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Caterpillar

825K Soil Compactor

Engine Model

C15 Cat®

Net Power

405 HP

Operating Weight

78326 lb

Overview

Designed with durability built in, the Cat 825K ensures maximum availability through multiple life cycles. Designed and manufactured for optimum performance and serviceability, this rugged, powerful machine delivers heavy-duty compaction and dozing.

Photos

Videos

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Interior

360° interior view. Double click on the image to zoom in on any area of the product.

Specifications

  • Engine
    Spec Value
    Engine Model C15 Cat®
    Net Power 405 HP
    Rated Power (Net ISO 9249) 405 HP
    Maximum Net Torque - 1,300 rpm 1478.8 lb/ft
    Maximum Altitude - Without Derating (Tier 4 Final/Stage IV) 9298 ft
    Net Power - Converter Drive - Gross Power 435 HP
    Stroke 6.7 in
    Net Power - Converter Drive - Torque Rise 8,5%
    Gross Power 435 HP
    High Idle Speed 2300 r/min
    Rated Power (Net SAE J1349) 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
    Low Idle Speed 800 r/min
    Net Power - Direct Drive - Torque Rise 33%
    Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent) 9098 ft
    Net Power - Direct Drive - Gross Power 412 HP
    Bore 5.4 in
    Displacement 927.6 in³
  • Operating Specifications
    Spec Value
    Operating Weight 78326 lb
    Operating Weight - Tier 3 Final/Stage IIIA Equivalent 77340 lb
    Operating Weight - Tier 4 Final/Stage IV 78326 lb
  • Transmission
    Spec Value
    Travel Speeds - Reverse - First 3.9 mile/h
    Travel Speeds - Forward - First 3.4 mile/h
    Travel Speeds - Reverse - Third 12.2 mile/h
    Travel Speeds - Reverse - Second 6.9 mile/h
    Travel Speeds - Forward - Third 10.7 mile/h
    Transmission Type Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
    Travel Speeds - Forward - Second 6 mile/h
  • Cab - Standard
    Spec Value
    Machine Sound Level (ISO 6395) 113 dB(A)
    Operator Sound Level - ISO 6396 73 dB(A)
  • Dimensions (Approximate)
    Spec Value
    Ground Clearance 1.6 ft
    Length - With Blade on Ground 28.1 ft
    Height - Top of Exhaust Pipe 14.1 ft
    Hitch to Centerline of Front Axle 6.1 ft
    Turning Radius - Inside of Push Arms 8.6 ft
    Centerline of Rear Axle to Edge of Counterweight 9.3 ft
    Wheel Base 12.1 ft
    Ground Clearance - Bumper 2.7 ft
    Height - Top of Beacon 14.4 ft
    Height - ROPS/Canopy 13.3 ft
    Height - Top of Hood 10.4 ft
    Width - Over Wheels 11.98 ft
  • Service Refill Capacities
    Spec Value
    Hydraulic Tank Only 35.4 gal (US)
    Differential - Final Drives - Rear 29.1 gal (US)
    Fuel Tank 206.6 gal (US)
    Cooling System 30.6 gal (US)
    Differential - Final Drives - Front 26.4 gal (US)
    Transmission 17.4 gal (US)
    Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV) 8.5 gal (US)
    Engine Crankcase 9 gal (US)
  • Axles
    Spec Value
    Oscillation Angle ±8°
    Rear Planetary – Oscillating
    Front Planetary – Fixed
  • Hydraulic System
    Spec Value
    Maximum Supply Pressure 3495 psi
    Main Relief Pressure 3495 psi
    Cylinders, Double Acting - Tilt, Bore and Stroke 95.25 mm × 216 mm (3.75 in × 8.5 in)
    Pump Flow at 1,800 rpm 30.9 gal/min
    Cylinders, Double Acting - Lift, Bore and Stroke 120 mm × 1070 mm (4.7 in × 42.1 in)
  • Blades
    Spec Value
    Total Tilt Adjustment 2.9 ft
    Maximum Lift Above Ground 3.14 ft
    Moldboard - Length 14.4 ft
    Blade Tilt Angle - Left - Mechanical 4,1°
    Width - Over End Bits 15.18 ft
    Blade Tilt Angle - Left - Hydraulic 5,4°
    Blade Tip Angle - Total 14,8°
    Maximum Depth of Cut 1.97 ft
    Height - Including Cutting Edge 3.4 ft
    Blade Tip Angle - Forward 7,3°
    Blade Tilt Angle - Right - Mechanical 5,1°
    Blade Tip Angle - Back 7,5°
    Blade Tilt Angle - Right - Hydraulic 6,3°
    Blade Tilt Angle - Left Full 10,1°
    Blade Tilt Angle - Right Full 10,8°
  • Hydraulic System - Steering
    Spec Value
    Maximum System Flow 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
    Stroke 22.7 in
    Steering System - Circuit Double Acting – End Mounted
    Vehicle Articulation Angle 86 degrees
    Bore 4.5 in
    Steering Pressure Limited 3481 psi
    Steering System - Pump Piston – Variable Displacement
  • Wheels
    Spec Value
    Weight 16167 lb
    Drum Width 3.7 ft
    Drum Diameter 4.3 ft
    Tips per Wheel 65
    Width - Over Drums 11.98 ft
    Outside Diameter 5.5 ft
  • Cab - Suppression
    Spec Value
    Operator Sound Level - ISO 6396 72 dB(A)
    Machine Sound Level (ISO 6395) 110 dB(A)
  • Braking System
    Spec Value
    Parking Brake Drum and Shoe, Spring Applied, Hydraulic Released

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)