Find HS Code and trade information for crankshaft positioning tool

Crankshaft Positioning Tool

A crankshaft positioning tool is a specialized instrument used in automotive repair and maintenance to accurately set and verify the timing of the crankshaft during engine assembly, disassembly, and valve timing adjustments. It is critical for procedures involving the replacement of timing belts, chains, or when addressing issues related to engine misfires or poor performance.

Material

These tools are typically constructed from hardened steel to withstand the stresses involved in engine work and ensure precise alignment. Some components may incorporate aluminum for weight reduction or ease of handling. The finish is often blackened or coated for corrosion resistance.

Purpose

The primary purpose of a crankshaft positioning tool is to prevent engine damage that can occur from improper valve timing. Incorrect timing can lead to piston-valve collision, bent valves, or other severe internal engine failures.

Function

The tool functions by locking the crankshaft in a specific position, typically Top Dead Center (TDC) or a designated firing position. This allows technicians to:

• Align timing marks: Precisely align the timing marks on the crankshaft pulley and camshaft sprockets.
• Secure the crankshaft: Prevent the crankshaft from rotating during the removal or installation of timing components.
• Verify timing accuracy: Check that the timing marks remain aligned after the installation of new components.
• Adjust valve timing: Facilitate the adjustment of valve timing on engines with adjustable camshafts.

Usage Scenarios

• Timing Belt/Chain Replacement: Essential when replacing timing belts or chains.
• Valve Adjustment: Used on engines requiring precise valve timing adjustments.
• Engine Rebuilds: Critical during engine assembly to ensure correct timing.
• Troubleshooting Engine Misfires: Helps diagnose and correct timing-related misfires.
• Camshaft Installation/Replacement: Ensures proper camshaft positioning during installation.

Common Types

Crankshaft positioning tools are engine-specific, meaning a tool designed for one engine model may not be compatible with another. Common types include:

• Crankshaft Pulley Holding Tools: These tools grip the crankshaft pulley to prevent rotation. They come in various designs, including pin-type and strap-type.
• Flywheel Locking Tools: Used to lock the flywheel in place, similar to crankshaft pulley tools, but for engines where access to the pulley is limited.
• Timing Pin Sets: These sets include pins of varying lengths and diameters to align timing marks on the crankshaft and camshaft sprockets.
• Camshaft Alignment Tools: Specific tools designed to hold camshafts in the correct position during timing belt/chain installation.
• Universal Timing Kits: These kits often include a combination of tools to cover a wider range of engine applications. However, engine-specific tools generally provide the highest level of accuracy.

Based on the provided information, a crankshaft positioning tool falls under the category of tools used for internal combustion engine maintenance. Here are the relevant HS codes:

• 8483101010: Transmission shafts (including camshafts and crankshafts) and cranks: Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines For vehicles of chapter 87: For motorcycles. This code specifically covers camshafts and crankshafts designed for motorcycles.

  • 84: Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter.
  • 83: Transmission shafts, cranks, bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints).
  • 10: Transmission shafts (including camshafts and crankshafts) and cranks.
  • 1010: Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines For vehicles of chapter 87: For motorcycles.

• 8479899560: Other machines and mechanical appliances: Other: Other Automotive maintenance machines. This code covers other automotive maintenance machines, which could include positioning tools.

  • 84: Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter.
  • 79: Other machines and mechanical appliances.
  • 89: Other machines and mechanical appliances.
  • 9560: Other Automotive maintenance machines.

• 8479909565: Parts: Other Other: Of machines or mechanical appliances for treating metal. While not directly a positioning tool, if the tool is a part of a larger metal treatment or engine maintenance machine, this code may apply.

  • 84: Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter.
  • 79: Parts.
  • 90: Other.
  • 9565: Of machines or mechanical appliances for treating metal.

Regarding HS code 8479899560, please note that this covers a broad category of automotive maintenance machines. Accurate classification will depend on the specific function and design of the crankshaft positioning tool.

The total tax rate for 8483101010 is 57.5% (基础关税 2.5%, 加征关税 25.0%, 2025.4.2后加征关税 30%). The total tax rate for 8479899560 is 32.5% (基础关税 2.5%, 加征关税 0.0%, 2025.4.2后加征关税 30%). The total tax rate for 8479909565 is 55.0% (基础关税 0.0%, 加征关税 25.0%, 2025.4.2后加征关税 30%).