Cat wheel dozers are designed with durability built in, ensuring maximum availability through multiple lifecycles. With optimized performance and simplified serviceability, our machines allow you to support your jobsite 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
Operating Weight – Straight Blade (Tier 4 Final/Stage V) 74966 lb
Net Power - SAE J1349:2011 405 hp
Net Power - ISO 9249:2007 405 hp
Bore 5.4in
Displacement 927.6in³
Engine Model Cat® C15
Engine Power - ISO 14396:2002 426hp
Gross Power - SAE J1995:2014 434hp
High Idle Speed 2300r/min
Low Idle Speed 800r/min
Maximum Altitude without Derating (U.S. EPA Tier 3/EU Stage IIIA) 9098ft
Maximum Altitude without Derating (U.S. EPA Tier 4 Final/EU Stage V) 9298ft
Net Power - ISO 9249:2007 405hp
Net Power - SAE J1349:2011 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.
Note (2) Two engine 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.
Peak Net Torque (1,300 rpm) 1479lbf·ft
Rated Speed 1800r/min
Stroke 6.7in
Torque Rise 33%
Operating Weight – Straight Blade (Tier 4 Final/Stage V) 74966lb
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)
Main Relief Pressure 3771psi
Maximum Supply Pressure 3495psi
Pump Flow at 1,800 rpm 30.9gal/min
Bore 4.5in
Max Flow at 1,800 rpm 44.9gal/min
Relief Valve Setting - Steering 3481psi
Steering System - Circuit Pilot operated, load sensing
Steering System - Pump Variable displacement piston
Stroke 22.7in
Vehicle Articulation Angle 86°
Cooling System 30.6gal (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)
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, alternative
Transmission 17.4gal (US)
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
Front Planetary – Fixed
Oscillation Angle ±11°
Rear Planetary – Oscillating
Brakes Multi-disc wet (enclosed) 4 WHL
Parking Brake Drum and shoe, spring applied, hydraulic released
Machine Sound Power Level (ISO 6395:2008) 113dB(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.
Operator Sound Pressure Level (ISO 6396:2008) 73dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72dB(A)
Machine Sound Power Level (ISO 6395:2008) 113dB(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.
Operator Sound Pressure Level (ISO 6396:2008) 73dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72dB(A)
Centerline of Front Axle to Hitch 6.1ft
Centerline of Rear Axle to Edge of Bumper 9.28ft
Ground Clearance 1.8ft
Ground Clearance - Bumper 2.8ft
Ground Clearance to Trunnion 1.45ft
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
Width Over Guardrails 10.94ft
Capacity 6.6yd³
Dig Depth 17.6in
Ground Clearance 41.6in
Height 48.4in
Maximum Tilt 45.9in
Turning Radius – Inside Corner of Blade 10.15ft
Turning Radius – Outside Corner of Blade 23.7ft
Width Over End Bits 177.4in
Capacity 6.6yd³
Dig Depth 17.6in
Ground Clearance 41.6in
Height 48.4in
Maximum Tilt 45.9in
Turning Radius – Inside Corner of Blade 10.2in³
Turning Radius – Outside Corner of Blade 23.2ft
Width Over End Bits 177.4in
Capacity 10yd³
Dig Depth 18.8in
Ground Clearance 42in
Height 61.1in
Maximum Tilt 44.1in
Turning Radius – Inside Corner of Blade 10.8ft
Turning Radius – Outside Corner of Blade 23.8ft
Width Over End Bits 174.1in
Capacity 10yd³
Dig Depth 18.1in
Ground Clearance 41.4in
Height 53.1in
Maximum Tilt 44.6in
Turning Radius – Inside Corner of Blade 11.3ft
Turning Radius – Outside Corner of Blade 23.9ft
Width Over End Bits 171.3in
Capacity 21.2yd³
Dig Depth 18.6in
Ground Clearance 42.2in
Height 68.7in
Maximum Tilt 48.9in
Turning Radius – Inside Corner of Blade 11.4ft
Turning Radius – Outside Corner of Blade 24.9ft
Width Over End Bits 189in
Capacity 10.6yd³
Dig Depth 18.1in
Ground Clearance 41.4in
Height 53.1in
Maximum Tilt 44.6in
Turning Radius – Inside Corner of Blade 11.4ft
Turning Radius – Outside Corner of Blade 23.9ft
Width Over End Bits 171.6in
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
Cat Detect: Object Detection (ready)
Mirror, internal (panoramic)
Mirrors, rearview (externally mounted)
Seat belt with minder, retractable, 76 mm (3 in) wide
Steering and Transmission Integrated Control (STIC™) 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)
Electro-hydraulic parking brake
Electronic Clutch Pressure Control (ECPC)
Engine, Cat C15 meets Tier 4 Final/Stage V emission standards, or emits equivalent to U.S. EPA Tier 3/EU Stage IIIA 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
Starting aid (ether) automatic
Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
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)
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 tip controls
Fingertip shifting controls
Flip-up armrest
Heater and defroster
Horn, electric
Implement hydraulic lockout
Instrumentation, gauges: – Diesel exhaust fluid (DEF) level (U.S. EPA 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)
Guard, driveshaft
Guards, crankcase and powertrain
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
Vandalism protection caplocks
Venturi stack
Ground level engine shutdown switch
Ground level lockable master disconnect switch
Auxiliary start receptacle
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™
Lighting underhood
Total hydraulic filtration system
Standard and optional equipment may vary. Consult your Cat dealer for details.
Radio, AM/FM/AUX/USB/Bluetooth®
Counterweight, front
Sound suppression
Lighting system, LED
Tire Pressure Monitoring System
Dual stage engine precleaner
Heater, engine coolant, 120V
Heater, engine coolant, 240V
Antifreeze, –50° C (–58° F)
Arctic hydraulic oil
Mirrors, heated
No-spin rear axle
