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Hyundai Construction Equipment Americas, Inc.
HL740-7A

HL740-7A

Product catalog summary

Introduction
The document outlines the specifications and features of the Hyundai HL740-7A wheel loader, emphasizing its advanced technology, efficiency, and comfort. It highlights compliance with Tier III low emission standards and innovative solutions for construction needs.

Specifications

Engine: Equipped with a Cummins QSB6.7, 4-cycle, turbocharged, electronic controlled diesel engine, delivering 145HP at 2,100rpm.
Transmission: Features a full automatic power shift with soft-shift in range and direction, and a multi-function transmission control for smooth gear shifts.
Tires: Standard 20.5-25, 16 PR, L3 with optional sizes available.
Operating Weight: Varies from 11,550 kg to 12,100 kg depending on the model variant.

Features

Centralized Display: Digital display for monitoring machine status and conditions.
Ride Control System: Optional system for smooth operation over rough terrain, enhancing safety and productivity.
Air Conditioning and Heating: Efficient temperature and airflow control with defrosters for winter use.
Joystick Controls: Pilot-operated controls for easy and comfortable bucket operation.
Battery Master Switch: Protects the electrical system from excessive drainage.

Safety and Maintenance

High-Rigidity Frames: Designed for tough applications, providing high rigidity and resistance to stress and shock.
Accessible Maintenance: Features like remote drain ports and centralized electric controllers improve serviceability.
Hydraulic System: Includes a remote cooling fan and easy access to hydraulic components for maintenance.

Optional Equipment
Various optional equipment such as reversible cooling fans, emergency steering systems, and different seat belt configurations enhance the loader's functionality and operator comfort.

Conclusion
The Hyundai HL740-7A wheel loader is presented as a powerful, efficient, and technologically advanced machine suitable for demanding construction tasks, offering a blend of performance, safety, and operator comfort.

Four-Wheel Drive System
Features a rigid front axle and an oscillating rear axle with a total oscillation of 24 degrees. It includes a planetary reduction at the wheel end and a limited slip differential at the front with a conventional differential at the rear. The reduction ratio is 22.846.

Hydraulic System
The open-centered, tandem circuit system is pilot-operated with closed pressure and vacuum relief. It uses a helical gear type pump with a capacity of 179 liters/min at governed rpm. The control valve is a two-function valve with optional third-function capability. The relief valve is set at 220 kg/cm², and the pilot system operates at 30 kg/cm².

Bucket Controls
The pilot-operated lift and tilt circuit uses a single-lever joystick control. The lift circuit has four functions: raise, hold, lower, and float, with adjustable automatic kickout. The tilt circuit has three functions: tilt back, hold, and dump, with an adjustable automatic bucket positioner. The cycle times for operations range from 9.6 to 10.2 seconds depending on the model.

Brakes
The service brakes are hydraulically actuated wet disc brakes that operate on all four wheels independently. The parking brake is a spring-applied, hydraulically released wet disc brake in the front axle, which automatically applies when brake oil pressure drops.

Steering System
The full hydraulic power steering system features a gear type pump with a relief valve setting of 210 kg/cm². It includes a double-acting cylinder with a steering angle of 40 degrees in each direction. The system is load-sensing and pressure-compensated, with a tilt and telescopic steering column.

Service Refill Capacities
Lists various capacities for different components, including the fuel tank (228 liters), cooling system (35 liters), crankcase (16 liters), transmission (24 liters), front and rear axles (21.2 liters each), hydraulic tank (105 liters), and the entire hydraulic system including the tank (165 liters).

