BelAZ-7557

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BelAZ
A BelAZ-75570 in 2005
A BelAZ-75570 in 2005
BelAZ-7557
Manufacturer: BelAZ
Sales designation: БелАЗ-7557
Production period: ? –2012
Previous model: none
Successor: BelAZ-7558
Technical specifications
Designs: Dump truck
Engines: Cummins Engine
QST30-C
Power: 783 kW
Payload: 90 t
Perm. Total weight: 164 t

The BelAZ-7557 ( Russian БелАЗ-7557 ) is a large dump truck from the Belarusian manufacturer BelAZ , which was produced in series until 2012. It is designed for the transport of overburden in opencast mines or for operation on large construction sites such as dams or industrial plants.

technology

The BelAZ-7557 reaches a maximum of 50 km / h and is powered by a twelve-cylinder diesel engine, either a QST30-C from Cummins or a 12V2000 from MTU Friedrichshafen . The QST30-C is a V12 four-stroke diesel engine with a displacement of 26.8 liters that develops a maximum of 783 kW (1050 hp) at 2100 rpm. The maximum torque is 4640 Nm at 1300 rpm. The engine output transmits a six-speed automatic transmission with hydraulic torque converter of the manufacturer Allison Transmission and a propeller shaft to the drive axle with planetary -Radnaben countershaft . The turning radius is 11 m. The suspension works hydropneumatically. The dump truck is 10.35 m long, 5.4 m wide and 5.34 m high; the wheelbase is 4.7 m. The driver's cab , secured against falling objects in accordance with FOPS safety regulations, is located above the engine compartment above the left wheel arch and can be reached via a ladder-staircase combination at the front of the vehicle. It can be equipped with air conditioning and can accommodate two people. The manufacturer offers different tipping bodies with different dimensions and with different capacities. Depending on the version, the tipping skip holds 37.7, 44.5 or 75 m³ (with the extended version) and can be moved from the horizontal into the tipping position with two hydraulic cylinders. The maximum payload is 90 tons, the manufacturer specifies the empty weight of the BelAZ-7557 as 74 tons, which results in a permissible total weight of 164 tons.

Web links

Commons : BelAZ-7557  - Collection of pictures, videos and audio files

Individual evidence

  1. researchgate.net: New line of BelAZ-7558 mine dump trucks with electromechanic transmission of alternating current and carrying capacity of 90 T , accessed on March 23, 2020 (English)
  2. a b c d data sheet of the manufacturer (Автобетоносмеситель BELAZ-7557) , accessed on March 23, 2020 (English)
  3. BelAZ-7557 characteristics , accessed on March 23, 2020 (English)