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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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SPECIFICATION SUMMARY
  • Engine Model Cat® C15 ACERT™
  • Net Power 405 hp
  • Operating Weight 78326 lb
  • 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

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C15 ACERT™
  • Net Power
    405 hp
  • 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)
    405 hp
  • Rated Power (Net ISO 9249)
    405 hp
  • Gross Power
    435 hp
  • Net Power: Direct Drive – Gross Power
    412 hp
  • Net Power - Direct Drive - Torque Rise
    33%
  • Net Power: Converter Drive – Gross Power
    435 hp
  • Net Power - Converter Drive - Torque Rise
    8,5%
  • Maximum Net Torque @ 1,300 rpm
    1478.8 lbf-ft
  • Maximum Altitude without Derating (Tier 4 Final/Stage IV)
    9298 ft
  • Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
    9098 ft
  • Bore
    5.4 in
  • Stroke
    6.7 in
  • Displacement
    927.6 in3
  • High Idle Speed
    2300 rpm
  • Low Idle Speed
    800 rpm
  • Engine Model
    C15 Cat®
  • Net Power
    405 HP
  • Bore
    5.4 in
  • Displacement
    927.6 in³
  • 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
  • Gross Power
    435 HP
  • High Idle Speed
    2300 r/min
  • Low Idle Speed
    800 r/min
  • Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
    9298 ft
  • Maximum Net Torque - 1,300 rpm
    1478.8 lb/ft
  • Net Power - Converter Drive - Gross Power
    435 HP
  • Net Power - Direct Drive - Gross Power
    412 HP
  • Rated Power (Net ISO 9249)
    405 HP
  • Rated Power (Net SAE J1349)
    405 HP
  • Stroke
    6.7 in

Operating Specifications

  • Operating Weight
    78326 lb
  • Operating Weight - Tier 4 Final/Stage IV
    78326 lb
  • Operating Weight - Tier 3 Final/Stage IIIA Equivalent
    77340 lb
  • Operating Weight
    78326 lb

Transmission

  • Transmission Type
    Planetary – Powershift – ECPC
  • Travel Speeds: Forward – First
    3.4 mph
  • Travel Speeds: Forward – Second
    6.0 mph
  • Travel Speeds - Forward - Third
    10.7 mile/h
  • Travel Speeds: Reverse – First
    3.9 mph
  • Travel Speeds: Reverse – Second
    6.9 mph
  • Travel Speeds - Reverse - Third
    12.2 mile/h
  • Transmission Type
    Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
  • Travel Speeds - Forward - First
    3.4 mile/h
  • Travel Speeds - Forward - Second
    6 mile/h
  • Travel Speeds - Reverse - First
    3.9 mile/h
  • Travel Speeds - Reverse - Second
    6.9 mile/h

Hydraulic System

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

Service Refill Capacities

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

Axles

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

Brakes

  • Parking Brake
    Drum and Shoe, Spring Applied, Hydraulic Released

Cab – Standard

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

Cab – Suppression

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

Hydraulic System – Steering

  • Steering System – Circuit
    Double Acting – End Mounted
  • Bore
    4.5 in
  • Stroke
    22.7 in
  • 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
    3481 psi

Hydraulic System - Steering

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

Blades

  • Moldboard Length
    14.4 ft
  • Height - Including Cutting Edge
    3.4 ft
  • Maximum Depth of Cut
    1.97 ft
  • Maximum Lift Above Ground
    3.14 ft
  • 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
    2.9 ft
  • Width Over End Bits
    15.18 ft
  • Blade Tilt Angle - Left Full
    10,1°
  • Blade Tilt Angle - Right Full
    10,8°
  • Maximum Depth of Cut
    1.97 ft
  • Maximum Lift Above Ground
    3.14 ft
  • Moldboard - Length
    14.4 ft
  • Width - Over End Bits
    15.18 ft

Wheels

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

Dimensions (Approximate)

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

Braking System

  • Parking Brake
    Drum and Shoe, Spring Applied, Hydraulic Released

Cab - Standard

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

Cab - Suppression

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

POWERFUL EFFICIENCY

LONG TERM VALUE AND DURABILITY

PERFORMANCE WITH LESS FUEL

OPTIMIZE COMPACTION

OPERATOR COMFORT AND CONTROL

PRODUCTIVITY WITH TECHNOLOGY

BUILT-IN SAFETY FEATURES

REDUCE ENVIRONMENTAL IMPACT

TOP-TIER SERVICE AND SUPPORT

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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: – 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:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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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