CAT 824 Wheel Dozer

A powerful and highly durable wheel dozer designed for demanding surface mining, stockpiling, road maintenance, reclamation, cleanup, and general material handling applications. The CAT 824 combines the mobility of a wheeled machine with the pushing power of a large dozer, featuring a Cat C15 diesel engine producing 405 hp / 302 kW of net power and an operating weight of approximately 74,966 lb / 34,004 kg with a straight blade. With a choice of blade configurations, planetary powershift transmission, load-sensing steering, and heavy-duty structural components, the 824 delivers reliable production, excellent maneuverability, and long-term durability in demanding environments.

Specifications

Net Power: 405 hp / 302 kW Gross Power: 434 hp / 324 kW Operating Weight – Straight Blade: 74,966 lb / 34,004 kg Blade Capacity Range: 6.6–21.2 yd³ / 5.1–16.2 m³ Maximum Travel Speed – Forward: 21.6 mph / 34.8 km/h Maximum Travel Speed – Reverse: 24.7 mph / 39.7 km/h Vehicle Articulation Angle: 86° Rear Axle Oscillation: ±11° Maximum Altitude without Derating: 9,298 ft / 2,834 m

Engine

Engine Model: Cat C15 Engine Type: 6-Cylinder Turbocharged Diesel Displacement: 927.6 in³ / 15.2 L Net Power – SAE J1349: 405 hp / 302 kW Net Power – ISO 9249: 405 hp / 302 kW Engine Power – ISO 14396: 426 hp / 318 kW Gross Power – SAE J1995: 434 hp / 324 kW Rated Speed: 1,800 rpm High Idle Speed: 2,300 rpm Low Idle Speed: 800 rpm Peak Net Torque: 1,479 lb-ft / 2,005 Nm at 1,300 rpm Torque Rise: 33% Bore: 5.4 in / 137.2 mm Stroke: 6.7 in / 171.4 mm Emissions Configuration: U.S. EPA Tier 4 Final / EU Stage V Alternative Emissions Configuration: Tier 3 / Stage IIIA

Transmission

Transmission Type: Cat Planetary Powershift with ECPC Gears: 4 Forward / 4 Reverse Forward – 1st Gear: 3.8 mph / 6.1 km/h Forward – 2nd Gear: 6.9 mph / 11.1 km/h Forward – 3rd Gear: 12.2 mph / 19.6 km/h Forward – 4th Gear: 21.6 mph / 34.8 km/h Reverse – 1st Gear: 4.3 mph / 7.0 km/h Reverse – 2nd Gear: 7.8 mph / 12.6 km/h Reverse – 3rd Gear: 13.9 mph / 22.4 km/h Reverse – 4th Gear: 24.7 mph / 39.7 km/h Shifting System: Single Clutch Speed Shifting (SCSS) Torque Converter: Torque Converter with Lock-Up Clutch Auto Shift: Standard

Hydraulic System – Blade

Hydraulic Pump Flow at 1,800 rpm: 30.9 gpm / 117 L/min Main Relief Pressure: 3,771 psi / 26,000 kPa Maximum Supply Pressure: 3,495 psi / 24,100 kPa Lift Cylinder: Double Acting Lift Cylinder Bore: 4.7 in / 120 mm Lift Cylinder Stroke: 42.1 in / 1,070 mm Tilt/Tip Cylinder: Double Acting Tilt/Tip Cylinder Bore: 5.5 in / 140 mm Tilt/Tip Cylinder Stroke: 9.1 in / 230 mm

Hydraulic System – Steering

Steering System: Pilot Operated, Load Sensing Steering Pump: Variable Displacement Piston Maximum Steering Pump Flow: 44.9 gpm / 170 L/min Steering Relief Pressure: 3,481 psi / 24,000 kPa Steering Cylinder Bore: 4.5 in / 114.3 mm Steering Cylinder Stroke: 22.7 in / 576 mm Vehicle Articulation: 86°

Dimensions

Overall Length with Straight Blade on Ground: 27 ft 7 in / 8.42 m Wheelbase: 12 ft 1 in / 3.70 m Height to Top of Beacon: 14 ft 6 in / 4.42 m Height to Top of Exhaust Stack: 14 ft 2 in / 4.33 m Height to Top of Cab: 13 ft 5 in / 4.10 m Height to Top of Hood: 10 ft 6 in / 3.20 m Width Over Guardrails: 10 ft 11 in / 3.34 m Ground Clearance: 1 ft 9 in / 534 mm Ground Clearance at Bumper: 2 ft 10 in / 852 mm Ground Clearance to Trunnion: 1 ft 5 in / 441 mm Front Axle Centerline to Hitch: 6 ft 1 in / 1.85 m Rear Axle Centerline to Bumper: 9 ft 3 in / 2.83 m

