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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Engine
- Engine Model
- C15 Cat
- Net Power
- 405 hp
- Net Power - Direct Drive - Torque Rise
- 33%
- Low Idle Speed
- 800 r/min
- 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
- Displacement
- 927.6 in³
- Bore
- 5.4 in
- Gross Power
- 435 hp
- Stroke
- 6.7 in
- Net Power - Direct Drive - Gross Power
- 412 hp
- Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
- 9,098 ft
- Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
- 9,298 ft
- Net Power - Converter Drive - Gross Power
- 435 hp
- Maximum Net Torque - 1,300 rpm
- 1,478.8 lb/ft
- Rated Power (Net ISO 9249)
- 405 hp
- High Idle Speed
- 2,300 r/min
- Rated Power (Net SAE J1349)
- 405 hp
- Net Power - Converter Drive - Torque Rise
- 8,5%
Operating Specifications
- Operating Weight
- 78,326 lb
- Operating Weight - Tier 3 Final/Stage IIIA Equivalent
- 77,340 lb
- Operating Weight - Tier 4 Final/Stage IV
- 78,326 lb
Dimensions (Approximate)
- Height - ROPS/Canopy
- 13.3 ft
- Height - Top of Beacon
- 14.4 ft
- Ground Clearance - Bumper
- 2.7 ft
- Wheel Base
- 12.1 ft
- Centerline of Rear Axle to Edge of Counterweight
- 9.3 ft
- Turning Radius - Inside of Push Arms
- 8.6 ft
- Width - Over Wheels
- 11.98 ft
- Height - Top of Hood
- 10.4 ft
- Length - With Blade on Ground
- 28.1 ft
- Ground Clearance
- 1.6 ft
- Hitch to Centerline of Front Axle
- 6.1 ft
- Height - Top of Exhaust Pipe
- 14.1 ft
Axles
- Rear
- Planetary ? Oscillating
- Front
- Planetary ? Fixed
- Oscillation Angle
- ?8?
Hydraulic System
- Cylinders, Double Acting - Lift, Bore and Stroke
- 120 mm ? 1,070 mm (4.7 in ? 42.1 in)
- Maximum Supply Pressure
- 3,495 psi
- Main Relief Pressure
- 3,495 psi
- Pump Flow at 1,800 rpm
- 30.9 gal/min
- Cylinders, Double Acting - Tilt, Bore and Stroke
- 95.25 mm ? 216 mm (3.75 in ? 8.5 in)
Blades
- Blade Tip Angle - Forward
- 7,3?
- Height - Including Cutting Edge
- 3.4 ft
- Maximum Depth of Cut
- 1.97 ft
- Blade Tilt Angle - Right - Hydraulic
- 6,3?
- Blade Tilt Angle - Right Full
- 10,8?
- Blade Tilt Angle - Left Full
- 10,1?
- Blade Tip Angle - Back
- 7,5?
- Blade Tilt Angle - Right - Mechanical
- 5,1?
- Blade Tip Angle - Total
- 14,8?
- Moldboard - Length
- 14.4 ft
- Maximum Lift Above Ground
- 3.14 ft
- Total Tilt Adjustment
- 2.9 ft
- Blade Tilt Angle - Left - Mechanical
- 4,1?
- Blade Tilt Angle - Left - Hydraulic
- 5,4?
- Width - Over End Bits
- 15.18 ft
Hydraulic System - Steering
- Bore
- 4.5 in
- Vehicle Articulation Angle
- 86 degrees
- Steering System - Pump
- Piston ? Variable Displacement
- Steering Pressure Limited
- 3,481 psi
- Maximum System Flow
- 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
- Steering System - Circuit
- Double Acting ? End Mounted
- Stroke
- 22.7 in
Braking System
- Parking Brake
- Drum and Shoe, Spring Applied, Hydraulic Released
Wheels
- Width - Over Drums
- 11.98 ft
- Tips per Wheel
- 65
- Outside Diameter
- 5.5 ft
- Weight
- 16,167 lb
- Drum Diameter
- 4.3 ft
- Drum Width
- 3.7 ft
Service Refill Capacities
- Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
- 8.5 gal (US)
- Transmission
- 17.4 gal (US)
- Engine Crankcase
- 9 gal (US)
- Cooling System
- 30.6 gal (US)
- Fuel Tank
- 206.6 gal (US)
- Differential - Final Drives - Rear
- 29.1 gal (US)
- Hydraulic Tank Only
- 35.4 gal (US)
- Differential - Final Drives - Front
- 26.4 gal (US)
Transmission
- Travel Speeds - Forward - Second
- 6 mile/h
- Travel Speeds - Reverse - Third
- 12.2 mile/h
- Travel Speeds - Forward - First
- 3.4 mile/h
- Travel Speeds - Reverse - First
- 3.9 mile/h
- Transmission Type
- Planetengetriebe ? Lastschaltgetriebe ? ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
- Travel Speeds - Forward - Third
- 10.7 mile/h
- Travel Speeds - Reverse - Second
- 6.9 mile/h
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)
