825K Soil Compactor

825K Soil Compactor

825K Soil Compactor

Cat Soil Compactors are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to operate more efficiently and safely. Representing a long-standing commitment to quality and performance, this rugged, powerful machine is designed and built for heavy-duty compaction and dozing operations. Focused on helping our customers succeed, we have continued to build upon each new series. The 825K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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Benefits & Features

Product Specs

Engine

Engine Model
Cat® C15 ACERT™
Net Power
405hp
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
Rated Power (Net SAE J1349)
405hp
Rated Power (Net ISO 9249)
405hp
Gross Power
435hp
Net Power: Direct Drive – Gross Power
412hp
Net Power: Direct Drive – Torque Rise
33%
Net Power: Converter Drive – Gross Power
435hp
Net Power: Converter Drive – Torque Rise
8.5%
Maximum Net Torque @ 1,300 rpm
1478.8lbf-ft
Maximum Altitude without Derating (Tier 4 Final/Stage IV)
9298ft
Maximum Altitude without Derating (Tier 3 Final/Stage IIIA equivalent)
9098ft
Bore
5.4in
Stroke
6.7in
Displacement
927.6in3
High Idle Speed
2300rpm
Low Idle Speed
800rpm

Operating Specifications

Operating Weight
78326lb
Operating Weight (Tier 4 Final/Stage IV)
78326lb
Operating Weight (Tier 3 Final/Stage IIIA equivalent)
77340lb

Transmission

Transmission Type
Planetary – Powershift – ECPC
Travel Speeds: Forward – First
3.4mph
Travel Speeds: Forward – Second
6.0mph
Travel Speeds: Forward – Third
10.7mph
Travel Speeds: Reverse – First
3.9mph
Travel Speeds: Reverse – Second
6.9mph
Travel Speeds: Reverse – Third
12.2mph

Hydraulic System

Pump Flow at 1,800 rpm
30.9gal/min
Main Relief Pressure
3495psi
Maximum Supply Pressure
3495psi
Cylinder, Double-acting: Lift, Bore and Stroke
120 mm × 1070 mm (4.7 in × 42.1 in)
Cylinder, Double-acting: Tilt, Bore and Stroke
95.25 mm × 216 mm (3.75 in × 8.5 in)

Service Refill Capacities

Cooling System
30.6gal
Engine Crankcase
9.0gal
Transmission
17.4gal
Fuel Tank
206.6gal
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
8.5gal
Differentials and Final Drives – Front
26.4gal
Differentials and Final Drives – Rear
29.1gal
Hydraulic Tank Only
35.4gal

Axles

Front
Planetary – Fixed
Rear
Planetary – Oscillating
Oscillation Angle
±8°

Brakes

Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released

Cab – Standard

Operator Sound Level (ISO 6396)
73dB(A)
Machine Sound Level (ISO 6395)
113dB(A)

Cab – Suppression

Operator Sound Level (ISO 6396)
72dB(A)
Machine Sound Level (ISO 6395)
110dB(A)

Hydraulic System – Steering

Steering System – Circuit
Double Acting – End Mounted
Bore
4.5in
Stroke
22.7in
Steering System – Pump
Piston – Variable Displacement
Maximum System Flow
170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
Steering Pressure Limited
3481psi
Vehicle Articulation Angle
86 degrees

Blades

Moldboard Length
14.4ft
Height Including Cutting Edge
3.4ft
Maximum Depth of Cut
1.97ft
Maximum Lift Above Ground
3.14ft
Blade Tip Angle – Total
14.8°
Blade Tip Angle – Forward
7.3°
Blade Tip Angle – Back
7.5°
Blade Tilt Angle – Right – Mechanical
5.1°
Blade Tilt Angle – Left – Mechanical
4.1°
Blade Tilt Angle – Right – Hydraulic
6.3°
Blade Tilt Angle – Left – Hydraulic
5.4°
Blade Tilt Angle – Right Full
10.8°
Blade Tilt Angle – Left Full
10.1°
Total Tilt Adjustment
2.9ft
Width Over End Bits
15.18ft

Wheels

Weight
16167lb
Outside Diameter
5.5ft
Drum Diameter
4.3ft
Drum Width
3.7ft
Tips per Wheel
65
Width over Drums
11.98ft

Dimensions (Approximate)

Height to Top of Beacon
14.4ft
Height to Top of Exhaust Pipe
14.1ft
Height to Top of Hood
10.4ft
Ground Clearance to Bumper
2.7ft
Center Line of Rear Axle to Edge of Counterweight
9.3ft
Hitch to Center Line of Front Axle
6.1ft
Wheelbase
12.1ft
Length with Blade on Ground
28.1ft
Ground Clearance
1.6ft
Width over Wheels
11.98ft
Height to ROPS/Canopy
13.3ft
Turning Radius – Inside of Push Arms
8.6ft

