777F Off-Highway Truck
28Páginas

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777F Off-Highway Truck - 1

777F ® Off-Highway Truck Engine Engine Model Gross Power – SAE J1995 Net Power – SAE J1349 Weights – Approximate Target Gross Machine Operating Weight ® Cat C32 ACERT™ 758 kW 1,016 hp 700 kW 938 hp 163 293 kg 360,000 lb Operating Specifications Nominal Payload Class Body Capacity – SAE 2:1 90.7 tonnes 60.2 m3 100 tons 78.8 yd3 • Refer to the Caterpillar ® 10/10/20 Payload Guidelines for maximum gross machine weight limitations. • Capacity with dual slope body.

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777F Off-Highway Truck - 2

777F Off-Highway Truck Engineered for performance, designed for comfort, built to last. Power Train – Engine ✔ The Cat C32 engine with ACERT™ Technology uses advanced engine technology to reduce emissions without after-treatment. The turbocharged, aftercooled 12-cylinder engine has higher horsepower and faster response for superior performance in demanding applications. pg. 4 ® Serviceability ✔ The 777F offers 500-hour engine service intervals – 250 hours more than the 777D. Simplified service and maintenance features combined with improved service access are designed to reduce downtime....

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777F Off-Highway Truck - 3

Operator’s Station ✔ The 777F features an all new operator station with enhanced visibility, increased operator space and ergonomically designed controls that set new industry standards for operator comfort. All controls and gauges are positioned for optimum efficiency and total machine control. pg. 7 Engine – Power Train Integration Brake System ✔ The Cat Data Link electronically ✔ Cat oil-cooled, multiple disc brakes are combines engine, transmission, brake now hydraulically controlled, reducing and operational information to optimize maintenance costs and improving overall truck...

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777F Off-Highway Truck - 4

Power Train – Engine The Cat® C32 engine with ACERT™ Technology is built for power, reliability and efficiency for superior performance in the toughest applications. Single-Piece Piston Design. New single-piece forged steel pistons with integrated forged steel skirt are more robust to withstand high engine heat and pressure, and enable enhanced combustion efficiency, improved fuel efficiency and lower emissions. Corrosion-resistant, stainless steel top ring reduces ring, groove and liner wear for greater reliability and longer life. MEUI Fuel System. Fuel delivery, provided by the MEUI...

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777F Off-Highway Truck - 5

Power Train – Transmission Cat power train delivers more power to the ground for greater productivity and lower operating costs. Mechanical Power Train. The Cat mechanical drive power train and power shift transmission provides unmatched operating efficiency and control on steep grades, in poor underfoot conditions, and on haul roads with high rolling resistance. Transmission. Pairing the Caterpillar seven-speed planetary power shift transmission with the C32 diesel engine with ACERT Technology delivers constant power over a wide range of operating speeds. • Long Life. A dedicated...

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777F Off-Highway Truck - 6

Structures Rugged Cat structures are the backbone of the 777F off-highway truck’s durability. Suspension System. Designed to dissipate haul-road and loading impacts for longer frame life and a more comfortable ride. • Cylinders. Four independent selfcontained, oil pneumatic, variablerebound suspension cylinders are designed to absorb shocks in the most severe applications. • Durable Design. Rugged cylinders use a large diameter bore and low pressure nitrogen/oil design for long life with minimal maintenance. – Front. Front cylinders with preset caster and camber are mounted to the frame and...

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777F Off-Highway Truck - 7

Operator’s Station Ergonomically designed for operator comfort, superior control and high productivity. Ergonomic Layout. The 777F operator station is ergonomically designed for total machine control in a comfortable, productive and safe environment. All controls, levers, switches and gauges are positioned to maximize productivity and minimize operator fatigue. New ISO Designed Cab Mounts. Integral, sound-suppressed cab is resiliently mounted to the frame to isolate the operator from sound and vibration for a quiet, secure and comfortable ride. Viewing Area. Designed for excellent...

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777F Off-Highway Truck - 8

Engine – Power Train Integration This system electronically combines critical power train components to work together more intelligently to optimize overall truck performance. ET 10 4 1 2 3 4 5 6 7 8 9 10 Engine Control Module (ECM) Sensors Electronic Unit Injector (EUI) Integrated Braking Control (IBC) Transmission/Chassis Control (TCC) Transmission Wheel Sensor Brakes CAT Data Link Cat Messenger 5 2 9 6 7 8 1 3 Cat Data Link. Electronically integrates machine computer systems to optimize overall power train performance, increase reliability and component life, and reduce operating costs....

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777F Off-Highway Truck - 9

Body-up Reverse Neutralizer. Automatically shifts the transmission to neutral if the hoist lever is activated while the transmission is shifted in reverse. Overspeed Protection. The transmission control electronically senses engine conditions and automatically up-shifts one gear to prevent overspeeding. If overspeeding occurs in the top gear, the lock-up clutch is disengaged, and the brakes are applied. Programmable Top Gear. Transmission top gear maximum can be set using Cat Messenger, VIMS Advisor or the Cat ET service tool to help the operator maintain speed limits. Anti-Hunt Function....

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777F Off-Highway Truck - 10

Brake System Reliable braking with superior control gives the operator the confidence to focus on productivity. Long Life. An oil film prevents direct contact between the discs. This design absorbs the braking forces by shearing the oil molecules and carrying heat away to extend brake life. Pistons. The Caterpillar two-piece piston design combines the service, secondary, parking brake and retarding functions in the same system. The primary piston hydraulically actuates both service and retarding functions. The secondary piston is spring-applied and held in the disengaged position by...

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777F Off-Highway Truck - 11

ARC 1 2 1 2 3 4 5 6 7 8 Service Brake Sensor Engine Sensor ARC ARC Switch Brakes Service Brakes Axle Speed Sensor TCS TCS 6 7 8 3 7 5 6 4 • Superior Control. Automatic brake modulation offers a smoother ride and better control in slippery conditions, allowing the operator to concentrate on driving. Automatic Retarder Control (ARC). Standard ARC electronically controls braking on grade to maintain engine at approximately 1,900 rpm (adjustable from 1,850-1,950 rpm in increments of 10). ARC is deactivated when the operator applies the brakes or throttle. • Ease of Operation. ARC increases...

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