Five-Axle Flatbed Semi-Trailer – The Ultimate Heavy-Haul Platform

Core Positioning: Premium Heavy-Duty Flatbed for Oversized Cargo & Maximum Payload Legal Haulage

Product Introduction

The Prime Mover Industries five-axle flatbed semi-trailer is a professional ultra-heavy transportation solution tailor-made for large-scale engineering projects, heavy industrial freight and long-distance cross-border oversized cargo logistics. Different from conventional 3/4-axle flatbed trailers limited by axle load standards, this 5-axle optimized layout realizes multi-point average load dispersion, breaking the bottleneck of legal payload limitation. It adopts an extended reinforced body structure and upgraded heavy-duty bearing system, perfectly adapting to 70–90-ton ultra-heavy cargo transportation demands. Designed for global high-standard road weight limit regulations, it solves the industry pain points of insufficient load capacity, easy overweight penalties and poor stability of ordinary flatbed trailers, being the optimal equipment for large fleets and engineering logistics enterprises to improve heavy cargo transportation efficiency.

Exclusive Core Advantages

Maximum Legal Payload, Zero Overweight Risk

The five-axle group scientific load distribution design effectively reduces single-axle pressure, realizing the largest legal payload within international highway axle load limits. Compared with four-axle models, it increases effective load capacity by 25%–30% without violating road traffic regulations. It completely avoids high fines, road access restrictions and detention risks caused by overload, greatly improving the pass rate of cross-border and long-distance heavy cargo transportation, and maximizing single-trip freight profit for fleets.

Ultra-Stable Driving for Oversized & Heavy Cargo

The 5-axle multi-support structure optimizes the overall gravity balance of the trailer, significantly reducing body rolling, shaking and lateral deviation during high-speed driving, sharp turning and complex road conditions. For super-heavy, high-center-of-gravity and oversized cargo such as large steel structures and complete engineering equipment, it provides unparalleled driving stability, effectively preventing cargo tilting, shifting and safety accidents, and adapting to mountain roads, bumpy industrial roads and long highway transportation scenarios.

Extended Reinforced Body & Fatigue Resistance Structure

Equipped with an extended ultra-long flatbed platform and thickened integral reinforced main beam and cross beam structure, the whole vehicle adopts one-piece stamping and full-depth submerged arc welding technology. The frame features high torsion resistance, strong compression resistance and non-deformation after long-term heavy-load operation. The overall structural fatigue resistance is far higher than that of conventional flatbed trailers, effectively reducing chassis damage and structural failure caused by long-term ultra-heavy transportation, and extending the whole vehicle service life.

Flexible Multi-Axle Lifting Option & Energy Saving

Support customized multi-axle airbag lift configuration (selectable 1/2/3 lift axles). During empty-load or light-load return trips, the idle axles can be lifted off the ground, reducing tire rolling resistance and wear by more than 35%. Meanwhile, it lowers fuel consumption and reduces road toll charges based on actual axle usage, effectively cutting the long-term comprehensive operation cost of heavy-duty fleets.

Strong Adaptability for Special Heavy Cargo

The ultra-long and ultra-wide flatbed design matches the transportation of 48ft/53ft extended containers, super-long steel components, integral mechanical equipment and other oversized cargoes that cannot be carried by 3/4-axle trailers. The modular lashing and fixing system is upgraded in an all-round way, with higher lashing tension and stronger fixing ability, meeting the stable transportation requirements of various irregular ultra-heavy cargoes.

Full Technical Specifications

Standard 5-Axle Heavy-Duty Version

Specification Item	Standard Configuration	Professional Upgrade Options
Overall Dimension	17000×2550×1650mm	15m/18m extended customized length
Axle Setup	5×13T heavy-duty integrated axles (FUWA standard)	5×16T super-heavy axles / multi-airbag lift axles
Tare Weight	9200kg	Lightweight high-strength alloy steel body
Rated Max Payload	75 Ton (Legal Road Load)	85–90 Ton ultra-heavy customized version
Suspension System	Reinforced heavy-duty mechanical suspension	Full air suspension + automatic height leveling system
Tire Specification	12.00R22.5 heavy-duty wear-resistant tires	Wide-base single tires / anti-explosion tires for mining areas
Main Beam Structure	Q345B high-tensile steel, thickened I-beam integral reinforcement	Q690 ultra-high strength wear-resistant steel
Flatbed Platform	4mm thickened anti-slip patterned steel plate	Hardwood anti-slip floor / reinforced anti-wear steel plate
Kingpin Specification	3.5-inch heavy-duty reinforced kingpin	Anti-wear alloy kingpin for frequent heavy-load operation
Landing Gear	35T super-heavy double-speed landing legs	Full hydraulic remote-control landing gear
Brake System	WABCO high-power brake + ABS anti-lock system	EBS electronic braking + emergency brake assist system
Cargo Fixing Device	20 standard high-strength twist locks + multi-group reinforced lashing rings	Full-surround guardrail + hydraulic rear loading ramp
Certification Standard	CE, DOT, GCC, ISO9001, SGS	Custom regional certification for special engineering transportation

