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By DNT Tools · Ningbo Dongning — professional tool manufacturer specializing in precision pliers, sockets, and automotive/industrial hand tools. Learn more: About Us.

Strong materials and precision construction are essential for cylinder liner pullers that’ll withstand demanding environments. Below are key criteria drawn from industry-leading mod

When removing cylinder liners, the right tools, clean parts, and precise technique make all the difference. Follow these OEM-backed best practices to prevent costly damage to engine blocks and liners.

Choosing the right installer is critical for a leak-free, long-lasting seal. Below we explain the most common oil seal installation tool types, when to use each, and practical tips to avoid lip damage, cocking, and rework—plus how DNT Tools can provide precision, OEM/ODM-ready solutions for your workshop.

Removing ball joints safely and efficiently requires the correct tool and process. This guide walks you through each step from vehicle setup to joint removal, with expert tips to ensure safe, damage-free suspension work.

Hydraulic pullers are indispensable in heavy-duty maintenance. They enable technicians to safely extract stubborn components with controlled force, reducing risk and downtime.

Working on live electrical systems requires certified tools. Insulated screwdrivers rated to 1000 V (IEC 60900) protect electricians against shock and arcing when used and inspected properly. Below is a practical guide on construction, testing, selection, and maintenance.

Discover high-performance repair tools for heavy-duty trucks and commercial vehicles. From engine rebuild kits to advanced diagnostics and axle service tools, we offer solutions trusted by mechanics worldwide. Meet us at CIHS 2025, Booth N3E60, to explore innovations in truck repair. Built for professionals. Ready for the road.

Discover high-performance repair tools for heavy-duty trucks and commercial vehicles. From engine rebuild kits to advanced diagnostics and axle service tools, we offer solutions trusted by mechanics worldwide. Meet us at CIHS 2025, Booth N3E60, to explore innovations in truck repair. Built for professionals. Ready for the road.

Overhauling a Weichai diesel engine demands precision, power, and the right toolkit. Whether you're servicing a WD618, WP10, or WD615.68 model, using the correct tools and parts is critical to restoring performance and ensuring long-term reliability. This guide outlines the most essential tools and components every technician should have for a successful overhaul—and how NBDN Tools supports professionals in doing the job right.

Although the structure of ZF gearbox is complex, its service life can reach hundreds of thousands of kilometers as long as the scientific maintenance rhythm is mastered, combined with appropriate maintenance tools and professional intervention. We will continue to pay attention to the new maintenance technology of ZF products and provide professional tools and technical support for the majority of maintenance technicians.

FAST Gearbox Repair Tools are now ready for mass production. Designed for FAST manual and AMT transmissions, they improve efficiency, reduce damage risk, and support standardized repair. Dealer partnership opportunities are now open

DNT has successfully developed and mass-produced specialized repair tools for ZF 12TX and 16S gearboxes, marking a breakthrough in localized, high-precision tooling. Designed for heavy-duty truck service, the tools meet OEM standards, enhance repair efficiency, and reduce costs—now deployed nationwide and ready for export.

Cylinder scuffing can severely impact engine performance. Causes include poor break-in, improper clearances, overheating, poor filtration, and injector or cooling failures. DNT engine repair tools help ensure safe, efficient disassembly and reduce secondary damage, offering high performance, ease of use, and great value for professional engine maintenance.