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825K Soil Compactor

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

Engine Model

C15 Cat

Net Power

405HP

Bore

5.4in

Displacement

927.6in³

Rated Power (Net ISO 9249)

405HP

Maximum Net Torque - 1,300 rpm

1478.8lb/ft

Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)

9298ft

Net Power - Converter Drive - Gross Power

435HP

Net Power - Converter Drive - Torque Rise

8,5%

High Idle Speed

2300r/min

Rated Power (Net SAE J1349)

405HP

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

800r/min

Net Power - Direct Drive - Torque Rise

33%

Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)

9098ft

Net Power - Direct Drive - Gross Power

412HP

Gross Power

435HP

Stroke

6.7in

Operating Specifications

Operating Weight

78326lb

Operating Weight - Tier 3 Final/Stage IIIA Equivalent

77340lb

Operating Weight - Tier 4 Final/Stage IV

78326lb

Service Refill Capacities

Engine Crankcase

9gal (US)

Hydraulic Tank Only

35.4gal (US)

Differential - Final Drives - Rear

29.1gal (US)

Fuel Tank

206.6gal (US)

Differential - Final Drives - Front

26.4gal (US)

Transmission

17.4gal (US)

Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)

8.5gal (US)

Cooling System

30.6gal (US)

Transmission

Travel Speeds - Reverse - First

3.9mile/h

Travel Speeds - Forward - First

3.4mile/h

Travel Speeds - Reverse - Third

12.2mile/h

Travel Speeds - Reverse - Second

6.9mile/h

Travel Speeds - Forward - Third

10.7mile/h

Transmission Type

Planetengetriebe ? Lastschaltgetriebe ? ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)

Travel Speeds - Forward - Second

6mile/h

Cab - Standard

Machine Sound Level (ISO 6395)

113dB(A)

Operator Sound Level - ISO 6396

73dB(A)

Dimensions (Approximate)

Ground Clearance

1.6ft

Length - With Blade on Ground

28.1ft

Height - Top of Exhaust Pipe

14.1ft

Hitch to Centerline of Front Axle

6.1ft

Turning Radius - Inside of Push Arms

8.6ft

Centerline of Rear Axle to Edge of Counterweight

9.3ft

Wheel Base

12.1ft

Ground Clearance - Bumper

2.7ft

Height - Top of Beacon

14.4ft

Height - ROPS/Canopy

13.3ft

Height - Top of Hood

10.4ft

Width - Over Wheels

11.98ft

Axles

Oscillation Angle

?8?

Rear

Planetary ? Oscillating

Front

Planetary ? Fixed

Hydraulic System

Maximum Supply Pressure

3495psi

Main Relief Pressure

3495psi

Cylinders, Double Acting - Tilt, Bore and Stroke

95.25 mm ? 216 mm (3.75 in ? 8.5 in)

Pump Flow at 1,800 rpm

30.9gal/min

Cylinders, Double Acting - Lift, Bore and Stroke

120 mm ? 1070 mm (4.7 in ? 42.1 in)

Blades

Total Tilt Adjustment

2.9ft

Maximum Lift Above Ground

3.14ft

Moldboard - Length

14.4ft

Blade Tilt Angle - Left - Mechanical

4,1?

Width - Over End Bits

15.18ft

Blade Tilt Angle - Left - Hydraulic

5,4?

Blade Tip Angle - Total

14,8?

Maximum Depth of Cut

1.97ft

Height - Including Cutting Edge

3.4ft

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

Maximum System Flow

170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)

Stroke

22.7in

Steering System - Circuit

Double Acting ? End Mounted

Vehicle Articulation Angle

86 degrees

Bore

4.5in

Steering Pressure Limited

3481psi

Steering System - Pump

Piston ? Variable Displacement

Wheels

Weight

16167lb

Drum Width

3.7ft

Drum Diameter

4.3ft

Tips per Wheel

65

Width - Over Drums

11.98ft

Outside Diameter

5.5ft

Cab - Suppression

Operator Sound Level - ISO 6396

72dB(A)

Machine Sound Level (ISO 6395)

110dB(A)

Braking System

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)

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