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FAW Engine Aseembly-Engine Block Group
FAW Engine Aseembly-Engine Block Group
2025-07-30
FAW Engine Aseembly-Oil Filling Tube Group
FAW Engine Aseembly-Oil Filling Tube Group
2025-07-30

FAW Engine Aseembly-Crankcase Pre-Assembly

FAW Engine Aseembly-Crankcase Pre-Assembly
FAW Engine Aseembly-Crankcase Pre-Assembly
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What is the FAW Engine Aseembly-Crankcase Pre-Assembly

  • 1. Foundation for Power: The WP13.550E501 Crankcase Pre-Assembly
    The FAW WP13.550E501 Engine Assembly relies on the precision Crankcase Pre-Assembly as its critical lower structural foundation. This meticulously prepared sub-assembly, integrating the Cylinder Block and Crankcase components, forms the rigid base for the crankshaft, main bearings, and lower engine structure. Key elements like the Body pre-assembly, Main Bearing Bolts, and Camshaft Bushes are incorporated at this vital stage, setting the groundwork for engine integrity and longevity.
  • 2. Core Structure & Precise Component Integration
    Central to this pre-assembly is the Body pre-assembly, encompassing the integrated Cylinder Block and Crankcase casting. This robust structure features precisely machined bores for critical components. Camshaft Bushes are expertly pressed into their designated locations within the block, providing the essential low-friction bearing surfaces for the camshaft(s). Alignment is ensured using Parallel Pin(s) with Internal Thread, guaranteeing accurate positioning of associated parts like bearing caps or covers during final assembly.
  • 3. Securing the Rotating Assembly: Main Bearings
    The Crankcase Pre-Assembly incorporates the lower main bearing shells and utilizes ultra-high-strength Main Bearing Bolts. These critical bolts are meticulously torqued to FAW’s exact specifications during the pre-assembly process, creating the secure, precisely aligned tunnel within the Crankcase that houses and supports the engine’s crankshaft under extreme operational loads.
  • 4. Sealing & Access: Bowl Plugs
    Completing the sealed integrity of the Crankcase Pre-Assembly are Bowl Plugs. These durable plugs are installed into machined ports within the Cylinder Block and Crankcase, effectively sealing off core sand removal passages or other access points used during the manufacturing process. Their reliable seal prevents oil and coolant leaks, crucial for maintaining system pressures and fluid containment.
  • 5. Significance for Engine Build Quality
    This pre-assembled Crankcase Group, featuring the aligned Camshaft Bushes, torqued Main Bearing Bolts, sealed Bowl Plugs, and positioned Parallel Pins, represents a major quality checkpoint in the WP13.550E501 Engine Assembly. It ensures dimensional accuracy, structural integrity, and bearing alignment from the outset, directly contributing to the engine’s renowned durability, smooth operation, and power output in heavy-duty applications.

Product Parameters of FAW Engine Aseembly-Crankcase Pre-Assembly

Order Part NO. Part Name And Standards Oty
1000410A-DY889R WP13.550E501  Engine Aseembly 1
1004415538 Body pre assembly 1
1 612600013581 Bowl Plug 12
2 1004415537 Cylinder Block 1
3 612630010057 Main Bearing Bolt 14
4 1004415526 Crankcase 1
5 612639000093 Parallel Pin with Internal Thread 3
6 612630010075 Camshaft Bush 1
7 61560010029 Camshaft Bush 6
8 612600013583 Bowl Plug 6
 

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