Target Audience:
Technicians, equipment owners, and operators of Hyundai wheel loaders
Market Role:
Medium-sized wheel loader for construction, material handling, and earthmoving
Advantages:
Hyundai's reputation for reliability and durability; strong lifting capacity and maneuverability
Engine:
Powerful and efficient engine with low emissions and high torque
Hydraulics:
Advanced hydraulic system for smooth and powerful operation
Operator Comfort:
Spacious cab with ergonomic controls and excellent visibility
Serviceability:
Easy access to maintenance points for reduced downtime
Engine:
Detailed operating procedures, starting, stopping, and shutdown
Transmission:
Operation, shifting, and maintenance guidelines
Hydraulic System:
Operation of loader hydraulics, implement control, and safety precautions
Electrical System:
Battery and electrical component operation, safety, and maintenance
Brakes:
Pre-operation checks and operating procedures
Steering:
Operating and handling of steering system
Undercarriage and Tires:
Inspection and maintenance guidelines
Daily Inspection:
Detailed pre-start and shutdown inspection procedures
Maintenance:
Scheduled maintenance tasks, fluid capacities, and specifications
Safety:
Comprehensive safety instructions and warning procedures
Transport and Storage:
Guidelines for towing, transporting, and long-term storage
Lubrication:
Detailed lubrication chart and intervals
Level of Detail:
Step-by-step instructions accompanied by illustrations and diagrams
Target User:
Operators and technicians with basic mechanical knowledge
Electrical and Hydraulic Schematics
Wiring Diagrams:
N/A - not typically included in an operating manual; refer to service manual
Hydraulic Schematics:
N/A - not typically included in an operating manual; refer to service manual
Compatibility:
Compatible with Windows, macOS, iOS, Android, and most PDF readers
Searchable:
Yes, PDF is text-searchable for quick topic lookup
Print and Physical Characteristics
Print Quality:
N/A - digital download; not printed
Paper Type:
N/A - digital file
Engine Model:
Hyundai D6BR (typical for HL720-3 series)
Engine Type:
Diesel, 6-cylinder, turbocharged
Displacement:
6.6 liters (approx.)
Rated Power:
Approximately 165 kW (221 hp) at 2200 rpm
Torque:
Not specified - refer to manual
Fuel System:
Direct injection with mechanical governor
Emissions:
Compliant with tier 2/3 standards (depending on year)
Wheelbase:
3000 mm (approx.)
Overall Length:
No precise data available - refer to manual for exact dimensions
Overall Height:
No precise data available - refer to manual
Curb Weight:
Approximately 16,500 kg (36,300 lb)
Max Gross Weight:
Not specified - refer to manual
Crash Test Rating:
N/A - construction equipment, no crash test rating
FOPS:
Falling Object Protective Structure (cab optional)
ROPS:
Rollover Protective Structure (cab optional)
Exhaust Brake:
Not equipped
Service Brakes:
Dual-circuit, wet disc brakes
Parking Brake:
Mechanical, spring-applied
Steering:
Full hydrostatic steering with dual pump redundancy
Operator Cab:
Impact-resistant structure with safety glass
Seat Belt:
3-point seat belt
Backup Alarm:
Standard equipment
Infotainment and Telematics
Audio System:
N/A - construction machinery, not typically fitted
Telematics:
Available as an option (Hyundai Hi-mate)
Load-Weight Indicator:
Optional
Rear Object Detection:
Not typically available
Automatic Transmission Control:
N/A - manual shift
First Service:
At 50 hours
Engine Oil Change:
Every 250 hours
Hydraulic Oil Change:
Every 1,000 hours or annually
Transmission Oil Change:
Every 500 hours
Axle Oil Change:
Every 1,000 hours
Fuel Filter Replacement:
Every 500 hours
Air Filter Cleaning/Replacement:
Every 250 hours (clean) / 500 hours (replace)
Engine Oil:
API CJ-4 or higher, 15W-40 (typical)
Hydraulic Oil:
Hyundai genuine hydraulic oil or equivalent ISO VG 46
Transmission Oil:
Hyundai genuine transmission oil or equivalent (SAE 30)
Coolant:
50/50 ethylene glycol/water mixture
Known Issues:
Wiring harness chafing, hydraulic hose abrasion, and bucket pins wearing
Common Replacement Parts:
Filter kits, brake discs, hydraulic seals, and bucket cutting edges
Brand:
Hyundai Heavy Industries (HHI)
Construction Equipment Division:
Established 1985
Series:
HL720-3 / HL720-3c wheel loader series
Predecessors:
HL720 series (earlier versions)
Successors:
HL720-9 series (later models)
Manufacturing Plant:
Hyundai Heavy Industries plant in South Korea
Other Plants:
Possibly China or other global plants, not specified
