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HL770-9S

Product catalog summary

Overview
The Hyundai 9S series wheel loader is engineered for enhanced performance, durability, and operator comfort. It features a Tier 3 Hyundai HE8.9 engine, known for reliability and fuel efficiency, and offers multiple operating modes for various job conditions.

Specifications
The loader is powered by a HYUNDAI HE 8.9 engine, delivering 280HP at 2,000rpm and a maximum torque of 148kg.m at 1,400rpm. It includes a 24V electrical system with a 70 Amp alternator and two 12V batteries.

Standard Equipment
Standard features include a ROPS/FOPS certified cab, automatic climate control, a color LCD monitor, and various safety alarms. The hydraulic system is designed for smooth operation with a 2-spool, single lever pilot control.

Optional Equipment
Options include additional working lights, a reversible cooling fan, heated mirrors, and a Hi-Mate remote management system. Various bucket types and sizes are available.

Operator Comfort
The cabin is designed for comfort with a wider field of view, adjustable controls, and an advanced climate control system. Amenities include an AM/FM radio with MP3 interface and USB input.

Durability and Serviceability
Built for durability, the loader features a robust cooling system and easy access to service points, minimizing maintenance time. It includes self-adjusting brakes and a remote-mounted cooling fan.

Performance and Efficiency
The loader offers variable operating modes, including a 4-mode transmission power shift system and a 3-mode engine power selection, optimizing performance and fuel efficiency.

Conclusion
The Hyundai 9S series wheel loader is a versatile and efficient choice for various earthmoving applications, providing high performance, operator comfort, and ease of maintenance.

Engine Specifications
The engine is a water-cooled, 4-cycle, turbocharged, charge air-cooled direct injection, electronically controlled diesel engine, compliant with EPA Tier III and EU Stage III-A emission regulations.

Air Conditioning System
Uses R134a refrigerant with a global warming potential of 1430, holding 0.85 kg of refrigerant, equivalent to 1.22 metric tonnes of CO2.

Axles
Features a four-wheel drive system with a rigid front axle and an oscillating rear axle, allowing for a total oscillation of 22 degrees. The hub reduction is planetary at the wheel end with a reduction ratio of 23.334.

Transmission
Includes a full automatic power shift, countershaft type with soft-shift in range and direction, and a torque converter type with 3-elements, single-stage, single-phase.

Hydraulic System
An open-centered system with a tandem circuit, featuring a gear type pump with a capacity of 434 liters/min and a system pressure of 210 kgf/cm².

Service Refill Capacities
Fuel tank: 362 liters, Cooling system: 56 liters, Crankcase: 23 liters, Transmission: 43 liters, Front axle: 51 liters, Rear axle: 40 liters, Hydraulic tank: 185 liters, Hydraulic system (including tank): 295 liters.

Operating Weight and Capacities
HL770-9S: 22,500 kg with a bucket capacity of 4.0 m³. HL770XTD-9S: 23,250 kg with the same bucket capacity.

Brakes
Service brakes are hydraulically actuated, wet disc brakes operating on all four wheels. The parking brake is spring-applied and hydraulically released.

Steering System
Features full hydraulic power steering with a gear pump and a relief valve setting of 210 kg/cm². The steering angle is 40 degrees in each direction.

Tires
Standard tires are tubeless, loader design 26.5-25, L3, 20PR, with various options available.