Core Application Scenarios

Ultra-Heavy Engineering Machinery Transportation

Specially designed for the integral transportation of large-scale engineering equipment such as 50-ton+ excavators, large road rollers, cranes, pavers and complete mixing stations. The super-high bearing capacity and stable platform structure avoid equipment shaking and structural damage during transportation, meeting the long-distance transfer demands of engineering projects.

Oversized Industrial Heavy Cargo

Widely used for transporting super-long steel beams, large steel coils, prefabricated bridge components, wind power equipment, generator sets and other oversized and overweight industrial materials. The extended flatbed perfectly fits super-long cargo, and multi-axle load balance prevents local pressure overload and cargo deformation.

Extended Container Logistics

Compatible with 40ft/48ft/53ft extended shipping containers and special high-box containers. It can realize single-trip transportation of large-volume and heavy containers, solving the problem that ordinary flatbed trailers cannot carry extended containers or are prone to overload, and improving container logistics turnover efficiency.

Large-Scale Project Material Logistics

Serving infrastructure construction projects such as roads, bridges and mines, transporting bulk heavy building materials, mechanical accessories and mining equipment. It adapts to harsh working conditions of frequent heavy-load transportation and complex road surfaces, with strong environmental adaptability.

Professional Maintenance Guidelines for Heavy-Duty Use

Daily Pre-Operation Inspection

Focus on checking the fastening status of five-axle suspension U-bolts, axle fixing brackets and main beam welding seams to eliminate hidden dangers of loose parts and welding cracks caused by heavy load; uniformly calibrate the tire pressure of all five axles to ensure balanced stress and avoid single-axle overload wear; fully test the high-load braking performance and ABS/EBS system sensitivity; drain the air storage tank daily to prevent pipeline blockage and corrosion.

Cycle Professional Maintenance

• Every 3,000km: Lubricate five-axle wheel bearings, kingpins and landing gear transmission parts, and reinforce all chassis connecting bolts in full range;
• Every 15,000km: Detect suspension elasticity and shock absorber performance, replace aging brake pads, air seal parts and worn tire accessories;
• Every 40,000km: Calibrate five-axle parallelism and braking balance, conduct nondestructive testing on main beam welding seams, and perform overall chassis anti-rust maintenance and reinforcement.

Heavy-Load Operation Prohibitions

It is forbidden to drive at high speed with full ultra-heavy load to avoid excessive chassis fatigue; prohibit emergency braking and sharp turning under maximum load; do not park the vehicle for a long time with full load to prevent permanent deformation of the five-axle suspension and frame; avoid long-term single-side stress loading to ensure uniform stress of the whole vehicle structure.

Global After-Sales & Engineering Custom Service

Extended Heavy-Duty Warranty

For the exclusive five-axle load-bearing structure and integral frame, we provide a 5-year/350,000km ultra-long warranty; core heavy-duty axles and suspension systems enjoy a 3-year warranty; pneumatic, braking and electrical core components enjoy a 2-year warranty. Professional after-sales coverage for heavy-duty equipment ensures long-term stable operation of the trailer.

Customized Engineering Solution Support

Aiming at special heavy cargo and regional transportation regulations, we provide one-stop personalized modification services, including axle quantity lifting transformation, platform lengthening and widening, heavy-load fixing system upgrading, and regional standard certification adaptation, to meet the customized transportation demands of special engineering projects.

Global Fast Spare Parts & On-Site Service

Relying on global overseas warehouses, we provide fast supply of original heavy-duty spare parts for five-axle trailers, avoiding long-term shutdown losses caused by difficult parts matching. For large engineering fleet orders, we provide overseas on-site equipment debugging, driver operation training and regular return visit maintenance services, with multilingual technical manuals supporting global users.

Product Closing

Prime Mover Industries five-axle flatbed semi-trailer focuses on ultra-heavy and oversized cargo transportation scenarios that ordinary flatbed trailers cannot handle. With legal ultra-high payload, all-round stable performance and durable heavy-duty structure, it helps global engineering logistics and heavy-duty fleets break transportation capacity limits, reduce compliance risks and create higher operational benefits.

Contact our international sales team to obtain exclusive heavy-load transportation solutions, customized drawings and factory preferential quotations.