Caterpillar MT4400D AC Mining Trucks

Specifications of Caterpillar MT4400D AC Mining Trucks

Engine

• Bore 170.0 mm
• Displacement 78.1 L
• Engine Model Cat® 3516C HD
• Gross Power – SAE J1995 1864.0 kW
• Stroke 215.0 mm

Service Refill Capacities

• Cooling System 686.0 L
• Crankcase 288.0 L
• Final Drives, Each 129.0 L
• Fuel Tank 3028.0 L
• Fuel Tank (optional) 4922.0 L
• Hydraulic System (includes tank) 1113.0 L
• Hydraulic Tank 670.0 L

Body Hoist

• Body Power Down – High Idle 16.5 Seconds
• Body Raise Time – High Idle 22.0 Seconds
• Pump Flow – High Idle 900.0 L/min
• Relief Valve Setting – Raise 17236.0 kPa

Operating Specifications

• Gross Machine Operating Weight (GMW) 392357.0 kg
• Nominal Payload Capacity 221.0 tonnes
• Steer Angle 30.0 Degrees
• Top Speed – Loaded 64.0 km/h
• Turning Circle Diameter 30.4 m

Dimensions

• Centerline Front Tire Width 6274.0 mm
• Centerline Rear Dual Tire Width 4963.0 mm
• Dump Clearance 1524.0 mm
• Front Canopy Height 7341.0 mm
• Ground Clearance – Front Axle 711.0 mm
• Inside Body Width 7163.0 mm
• Loading Height – Empty 6223.0 mm
• Overall Height – Body Raised 14326.0 mm
• Overall Length 14783.0 mm
• Overall Tire Width 7605.0 mm
• Overall Width 7950.0 mm
• Rear Axle Clearance 914.0 mm
• Rear Axle to Tail 4318.0 mm
• Wheelbase 6401.0 mm

Sound

• Sound Standards Hearing protection may be needed when operating with open operator station & cab for extended periods or in a noisy environment.
• Sound Standards 2 The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 79 dB(A).

Final Drives

• Total Reduction Ratio 35:1

Suspension

• Effective Cylinder Stroke - Front 304.0 mm
• Effective Cylinder Stroke – Rear 184.0 mm
• Rear Axle Oscillation ±5.7°

Capacity - Dual Slope - 100% Fill Factor

• Heaped (SAE 2:1) 125-170 m3 (163-222 yd3)
• Struck 77-135 m3 (101-176 yd3)

AC Drive System

• Alternator Brushless, direct mounted, dual bearing
• Controls IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
• Cooling System Variable speed hydraulic cooling system
• Wheel Motor Rear axle mounted Cat AC induction

Weights - Approximate

• Empty Vehicle Weight 171168.0 kg
• Gross Machine Operating Weight (GMW) 392357.0 kg

Weight Distributions - Approximate

• Front Axle – Empty 50.0 %
• Front Axle – Loaded 33.0 %
• Rear Axle – Empty 50.0 %
• Rear Axle – Loaded 67.0 %

ROPS

• ROPS Standards FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
• ROPS Standards 2 ROPS (Rollover Protective Structure) meets ISO 3471:1994.

Braking System

• Electric Retarding Brushless AC Motor
• Electric Retarding – Dynamic Retarding Power 3281.0 kW
• Electric Retarding 2 Radial Grid Design
• Front Brakes – Dry Disc – 4 Calipers/Wheel: Disc Diameter 1168.0 mm
• Rear Oil Cooled Brakes: Brake Surface – Rear 155383.0 cm2
• Rear Oil Cooled Brakes: Outside Diameter 940.0 mm
• Rear Oil Cooled Brakes: Standards J-ISO 3450 JAN88, ISO 3450:2011