Engine assembly

Engine assembly


The engine assembly is the core power source of the loader, integrating a complete set of core components such as the cylinder block, cylinder head, crankshaft, connecting rods, pistons, valve mechanism, fuel supply system, cooling system, and intake and exhaust system. It relies on fuel combustion to output strong power, providing sufficient power support for the machine's movement, loading operations, and hydraulic system operation.

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Product Description

Engine assembly

Product Introduction

The engine assembly is the core power source of the loader, integrating the cylinder block, cylinder head, crankshaft, connecting rods, pistons, valve mechanism, fuel supply system, cooling system, intake and exhaust system, and other core components. It relies on fuel combustion to output strong power, providing ample power support for the machine’s movement, loading operations, and hydraulic system operation. It is the core component determining the machine’s power performance, operating efficiency, and load-bearing capacity.

The machine adopts a mature and durable engine architecture. Key moving parts are made of high-strength alloy materials. Through precision assembly, cold running-in, and overall performance tuning, the power output is abundant and stable, with economical and reasonable fuel consumption. It features low vibration and low noise during operation, a rationally designed heat dissipation and lubrication system, excellent high-temperature resistance, heavy-load resistance, and fatigue resistance. The machine has high assembly precision, tight sealing, and is not prone to oil, water, or air leaks. It uses original factory standard assembly dimensions, has strong adaptability, and can be directly replaced in other machines, meeting the needs of new machine installation and complete replacement during major overhauls.

Application Scenarios

  • Construction Sites: Earthwork excavation, backfilling and compaction, road construction, site leveling; flexible high/low speed switching, powerful start-up, meeting the needs of various heavy-duty earthwork operations.
  • Mining and Quarrying Areas: Steep slope climbing, gravel road transport, heavy-duty material hauling; strong high torque output, powerful climbing ability, and consistent power even under prolonged high-load operation.
  • Sand and Gravel Yards, Coal Yards, and Mixing Plants: 24/7 uninterrupted loading, unloading, stockpiling, and short-distance transport; strong stability during continuous operation, low failure rate, ensuring efficient project progress.
  • Plant Logistics Yards: Material handling, cargo stacking, site cleaning; smooth start-up and shutdown, rapid power response, suitable for short-distance, high-frequency operation modes.
  • Harsh Outdoor Conditions: High adaptability to complex environments such as high temperatures, dust, and low temperatures; good heat dissipation; easy start-up at low temperatures; stable and reliable outdoor operation.
  • Equipment maintenance and support: Compatible with 3-ton, 5-ton, 6-ton, and 7-ton mainstream wheel loaders for complete machine installation, and for the complete replacement and overhaul of old engines.

Product Specifications

  • Compatible Models: 3T/5T/6T/7-ton wheel loaders
  • Fuel Type: Diesel
  • Cooling Method: Water-cooled circulating cooling
  • Intake Type: Naturally aspirated / Turbocharged
  • Fuel Supply Method: Direct injection fuel supply
  • Structure Type: Inline multi-cylinder diesel engine
  • Rated Speed: Standard engineering machine universal speed
  • Rated Power: Dedicated power for loader
  • Torque Output: High torque at low speeds, meeting the needs of heavy-load starting and climbing
  • Starting Performance: Easy to start at low temperatures, smooth starting and low failure rate
  • Lubrication Method: Pressure circulating lubrication, providing comprehensive protection for internal moving parts
  • Applicable Ambient Temperature: -25℃~45℃, stable operation in both hot and cold conditions
  • Working Condition Adaptability: Supports long-term continuous full-load operation, wear-resistant and anti-aging
  • Environmental Standards: Complies with common engineering emission standards, stable operation and reasonable fuel consumption

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