Catalog excerpts

Supplemental Specifications Bucket Selection Guide 2.9 (3.8) Change in static tipping Change in static tipping load-straight kg(lb) load-40 turn kg(lb) Description Change in operating weight kg(lb) 2.5 (3.3) 17.5-25 12PR L2 -308 (-679) -218 (-481) -192 (-423) 2.3 (3.0) 17.5-25 12PR L3 -248 (-547) -175 (-386) -155 (-342) 20.5-25 16PR L2 -64 (-141) -45 (-99) -40 (-88) 17.5 R25 XHA -160 (-353) -113 (-249) -100 (-220) 20.5 R25 XHA +507 (+1,118) +358 (+789) +317 (+699) Bucket Capacity, m3 (yd3) 2.7 (3.5) 2.1 (2.7) 1.9 (2.5) 1.7 (2.2) 1400 2000 1600 2500 1800 2000 3000 2200 3500 3 2400 kg/m 4000 lb/yd3 Material Density HL740-7A HL740XTD-7A HL740TM-7A Standard Equipment Electrical system Alternator, 70A Alarms, audible and visual ·air filter clogging ·transmission error ·alternator voltage ·brake oil pressure ·engine oil pressure ·parking brake ·fuel level ·hydraulic oil temperature ·coolant temperature ·service brake oil pressure Batteries, 850 CCA, 12V, (2) Gauges ·engine coolant temperature ·fuel level ·hydraulic oil temperature ·speedometer ·transmission oil temperature ·voltmeter Horn, electric Indicator lights ·clutch cut-off ·high beam ·turn signal ·work light LCD Display ·clock and fault code ·operating hour counter ·engine rpm ·transmission gear range indicator ·job time and distance ·temperature(coolant, hydraulic oil, T/M oil) Lighting system ·2 dome lights ·2 stop and tail lights ·4 turn signals ·brake lights(counterweight) ·license plate light ·head light 2 on front tower ·working lights 2 on front roof 2 on grill Switches ·buzzer stop ·clutch cut-off ·hazard ·lgnition key, start/stop switch ·main light(illumination and head light) ·parking ·rear wiper & washer ·work light ·operating mode (Power/Econo) ·full automatic transmission Main disconnect switch Starter, electric Starting and charging system(24-volt) Cab Cab, ROPS/FOPS (sound suppressed and pressurized) with : ·cigar lighter & ashtray ·coat hook ·front/rear window defroster ·intermittent wiper and washer, front and rear ·personal storage space: holder, can and cup ·rear view mirrors (2 inside) ·rear view mirrors (2 outside) ·seat belt ·seat, adjustable suspension with armrests ·tilt / telescopic steering column ·steering wheel with knob ·sunvisor (front window) ·tinted safety glass Magazine box Pedals ·one accelerator pedal ·one brake pedal Rubber floor mat Wrist rest Engine Antifreeze Engine, Cummins QSB6.7 ·Low Emission Diesel, Tier-III 2 operating mode (poewr & econo) Engine enclosure, lockable Engine fuel priming pump Fan guard Fuel/water separator Fuel warmer Muffler, under hood with large exhaust stack Precleaner, engine air intake Radiator (Deaeration type) Starting aid (air intake heater) Water sensor on fuel filter Power Train Brakes : Service, enclosed wet-disc Differential, Front : limited Slip Rear : conventional Parking brake Torque converter Transmission, computer-controlled, electronic soft shift, auto-shift and quick-shift features included Transmission oil cooler Hydraulics Boom lock safety valve Boom kickout, automatic Bucket positioner, automatic Diagnostic pressure taps Hydraulic system, ·2 spool, single lever, pilot control for boom and bucket actuation Steering, load-sensing Remote cooling fan, hydraulically-driven, temperature sensing type Others Articulation locking bar Coolant level sight gauge Counterweight Door and cab locks, one key Doors, service access(locking) Drawbar with pin Engine oil level dipstick gauge Ergonomically located and slip resistant, left & right - handrails - ladders - platforms - steps Fenders(front/rear) Guard, bucket cylinder rod Hydraulic oil level sight gauge License plate bracket Lift and tie-down hooks Steering stops, cushioned Tires(20.5-25, 16PR,L3) Transmission oil level dipstick ga ge Vandalism protection caplocks Some of the Photos may include optional equipment. Optional Equipment 24-volt to 12-volt DC converter Air condition : ·air conditioner ·air conditioner with heater ·heater Alarm, back-up Beacon light, rotating Lighting, auxiliary, 4 on roof Cutting edge, bolt-on type Differential, Front : no spin Rear : limited slip Emergency steering system Fire extinguisher Hourmeter High lift arrangement with optional counterweight, 760 kg (1,680 lb) Hydraulic control, 2 lever Hydraulic control, 3 lever Hydraulic arrangement 3-valve Mud guard Operator suit Radio cassette player Ride control system Seat ·2” static seat belt & adjustable mechanical suspension(vinyl) ·3” static seat belt & adjustable mechanical suspension ·3” retractable seat belt & adjustable air suspension Tires : ·17.5 - 25, 12PR, L2 ·17.5 - 25, 12PR, L3 ·20.5 - 25, 16PR, L2 ·17.5 R25 XHA ·20.5 R25 XHA Tool kit Tooth, 1 piece, bolt-on type Guards ·crankcase ·transmission Wheel chock Window, sliding (left and right side) Reversible cooling fan Standard and optional equipment may vary. Consult your Hyundai dealer for more information. The machine shown may vary according to territorial specification. PLEASE CONTACT www.hyundai-ce.com 2009. 05. Rev 02 HL740-7A HYUNDAI WHEEL LOADER Applied Tier 3 Engine

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Hardworking Hyundai Loaders Some of the Photos may include optional equipment. New Generation - HL740-7A Meet the new generation wheel loader in Hyundai. The HL740-7A will give you the satisfaction in higher power, lower fuel consumption, more comfort and lower emission . Come and experience what Hyundai has created for you by bringing power and technology. 2 Engine Tier III Low Emission Certificated Electronic Engine Control Engine Protection & Selfdiagnosis System 2 Operating Mode : Power & Econo Transmission 2 Automatic Selection Modes 2 Kick Down Function Modes AEB Function 3

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