Caterpillar 772G Base

Specifications of Caterpillar 772G Base

Engine

• Bore 145.0 mm
• Displacement 18.1 L
• Engine Model Cat® C18 ACERT™
• Gross Power - SAE J1995 451.0 kW
• Net Power - ISO 14396 446.0 kW
• Net Power - ISO 9249 410.0 kW
• Net Power - SAE J1349 410.0 kW
• Net Torque - SAE J1349 3012.0 N·m
• Number of Cylinders 6
• Rated Engine Speed 1700.0 RPM
• Stroke 183.0 mm

Transmission

• Forward 1 12.9 km/h
• Forward 2 17.5 km/h
• Forward 3 23.8 km/h
• Forward 4 31.9 km/h
• Forward 5 43.3 km/h
• Forward 6 58.3 km/h
• Forward 7 79.2 km/h
• Reverse 16.7 km/h

Service Refill Capacities

• Brake Hoist System 227.0 L
• Brake/Hoist Hydraulic Tank 145.0 L
• Cooling System 125.0 L
• Crankcase 64.0 L
• DEF Tanks 21.0 L
• Differentials and Final Drives 180.0 L
• Fuel Tank 530.0 L
• Steering System (Includes Tank) 87.0 L
• Steering Tank 55.0 L
• Torque Converter/Transmission System 64.0 L

Body Hoist

• Body Lower Time - Float 10.0 Seconds
• Body Power Down - High Idle 10.0 Seconds
• Body Raise Time - High Idle 7.5 Seconds
• Pump Flow - High Idle 448.0 L/min
• Relief Valve Setting - Lower 3450.0 kPa
• Relief Valve Setting - Raise 18950.0 kPa

Steering

• Steer Angle 31.0 Degrees
• Steering Standards ISO 5010:2007
• Turning Circle Clearance Diameter 20.3 m
• Turning Diameter - Front 17.6 m

Operating Specifications

• Body Capacity (SAE 2:1) 31.2 m3
• Maximum Payload Class (110%) 51.4 tonnes
• Nominal Payload Class (100%) 46.8 tonnes
• Not to Exceed Payload (120%) 56.1 tonnes
• Target Payload Capacity 46.8 tonnes
• Top Speed - Loaded 79.2 km/h

Dimensions

• Centerline Front Tire Width 3165.0 mm
• Centerline Rear Dual Tire Width 2651.0 mm
• Dump Clearance 457.0 mm
• Engine Guard Clearance 611.0 mm
• Front Canopy Height 4164.0 mm
• Ground Clearance 518.0 mm
• Height to Top of ROPS 3901.0 mm
• Inside Body Depth - Maximum 1737.0 mm
• Inside Body Length 5781.0 mm
• Inside Body Width 3627.0 mm
• Loading Height - Empty 3541.0 mm
• Operating Width 4780.0 mm
• Outside Body Width 3931.0 mm
• Overall Body Length 8168.0 mm
• Overall Height - Body Raised 8257.0 mm
• Overall Length 8808.0 mm
• Overall Tire Width 3931.0 mm
• Rear Axle Clearance 579.0 mm
• Rear Axle to Tail 2895.0 mm
• Wheelbase 3960.0 mm

Tires

• Standard Tires 21.00R33 (E4)

Brakes

• Brake Standards ISO 3450:1996
• Brake Surface - Front 1395.0 cm2
• Brake Surface - Rear 50281.0 cm2

Sound

• Sound Standards 3 Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Final Drives

• Differential Ratio 2.74:1
• Planetary Ratio 4.80:1
• Total Reduction Ratio 13.14:1

Suspension

• Empty Loaded Cylinder Stroke Front 234.0 mm
• Empty Loaded Cylinder Stroke Rear 149.0 mm
• Rear Axle Oscillation 8.9 Degrees

Capacity - Dual Slope - 100% Fill Factor

• Heaped (SAE 2:1) 31.2 m3
• Struck 23.9 m3

Capacity - Flat Floor - 100% Fill Factor

• Heaped (SAE 2:1) 31.3 m3
• Struck 23.9 m3

Weights - Approximate

• Body Weight 7850.0 kg
• Chassis Weight 26863.0 kg
• Target Gross Machine Operating Weight 82100.0 kg
• Target Gross Machine Weight 82100.0 kg

Weight Distributions - Approximate

• Front Axle - Empty 51.4 %
• Front Axle - Loaded 34.2 %
• Rear Axle - Empty 48.6 %
• Rear Axle - Loaded 65.8 %

ROPS

• FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
• ROPS Standards ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.