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Practical guides and industry insights from the HUAYU engineering team — covering trailer selection, maintenance best practices, manufacturing processes, and shipping logistics. Whether you are a first-time buyer or managing a large fleet, our articles help you make informed purchasing decisions.
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How Much Does a Tank Trailer Hold? A Manufacturer's Capacity Guide for Fuel, Water, Milk, Chemical, and LPG
May 9, 2026
Tank trailer capacity ranges 5,500 to 11,600 US gallons or 21,000 to 44,000 liters. HUAYU explains capacity by cargo, DOT class, ullage, and region.
How Does a Tanker Trailer Work? A Manufacturer's Mechanical Walkthrough
May 7, 2026
How does a tanker trailer work? A factory engineer walks through baffles, bottom valves, vapor recovery, pumps, and the surge physics that makes tankers tip over.
What Is an RGN Trailer? How Is It Different from a Low Bed Trailer?
Apr 9, 2026
Learn the key differences between RGN (removable gooseneck) trailers and lowboy trailers — specs, capacity, cost, stability, and front-loading vs rear-loading.
What Is SPMT? Learn Basics of Self-Propelled Modular Transporters
Apr 9, 2026
What SPMTs are, how they work, key components and specifications, steering types, PPU details, load capacity, and the top SPMT manufacturers worldwide.
Common Faults and Solutions of Trailer Air Suspension Airbag
Apr 4, 2026
Diagnose and fix wrinkled airbags, low air pressure, and leveling valve failures on trailer air suspension systems with step-by-step repair methods.
How to Buy a Fuel Tank Trailer?
Apr 4, 2026
Practical guide to buying a fuel tank trailer: materials (carbon steel vs aluminum vs stainless steel), tank shapes, loading systems, safety equipment, and real pricing.
How to Choose a Reliable Semi Trailer Manufacturer
Apr 4, 2026
A practical guide to evaluating semi trailer manufacturers in China — what to check on procurement, engineering, quality control, export experience, and after-sales support before placing your order.
Semi Trailer Landing Leg: Types, Selection, and Maintenance
Apr 4, 2026
Practical guide to semi trailer landing legs covering operation modes, tube shapes, gear types, foot styles, load ratings, and maintenance — from a manufacturer's perspective.
What Quality Inspections Are Performed After Oil Tank Semi-Trailer Production?
Apr 4, 2026
Post-production quality inspections for oil tank semi-trailers: visual checks, air tightness tests, hydrostatic pressure tests, ultrasonic testing, and radiographic detection.
Semi Trailer Frame: How Frame Design Determines Carrying Capacity
Apr 4, 2026
Manufacturer's guide to semi-trailer frame design: steel grades, beam profiles, stiffness vs. strength, weight reduction, and how these choices set your trailer's payload capacity.
What Liquids Can Tank Semitrailers Transport?
Apr 4, 2026
Tank semitrailers carry petroleum, chemicals, acids, edible oils, and water — each requiring different tank materials, pumps, and metering. A manufacturer's guide.
What Should You Pay Attention to When Buying a Tanker Trailer for the First Time?
Apr 4, 2026
First-time tanker trailer buying guide: how to pick a real manufacturer, choose tank material and volume, configure compartments, spec axles and tires, and inspect on delivery.