Camioane rigide de talie mare Cat® 772
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Brake System
Front dry disc and rear oil-cooled, multiple disc brakes are now hydraulically controlled, reducing maintenance costs and improving operator control and modulation. They provide exceptional, fade-resistant braking and retarding for maximum performance and productivity in all haul-road conditions.
Customer Support
Caterpillar® dealers provide unmatched product support, anywhere in the world. With industry-best parts availability and a wide range of maintenance and service options, Cat dealers have what it takes to keep your hauling machines productive.
Power Train – Engine
The Cat® C18 engine with ACERT™ Technology uses advanced engine technology to reduce emissions without after-treatment. The turbocharged, aftercooled 6-cylinder engine has faster response for superior performance in demanding applications.
Truck Body Systems
The 772 offers two body types with six different body liner system selections to accommodate almost any type of application. These body liner systems are designed to maximize strength and durability while providing the lowest cost per ton.
Serviceability
The 772 offers 500-hour engine service intervals – 250 hours more than the 771D. Simplified service and maintenance features combined with improved service access are designed to reduce downtime.
Engine – Power Train Integration
The Cat Data Link electronically combines engine, transmission, brake and operational information to optimize overall truck performance. Stored diagnostic data can be accessed via the Cat Electronic Technician (Cat ET) service tool to improve troubleshooting and reduce downtime.
Operator's Station
The 772 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.
Structures
The 772 features a mild-steel, box-section type frame to deliver durability and long life with low operating costs. Castings and forgings are strategically placed in high-stress areas to evenly distribute stresses and provide long fatigue life.
Safety
Caterpillar sets the standard when it comes to safety in the design and manufacturing of heavy equipment. Safety is not an afterthought at Caterpillar, but an integral part of all machine and systems designs.
Power Train – Transmission
The Cat seven-speed power shift transmission matched with the Cat C18 engine with ACERT Technology provides constant power and efficiency over a wide operating speed range for optimal power train performance.
Information and Monitoring Systems
Standard on the 772, the Cat Messenger system provides real-time engine performance and operating data.
SPECIFICATII TEHNICE
Engine | |
---|---|
Engine Model | C18 ACERT |
Rated Engine Speed | 1800 r/min |
Gross Power - SAE J1995 | 446 kW |
Net Power - ISO 9249 | 399 kW |
Number of Cylinders | 6 |
Bore | 145 mm |
Stroke | 183 mm |
Displacement | 18.1 l |
Net Power - ISO 9249:1997 | 399 kW |
Peak Torque | 2696 N·m |
Weights - Approximate | |
Target Gross Machine Operating Weight | 82100 kg |
Chassis Weight | 25025 kg |
Body Weight | 10425 kg |
Operating Specifications | |
Nominal Payload Class (100%) | 45 ton (US) |
Top Speed - Loaded | 79.7 km/h |
Body Capacity - SAE 2:1 | 31.3 m³ |
Target Payload Capacity | 45 ton (US) |
Transmission | |
Forward - 1 | 12.9 km/h |
Forward - 2 | 17.7 km/h |
Forward - 3 | 24 km/h |
Forward - 4 | 32.2 km/h |
Forward - 5 | 43.6 km/h |
Forward - 6 | 58.7 km/h |
Forward - 7 | 79.7 km/h |
Reverse | 16.9 km/h |
Final Drives | |
Differential Ratio | 2.74:1 |
Planetary Ratio | 4.80:1 |
Total Reduction Ratio | 13.15:1 |
Brakes | |
Brake Surface - Front | 1395 cm² |
Brake Surface - Rear | 50284 cm² |
Brake Standards | ISO 3450: 1996 |
Body Hoists | |
Pump Flow - High Idle | 515 l/min |
Relief Valve Setting - Raise | 17255 kPa |
Relief Valve Setting - Lower | 3450 kPa |
Body Raise Time - High Idle | 9.5 s |
Body Lower Time - Float | 12.5 s |
Body Power Down - High Idle | 12.5 s |
Capacity - Dual Slope - 100% Fill Factor | |
Struck | 24.2 m³ |
Heaped 2:1 (SAE) | 31.2 m³ |
Capacity - Flat Floor - 100% Fill Factor | |
Struck | 23.3 m³ |
Heaped 2:1 (SAE) | 31.3 m³ |
Weight Distributions - Approximate | |
Front Axle - Empty | 48 % |
Front Axle - Loaded | 34 % |
Rear Axle - Empty | 52 % |
Rear Axle - Loaded | 66 % |
Suspension | |
Effective Cylinder Stroke - Front | 234 mm |
Effective Cylinder Stroke - Rear | 149 mm |
Rear axle - Oscillation | 5.4 ° |
Service Refill Capacities | |
Fuel Tank | 530 l |
Cooling System | 114 l |
Differential - Final Drives | 83 l |
Steering Tank | 34 l |
Steering System - Including Tank | 56 l |
Crankcase | 60 l |
Transmission - Torque Converter Sump | 53 l |
Transmission - Torque Converter System - Including Sump | 72 l |
Brake/Hoist/Fan System (Tank) | 277 l |
Brake / Hoist / Fan Hydraulic Tank | 155 l |
Tires | |
Standard Tire | 21.00R33 (E4) |
ROPS | |
ROPS/FOPS Standards | . |
Sound | |
Sound Standards | . |
Steering | |
Steering Standards | ISO 5010:1992 |
Steer Angle | 36 ° |
Dimensions | |
Height - Top of ROPS | 4093 mm |
Overall Body Length | 8172 mm |
Inside Body Length | 5549 mm |
Overall Length | 8740 mm |
Wheel Base | 3960 mm |
Rear Axle - Tail | 2590 mm |
Ground Clearance | 720 mm |
Dump Clearance | 495 mm |
Loading Height - Empty | 3499 mm |
Inside Body Depth - Maximum | 1706 mm |
Overall Height - Body Raised | 8357 mm |
Operating Width | 4751 mm |
Centerline Front Tire Width | 3165 mm |
Engine Guard Clearance | 714 mm |
Outside Body Width | 3952 mm |
Inside Body Width | 3698 mm |
Front Canopy Height | 4216 mm |
Rear Axle - Clearance | 560 mm |
Centerline of Rear Dual Tire Width | 2652 mm |
Overall Tire Width | 3927 mm |
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