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.
Engine Model C15 Cat?
Net Power 405 HP
Operating Weight 78326 lb
Rated Power (Net ISO 9249) 405 HP
Bore 5.4in
Displacement 927.6in³
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
Engine Model C15 Cat?
Gross Power 435HP
High Idle Speed 2300r/min
Low Idle Speed 800r/min
Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent) 9098ft
Maximum Altitude - Without Derating (Tier 4 Final/Stage IV) 9298ft
Maximum Net Torque - 1,300 rpm 1478.8lb/ft
Net Power 405HP
Net Power - Converter Drive - Gross Power 435HP
Net Power - Converter Drive - Torque Rise 8,5%
Net Power - Direct Drive - Gross Power 412HP
Net Power - Direct Drive - Torque Rise 33%
Rated Power (Net ISO 9249) 405HP
Rated Power (Net SAE J1349) 405HP
Stroke 6.7in
Operating Weight 78326lb
Operating Weight - Tier 3 Final/Stage IIIA Equivalent 77340lb
Operating Weight - Tier 4 Final/Stage IV 78326lb
Transmission Type Planetengetriebe ? Lastschaltgetriebe ? ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
Travel Speeds - Forward - First 3.4mile/h
Travel Speeds - Forward - Second 6mile/h
Travel Speeds - Forward - Third 10.7mile/h
Travel Speeds - Reverse - First 3.9mile/h
Travel Speeds - Reverse - Second 6.9mile/h
Travel Speeds - Reverse - Third 12.2mile/h
Machine Sound Level (ISO 6395) 113dB(A)
Operator Sound Level - ISO 6396 73dB(A)
Centerline of Rear Axle to Edge of Counterweight 9.3ft
Ground Clearance 1.6ft
Ground Clearance - Bumper 2.7ft
Height - ROPS/Canopy 13.3ft
Height - Top of Beacon 14.4ft
Height - Top of Exhaust Pipe 14.1ft
Height - Top of Hood 10.4ft
Hitch to Centerline of Front Axle 6.1ft
Length - With Blade on Ground 28.1ft
Turning Radius - Inside of Push Arms 8.6ft
Wheel Base 12.1ft
Width - Over Wheels 11.98ft
Cooling System 30.6gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV) 8.5gal (US)
Differential - Final Drives - Front 26.4gal (US)
Differential - Final Drives - Rear 29.1gal (US)
Engine Crankcase 9gal (US)
Fuel Tank 206.6gal (US)
Hydraulic Tank Only 35.4gal (US)
Transmission 17.4gal (US)
Front Planetary ? Fixed
Oscillation Angle ?8?
Rear Planetary ? Oscillating
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 3495psi
Maximum Supply Pressure 3495psi
Pump Flow at 1,800 rpm 30.9gal/min
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 3.4ft
Maximum Depth of Cut 1.97ft
Maximum Lift Above Ground 3.14ft
Moldboard - Length 14.4ft
Total Tilt Adjustment 2.9ft
Width - Over End Bits 15.18ft
Bore 4.5in
Maximum System Flow 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
Steering Pressure Limited 3481psi
Steering System - Circuit Double Acting ? End Mounted
Steering System - Pump Piston ? Variable Displacement
Stroke 22.7in
Vehicle Articulation Angle 86 degrees
Drum Diameter 4.3ft
Drum Width 3.7ft
Outside Diameter 5.5ft
Tips per Wheel 65
Weight 16167lb
Width - Over Drums 11.98ft
Machine Sound Level (ISO 6395) 110dB(A)
Operator Sound Level - ISO 6396 72dB(A)
Parking Brake Drum and Shoe, Spring Applied, Hydraulic Released
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
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
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)
Wheels, tamping tips
Guard, driveshaft
Guards, crankcase and power train
Bulldozer straight blade, hydraulics, and linkage are included in the base machine
Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
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
Standard and optional equipment may vary. Consult your Cat dealer for details.
Camera, rear vision
Radio, AM/FM/AUX/USB/BLUETOOTH
Radio, CB (ready)
Compaction control, basic
Antifreeze, –50° C (–58° F)
Heater, engine coolant, 120V
Heater, engine coolant, 240V
Film (ANSI) (Tier 4 Final/Stage IV)
EU certification (Tier 4 Final/Stage IV)
Plate – year of manufacture (Tier 3/Stage III Equivalent)