Product Description
High-performance Crawler Bulldozer
824F features the new F series design and is powered by the Weichai WD12 T2 engine, delivering a gross power of up to 185 kW (248 hp).
The machine utilizes an electronically controlled hydrostatic transmission system, enhancing productivity and maneuverability. It offers various track shoe widths from 560 mm to 915 mm and multiple blade options, including SU, S, U, Waste Handling, and Forest blades. Rear equipment options include multi-shank ripper, single shank ripper, and winch to meet diverse customer needs.
Specification
Applications
The SEM 824F dozer is designed for a wide range of applications, including dozing, grading, stockpiling, material spreading and ripping. Its target customer industries had expanded to encompass general and heavy
construction, road construction, mining, coal handling, and agriculture.
construction, road construction, mining, coal handling, and agriculture.
1.Construction: Building foundations, trenching, demolition
2.Roadwork: Land leveling, ditch digging, material handling
3.Mining: Quarrying, ore extraction, loading
4.Agriculture: Land clearing, irrigation channel digging
5.Forestry: Log handling, land preparation
4.Agriculture: Land clearing, irrigation channel digging
5.Forestry: Log handling, land preparation
Key Features
Proven Performance:Boost productivity with fully hydrostatic transmission
Effortless counter rotations, power turn, and infinitely variable speed control
Versatile operating modes for more efficient operations
World-class engine delivers superior durability and excellent fuel efficiency
Comfortable Operation
Exceptional Reliability
Operator Comfort: The premium operator station offers increased space, superior visibility, air conditioning with fresh air circulation, an adjustable suspension seat, and joystick hydraulic controls for precise operation.
Reduced Operational Costs
Effortless counter rotations, power turn, and infinitely variable speed control
Versatile operating modes for more efficient operations
World-class engine delivers superior durability and excellent fuel efficiency
Comfortable Operation
Exceptional Reliability
Operator Comfort: The premium operator station offers increased space, superior visibility, air conditioning with fresh air circulation, an adjustable suspension seat, and joystick hydraulic controls for precise operation.
Reduced Operational Costs
Key Configurations
Engine: World-class engine delivers superior durability and excellent fuel efficiency.
Solid Structure: Dual-path, hydrostatic drive system with electronic control
technology, featuring a single pump and dual-motor design per side
from a world-class supplier delivers industry-leading reliability
Cab: Ergonomic cabin with air conditioning
Solid Structure: Dual-path, hydrostatic drive system with electronic control
technology, featuring a single pump and dual-motor design per side
from a world-class supplier delivers industry-leading reliability
Cab: Ergonomic cabin with air conditioning
Enhanced Reliability
Outstanding Versatility
and Productivity
and Productivity
Enhanced Operating Comfort
Dual-path, hydrostatic drive system with electronic control technology from a world-class supplier delivers industry-leading reliability.
The Weichai mechanical engine of 824F with 6% increased power, offers classic durability and dependability.
Final drive adopts a double-stage reduction combining spur gear and planetary structure for high transmission efficiency to ensure a longer lifespan.
Machine structures are analyzed using Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to identify and reinforce high-stress areas.
Equalizer bar and pivot shaft are pinned to the one-piece Track Roller Frame, along with three segmentation spring recoil system minimize impacts and prolong the undercarriage’s life.
Wet type multi-disc brake system, delivers exceptional reliability and high braking performance, even under challenging operating conditions.
The Weichai mechanical engine of 824F with 6% increased power, offers classic durability and dependability.
Final drive adopts a double-stage reduction combining spur gear and planetary structure for high transmission efficiency to ensure a longer lifespan.
Machine structures are analyzed using Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to identify and reinforce high-stress areas.
Equalizer bar and pivot shaft are pinned to the one-piece Track Roller Frame, along with three segmentation spring recoil system minimize impacts and prolong the undercarriage’s life.
Wet type multi-disc brake system, delivers exceptional reliability and high braking performance, even under challenging operating conditions.
