Caterpillar 772 Base

Specifications of Caterpillar 772 Base

Engine

• Bore 145.0 mm
• Displacement 18.1 L
• Engine Model Cat® C18 ACERT™
• Gross Power - SAE J1995 446.0 kW
• Net Power - 80/1269/EEC 399.0 kW
• Net Power - ISO 9249 399.0 kW
• Net Power - SAE J1349 399.0 kW
• Number of Cylinders 6
• Rated Engine Speed 1800.0 RPM
• Stroke 183.0 mm

Transmission

• Forward 1 12.9 km/h
• Forward 2 17.7 km/h
• Forward 3 24.0 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

Service Refill Capacities

• Brake Hoist System 277.0 L
• Brake/Hoist Hydraulic Tank 155.0 L
• Cooling System 114.0 L
• Crankcase 60.0 L
• Differentials and Final Drives 83.0 L
• Fuel Tank 530.0 L
• Steering System (Includes Tank) 56.0 L
• Steering Tank 34.0 L
• Torque Converter/Transmission System 72.0 L

Body Hoist

• Body Lower Time - Float 12.5 Seconds
• Body Power Down - High Idle 12.5 Seconds
• Body Raise Time - High Idle 9.5 Seconds
• Pump Flow - High Idle 515.0 L/min
• Relief Valve Setting - Lower 3450.0 kPa
• Relief Valve Setting - Raise 17255.0 kPa

Steering

• Steer Angle 36.0 Degrees
• Steering Standards ISO 5010:1992

Operating Specifications

• Body Capacity (SAE 2:1) 31.3 m3
• Maximum Payload Class (110%) 51.0 tonnes
• Nominal Payload Class (100%) 46.0 tonnes
• Not to Exceed Payload (120%) 55.0 tonnes
• Target Payload Capacity 45.0 tonnes
• Top Speed - Loaded 79.7 km/h

Dimensions

• Centerline Front Tire Width 3165.0 mm
• Centerline Rear Dual Tire Width 2652.0 mm
• Dump Clearance 495.0 mm
• Engine Guard Clearance 714.0 mm
• Front Canopy Height 4216.0 mm
• Ground Clearance 720.0 mm
• Height to Top of ROPS 4093.0 mm
• Inside Body Depth - Maximum 1706.0 mm
• Inside Body Length 5549.0 mm
• Inside Body Width 3698.0 mm
• Loading Height - Empty 3500.0 mm
• Operating Width 4751.0 mm
• Outside Body Width 3952.0 mm
• Overall Body Length 8172.0 mm
• Overall Height - Body Raised 8357.0 mm
• Overall Length 8740.0 mm
• Overall Tire Width 3927.0 mm
• Rear Axle Clearance 560.0 mm
• Rear Axle to Tail 2590.0 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 50284.0 cm2

Sound

• Sound Standards 3 Standards

Final Drives

• Differential Ratio 2.74:1
• Planetary Ratio 4.80:1
• Total Reduction Ratio 13.15:1

Suspension

• Empty Loaded Cylinder Stroke Front 234.0 mm
• Empty Loaded Cylinder Stroke Rear 149.0 mm
• Rear Axle Oscillation 5.4 Degrees

Capacity - Dual Slope - 100% Fill Factor

• Heaped (SAE 2:1) 31.2 m3
• Struck 24.2 m3

Capacity - Flat Floor - 100% Fill Factor

• Heaped (SAE 2:1) 31.3 m3
• Struck 23.3 m3

Weights - Approximate

• Body Weight 10425.0 kg
• Chassis Weight 25025.0 kg
• Target Gross Machine Operating Weight 82100.0 kg

Weight Distributions - Approximate

• Front Axle - Empty 48.0 %
• Front Axle - Loaded 34.0 %
• Rear Axle - Empty 52.0 %
• Rear Axle - Loaded 66.0 %

ROPS

• FOPS Standards Standards
• ROPS Standards Standards