Worktool Attachments

Equipment

  • Power Train
    • Air to air aftercooler
    • Autoshift
    • Brakes, full hydraulic, enclosed, wet multiple disc service brakes
    • Cat clean emission module (Tier 4 Final/Stage IV)
    • Electro-hydraulic parking brake
    • Electronic Clutch Pressure Control (ECPC)
    • Engine, Cat C15 with ACERT Technology: – Tier 4 Final/Stage IV – Tier 3/Stage IIIA equivalent
    • Fuel priming pump (electric)
    • Fuel to air cooler
    • Ground level engine shutoff
    • Hydraulically driven demand fan
    • Integrated braking system
    • Muffler (under hood) (Tier 3/Stage IIIA equivalent)
    • Radiator, Aluminum Modular (AMR)
    • Separated cooling system
    • Single Clutch Speed Shifting (SCSS)
    • Starting aid (ether) automatic
    • Throttle lock
    • Torque converter with Lock Up Clutch (LUC)
    • Transmission, planetary, with 3F/3R speed range control
  • Electrical
    • Alarm, back-up
    • Alternator, 150 amp
    • Batteries, maintenance-free (4 – 1,000 CCA)
    • Electrical system, 24V
    • Ground level lockable master disconnect switch
    • Light, warning unswitched (LED strobe)
    • Lighting, access stairway
    • Lighting, under hood
    • Lighting system, halogen (front and rear)
    • Lights, directional (rear)
    • Starter, electric (heavy duty)
    • Starting receptacle for emergency start
  • Operator Environment
    • 12V power port for mobile phone or laptop connection
    • AccuGrade mapping (ready)
    • Air conditioner
    • Cab, sound-suppressed pressurized
    • Cab door, sliding window (LH)
    • Compaction control (ready)
    • Coat and hard hat hooks
    • Electro-hydraulic tilt and lift controls
    • Finger tip shifting controls
    • Flip-up armrest
    • Heater and defroster
    • Horn, electric
    • Implement hydraulic lockout
    • Instrumentation, gauges: – DEF fluid level (Tier 4 Final/Stage IV) – Engine coolant temperature – Fuel level – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
    • Instrumentation, warning indicators: – Action alert system, three categories – Brake oil pressure – Electrical system, low voltage – Engine failure malfunction alert and action lamp – Parking brake status
    • Internal four-post rollover protective structure (ROPS/FOPS)
    • Laminated glass
    • Light, (dome) cab
    • Lunch box and beverage holders
    • Mirror, internal (panoramic)
    • Mirrors, heated ready
    • Mirrors, rearview (externally mounted)
    • Radio ready for entertainment: – Antenna – Speakers – Converter (12V, 10-15 amp)
    • Seat, Cat Comfort (cloth) air suspension
    • Seat belt with minder, retractable, 76 mm (3 in) wide
    • STIC control system with lockout
    • Sun visor, front
    • Tinted glass
    • Transmission gear (indicator)
    • Vital Information Management System (VIMS): – Graphical information display – External data port – Customizable operator profiles
    • Wet-arm wipers/washers (front and rear)
    • Intermittent wipers (front and rear)
  • Tires, Rims And Wheels
    • Wheels, tamping tips
  • Guards
    • Guard, driveshaft
    • Guards, crankcase and power train
  • Blades
    • Bulldozer straight blade, hydraulics, and linkage are included in the base machine
  • Fluids
    • Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
  • Other Standard Equipment
    • Cleaner bars with teeth
    • Doors, service access (locking)
    • Ecology drains for engine, radiator, transmission, hydraulic tank
    • Emergency platform egress
    • Engine, crankcase, 500 hour interval with CJ-4 oil
    • Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
    • Fast fuel system
    • Fire suppression ready
    • Fuel tank, Fast Fill, 782 L (207 gal)
    • Hitch, drawbar with pin
    • Hoses, Cat
    • Hydraulic, engine, and transmission oil coolers
    • Oil change system, high speed
    • Oil sampling valves
    • Product Link
    • Stairway, left and right rear access
    • Steering, load sensing
    • Toe kicks
    • Total hydraulic filtration system
    • Vandalism protection caplocks
    • Venturi stack
    • Fold down exhaust stack for shipping

Optional Equipment

  • Operator Environment
    • Camera, rear vision
    • Radio, AM/FM/AUX/USB/BLUETOOTH
    • Radio, CB (ready)
  • Technology Products
    • Compaction control, basic
  • Fluids
    • Antifreeze, –50° C (–58° F)
  • Starting Aids
    • Heater, engine coolant, 120V
    • Heater, engine coolant, 240V
  • Miscellaneous
    • Film (ANSI) (Tier 4 Final/Stage IV)
    • EU certification (Tier 4 Final/Stage IV)
    • Plate – year of manufacture (Tier 3/Stage III Equivalent)

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