825 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 825 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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Engine

Gross Power (SAE J1995:2014)

435hp

Net Power (SAE J1349:2011)

405hp

Net Power (ISO 9249:2007)

405hp

Engine Power (ISO 14396:2002)

426hp

Engine Model

Cat® C15

Emissions

U.S. EPA Tier 4 Final / EU Stage V/Korea Stage V and Japan 2014 or Brazil MAR-1, emitting equivalent to U.S. EPA Tier 3/EU Stage IIIA

Rated Speed

1800r/min

Peak Net Torque (1,300) rpm)

1479lbf·ft

Torque Rise

33%

Bore

5.4in

Stroke

6.7in

Displacement

927.6in³

High Idle Speed

2300r/min

Low Idle Speed

800r/min

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

9298ft

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

9098ft

Note

Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Operating Specifications

Maximum Operating Weight (Tier 4 Final/Stage V)

78326lb

Maximum Operating Weight (Tier 3/Stage IIIA equivalent)

77340lb

Transmission

Transmission Type

Planetary - Powershift - ECPC

Travel Speeds - Forward - First

3.4mile/h

Travel Speeds - Forward - Second

6.4mile/h

Travel Speeds - Forward - Third

11.1mile/h

Travel Speeds - Reverse - First

4.1mile/h

Travel Speeds - Reverse - Second

7.3mile/h

Travel Speeds - Reverse - Third

12.2mile/h

Hydraulic System

Pump Flow at 1,800 rpm

30.9gpm

Main Relief Pressure

3771psi

Maximum Supply Pressure

3495psi

Cylinders, Double Acting - Lift, Bore and Stroke

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

Cylinders, Double Acting - Tilt, Bore and Stroke

95.25 mm x 215 mm (3.75 in x 8.5 in)

Service Refill Capacities

Cooling System

30.6gal (US)

Engine Crankcase

9gal (US)

Transmission

17.4gal (US)

Fuel Tank

206.6gal (US)

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

8.5gal (US)

Differential - Final Drives - Front

26.4gal (US)

Differential - Final Drives - Rear

29.1gal (US)

Hydraulic Tank Only

35.4gal (US)

Note

Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: • 20% biodiesel FAME (fatty acid methyl ester) * • 100% renewable diesel, H

Axles

Front

Planetary - Fixed

Rear

Planetary - Oscillating

Oscillation Angle

± 8 °

Braking System

Service Brakes

Multi Disc Wet (Enclosed) 2 WHL

Parking Brake

Drum and Shoe, Spring Applied, Hydraulic Released

Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system co

Sound Performance - Tier 4 Final / Stage V

Operator Sound Pressure Level (ISO 6396:2008)

73dB(A)

Machine Sound Power Level (ISO 6395:2008)

113dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*

72dB(A)

Machine Sound Power Level (ISO 6395:2008)**

110dB(A)

Note (1)

* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”

Note (2)

** European Union Directive “2000/14/EC” as amended by “2005/88/EC.” and UK Noise Regulation 2001 No. 1701

Note (3)

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (4)

The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (5)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Sound Performance - Tier 3 / Stage IIIA

Operator Sound Pressure Level (ISO 6396:2008)

73dB(A)

Machine Sound Power Level (ISO 6395:2008)

113dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*

72dB(A)

Machine Sound Power Level (ISO 6395:2008)**

110dB(A)

Note (1)

* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”

Note (2)

** European Union Directive “2000/14/EC” as amended by “2005/88/EC.” and UK Noise Regulation 2001 No. 1701

Note (3)

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (4)

The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (5)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Hydraulic System - Steering

Steering System - Circuit

Pilot operated, load sensing

Bore

4.5in

Stroke

22.7in

Steering System - Pump

Piston - Variable Displacement

Maximum System Flow

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

Steering Pressure Limited

3481lb/in²

Vehicle Articulation Angle

86 degrees

Blades

Moldboard - Length

14.4ft

Height - Including Cutting Edge

3.4ft

Maximum Depth of Cut

1.97ft

Maximum Lift Above Ground

3.14ft

Blade Tip Angle - Total

14.8°

Blade Tip Angle - Forward

7.3°

Blade Tip Angle - Back

7.5°

Blade Tilt Angle - Right - Mechanical

5.1°

Blade Tilt Angle - Left - Mechanical

4.1°

Blade Tilt Angle - Right - Hydraulic

6.3°

Blade Tilt Angle - Left - Hydraulic

5.4°

Blade Tilt Angle - Right Full

10.8°

Blade Tilt Angle - Left Full

10.1°

Total Tilt Adjustment

2.9ft

Width - Over End Bits

15.18ft

Wheels

Weight

16167lb

Outside Diameter

5.5ft

Drum Diameter

4.3ft

Drum Width

3.7ft

Tips per Wheel

Width - Over Drums

11.97ft

Wheels - High Impact

Weight

16610lb

Outside Diameter

5.5ft

Drum Diameter

4.3ft

Drum Width

3.8ft

Tips per Wheel

Width over Drums

11.97ft

Dimensions (Approximate)