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)
Specifications
Engine
- Engine Model
- C15 Cat
- Net Power
- 405 hp
- Net Power - Direct Drive - Torque Rise
- 33%
- Low Idle Speed
- 800 r/min
- 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
- Displacement
- 927.6 in³
- Bore
- 5.4 in
- Gross Power
- 435 hp
- Stroke
- 6.7 in
- Net Power - Direct Drive - Gross Power
- 412 hp
- Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
- 9,098 ft
- Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
- 9,298 ft
- Net Power - Converter Drive - Gross Power
- 435 hp
- Maximum Net Torque - 1,300 rpm
- 1,478.8 lb/ft
- Rated Power (Net ISO 9249)
- 405 hp
- High Idle Speed
- 2,300 r/min
- Rated Power (Net SAE J1349)
- 405 hp
- Net Power - Converter Drive - Torque Rise
- 8,5%
Operating Specifications
- Operating Weight
- 78,326 lb
- Operating Weight - Tier 3 Final/Stage IIIA Equivalent
- 77,340 lb
- Operating Weight - Tier 4 Final/Stage IV
- 78,326 lb
Dimensions (Approximate)
- Height - ROPS/Canopy
- 13.3 ft
- Height - Top of Beacon
- 14.4 ft
- Ground Clearance - Bumper
- 2.7 ft
- Wheel Base
- 12.1 ft
- Centerline of Rear Axle to Edge of Counterweight
- 9.3 ft
- Turning Radius - Inside of Push Arms
- 8.6 ft
- Width - Over Wheels
- 11.98 ft
- Height - Top of Hood
- 10.4 ft
- Length - With Blade on Ground
- 28.1 ft
- Ground Clearance
- 1.6 ft
- Hitch to Centerline of Front Axle
- 6.1 ft
- Height - Top of Exhaust Pipe
- 14.1 ft
Axles
- Rear
- Planetary ? Oscillating
- Front
- Planetary ? Fixed
- Oscillation Angle
- ?8?
Hydraulic System
- Cylinders, Double Acting - Lift, Bore and Stroke
- 120 mm ? 1,070 mm (4.7 in ? 42.1 in)
- Maximum Supply Pressure
- 3,495 psi
- Main Relief Pressure
- 3,495 psi
- Pump Flow at 1,800 rpm
- 30.9 gal/min
- Cylinders, Double Acting - Tilt, Bore and Stroke
- 95.25 mm ? 216 mm (3.75 in ? 8.5 in)
Blades
- Blade Tip Angle - Forward
- 7,3?
- Height - Including Cutting Edge
- 3.4 ft
- Maximum Depth of Cut
- 1.97 ft
- Blade Tilt Angle - Right - Hydraulic
- 6,3?
- Blade Tilt Angle - Right Full
- 10,8?
- Blade Tilt Angle - Left Full
- 10,1?
- Blade Tip Angle - Back
- 7,5?
- Blade Tilt Angle - Right - Mechanical
- 5,1?
- Blade Tip Angle - Total
- 14,8?
- Moldboard - Length
- 14.4 ft
- Maximum Lift Above Ground
- 3.14 ft
- Total Tilt Adjustment
- 2.9 ft
- Blade Tilt Angle - Left - Mechanical
- 4,1?
- Blade Tilt Angle - Left - Hydraulic
- 5,4?
- Width - Over End Bits
- 15.18 ft
Hydraulic System - Steering
- Bore
- 4.5 in
- Vehicle Articulation Angle
- 86 degrees
- Steering System - Pump
- Piston ? Variable Displacement
- Steering Pressure Limited
- 3,481 psi
- Maximum System Flow
- 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
- Steering System - Circuit
- Double Acting ? End Mounted
- Stroke
- 22.7 in
Braking System
- Parking Brake
- Drum and Shoe, Spring Applied, Hydraulic Released
Wheels
- Width - Over Drums
- 11.98 ft
- Tips per Wheel
- 65
- Outside Diameter
- 5.5 ft
- Weight
- 16,167 lb
- Drum Diameter
- 4.3 ft
- Drum Width
- 3.7 ft
Service Refill Capacities
- Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
- 8.5 gal (US)
- Transmission
- 17.4 gal (US)
- Engine Crankcase
- 9 gal (US)
- Cooling System
- 30.6 gal (US)
- Fuel Tank
- 206.6 gal (US)
- Differential - Final Drives - Rear
- 29.1 gal (US)
- Hydraulic Tank Only
- 35.4 gal (US)
- Differential - Final Drives - Front
- 26.4 gal (US)
Transmission
- Travel Speeds - Forward - Second
- 6 mile/h
- Travel Speeds - Reverse - Third
- 12.2 mile/h
- Travel Speeds - Forward - First
- 3.4 mile/h
- Travel Speeds - Reverse - First
- 3.9 mile/h
- Transmission Type
- Planetengetriebe ? Lastschaltgetriebe ? ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
- Travel Speeds - Forward - Third
- 10.7 mile/h
- Travel Speeds - Reverse - Second
- 6.9 mile/h
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)
Standard/Optional Features
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)