825K

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.


SPECIFICATIONS
Engine
Engine Model Cat® C15 ACERT™
Net Power 405 HP


Operating Specifications
Operating Weight 78326 lb


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


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


Brakes
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)


Dimensions (Approximate)
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
Turning Radius - Inside of Push Arms 8.6 ft
Wheel Base 12.1 ft
Width - Over Wheels 11.98 ft


Engine
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 3 Final/Stage IIIA Equivalent) 9098 ft
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 - Converter Drive - Torque Rise 8.5%
Net Power - Direct Drive - Gross Power 412 HP
Net Power - Direct Drive - Torque Rise 33%
Rated Power (Net ISO 9249) 405 HP
Rated Power (Net SAE J1349) 405 HP
Stroke 6.7 in


Hydraulic System
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
Pump Flow at 1,800 rpm 30.9 gal/min


Hydraulic System - Steering
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
Vehicle Articulation Angle 86 degrees


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


Service Refill Capacities
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)


Transmission
Transmission Type Planetary – Powershift – ECPC
Travel Speeds - Forward - First 3.4 mile/h
Travel Speeds - Forward - Second 6 mile/h
Travel Speeds - Forward - Third 10.7 mile/h
Travel Speeds - Reverse - First 3.9 mile/h
Travel Speeds - Reverse - Second 6.9 mile/h
Travel Speeds - Reverse - Third 12.2 mile/h


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


BENEFITS & FEATURES
Efficiency and Productivity



Structures



Power Train



Tamping Wheels and Tips



Operator Station



Integrated Technologies



Safety



Sustainability



Serviceability



Customer Support



Operating Costs



EQUIPMENT
Standard 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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