Height - Top of Beacon

14.5ft

Height - Top of Cab Roof

13.4ft

Height - Top of Exhaust Pipe

14.1ft

Height to Top of Hood

10.5ft

Ground Clearance - Bumper

2.8ft

Ground Clearance

1.7ft

Ground Clearance to Trunnion

1.47ft

Length - With Blade on Ground

28ft

Centerline of Rear Axle to Bumper

9.3ft

Hitch to Centerline of Front Axle

6.1ft

Wheel Base

12.2ft

Width - Over Wheels

11.12ft

Standard Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat^® dealer for details.
Powertrain
- Advanced Productivity Electronic Control System (APECS)
- Air-to-air aftercooler
- Brakes, full hydraulic, enclosed, wet multiple disc service brakes
- Cat Clean Emissions Module (U.S. EPA Tier 4 Final/EU Stage V only)
- Electro-hydraulic parking brake
- Electronic Clutch Pressure Control (ECPC)
- Engine, Cat C15 configured for two emissions options: Tier 4 Final/Stage V, or emitting equivalent to Tier 3/Stage IIIA
- Fuel priming pump (electric)
- Fuel-to-air cooler
- Ground-level engine shutdown
- Muffler (under hood) (Tier 3/Stage IIIA equivalent only)
- Radiator, aluminum modular radiator (AMR)
- Starting aid (ether)
- Throttle lock
- Torque converter with lockup clutch (LUC)
- Transmission, planetary, with 3F/3R speed range control
- Axles: – Standard or no-spin rear
Electrical
- Alarm, back-up
- Alternator, 150 amp
- Batteries, maintenance-free (4-1,000 CCA)
- Electrical system, 24V
- Ground-level lockable master disconnect switch
- Lights, directional (rear)
- Light, warning switched (LED strobe)
- Lighting system LED, (front and rear)
- Starter, electric (heavy duty)
- Auxiliary start receptacle
Operator Environment
- 12V power port for mobile phone or laptop connection
- Air conditioner
- Cab, sound-suppressed pressurized
- Cab door, sliding window (LH)
- Cat Compaction Control (ready)
- Cat Detect: Object Detection (ready)
- Coat and hard hat hooks
- Fingertip shifting controls
- Flip-up armrest
- Heater and defroster
- Horn, electric
- Hydraulic controls - seat mounted
- Implement hydraulic lockout
- Instrumentation, gauges: – Diesel exhaust fluid (DEF) level (Tier 4 Final/Stage V only) – 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
- Light, (dome) cab
- Lunchbox and beverage holders
- Mirror, internal (panoramic)
- Mirrors standard or heated, rearview (externally mounted)
- Radio ready for entertainment: – Antenna – Speakers – Converter (12V, 10-15 amp)
- Premium plus seat containing forced air heating and cooling, 2-way thigh adjustment, power lumbar and back bolster adjustment, ride stiffness adjustment, dynamic end dampening, and leather finish
- Seat belt with minder, retractable, 76 mm (3 in) wide
- Steering and Transmission Integrated Control (STIC^™) system with lockout
- Transmission gear (indicator)
- Vital Information Management System (VIMS^™): – Graphical information display – External data port – Customizable operator profiles – Event indicator light on rear grill
- Wet-arm wipers/washers (front and rear): – Intermittent wipers (front and rear)
- Glass (window) - rubber-mounted glass
- Precleaner, cab powered
Wheels And Cleaner Bars
- Cleaner bars with teeth
Guards
- Guards, crankcase and powertrain
- Guard, driveshaft
Fluids
- Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
Other Standard Equipment
- Doors, service access (locking)
- Ecology drains for engine, radiator, transmission, hydraulic tank
- Engine, crankcase, 500 hour interval with CJ-4 oil
- Emergency platform egress
- Fire suppression ready
- Fuel tank, fast fill, 782 L (207 gal)
- Hitch, drawbar with pin
- Hoses, Cat XT^™
- Hydraulic, engine, and transmission oil coolers
- Oil change system, high speed
- Oil sampling valves
- Steering, load sensing
- Total hydraulic filtration system
- Vandalism protection caplocks
- Venturi stack
Technology Products
- Product Link^™: – cellular, satellite

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)
Powertrain
- Heater, engine coolant, 120V
- Heater, engine coolant, 240V
Miscellaneous
- CE/UKCA Certification (standard where regulations require it)
- Plate – year of manufacture
Special Arrangements
- Engine precleaners: – dual stage

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