Yanmar 3TNV74F-SPFN rebuilt engine | Weihuparts

Yanmar 3TNV74F-SPFN rebuilt engine — Reliable power for your excavator

Weihuparts offers expertly rebuilt Yanmar 3TNV74F-SPFN rebuilt engine units engineered to restore performance and extend the life of your excavator. Each engine undergoes a complete teardown and reconditioning process to ensure reliable start-up, consistent power delivery, and long-term durability for routine tasks or demanding applications.

Features & Specifications

The Yanmar 3TNV74F-SPFN rebuilt engine includes precision-machined components, inspected fuel and injection systems, and replacement of wear parts to meet or exceed OEM tolerances. Weihuparts focuses on robust seals, honed cylinders, and calibrated timing to deliver consistent torque and fuel efficiency across diverse operating conditions.

Quality Assurance & Rebuild Process

Every Yanmar 3TNV74F-SPFN rebuilt engine from Weihuparts passes multi-point inspections, dyno testing, and certified quality checks. Our R&D and engineering teams use industry-proven rebuild protocols and traceable parts to guarantee that each remanufactured engine performs to specification and arrives ready for installation.

Compatibility & Applications

Designed for a range of compact excavators and utility machinery, the Yanmar 3TNV74F-SPFN rebuilt engine is ideal for contractors, rental fleets, and maintenance workshops. Weihuparts provides fitment guidance and compatibility support to ensure you receive the correct rebuilt unit for your model and operating requirements.

Why Choose Weihuparts

Weihuparts combines cost-effective pricing with fast global delivery and professional after-sales service. With a commitment to innovation, sustainability, and customer partnerships, Weihuparts ensures the Yanmar 3TNV74F-SPFN rebuilt engine meets both performance expectations and budgetary needs.

Ordering, Warranty & Support

Ordering a Yanmar 3TNV74F-SPFN rebuilt engine is straightforward: consult our parts team for model verification, lead times, and shipping options. Weihuparts offers warranty coverage and technical support to minimize downtime and get your excavator back to work quickly.

Commitment to Continuous Improvement

Backed by ongoing R&D, Weihuparts continually refines rebuild processes and component design to enhance reliability and efficiency. Choose Weihuparts for a trusted partner that delivers High Quality rebuilt engines and comprehensive service across the excavator parts lifecycle.