doors.，Both doors can be fully opened and locked.，Easy to get in and out。

Sound level

Thick non-metallic floor，Plus the hydraulic system is outside the cab.，The cooling system is separate.，Together they create a quiet working environment.。

View

The interior roll-over protection structure and the fixed front windscreen do not have a metal frame that obstructs the view，It can expand the field of vision。 A sloping hood and wide windows allow the driver to see objects near the machine.。

Cat Comfort Seats

Six-way adjustable seat reduces stress on lower back and thighs，Free movement of hands and feet，And that comfort of the drive is improved。 Air levitation for smoother driving on rough terrain，Improves overall comfort。

Blade Control and Lever

Handle tilt 18 degrees，Facilitates natural placement of the wrist。 The joystick has a sturdy handle for various hand positions.。 The actuation button for the toe function is located on the lever，Full control of the blade。

Storage space

The cab is provided with a lunch box.、Vacuum flask、Space for drinking glasses and other personal items。 A coat hook is also provided.。

Radio reserved

Provide a 12 volt、15 Amp Converter、Speaker、Antenna、All electrical wiring and bracket.，Radio for communication and entertainment。

Caterpillar Monitoring System

Gauges on the left side of the instrument cluster monitor the fuel level and engine coolant、Hydraulic Oil and Torque Converter Oil Temperature。 The center instrument cluster includes a tachometer/Speedometer。 There is a three-level alarm system on the right dashboard.，24/7 monitoring of critical functions。 The system alerts the driver when a problem is about to occur with：Air inlet temperature、Brake oil pressure、Low voltage of electronic system、Engine oil pressure、Engine overspeed、Fuel filter status、Parking brake status、Steering Oil Pressure and Transmission Filter Status。

12 volt power supply

Radio、Telephone and laptop computers can be powered by 12 volts in the cab.、15 Amp power supply to provide power。 A laptop computer can be used to run Cat ET.（ET）Software to enhance engine、Diagnostics for the Transmission and Blade Control System。

Service brakes

Standard braking is provided by the right pedal。 The brakes are fully sealed and located on both front wheel，Brake function for all four wheels via all wheel drive。 The brake is self-adjusting using the adjustment device。

Decelerator pedal

Engine decelerates when pressed halfway，Then engage the clutch。 The left pedal allows the driver to use the throttle lock，Return to throttle lock speed without pressing any button。

Throttle lock

The throttle lock is similar to the constant speed controller of a car.，Allows the driver to schedule the speed of the engine，Increased driver and machine efficiency。

Air conditioner

The mix air causes an immediate change in temperature.，The windows were cleaned quickly.，Thus making the driver feel more comfortable.。 The system is located behind the driver's seat，Use R134a Refrigerator。

Ventilation Ducts and Vents

Allows more airflow to the driver and window，Pillar mounted vents send air to the rear window。

Serviceability

Caterpillar Monitoring System

Diagnostics are provided to allow the technician to check the operation of the machine，And solve the problem quickly.。 Operating parameters、Diagnostic codes and gauge readings that are out of the normal range can be displayed through the diagnostic connector。 There are also pressure taps for easy hydraulic system checks。

Maintainability

Convenient location of regular maintenance point。 There is a remote grease injection fitting to lubricate the lift cylinder yokes。 Movable running boards on the platform give you access to parts that do not require constant maintenance。

Daily maintenance

Lockable floor access door provides quick access to engine fuel filler and dipstick、Coolant sight gauge、Rear frame grease fill fitting、Relay panel and circuit breaker。 All four maintenance-free batteries are secured in a recessed battery box located in the right rear frame。 Universal joints are permanently lubricated，The only driveline component that requires lubrication is the slip joint。

Filter passage

The strainer can be serviced from the left platform，The engine oil filter can be serviced from the right platform。

Air filter clogging inspection gauge

Visible from cab or platform。

Gearbox lube oil filler tube

This tube is located below the platform area，The transmission oil level dipstick sight gauge is located near the filler tube.，This is easy to maintain。

500 hour oil change interval

Double the oil and filter change time without increasing the tank capacity，Thereby increasing run time and throughput.。

Separate cooling system

Fan and cooler separate from engine，Make the machine run more quietly。 NGMR The repair time of the cooler can be reduced。 New metal engine casing redesigned to improve durability，And facilitate routine maintenance and inspection。

Articulated hydraulic oil cooler

The oil cooler can be turned 30 degrees without special tools.。

Articulate the A/C condenser

Open 30 degrees and connect to swing-out hydraulic oil cooler，Quick and easy cleaning of the cooling system。

Console

Cab can be removed or replaced in approximately 45 minutes，This does not require disconnecting the hydraulic links。 Quickly detachable connection allows the air conditioner to be quickly removed without refrigerant leakage。

Engine shutdown switch

The parking switch is located inside the left cooler grille door，For ease of operation and longer switch life。

Bolted bumper

By shortening the entire machine length，Increase the departure angle from 18 degrees to 20 degrees。

Battery box

The maintenance-free battery is located in the battery compartment of the right-hand bumper for easy access。

Toolbox

The tool box is located on the left bumper，To provide additional protection in the harsh landfill environment。

Remote transmission pressure tap

825H A new design of the machine，Gearbox (ECPC) The pressure tap is located on the underside of the platform behind the cab.，For ease of use。

Optional feature

Optional sliding cab window

Located on the left and right door，Outside air can be breathed through the sliding window without opening the door。

Projector and auxiliary lamp unit

The floodlight is located at 825H External，Shockproof，And that use time of the light is 7 times long than that of the prior lighting lamp.。 Auxiliary light unit can be installed in the cab（Two face forward.，Two facing back.）。

Quick refueling

Fast refueling is used during peak times when production demand is high and there is no time to stop refueling。 Fuel is injected through the nozzle at a maximum rate of 378 per minute.5 liters（100 gallons）Fill the tank at the speed of。 When filling the tank with fuel，The air is forced out through the open vent。 When the tank is full，The vent is closed，The grease nipples close automatically。

Noise suppression

Noise suppression panels can be used in the engine compartment to reduce noise。

Complete customer support

Machine selection

Before buying，Be sure to compare the machines in detail。 Cat dealers can estimate component life，Preventative maintenance costs and the true cost of stopping production。

Acquisition

Study the initial price carefully.。 Consider available sources of funding as well as day-to-day operating costs。 Also pay attention to the quality of dealer service that can be included in the cost of the machine，O as to save the operation cost of the equipment in the long run.。

User Service Agreement

Cat dealers offer a variety of product support agreements.，And work with the customer to develop a service plan，To meet the specific needs of each customer。 These plans can be applied to the entire machine.（Includes accessories）Provide security，To help protect the customer's investment。

Product support

You will find that almost all parts are available at your Cat dealer.。 Cat dealers use a global computer network to find parts in stock，Minimize machine downtime。 Save money with genuine Cat Reman parts。 You can save 40-70％ With the same warranty and reliability as a new product。

Operation

Improving the driver's operating skills can increase benefits.。 Your Cat dealer has a training video、Information、Application and equipment training courses and other programs to help you increase productivity。

Maintenance services

More and more buyers are planning for effective maintenance before purchasing equipment.。 Select a dealer service plan when purchasing the machine。 The repair selection plan can plan the repair cost in advance.。 Uch as scheduled oil sampling,SMAnd technical analysis can help you avoid unscheduled repairs.。

Replace

Fix、Renovation or replacement？ Your Cat dealer can help you assess the costs involved.，Make you make the right choice。