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SHANTUI SL60W Wheel Loader -Gearshift Control Assembly
SHANTUI SL60W Wheel Loader -Gearshift Control Assembly
2025-07-06
SHANTUI SL60W Wheel Loader - Transmission System
SHANTUI SL60W Wheel Loader – Transmission System
2025-07-06

SHANTUI SL60W Wheel Loader H/L Speed Control Mechanism

SHANTUI SL60W Wheel Loader - H/L Speed Control Mechanism
SHANTUI SL60W Wheel Loader - H/L Speed Control Mechanism
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What is the SHANTUI H/L Speed Control Mechanism?

  • The H/L Speed Control Mechanism in the SHANTUI SL60W Wheel Loader is a critical subsystem designed to enable seamless transition between High (H) and Low (L) speed modes, enhancing operational flexibility across diverse terrains and tasks. This robust assembly integrates mechanical linkages and ergonomic controls to deliver precise, reliable gear shifting under heavy loads. Below is a detailed breakdown of its key components:
  • 1. Control Interface & Lever Assembly
  • H/L Speed Control Lever: A forged steel lever with an ergonomic Handle Ball (rubber-coated for grip), allowing operators to toggle between speed modes effortlessly. The lever pivots on a Shaft Assembly, supported by Bearings for smooth rotation.
  • Pad: Synthetic rubber pads at contact points reduce vibration and noise, enhancing operator comfort during frequent shifts.
  • 2. Linkage & Motion Transfer
  • Pulling Rod & Pulling Rod I: High-tensile steel rods that transmit force from the lever to the transmission. The rods feature Composite Cannulas (nylon-lined) to minimize friction and wear at pivot points.
  • Yoke: A forged steel connector that links the lever to the pulling rod, with a Pin Roll and Cotter securing the joint for reliable motion transfer.
  • 3. Rocker Arm & Support Structure
  • Rockerarm Assembly: A pivotal mechanism comprising a Rockerarm (cast iron) and Bent Arm (steel), which converts linear motion from the pulling rod into rotational movement to actuate the transmission.
  • Support: A welded steel bracket that mounts the rocker arm assembly to the loader’s Frame, ensuring stability under dynamic loads.
  • 4. Fasteners & Retaining Components
  • Bolt, Nut & Washer: Grade 10.9 bolts with Flat Washers and Spring Retaining Rings secure critical joints, preventing loosening from vibration. Cotter Pins provide secondary locking for pins and shafts.
  • 5. Spring & Tension Management
  • Spring Retaining Ring: A circlip that maintains tension on moving parts, ensuring consistent engagement and disengagement of speed modes.
  • System Functionality
  • The mechanism operates by leveraging the operator’s input on the H/L Speed Control Lever, which transmits motion through Pulling Rods to the Rockerarm Assembly. This assembly, in turn, actuates the transmission’s shift fork via the Bent Arm, engaging either high or low gear ratios. The Support and Frame provide a rigid foundation, while Pads dampen vibrations to reduce operator fatigue. The use of Composite Cannulas and precision Pin Rolls minimizes friction, ensuring responsive shifts even after prolonged use.
  • This design enables the SHANTUI SL60W to adapt quickly to varying work conditions—from high-speed travel on flat terrain to low-speed, high-torque operation during heavy lifting or digging. Regular inspection of Cotter Pins, Bolts, and Spring Retaining Rings ensures long-term reliability, making the H/L Speed Control Mechanism a vital component for maximizing productivity in demanding environments.

Product Parameters of SHANTUI H/L Speed Control Mechanism？

NO PART NO. PART NAME Q’TY
2 ZL50G2-03202A H/L Speed Control Lever 1
3 ZL50G2-03203 Pad 1
4 ZL50G2-03204 Yoke 4
5 ZL50G2(A)-03205 Pulling Rod 1
6 ZL50G2-03206A Rockerarm Assembly 1
7 ZL50G2-03207 Support 1
8 ZL50G2-03208 Shaft Assembly 1
9 ZL50G2(A)-03209 Pulling Rod I 1
10 ZL50G2-03210 Pin 1
11 ZL50G2-03211 Composite Cannula 1
12 ZL50G2-03212 Frame 1
13 ZL50G2-03213 Rockerarm 2
14 ZL50G2-03214 Bent A「m 1
15 ZL50G2-03215 Pad 1
(1) 88894.2-86,22 Spring Retaining Ring 1
(2) GB882-86,12×40 Pin Roll 4
(3) GB95-85,12 Washer 6
(4) GB91-86, 4×18 Cotter 6
(5) GB6170-86, M12 Nut 5
(6) GB93-87,12 Washer 6
(7) GB5783-86, M12x25 Bolt 3
(8) GB93-87,8 Washer 2
(9) GB5781-86, M8x25 Bolt 1
(10) GB5783-86, M12x30 Bolt 2
(11) GB882-86, 12×32 Pin 1
(12) GB91-86,2×20 Cotter 1
(13) GB95-85,8 Flat Washer 1
(14) GB882-86,8×28 Pin Roll 1
(15) GB6170-86,M10 Nut 1
(16) GB93-87,10 Washer 1
(17) LJ135M Handle Ball 1

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