825K Soil Compactor

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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.
  • Standard Equipment
  • Optional Equipment
  • Specs

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)

Specs

Overview

Long Name:
825K Soil Compactor
Name:
825K
Brand:
Caterpillar
Status:
Current

Engine

Engine Model:
Cat® C15 ACERT™
Net Power:
405 HP / 302 kW

Operating Specifications

Operating Weight:
78326 lb / 35528 kg

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 / 1032 mm
Maximum Depth of Cut:
1.97 ft / 602 mm
Maximum Lift Above Ground:
3.14 ft / 958 mm
Moldboard - Length:
14.4 ft / 4390 mm
Total Tilt Adjustment:
2.9 ft / 890 mm
Width - Over End Bits:
15.18 ft / 4628 mm

Brakes

Parking Brake:
Drum and Shoe, Spring Applied, Hydraulic Released

Cab - Standard

Machine Sound Level (ISO 6395):
113 dB(A) / 113 dB(A)
Operator Sound Level - ISO 6396:
73 dB(A) / 73 dB(A)

Cab - Suppression

Machine Sound Level (ISO 6395):
110 dB(A) / 110 dB(A)
Operator Sound Level - ISO 6396:
72 dB(A) / 72 dB(A)

Dimensions (Approximate)

Centerline of Rear Axle to Edge of Counterweight:
9.3 ft / 2830 mm
Ground Clearance:
1.6 ft / 492 mm
Ground Clearance - Bumper:
2.7 ft / 810 mm
Height - ROPS/Canopy:
13.3 ft / 4059 mm
Height - Top of Beacon:
14.4 ft / 4381 mm
Height - Top of Exhaust Pipe:
14.1 ft / 4290 mm
Height - Top of Hood:
10.4 ft / 3162 mm
Hitch to Centerline of Front Axle:
6.1 ft / 1850 mm
Length - With Blade on Ground:
28.1 ft / 8561 mm
Turning Radius - Inside of Push Arms:
8.6 ft / 2627 mm
Wheel Base:
12.1 ft / 3700 mm
Width - Over Wheels:
11.98 ft / 3650 mm

Engine

Bore:
5.4 in / 137.2 mm
Displacement:
927.6 in³ / 15.2 l
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 / 324 kW
High Idle Speed:
2300 r/min / 2300 r/min
Low Idle Speed:
800 r/min / 800 r/min
Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent):
9098 ft / 2773 m
Maximum Altitude - Without Derating (Tier 4 Final/Stage IV):
9298 ft / 2834 m
Maximum Net Torque - 1,300 rpm:
1478.8 lb/ft / 2005 N·m
Net Power - Converter Drive - Gross Power:
435 HP / 324 kW
Net Power - Converter Drive - Torque Rise:
8.5%
Net Power - Direct Drive - Gross Power:
412 HP / 307 kW
Net Power - Direct Drive - Torque Rise:
33%
Rated Power (Net ISO 9249):
405 HP / 302 kW
Rated Power (Net SAE J1349):
405 HP / 302 kW
Stroke:
6.7 in / 171.4 mm

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 / 24100 kPa
Maximum Supply Pressure:
3495 psi / 24100 kPa
Pump Flow at 1,800 rpm:
30.9 gal/min / 117 l/min

Hydraulic System - Steering

Bore:
4.5 in / 114.3 mm
Maximum System Flow:
170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
Steering Pressure Limited:
3481 psi / 24000 kPa
Steering System - Circuit:
Double Acting – End Mounted
Steering System - Pump:
Piston – Variable Displacement
Stroke:
22.7 in / 576 mm
Vehicle Articulation Angle:
86 degrees

Operating Specifications

Operating Weight - Tier 3 Final/Stage IIIA Equivalent:
77340 lb / 35081 kg
Operating Weight - Tier 4 Final/Stage IV:
78326 lb / 35528 kg

Service Refill Capacities

Cooling System:
30.6 gal (US) / 116 l
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV):
8.5 gal (US) / 32 l
Differential - Final Drives - Front:
26.4 gal (US) / 100 l
Differential - Final Drives - Rear:
29.1 gal (US) / 110 l
Engine Crankcase:
9 gal (US) / 34 l
Fuel Tank:
206.6 gal (US) / 782 l
Hydraulic Tank Only:
35.4 gal (US) / 134 l
Transmission:
17.4 gal (US) / 66 l

Transmission

Transmission Type:
Planetary – Powershift – ECPC
Travel Speeds - Forward - First:
3.4 mile/h / 5.5 km/h
Travel Speeds - Forward - Second:
6 mile/h / 9.7 km/h
Travel Speeds - Forward - Third:
10.7 mile/h / 17.2 km/h
Travel Speeds - Reverse - First:
3.9 mile/h / 6.2 km/h
Travel Speeds - Reverse - Second:
6.9 mile/h / 11.1 km/h
Travel Speeds - Reverse - Third:
12.2 mile/h / 19.7 km/h

Wheels

Drum Diameter:
4.3 ft / 1299 mm
Drum Width:
3.7 ft / 1125 mm
Outside Diameter:
5.5 ft / 1672 mm
Tips per Wheel:
65
Weight:
16167 lb / 7333 kg
Width - Over Drums:
11.98 ft / 3650 mm