SEM 824F

KeySpecification
Advantage
Application

Operating Weight: 23,730kg
Ground Clearance: 400mm
Maximum Slope: 30°

Proven Performance
Comfortable Operation
Exceptional Reliability
Outstanding Versatility and Productivity
Enhanced Operating Comfort
Lower Operation Cost
Leading in Class Serviceability

The target applications for the 824F is dozing, grading, stockpiling, spreading and ripping, and the target customer industries had been extended to general & heavy construction, road construction, mining, coal handling, waste handling and forest.

Feature
Specification
ProductComparison
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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.

Proven Performance

Boost productivity with fully hydrostatic transmission.
Counter rotations, power turn and infinitely variable speed.
Hydraulic demand fan as standard for better efficiency.
Better balance and stability with the gravity optimization.
Robust and more powerful mechanical engine delivers superior durability and excellent fuel efficiency.

Comfortable Operation

Spacious cab with easy-to-operate controls.
Stylish design from the new F series.
Six-way adjustable seat for quick customization according to the operator's preferences.
Exceptional visibility for enhanced on-site a wareness.
8' LCD display with a great view of machine status and settings.

Exceptional Reliability

World class original pump and motor.
Blades with high tensile strength steel and strong box-section design.
Reinforced structures, analyzed using Finite Element Analysis (FEA).
Final drive with double-stage reduction and wet type brake.
Modular cooling system designed to endure -40°C to +50°C ambient temperatures.

Enhanced Reliability

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.

Outstanding Versatility and Productivity

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.
The hydraulic implementation system with pilot control helps adding operator comfort and precise control.
Modular and single-plane cooling system can endure extreme ambient temperatures ranging from -40°C to +50°C While offering superior fuel efficiency.
Hydraulic demand fan as standard with reverse function can result in up to 10% more efficiency and efficient cleaning of the engine and cooling system.
Machine CG (Center of the Gravity) optimization to better improve stability.

Enhanced Operating Comfort

Ample cabin space and fabric-covered seat offer a welcoming operational environment, delivering exceptional comfort and visibility.
Single multi-functional joystick ensures precise performance and maneuverability.
The brand-new F Series showcases a stylish design.
8' LCD main display with a great view of machine settings and features is easy to use.
Exceptional visibility for enhanced on-site awareness.
LED lights as standard configuration for working better at night.

Lower Operation Cost

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.

Leading in Class Serviceability

Maintenance-free and lifetime-lubricated idlers and track/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.
Standard diagnostic description on the display covering both the engine and hystat system allows for quick troubleshooting.
Product link as standard configuration convenient for fleet management.

Model
Model	824F	824F LGP	824F CH	824F DS	824F WH	824F FR
Main Specifications
Operating Weight	23,730kg	27,660kg	24,550kg	26,920kg	28,350kg	25,480/28,365/28,440kg
Ground Pressure	63kPa	38kPa	54kPa	37kPa	39kPa	67/63/63kPa
Ground Clearance	400mm
Max. Slope	30°
Engine
Engine Model	WD12G250E202
Gross Power (ISO 14396)	185kW / 248hp
Rated Speed	2,100r/min
Powertrain
Type	Dual-path, closed loop electronically controlled hydrostatic drive system
Travel Speed-F/R	Infinitely variable speeds 0-10 km/h
Steering & Brake	Hydrostatic steering; wet, multi-disc brake, Bellville spring actuated and hydraulically released
Blades
Blade Type	SU/S	S-LGP	U/Coal	S-LGP	S-WH	SU-FR/S/A
Blade Capacity (ISO 9246)	6.4/5.8m³	5.5m³	7.5/9.2m³	5.5m³	12.7m³	8.6/5.8/3.9m³
Blade Width (w/End Bit)	3,605/3,700mm	4,400mm	3,820mm	4,400mm	4,400mm	3,605/3,700/4,365mm
Blade Height	1,510mm	1,350mm	1,420/1,620mm	1,350mm	1,945mm	1,830/1,510/1,105mm
Max. Blade Lift Ground Clearance	1,140mm	1,165mm	1,140mm	1,165mm	1,165mm	1,140/1,140/1,175mm
Max. Blade Digging Depth	570mm	665mm	570mm	665mm	665mm	570/570/550mm
Blade Tilt Height (Middle Hole)	520/540mm	640mm	550mm	640mm	640mm	520/540mm
Blade Weight (w/o Push Arm)	1,760/1,645kg	1,930kg	2,100/2,300kg	1,930kg	2,300kg	1,870/1,645/1,307kg
Minimum Turning Radius	4,215mm	4,300mm	4,500mm	4,300mm	4,300mm	4,215/4,075mm
Undercarriage
Track Shoe Width	560mm	910mm 915mm	660mm	915mm 910mm	915mm	560mm 660mm
Track Shoe Quantity (Each side)	40	45	40	45	45	40
Track Roller Quantity (Each side)	7	8	7	8	8	7
Carrier Roller Quantity (Each side)	2	2	2	2	2	2
Hydraulic System
Type	Gear Pump, Pilot control
Implement Hydraulic System Pressure	19MPa
Multi Shank Ripper
Type	Parallelogram	/	/	Parallelogram	/	Parallelogram
Maximum Penetration (Top hole)	860mm	/	/	860mm	/	860mm
Maximum Clearance Under Tip (Bottom hole)	640mm	/	/	640mm	/	640mm
Weight	2,445kg	/	/	2,445kg	/	2,445kg

Type	Parallelogram	/	/	Parallelogram	/	Parallelogram
Maximum Penetration (Top hole)	737mm	/	/	737mm	/	737mm
Maximum Clearance Under Tip (Bottom hole)	742mm	/	/	742mm	/	742mm
Weight	2,320kg	/	/	2,320kg	/	2,320kg