Flywheel Gear 129T D4D for Volvo Engine Spare Parts Excavator Truck Forklift

Product Details

Product Overview

This Flywheel Gear with 129 teeth (129T) is a critical engine component specifically designed for the Volvo D4D diesel engine. As a precision-engineered spare part, it ensures reliable power transmission from the engine to the starter motor, providing essential torque and rotational stability for heavy-duty applications. Commonly used in a wide range of construction and industrial machinery, this flywheel gear is a direct replacement for OEM components.

Manufactured to original equipment specifications (OEM Size), this gear offers a perfect fit and long service life. It is suitable for excavators, trucks, forklifts, bulldozers, buses, loaders, and other equipment powered by the Volvo D4D engine. Whether you are a parts distributor, fleet manager, or repair shop, this flywheel gear is a cost-effective solution to keep your machinery operational.

Key Features & Benefits

• Exact Fitment: Designed specifically for the Volvo D4D engine, ensuring direct bolt-on installation without modifications.
• 129 Teeth Configuration: Precision-cut teeth provide positive engagement with the starter motor, reducing wear and ensuring reliable starting.
• Durable Construction: Manufactured from high-grade materials to withstand high torque loads and thermal stress in diesel engine environments.
• OEM Standard Size: Produced to match original equipment manufacturer dimensions, guaranteeing compatibility and performance.
• Cost-Effective Solution: Offers significant savings compared to genuine OEM parts without compromising on quality or durability.
• Rigorous Testing: Each unit undergoes outgoing inspection and machinery testing to verify dimensional accuracy and material integrity.
• Warranty Protection: Backed by a 6-month warranty for peace of mind against manufacturing defects.

Technical Specifications

OEM Cross-Reference

This flywheel gear is a direct replacement for the following OEM and aftermarket part numbers. Please verify your existing part number for compatibility:

• Volvo OEM Numbers: Compatible with Volvo D4D engine flywheel gear assemblies. (Specific OEM number may vary; please check your original part).
• Aftermarket Reference: Replaces standard flywheel gear for D4D engine applications.
• Alternative Designation: 129T Flywheel Ring Gear, D4D Starter Ring Gear.

Note: If you have an existing part number, please contact us for exact cross-reference confirmation.

Compatibility

This flywheel gear is commonly used for the following engine and vehicle applications. Fitment is based on standard OEM configurations:

• Engine: Volvo D4D Diesel Engine
• Vehicle/Equipment Applications: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, and other industrial machinery.

Important: Always verify the tooth count (129T) and engine model (D4D) to ensure correct fitment before purchase.

Global Supply & Distribution

We offer worldwide shipping and maintain a strong supply chain to serve international B2B buyers efficiently. Our key markets include:

• North America: Fast delivery to major ports and industrial hubs.
• Europe: Reliable logistics to EU countries with customs compliance.
• Asia-Pacific: Direct shipping from our warehouses in China to regional distribution centers.
• Middle East & Africa: Serving construction and mining sectors with expedited shipping options.

We have extensive export experience and comply with international trade regulations. Bulk orders and urgent shipments are handled with priority.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities in Guangdong and Guizhou, China, ensuring consistent quality control.
• Testing: Each flywheel gear is inspected through outgoing video inspection and machinery test reports to validate performance.
• Warranty: 6-month warranty against manufacturing defects, providing confidence in product reliability.
• Material Integrity: High-grade steel construction designed to resist fatigue and thermal expansion under heavy load.

FAQ

Q1: How do I confirm this flywheel gear fits my Volvo D4D engine?

A: Please verify your engine model is a Volvo D4D and count the teeth on your existing flywheel gear. This gear has exactly 129 teeth (129T). If your current gear matches these specifications, it is a direct fit. We recommend cross-referencing your OEM part number with our team for absolute confirmation.

Q2: What is the installation process for this flywheel gear?

A: Installation should be performed by a qualified diesel mechanic. The flywheel gear is typically pressed or bolted onto the flywheel assembly. Ensure the engine is secured, and the gear is aligned correctly with the starter motor pinion. Torque specifications should follow the engine manufacturer’s guidelines. Always replace the flywheel bolts if recommended by the service manual.

Q3: How do I maintain this flywheel gear for long service life?

A: Regular inspection of the gear teeth for wear or damage is recommended during routine engine maintenance. Ensure the starter motor is in good condition to avoid uneven wear on the gear teeth. Keep the gear and surrounding area clean from debris and oil contamination. If you notice hard starting or grinding noises, inspect the gear immediately for replacement.