Axles & Braking

Front Axle: Fixed Planetary Rear Axle: Oscillating Planetary Rear Axle Oscillation: ±11° Service Brakes: Enclosed Multi-Disc Wet Brakes, 4-Wheel Parking Brake: Drum and Shoe, Spring Applied / Hydraulically Released Integrated Braking System: Standard

Straight Blade

Blade Capacity: 6.6 yd³ / 5.0 m³ Blade Width Over End Bits: 177.4 in / 4,507 mm Blade Height: 48.4 in / 1,230 mm Dig Depth: 17.6 in / 448 mm Blade Ground Clearance: 41.6 in / 1,057 mm Maximum Tilt: 45.9 in / 1,167 mm Outside Blade Turning Radius: 23.7 ft / 7.23 m Inside Blade Turning Radius: 10.2 ft / 3.09 m

Semi-Universal Blade

Blade Capacity: 10 yd³ / 7.7 m³ Blade Width Over End Bits: 174.1 in / 4,421 mm Blade Height: 61.1 in / 1,551 mm Dig Depth: 18.8 in / 477 mm Blade Ground Clearance: 42.0 in / 1,068 mm Maximum Tilt: 44.1 in / 1,120 mm Outside Blade Turning Radius: 23.8 ft / 7.26 m Inside Blade Turning Radius: 10.8 ft / 3.31 m

Universal Blade

Blade Capacity: 10 yd³ / 7.7 m³ Blade Width Over End Bits: 171.3 in / 4,352 mm Blade Height: 53.1 in / 1,350 mm Dig Depth: 18.1 in / 461 mm Blade Ground Clearance: 41.4 in / 1,051 mm Maximum Tilt: 44.6 in / 1,132 mm Outside Blade Turning Radius: 23.9 ft / 7.30 m Inside Blade Turning Radius: 11.3 ft / 3.47 m

Coal Blade

Blade Capacity: 21.2 yd³ / 16.2 m³ Blade Width Over End Bits: 189 in / 4,798 mm Blade Height: 68.7 in / 1,745 mm Dig Depth: 18.6 in / 472 mm Blade Ground Clearance: 42.2 in / 1,072 mm Maximum Tilt: 48.9 in / 1,242 mm Outside Blade Turning Radius: 24.9 ft / 7.59 m Inside Blade Turning Radius: 11.4 ft / 3.50 m

Service Refill Capacities

Fuel Tank Capacity: 206.6 gal / 782 L Cooling System: 30.6 gal / 116 L Engine Crankcase: 9 gal / 34 L Transmission: 17.4 gal / 66 L Hydraulic Tank: 35.4 gal / 134 L Hydraulic System – Implement/Steering: 56.5 gal / 214 L DEF Tank: 8.5 gal / 32 L Front Differential/Final Drives: 26.4 gal / 100 L Rear Differential/Final Drives: 29.1 gal / 110 L

Operator Station

Cab Type: Sound-Suppressed, Pressurized Cab ROPS/FOPS: Internal Four-Post ROPS/FOPS Operator Sound Pressure Level: 73 dB(A) Transmission Control: STIC™ Steering and Transmission Integrated Control Display: Cat Vital Information Management System (VIMS™) Air Conditioning: Standard Seat Belt: 3 in / 76 mm Retractable Rearview Mirrors: Standard Internal Panoramic Mirror: Standard Rear Vision Camera: Standard 12V Power Port: Standard Radio: Ready Wet-Arm Wipers/Washers: Front and Rear

Electrical System

Electrical System: 24V Alternator: 150 Amp Batteries: Four 1,000 CCA Maintenance-Free Batteries Starter: Heavy-Duty Electric Standard Lighting: Halogen Front and Rear LED Lighting: Available Warning Beacon: LED Strobe

Features

Cat C15 Diesel Engine: Standard 405 hp Net Power: Standard Planetary Powershift Transmission: Standard Torque Converter with Lock-Up Clutch: Standard STIC Steering and Transmission Control: Standard Load-Sensing Hydraulic Steering: Standard Multi-Disc Wet Brakes: Standard Rear Vision Camera: Standard VIMS™ Monitoring System: Standard Auto Shift: Standard Single Clutch Speed Shifting: Standard Demand Fan: Standard Separated Cooling System: Standard Cat Product Link™: Standard Cat Detect Object Detection Ready: Standard Fire Suppression Ready: Standard High-Speed Oil Change: Standard Ecology Drains: Standard Underhood Lighting: Standard Cold Weather Package: Available Heated Mirrors: Available LED Lighting: Available Tire Pressure Monitoring System: Available No-Spin Rear Axle: Available Front Counterweight: Available Sound Suppression: Available Extended Wear Blade: Available Coal Blade: Available