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.
Caterpillar
825K Soil Compactor
Overview
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Exterior
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Interior
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Specifications
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Engine
Spec Value Engine Model C15 Cat® 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 Net Power - Converter Drive - Torque Rise 8,5% 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 -
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) -
Operating Specifications
Spec Value Operating Weight - Tier 3 Final/Stage IIIA Equivalent 77340 lb Operating Weight - Tier 4 Final/Stage IV 78326 lb -
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) 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) -
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)