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175-3129 SHAFT for CAT G3516B/G3520B

175-3129 Throttle Shaft is a dedicated shaft component for the throttle valve system used with CAT G3516B and G3520B applications. Technical documentation identifies it as the throttle shaft in the Woodward 8235-300 throttle valve assembly. It supports mechanical throttle movement and is suitable for engine maintenance, repair, and overhaul applications.

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ItemSpecification
Product NameThrottle Shaft
Part Number175-3129
BrandCAT
Machine ModelG3516B / G3520B
Weight0.5 KG
MaterialNot specified by manufacturer
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock
OriginChina

Features & Benefits

  • 175-3129 Throttle Shaft is a shaft component used in the throttle valve assembly for CAT G3516B and G3520B engine applications.
  • Designed to work as part of the throttle valve mechanism and support accurate throttle movement.
  • Helps transmit mechanical movement within the throttle valve assembly during engine operation.
  • Manufactured as a dedicated component for the corresponding valve assembly rather than a general-purpose shaft.
  • Suitable for maintenance, repair, and overhaul work on heavy-duty gas engine throttle systems.
  • A practical replacement option when the original throttle shaft is worn, damaged, or requires service.

Compatible Machine

The 175-3129 Throttle Shaft is associated with CAT G3516B and G3520B engine applications. Technical documentation identifies 175-3129 as the throttle shaft used in the Woodward 8235-300 throttle valve assembly. Customers should verify the engine serial number and throttle valve configuration before ordering.

Applications

  • Mining
  • Quarry
  • Construction
  • Heavy Earthmoving
  • Large Infrastructure Projects

The component is suitable for demanding gas-engine applications where reliable throttle control is important for stable engine operation and system response.

Why Choose YLCM?

  • 20+ Years Experience – Extensive experience in construction and mining machinery parts.
  • Large Warehouse – Supports efficient sourcing and order preparation.
  • Fast Delivery – Streamlined quotation and logistics coordination.
  • Genuine & OEM Parts – Genuine, OEM, and quality replacement solutions available.
  • Export to 60+ Countries – Supporting customers across global markets.
  • Professional Technical Support – Assistance with part identification and compatibility verification.

Packaging

YLCM uses export-standard packaging to protect precision engine components during storage, handling, and international transportation. Depending on the order quantity and shipping requirements, packaging may include standard export cartons, heavy-duty wooden cases, moisture-proof protection, anti-rust treatment for applicable metal surfaces, shock-proof materials, and secure fixing.

Shipping

YLCM provides flexible international logistics solutions according to destination, order quantity, and delivery requirements:

  • Sea Freight
  • Railway Transportation
  • Land Transportation
  • Multimodal Logistics Solutions

Request a Quote

Looking for 175-3129 Throttle Shaft for CAT G3516B or G3520B? Contact YLCM for the latest quotation, availability, lead time, export packaging, and shipping options. Provide the engine model, serial number, throttle valve information, required quantity, and part number so our technical team can help verify the correct component before shipment.

Frequently Asked Questions

Q1: What is 175-3129?
175-3129 is a throttle shaft used in a throttle valve assembly. Woodward documentation identifies it as the throttle shaft for the 8235-300 assembly.

Q2: Which CAT engines use 175-3129?
The supplied application information covers CAT G3516B and G3520B. Compatibility should be confirmed against the specific engine and throttle valve configuration.

Q3: What does the throttle shaft do?
The throttle shaft transfers mechanical movement within the throttle valve assembly, supporting throttle control during engine operation.

Q4: Is 175-3129 a complete throttle valve assembly?
No. 175-3129 is the shaft component within the throttle valve assembly, not the complete valve assembly.

Q5: When should the throttle shaft be replaced?
Replacement may be required when the shaft is worn, damaged, or when excessive play or abnormal throttle valve operation is found during inspection.

Q6: Can YLCM supply other CAT G3516B and G3520B parts?
Yes. YLCM can source engine assemblies, throttle and fuel-system components, pumps, sensors, wiring harnesses, filters, gaskets, and other replacement parts.

Q7: What warranty does YLCM provide?
The standard warranty for this product is 6 months. Specific warranty conditions can be confirmed before order confirmation.