Catalog excerpts

BUCKET SELECTION GUIDE SUPPLEMENTAL SPECIFICATIONS HL770-9S With Tier 3 Engine installed STANDARD EQUIPMENT OPTIONAL 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 Alarm, back-up Batteries, 1100 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 LCD Display - clock and fault code - operating hour counter - engine rpm 24-volt to 12-volt DC converter Additional, 4 working lights on front/rear roof Beacon light, rotating - 3.9m 1 piece tooth, bolt-on type - 3.9m 1 piece tooth, bolt-on type - 3.9m 1 piece tooth, bolt-on type - 5.0m 1 piece tooth, bolt-on type - 5.2m Cutting edge, bolt-on type - 2.7m Spade nose & segment, rock - 3.7m Spade nose & segment, rock - Pallet Fork, Pin on type Secondary steering system - transmission gear range indicator - job time and distance - temperature(coolant, hydraulic oil, t/m oil) Lighting system - 1 LED dome light - 2 stop and tail lights - 4 turn signals - brake lights(counterweight) - 2 head lights on front tower - 2 working lights on front roof - 2 working lights on grill Switches - clutch cut-off - hazard - lgnition key, start/stop switch - main light (illumination and head light) - parking - rear wiper & washer - work light - battery master switch Starter, electric Starting and charging system(24-volt) Cab ROPS(ISO 3471) / FOPS(ISO 3449) (sound suppressed and pressurized) with : - cigar lighter Fire extinguisher Guard - Transmission - crankcase High lift arrangement with Optional counterweight, 1800kg (3,970lb) 3rd spool for auxiliary function Extrapiping for auxiliary function Mud guard Heated rear view mirrors (2 outside) Reversible cooling fan - coat hook Automatic climate control - air conditioner & heater - defroster - intermittent wiper and washer, front and rear Personal storage space - console box - holder, can and cup Rear view mirrors (1 inside) Rear view mirrors (2 outside) 2'' static seat belt & mechanical suspension seat with armrests Steering column, tilt Steering wheel with knob Roller type sunshade (front window) Tinted safety glass Two door cab Magazine pocket Pedals - one accelerator pedal - one brake pedal Radio/USB player Rubber floor mat Wrist rest Engine Antifreeze Engine, HYUNDAI HE8.9 - Low Emission Diesel, Tier3 Ride control system Seat - 2'' static seat belt & adjustable mechanical suspension - 2'' static seat belt & adjustable mechanical suspension - 3'' retractable seat belt & adjustable air suspension (heated) Steering column, tilt and telescopic Roller type sunshade(rear window) Engine enclosure, lockable Engine fuel priming pump(Electric) 3 operating mode (power / standard / econo) Fan guard Fuel/water separator Muffler, under hood with large exhaust stack Rain cap, engine air intake Radiator Starting aid (air intake heater) Water sensor on fuel filter Power Train Brakes : Service, enclosed wet-disc Parking brake Torque converter Transmission, computer-controlled, electronic soft shift, auto-shift and kick-down features included Transmission oil cooler Hydraulics Bucket positioner, automatic Diagnostic pressure taps Hydraulic oil cooler Hydraulic system, - 2 spool, single lever, pilot control for boom and bucket actuation Remote cooling fan, hydraulically-driven, temperature sensing type Others Articulation locking bar Bucket - 4.0m3 Cutting edge, bolt-on type 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) Hydraulic oil level sight gauge Lift and tie-down hooks Loader linkage, sealed Z-Bar design Tires(26.5-25,20PR,L3) Transmission oil site level Vandalism protection caplocks Pre-cleaner, engine air intake License plate & lamp Hi-Mate (Remote Management System) - Mobile / Satellite Rearview camera Limited slip differential Quick coupler piping Autogrease system Fuel Warmer PLEASE CONTACT Standard and optional equipment may vary. Contact your Hyundai dealer for more information. The machine may vary according to International standards. All imperial measurements rounded off to the nearest pound or inch. A HYUNDAI CONSTRUCTION EQUIPMENT Head Office (Sales office) First tower, 55, Bundang-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea

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Pride at Work Hyundai Construction Equipment strives to build state-of-the art earthmoving equipment to give every operator maximum performance, more precision, versatile machine preferences, and proven quality. Take pride in your work with Hyundai! Machine Walk-Around Reliable Main Components Engine Technology Well proven, reliable, fuel efficient, low noise HYUNDAI Tier-Ⅲ HE8.9 engine. 3 operating mode (Power / Standard / Econo). Fully Automatic Transmission 4 step(Manual / Light / Normal / Heavy) shift mode by working condition Protective transmission at low temperature(Automatic warm-up system)...

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Operator Comfort Operating a 9S series wheel loader is unique to every operator. Operators can fully customize their work environment and operating preferences to fit their individual needs. In the 9S series cabin you can easily adjust the steering column and wrist rest to best suit your preferred comfort level. Pilot-operated joystick controls are easy and comfortable to operate. Roller type sunshades on the front window allow the operator to reduce glare and improve visibility. Heated side mirrors feature built-in hot wires for quick defrosting during cold weather conditions. Operator Comfort...

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Precision & Performance Innovative hydraulic system technologies make the 9S series wheel loader fast, smooth and easy to control. 9S series wheel loaders are designed for maximum performance to keep the operator working productively. Improved Durability & Reliability An enhanced axle improves driving over variable ground conditions. Self adjusting brakes that automatically regulate disc clearance, reduce service time and improve brake reliability and performance. Service and clean-out are easier on the 9S series, now equipped with a completely redesigned, parallel-mounted, cooler configuration...

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