770 Off Highway Truck
Top Performance. Developed specifically for construction, mining, and quarry applications, the 770 optimizes demands for lower cost per ton, challenges of finding skilled labor, and overall health and safety. Reliable, Durable, Dependable. Rugged construction and easy maintenance procedures ensure long life with low operating costs.
|Nominal Payload Class (100%)||36.3 tonnes|
|Top Speed – Loaded||74.8 km/h|
|Body Capacity – SAE 2:1||25 m3|
|Target Payload Capacity||36.3 tonnes|
|Engine Model||C15 ACERT|
|Rated Engine Speed||1800 RPM|
|Gross Power – SAE J1995||381 kW|
|Net Power – SAE J1349||355 kW|
|Net Power – 80/1269/EEC||355 kW|
|Number of Cylinders||6|
|Net Power - ISO 9249:1997||355 kW|
|Peak Torque||2320 N·m|
Weights – Approximate
|Target Gross Machine Operating Weight||71210 kg|
|Chassis Weight||24213 kg|
|Body Weight||9999 kg|
Capacity – Dual Slope – 100% Fill Factor
|Heaped 2:1 (SAE)||25.1 m3|
Capacity – Flat Floor – 100% Fill Factor
|Heaped 2:1 (SAE)||25.1 m3|
Weight Distributions – Approximate
|Front Axle – Empty||48 %|
|Front Axle – Loaded||34 %|
|Rear Axle – Empty||52 %|
|Rear Axle – Loaded||66 %|
|Forward 1||12.1 km/h|
|Forward 2||16.6 km/h|
|Forward 3||22.5 km/h|
|Forward 4||30.3 km/h|
|Forward 5||40.9 km/h|
|Forward 6||55.2 km/h|
|Forward 7||74.8 km/h|
|Total Reduction Ratio||13.15:1|
|Brake Surface – Front||1395 cm2|
|Brake Surface – Rear||40266 cm2|
|Brake Standards||ISO 3450: 1996|
Service Refill Capacities
|Fuel Tank||530 L|
|Cooling System||114 L|
|Differentials and Final Drives||83 L|
|Steering Tank||34 L|
|Steering System (Includes Tank)||56 L|
|Brake / Hoist / Fan Hydraulic Tank||155 L|
|Brake/Hoist/Fan System (Tank)||277 L|
|Transmission / Torque Converter System (Includes Sump)||72 L|
|Transmission/Torque Converter Sump||53 L|
|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 Seconds|
|Body Lower Time – Float||12.5 Seconds|
|Body Power Down – High Idle||12.5 Seconds|
|Effective Cylinder Stroke - Front||234 mm|
|Effective Cylinder Stroke - Rear||149 mm|
|Rear Axle Oscillation||5.4 Degrees|
|Height - Top of ROPS||3911 mm|
|Overall Body Length||8172 mm|
|Inside Body Length||5549 mm|
|Overall Length||8740 mm|
|Rear Axle to Tail||2590 mm|
|Ground Clearance||680 mm|
|Dump Clearance||464 mm|
|Loading Height – Empty||3120 mm|
|Inside Body Depth - Max||1326 mm|
|Overall Height – Body Raised||8280 mm|
|Operating Width||4751 mm|
|Centerline Front Tire Width||3110 mm|
|Engine Guard Clearance||673 mm|
|Outside Body Width||3960 mm|
|Inside Body Width||3698 mm|
|Front Canopy Height||4140 mm|
|Rear Axle Clearance||508 mm|
|Centerline Rear Dual Tire Width||2536 mm|
|Overall Tire Width||3693 mm|
|Steering Standards||ISO 5010:1992|
|Steer Angle||40 Degrees|
|Standard Tire||18.00R33 (E4)|
Power Train – EngineThe Cat® C15 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.
Power Train – TransmissionThe Cat seven-speed power shift transmission matched with the Cat C15 engine with ACERT Technology provides constant power and efficiency over a wide operating speed range for optimal power train performance.
StructuresThe 770 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.
Operator’s StationThe 770 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.
Engine – Power Train IntegrationThe 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.
Brake SystemFront 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.
Truck Body SystemsThe 770 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.
Information and Monitoring SystemsStandard on the 770, the Cat Messenger system provides real-time engine performance and operating data.
SafetyCaterpillar 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.
ServiceabilityThe 770 offers 500-hour engine service intervals – 250 hours more than the 769D. Simplified service and maintenance features combined with improved service access are designed to reduce downtime.
Customer SupportCaterpillar® 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.
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