824 Wheel Dozer

Cat Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to support your job site efficiently and safely while lowering owning and operating costs. The 824 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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Engine

Engine Model

Cat® C15

Rated Speed

1800r/min

Net Power - SAE J1349:2011

405hp

Net Power – ISO 9249:2007

405hp

Engine Power - ISO 14396:2002

425hp

Gross Power - SAE J1995:2014

434hp

Peak Net Torque (1,300 rpm)

1479lbf·ft

Torque Rise

33%

Maximum Altitude without Derating (U.S. EPA Tier 4 Final/EU Stage V)

9298ft

Maximum Altitude without Derating (U.S. EPA Tier 3/EU Stage IIIA)

9098ft

Bore

5.4in

Stroke

6.7in

Displacement

927.6in³

High Idle Speed

2300r/min

Low Idle Speed

800r/min

Emissions

Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emissions standards. The other meets Brazil MAR-1 emission standards, emitting equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Note (1)

Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.

Note (2)

Two emission configurations are available. One meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emissions standards. The other meets Brazil MAR-1 emission standards, emitting equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Operating Specifications

Operating Weight – Straight Blade (Tier 4 Final/Stage V)

74966lb

Chip Scoop Operating Weight

83820lb

Coal Scoop Operating Weight

80756lb

Transmission

Transmission Type

Cat planetary - powershift - ECPC

Forward - 1

3.8mile/h

Forward - 2

6.9mile/h

Forward - 3

12.2mile/h

Forward - 4

21.6mile/h

Reverse - 1

4.3mile/h

Reverse - 2

7.8mile/h

Reverse - 3

13.9mile/h

Reverse - 4

24.7mile/h

Hydraulic System - Lift/Tilt

Pump Flow at 1,800 rpm

30.9gal/min

Main Relief Pressure

3771psi

Maximum Supply Pressure

3495psi

Cylinders, Double Acting - Lift, Bore and Stroke

120 mm × 1070 mm (4.7 in × 42.1 in)

Cylinder, Double Acting - Tilt and Tip, Bore and Stroke

140 mm × 230 mm (5.5 in × 9.1 in)

Hydraulic System - Steering

Steering System - Circuit

Pilot operated, load sensing

Bore

4.5in

Stroke

22.7in

Steering System - Pump

Variable displacement piston

Max Flow at 1,800 rpm

22.5gal/min

Relief Valve Setting - Steering

3481psi

Vehicle Articulation Angle

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 (For Tier 4 Final/Stage V Only)

8.5gal (US)

Differential - Final Drives - Front

26.4gal (US)

Differential - Final Drives - Rear

29.1gal (US)

Hydraulic Tank Only

35.4gal (US)

Hydraulic System - Implement/Steering

56.5gal (US)

AC Refrigerant

20 hg

AC Oil

4.94fl oz (US)

Note (1)

All nonroad Tier 4 Final, EU Stage V, and Japan 2014 (Tier 4 Final) diesel engines are required to use:– Ultra low sulfur diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less.– Cat engines are compatible with the following renewable, alternati

Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.0 kg of refrigerant which has a CO2 equivalent of 2.86 metric tonnes.

Axles

Front

Planetary – Fixed

Rear

Planetary – Oscillating

Oscillation Angle

±11°

Braking System

Parking Brake

Drum and shoe, spring applied, hydraulic released

Brakes

Multi-disc wet (enclosed) 4 WHL

Sound Performance - Standard

Operator Sound Level (ISO 6396:2008)

73dB(A)

Machine Sound Level (ISO 6395:2008)

113dB(A)

Sound Performance - Suppression

Operator Sound Level (ISO 6396:2008)

72dB(A)

Machine Sound Level (ISO 6395:2008)

110dB(A)

Dimensions (Approximate)

