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.
Engine Model Cat® C15
Rated Speed 1800 r/min
Net Power - ISO 9249 405 HP
Torque Rise 33
Bore 5.4in
Displacement 927.6in³
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.
Engine Model Cat® C15
Gross Power 435HP
Net Power - ISO 9249 405HP
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.
Rated Speed 1800r/min
Stroke 6.7in
Torque Rise 33
Chip Scoop Operating Weight 83820lb
Coal Scoop Operating Weight 80756lb
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
Transmission Type Cat planetary - powershift - ECPC
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in)
Cylinders, Double Acting - Lift, Bore and Stroke 120 mm × 1070 mm (4.7 in × 42.1 in)
Relief Valve Setting - Steering 3481psi
Steering System - Circuit Pilot operated, load sensing
Steering System - Pump Variable displacement piston
AC Oil 4.94fl oz (US)
AC Refrigerant 20
Cooling System 30.6gal (US)
Differential - Final Drives - Front 26.4gal (US)
Differential - Final Drives - Rear 29.1gal (US)
Engine Crankcase 9gal (US)
Fuel Tank 206.6gal (US)
Hydraulic System - Implement/Steering 56.5gal (US)
Hydraulic Tank Only 35.4gal (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
Transmission 17.4gal (US)
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.
Front Planetary – Fixed
Oscillation Angle ±11°
Rear Planetary – Oscillating
Parking Brake Drum and shoe, spring applied, hydraulic released
Machine Sound Level (ISO 6395:2008) 113dB(A)
Operator Sound Level (ISO 6396:2008) 73dB(A)
Machine Sound Level (ISO 6395:2008) 110dB(A)
Operator Sound Level (ISO 6396:2008) 72dB(A)
Centerline of Front Axle to Hitch 6.1ft
Ground Clearance 1.8ft
Ground Clearance - Bumper 2.8ft
Height - Top of Cab 13.5ft
Height - Top of Exhaust Stack 14.2ft
Height - Top of Hood 10.5ft
Height to Top of Beacon 14.5ft
Length - With Blade on Ground - Straight Blade 27.6ft
Wheel Base 12.1ft
Chip Scoop Carry Capacity 27yd³
Chip Scoop Doze Capacity 54yd³
Coal Scoop Carry Capacity 17.5yd³
Coal Scoop Doze Capacity 35yd³
Standard and optional equipment may vary. Consult your Cat dealer for details.
Camera, rear vision
Alarm, back-up
Light, warning switched (LED strobe)
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
Hydraulically driven demand fan
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 emitting equivalent to Tier 3/Stage IIIA or meets Tier 4 Final/Stage V emission standards
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
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
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)
Starting aid (ether) automatic
Mirrors, heated
Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
Guard, driveshaft
Guards, crankcase and power train
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
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
Standard and optional equipment may vary. Consult your Cat dealer for details.
Radio, AM/FM/AUX/USB/BLUETOOTH
Blade, Straight
Blade, Straight with Push Plate
Blade, Semi-U
Blade, U
Blade, Extended Wear U
Blade, Coal U
Heater, engine coolant, 120V
Heater, engine coolant, 240V
Antifreeze, –50° C (–58° F)
Counterweight, Front
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)
Tire Pressure Monitoring System
Dual stage engine precleaner
No-spin rear axle
