824 Wheel Dozer

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

Engine Model Cat® C15
Net Power - SAE J1349:2011 405hp
Net Power - ISO 9249:2007 405hp
Rated Speed 1800r/min
Engine Power - ISO 14396:2002 426hp
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
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.

Operating Specifications

Operating Weight – Straight Blade (Tier 4 Final/Stage V) 74966lb

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 44.9gal/min
Relief Valve Setting - Steering 3481psi
Vehicle Articulation Angle 86°

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)
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

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

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 - 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.

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 Rear Axle to Edge of Bumper 9.28ft
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 10.94ft
Ground Clearance 1.8ft

Straight Blade

Capacity 6.6yd³
Width Over End Bits 177.4in
Height 48.4in
Dig Depth 17.6in
Ground Clearance 41.6in
Maximum Tilt 45.9in
Turning Radius – Outside Corner of Blade 23.7ft
Turning Radius – Inside Corner of Blade 10.15ft

Straight Push Plate Blade

Capacity 6.6yd³
Width Over End Bits 177.4in
Height 48.4in
Dig Depth 17.6in
Ground Clearance 41.6in
Maximum Tilt 45.9in
Turning Radius – Outside Corner of Blade 23.2ft
Turning Radius – Inside Corner of Blade 10.2in³

Semi-Universal Blade

Capacity 10yd³
Width Over End Bits 174.1in
Height 61.1in
Dig Depth 18.8in
Ground Clearance 42in
Maximum Tilt 44.1in
Turning Radius – Outside Corner of Blade 23.8ft
Turning Radius – Inside Corner of Blade 10.8ft

Universal Blade

Capacity 10yd³
Width Over End Bits 171.3in
Height 53.1in
Dig Depth 18.1in
Ground Clearance 41.4in
Maximum Tilt 44.6in
Turning Radius – Outside Corner of Blade 23.9ft
Turning Radius – Inside Corner of Blade 11.3ft

Coal Blade

Capacity 21.2yd³
Width Over End Bits 189in
Height 68.7in
Dig Depth 18.6in
Ground Clearance 42.2in
Maximum Tilt 48.9in
Turning Radius – Outside Corner of Blade 24.9ft
Turning Radius – Inside Corner of Blade 11.4ft

Extended Wear Blade

Capacity 10.6yd³
Width Over End Bits 171.6in
Height 53.1in
Dig Depth 18.1in
Ground Clearance 41.4in
Maximum Tilt 44.6in
Turning Radius – Outside Corner of Blade 23.9ft
Turning Radius – Inside Corner of Blade 11.4ft

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 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
  • Efficiency
    • Hydraulically driven demand fan
  • Powertrain
    • 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
  • Cold Weather
    • Starting aid (ether) automatic
    • Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
  • 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)
  • 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 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)
  • Other
    • 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
  • Service
    • 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

Optional Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Operator Environment
    • Radio, AM/FM/AUX/USB/Bluetooth®
  • Other
    • Counterweight, front
  • Sound
    • Sound suppression
  • Electrical
    • Lighting system, LED
  • Service
    • Tire Pressure Monitoring System
    • Dual stage engine precleaner
  • Cold Weather
    • Heater, engine coolant, 120V
    • Heater, engine coolant, 240V
    • Antifreeze, –50° C (–58° F)
    • Arctic hydraulic oil
    • Mirrors, heated
  • Powertrain
    • No-spin rear axle