Compared to powershift machines, Caterpillar’s proven hydrostatic transmission load-sensing system delivers heightened productivity
Achieve seamless operations with functions like infinitely variable speed, counter rotation, and power turn, ensuring improved operational efficiency
Double-pump confluence hydraulic system and quick drop valve reduce cycle time while minimizing fuel consumption
Modular and single-plane cooling system, coupled with a hydraulic demand fan with piston pump, can endure extreme ambient temperatures ranging from -40℃ to +50℃ while offering superior fuel efficiency
Achieve seamless operations with functions like infinitely variable speed, counter rotation, and power turn, ensuring improved operational efficiency
Double-pump confluence hydraulic system and quick drop valve reduce cycle time while minimizing fuel consumption
Modular and single-plane cooling system, coupled with a hydraulic demand fan with piston pump, can endure extreme ambient temperatures ranging from -40℃ to +50℃ while offering superior fuel efficiency
Ample cabin space and fabric-covered seat offer a welcoming operational environment, delivering exceptional comfort and visibility
Multi-functional joystick ensures precise performance and maneuverability
The brand-new F Series showcases a stylish design
Exceptional visibility for enhanced on-site awareness
Multi-functional joystick ensures precise performance and maneuverability
The brand-new F Series showcases a stylish design
Exceptional visibility for enhanced on-site awareness
Reduced Operational Costs
Leading in Class Serviceability
Exceptional Reliability
Integrated hydrostatic oil tank and hydraulic oil tank allow for longer maintenance intervals and reduced maintenance costs
Electric Pressure Override (EPOR) function prevents high-pressure overflow and reduces heat load
Electric Pressure Override (EPOR) function prevents high-pressure overflow and reduces heat load
Maintenance-free and lifetime-lubricated idlers and track or carrier rollers provide simplified servicing, providing real value to our customers
The Implement Distribution Valve, featuring a pressure testing port, is installed outside of the
hydraulic oil tank for easy access to reduce overall maintenance time
Diagnostic codes covering both the engine and hystat system allow for quick troubleshooting
The Implement Distribution Valve, featuring a pressure testing port, is installed outside of the
hydraulic oil tank for easy access to reduce overall maintenance time
Diagnostic codes covering both the engine and hystat system allow for quick troubleshooting
World-class original pumps and motors
Standard configuration tubular track roller frame and Sealed and Lubricated Track (SALT)
Reinforced structures, analyzed using Finite Element Analysis (FEA)
Final drive with triple-stage reduction and dual-motor inputModular cooling system designed to endure -40°C to +50°C ambient temperatures
Standard configuration tubular track roller frame and Sealed and Lubricated Track (SALT)
Reinforced structures, analyzed using Finite Element Analysis (FEA)
Final drive with triple-stage reduction and dual-motor inputModular cooling system designed to endure -40°C to +50°C ambient temperatures
Technical Specifications
(Custom configurations available upon request.)
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Engine
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Engine Model
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Weichai WD12G250E202
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Engine Type
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Six-cylinder, water-cooled, turbocharged, direct injection
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Rated Power
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185 kW
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Rated Speed
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2100 rpm
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Displacement
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11.596 L
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Emission Standard
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China Nonroad Stage II
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Main Technical Specification
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Operating Weight
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23 730 kg
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Ground Pressure (GB/T 30965)
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63 kPa
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Minimum Ground Clearance (Excludes Grouser Height)
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400 mm
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Gradeability
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30°
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Powertrain
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Transmission Type
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Dual-path, closed loop electronically controlled hydrostatic drive system
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Travel Speeds – Forward and Reverse
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Infinitely variable speeds 0-10 km/h
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Steering and Brake
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Hydrostatic steering, wet,multi-disc brake, bellville spring actuated and hydraulically released
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Implement Hydraulic
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Type
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Double pump confluence, pilot control
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System Pressure
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29 MPa
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Pump Type
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Gear pump
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Blade
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Blade Type
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SU
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Blade Capacity (ISO 9246)
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6.4 m3
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Blade Width (w/End Bit)
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3 605 mm
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Blade Height
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1 510 mm
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Blade Lifting Height
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1 140 mm
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Blade Digging Depth
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570 mm
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Blade Tilt Height (Middle Hole)
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520 mm
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Blade Weight (w/o Push Arm)
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1 760 kg
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Minimum Turning Radius
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4 215 mm
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Single Shank Ripper
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Type
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Parallelogram (No pitch adjustment)
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Maximum Penetration (Shank Pinned in the Top Hole)
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737 mm
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Maximum Clearance Under Tip (Shank Pinned in the Bottom Hole)
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742 mm
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Ripper Weight
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2 320 kg
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Undercarriage
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Track Shoe Width
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560 mm/660/910/915 mm
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Track Shoes Number (Each Side)
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40
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Track Rollers Number (Each Side)
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7
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Carrier Roller Number (Each Side)
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2
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Service Refill Capacity
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Fuel Tank
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320 L
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Engine Lubricating Oil
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24 L
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Hydraulic System
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140 L
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Transmission Oil
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53 L
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