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770

Off-Highway Trucks

Top Performance. Developed specifically for construction, mining and quarry applications, the 770 optimizes demands for lower cost per ton. Reliable, Durable Operation. Rugged construction and easy maintenance procedures ensure long life with low operating costs.

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Engine Model Cat® C15 ACERT™
Rated Engine Speed 1800 r/min
Gross Power - SAE J1995 381 kW
Net Power - SAE J1349 355 kW
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770
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FEATURES & BENEFITS

Power Train Engine

Cat® C15 Engine with ACERT TechnologyCaterpillar optimizes engine performance while meeting U.S. EPA Tier 3 and European Union Stage IIIa engine emission regulations. ACE... Read more

Power Train — Transmission

Mechanical Power TrainThe Cat mechanical drive power train and power shift transmission provides unmatched operating efficiency and control on steep grades, in poor under... Read more

Structures

Box-Section DesignThe 770 frame uses a box-section design, incorporating two forgings and 13 castings in high-stress areas with deep penetrating and continuous wrap-aroun... Read more

Engine — Power Train Integration

Cat Data LinkElectronically integrates machine computer systems to optimize overall power train performance, increase reliability and component life, and reduce operating... Read more

Brake System

Full Hydraulic Service BrakeThe 770 features a full hydraulic brake system, which offers significant improvements in reliability, response, control and serviceability ver... Read more

Operator's Station

All New Center-Mounted CabCenter cab positioning provides additional room and creates a walk-in-style cab. The new configuration allows the operator to easily enter and e... Read more

Serviceability

Ground-Level AccessAll maintenance points have convenient ground level or platform access. Common engine service points are grouped on the right side of the engine for qu... Read more

Truck Body Systems

Increased Body CapacitiesThe 770 body capacity at 32.8 yd3 (25.1 m3), has increased 3.5 percent over the 769 at 31.7 yd3 (24.2 m3). Payloads are based on 2,800 lbs per LC... Read more

Information & Monitoring Systems

New Features Standard Messenger Display replaces Caterpillar Electronic Monitoring System (CEMS) unit. Enhanced TPMS (optional attachment) incorporates second gear weigh... Read more

SPECIFICATIONS FOR 770

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Engine
Engine Model Cat® C15 ACERT™
Rated Engine Speed 1800 r/min
Gross Power - SAE J1995 381 kW
Net Power - SAE J1349 355 kW
Net Power - 80/1269/EEC 355 kW
Number of Cylinders 6
Bore 137 mm
Stroke 171 mm
Displacement 15.2 l
Peak Torque 2320 N·m
Net Power - ISO 9249:1997 355 kW
Weights - Approximate
Target Gross Machine Operating Weight 71214 kg
Chassis Weight 24213 kg
Body Weight 10029 kg
Operating Specifications
Nominal Payload Class (100%) 36.3 ton (US)
Top Speed - Loaded 74.8 km/h
Maximum Capacity 36.3 ton (US)
Target Payload Capacity 36.3 ton (US)
Body Capacity - SAE 2:1 25 m³
Transmission
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
Reverse 15.9 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 40266 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 16.4 m³
Heaped 2:1 (SAE) 25.1 m³
Capacity - Flat Floor - 100% Fill Factor
Struck 16.4 m³
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 %
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
Brake / Hoist / Fan Hydraulic Tank 155 l
Crankcase 34 l
Brake/Hoist/Fan System (Tank) 277 l
Transmission - Torque Converter Sump 53 l
Transmission - Torque Converter System - Including Sump 72 l
Tires
Standard Tire 18.00R33 (E4)
ROPS
ROPS/FOPS Standards .
Sound
Sound Standards .
Steering
Steering Standards ISO 5010:1992
Steer Angle 40 °
Dimensions
Height - Top of ROPS 3911 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 680 mm
Dump Clearance 464 mm
Loading Height - Empty 3120 mm
Inside Body Depth - Maximum 1326 mm
Overall Height - Body Raised 8280 mm
Operating Width 4751 mm
Centerline Front Tire Width 3110 mm
Engine Guard Clearance 673 mm
Overall Canopy Width 3960 mm
Inside Body Width 3698 mm
Front Canopy Height 4140 mm
Rear Axle - Clearance 508 mm
Centerline of Rear Dual Tire Width 2536 mm
Overall Tire Width 3693 mm

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Rated Engine Speed 1800 r/min
Gross Power - SAE J1995 381 kW
Net Power - SAE J1349 355 kW
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