Height to Top of Beacon

14.5ft

Height - Top of Exhaust Stack

14.2ft

Height - Top of Hood

10.5ft

Ground Clearance - Bumper

2.8ft

Centerline of Front Axle to Hitch

6.1ft

Wheel Base

12.1ft

Length - With Blade on Ground - Straight Blade

27.6ft

Ground Clearance to Trunnion

1.45ft

Height - Top of Cab

13.5ft

Width Over Guardrails

11.04ft

Ground Clearance

1.8ft

Scoops

Coal Scoop Carry Capacity

17.5yd³

Coal Scoop Doze Capacity

35yd³

Chip Scoop Carry Capacity

27yd³

Chip Scoop Doze Capacity

54yd³

Standard Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Safety
- Camera, rear vision
- Alarm, back-up
- Light, warning switched (LED beacon)
- Lighting, access stairway
- Cab Integrated Object Detection System (CIODS) ready
- Mirror, internal (panoramic)
- Mirrors, rearview (externally mounted)
- Seat belt with minder, retractable, 76 mm (3 in) wide
- STIC control system with lockout
- Emergency platform egress
- Stairway, left and right rear access
- Toe kicks
Efficiency
- Hydraulically driven demand fan
Power Train
- Air to air aftercooler
- Auto shift
- Brakes, full hydraulic, enclosed, wet multiple disc service brakes
- Cat clean emission module (Tier 4 Final/Stage V equivalent)
- Electro-hydraulic parking brake
- Electronic Clutch Pressure Control (ECPC)
- Engine, Cat C15 - U.S. EPA Tier 4 Final/EU Stage V/Korea Stage V and Japan 2014 emissions standards or Brazil MAR-1 emission standards, emitting equivalent to U.S. EPA Tier 3 and EU Stage IIIA
- Fuel priming pump (electric)
- Fuel to air cooler
- Integrated braking system
- Muffler (under hood) (Tier 3/Stage IIIA)
- Radiator, Aluminum Modular (AMR)
- Separated cooling system
- Single Clutch Speed Shifting (SCSS)
- Throttle lock
- Torque converter with Lock Up Clutch (LUC)
- Transmission, planetary, with 4F/4R speed range control
Electrical
- Alternator, 150 amp
- Batteries, maintenance-free (4 – 1,000 CCA)
- Electrical system, 24V
- Lighting system, halogen (front and rear)
- Lights, directional (rear)
- Starter, electric (heavy duty)
- Starting receptacle for emergency start
Operator Environment
- Radio, CB (ready)
- 12V power port for mobile phone or laptop connection
- Air conditioner
- Cab, sound-suppressed pressurized, internal four-post rollover protective structure/ falling objects protective structure (ROPS/ FOPS), radio ready for entertainment includes antenna, speakers, converter (12-volt 10/15-amp), and power port
- Cab door, sliding window (LH)
- 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 V) – 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
- Cab precleaner, powered
- Light, (dome) cab
- Lunch box and beverage holders
- Seat, premium plus containing forced air heating and cooling, two-way thigh adjustment, power lumbar and back bolster adjustment, ride stiffness adjustment, dynamic end dampening, and leather finish
- Sun visor, front
- Rubber mounted, laminated, 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)
Cold Weather
- Starting aid (ether) automatic
- Mirrors, heated
- Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
Other
- Guard, driveshaft
- Guards, crankcase and power train
Other Standard Equipment
- Fold down exhaust stack for shipping
- Fuel tank, 782 L (207 gal)
- Hitch, drawbar with pin
- Hoses, Cat XT
- Hydraulic, engine, and transmission oil coolers
- Secondary steering
- Steering, load sensing
- Vandalism protection caplocks
- Venturi stack
Service
- Ground level engine shutoff
- Ground level lockable master disconnect switch
- Doors, service access (locking)
- Ecology drains for engine, radiator, transmission, hydraulic tank
- Engine, crankcase, 500 hour interval with CJ-4 oil
- Engine precleaner
- Fire suppression ready
- Oil change system, high speed
- Oil sampling valves
- Product Link
- Total hydraulic filtration system

Optional Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Operator Environment
- Radio, AM/FM/AUX/USB/BLUETOOTH
Blades
- Blade, Straight
- Blade, Straight with Push Plate
- Blade, Semi-U
- Blade, U
- Blade, Extended Wear U
- Blade, Coal U
Cold Weather
- Heater, engine coolant, 120V
- Heater, engine coolant, 240V
- Antifreeze, –50° C (–58° F)
Other
- Counterweight, Front
Miscellaneous
- Film (ANSI) (Tier 4 Final/Stage V equivalent)
- EU certification (Tier 4 Final/Stage V equivalent)
- Plate – year of manufacture (Tier 3/Stage IIIA equivalent)
Service
- Tire Pressure Monitoring System
- Dual stage engine precleaner
Power Train
- No-spin rear axle

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