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SHANTUI SL60W Wheel Loader -Accumulator
SHANTUI SL60W Wheel Loader -Accumulator
2025-07-06
SHANTUI SL60W Wheel Loader -Gearshift Control Assembly
SHANTUI SL60W Wheel Loader -Gearshift Control Assembly
2025-07-06

SHANTUI SL60W Wheel Loader Transmission Control Valve

SHANTUI SL60W Wheel Loader -Transmission Control Valve
SHANTUI SL60W Wheel Loader -Transmission Control Valve
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What is the SHANTUI Transmission Control Valve?

  • The Transmission Control Valve in the SHANTUI SL60W Wheel Loader is a critical hydraulic component that regulates fluid flow to enable smooth, precise gear shifting and power transmission. Engineered for durability and responsiveness, this valve assembly integrates refined components to manage pressure, direction, and flow rate within the transmission system. Below is a detailed breakdown of its key constituents:
  • 1. Valve Body & Structural Components
  • Valve Body: A high-strength aluminum alloy housing with precision-machined internal passages, designed to withstand high pressures (up to 20 MPa) while minimizing fluid turbulence.
  • Air Valve Body: A secondary housing that manages pneumatic control signals, constructed from corrosion-resistant steel to ensure reliable operation in harsh environments.
  • 2. Motion Control Components
  • Valve Stem & Air Valve Stem: Precision-ground steel stems that slide within the valve bodies to open/close fluid passages. The Valve Stem controls hydraulic flow, while the Air Valve Stem manages pneumatic signals for automated shifting.
  • Drive Stem: A linkage component that translates mechanical or electrical input into stem movement, enabling operator control over gear selection.
  • 3. Sealing & Retention Systems
  • “O” Ring: Multiple nitrile rubber seals that prevent fluid leaks between moving parts and static interfaces, ensuring efficient pressure transfer and system integrity.
  • Thread Plug & Lock Washer: Steel plugs with locking washers seal unused ports in the valve body, preventing contamination and maintaining pressure. The Lock Washer (spring steel) prevents loosening from vibration.
  • 4. Pressure Regulation & Positioning
  • Spring: High-tensile steel springs that provide resistance to valve stem movement, regulating pressure and ensuring precise control over gear engagement.
  • Positioning Column: A machined steel rod that aligns valve components, maintaining proper spacing and preventing misalignment during operation.
  • 5. Safety & Control Elements
  • Steel Ball: A hardened steel ball that acts as a check valve within the system, preventing backflow and ensuring unidirectional fluid movement.
  • Connector: A threaded interface that links the control valve to external hydraulic lines, featuring a corrosion-resistant finish for long-term reliability.
  • System Functionality
  • The Transmission Control Valve orchestrates gear shifts by directing hydraulic fluid to specific clutch packs within the transmission. When the operator selects a gear, the Drive Stem actuates the Valve Stem, which routes pressurized fluid to engage the corresponding clutch. The Air Valve Stem facilitates automated shifts in models with pneumatic control systems, enhancing precision and reducing operator fatigue. The Springs and Positioning Column ensure consistent valve movement, while “O” Rings and Thread Plugs maintain leak-free operation. This integration of components enables the SHANTUI SL60W to deliver smooth, reliable performance across diverse operating conditions.

Product Parameters of SHANTUI Transmission Control Valve？

NO PART NO. PART NAME Q’TY
1 GB1235-76，Φ24×2.4 “O” Ring 2
2 ZL30A-03402 Valve Stem 2
3 ZL30A-03401 Valve Body 1
4 JC1083-73,ZG1/8″ Thread Plug 2
5 JB982-77 Lock Washer 3
6 JB1000-77, M22x 1.5 Thread Plug 3
7 GB308-77,Φ9.5 Steel Boll 2
8 ZL30A-03406 Positioning Column 2
9 ZL30A-03038 Spring 2
10 GB1235-76，Φ16×2.4 “O” Ring 1
11 JC1081-73,M12x 1.25 Thread Plug 1
12 GB75-76,M12x30 Screw 1
13 ZL30A-03403 Spring 1
14 ZL30A-03404 Drive Stem 1
15 JB982-77,22 Lock Washer 1
16 ZL30A-03408 Air Valve Body 1
17 ZL30A-03407 Air Valve Stem 1
18 GB1235-76，Φ24×2.4 “O” Ring 1
19 JB982-77,33 Lock Washer 1
20 ZL30A-03405 Connector 1
 

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