14-Meter Three-Axle Flatbed Semi-Trailer – Extended-Length Heavy Hauler

Built for oversized cargo with a 14-meter platform and tri-axle stability

Product Overview

Prime Mover Industries introduces its 14-Meter Three-Axle Flatbed Semi-Trailer – a purpose-built extended-length transport solution designed for cargo that simply doesn‘t fit on standard-length trailers. With a 14-meter (45.9-foot) loading platform, this tri-axle flatbed delivers the extra length needed for steel beams, precast concrete sections, wind turbine components, long pipes, and oversized industrial equipment – without compromising on stability, durability, or payload capacity.

Flatbed semi-trailers typically range from 12 meters to over 15 meters in length, allowing for longer loads to be carried. At 14 meters, this trailer occupies the sweet spot of the extended-length flatbed segment – long enough to handle most oversized cargo, yet compact enough to maintain maneuverability on highways and job sites.

The three-axle configuration ensures superior weight distribution and road stability, while the high-strength steel chassis delivers the structural integrity needed for concentrated heavy loads. Whether you are transporting structural steel for a high-rise project, bridge girders for infrastructure development, or long pipes for the oil and gas industry, this 14-meter flatbed is engineered to get the job done.

Key Specifications

Specification	Details
Model	TLE-14-3A Extended Flatbed
Platform Length	14,000 mm (45.9 ft)
Platform Width	2,500 – 2,550 mm
Overall Height (without headboard)	1,500 – 1,650 mm
Number of Axles	3
Axle Capacity	3 × 13 tons
Max. Payload	34,000 – 40,000 kg
Tare Weight	Approx. 5,500 – 6,600 kg
Gross Vehicle Weight	40,000 kg
Axle Load	-/24,000 kg (tri-axle group)
Main Beam Material	Q345B high-strength low-alloy steel
Flooring	Wood flooring or diamond plate steel
King Pin	JOST, 2″ (50mm) or 3.5″ (90mm)
Landing Gear	28-ton capacity, two-speed
Suspension	Mechanical leaf spring – Air suspension optional
Axle Brand	FUWA / BPW / customer-specified
Tires	11.00R20 or 12R22.5, 12 pcs
Brake System	Dual-line air brake, WABCO valves
ABS System	Optional anti-lock braking system
Electrical System	24V LED lighting
Certifications	ISO 9001, CCC, ISO/TS16949

Design Highlights – Engineered for the Long Haul

Extended 14-Meter Platform – Room for What Matters

The defining feature of this trailer is its 14-meter loading platform – a full 1 to 2 meters longer than standard flatbeds. This extra length opens up new cargo possibilities:

• Structural steel – Long steel beams and columns that would overhang on shorter trailers
• Precast concrete – Bridge girders, wall panels, and other prefabricated components
• Pipes and tubing – Long sections for oil, gas, and water infrastructure
• Wind turbine components – Blade segments and tower sections
• Industrial equipment – Oversized machinery that requires extended deck space

The extended platform means fewer trips, reduced logistics costs, and the ability to accept cargo that competitors with shorter trailers must turn away.

High-Strength Steel Chassis – Built for Concentrated Loads

Longer trailers face unique structural challenges – the longer the span, the greater the bending moment under load. Prime Mover Industries addresses this with a reinforced chassis fabricated from Q345B high-strength low-alloy steel.

The main beams feature a welded I-section design with optimized flange and web thicknesses, delivering exceptional resistance to bending and torsion. The use of 16Mn high-strength structural steel provides strength approximately 1.6 times that of ordinary steel frames, ensuring the trailer maintains its structural integrity even under the concentrated loads typical of steel and machinery transport.

Cross members are spaced and reinforced to distribute loads evenly across the full 14-meter length, preventing sagging and ensuring long-term durability.

Tri-Axle Stability – Confidence at Full Length

A 14-meter platform demands exceptional stability – and the three-axle configuration delivers. With three axles distributing the load across 12 tires, the trailer maintains a stable center of gravity even when carrying long, heavy cargo.

The axle group is rated for 24,000 kg (tri-axle group) , with each axle carrying a portion of the overall weight. This configuration:

• Reduces stress on individual components
• Extends tire life by spreading load across more tires
• Improves braking performance with more contact patches
• Enhances road stability – particularly important for long, wind-sensitive cargo

The tri-axle layout makes this 14-meter flatbed an efficient choice for medium-to-long haul bulk freight transport.

Premium Suspension & Braking

The trailer is equipped with a heavy-duty mechanical leaf spring suspension, with spring options ranging from -/1/1/1 to -/16/16/16 leaf configurations to match specific load requirements. Optional air suspension is available for applications requiring enhanced ride quality and load protection.

The dual-line air brake system with WABCO relay valves delivers reliable stopping power across all three axles. An anti-lock braking system (ABS) is available as an option for enhanced safety in emergency braking situations.

Durable Flooring Options

The 14-meter deck is available with:

• Wood flooring – Traditional choice offering natural friction and impact resistance
• Diamond plate steel – Enhanced durability for heavy machinery and steel cargo

Comprehensive Surface Protection

Every trailer undergoes a thorough finishing process:

• Sandblasting for superior surface preparation
• Anti-corrosion primer – one coat
• High-durability top coats – two finish coats

This three-stage process ensures long-lasting protection against rust and corrosion, even in demanding environments.

Applications – Where 14 Meters Makes the Difference

Industry	Typical Cargo
Construction & Infrastructure	Steel beams, bridge girders, precast concrete panels, rebar bundles
Oil & Gas	Long pipe sections, drill pipe, wellhead equipment
Wind Energy	Tower sections, blade segments, nacelle components
Industrial Equipment	Oversized machinery, production line components, transformers
Steel Industry	Structural steel, plates, long sections, pipe bundles
Port & Intermodal	Containers, heavy machinery, project cargo
Mining	Conveyor sections, crusher components, long equipment

Customization Options

Prime Mover Industries offers extensive customization to match your specific operational requirements:

• Platform width – Standard 2,500mm or wider up to 2,550mm
• Flooring – Wood, diamond plate steel, or anti-slip composite
• Suspension – Mechanical leaf spring (standard) or air suspension
• Axle brands – FUWA (standard), BPW, or customer-specified
• King pin – 2″ (50mm) or 3.5″ (90mm), bolted or welded
• Tire specifications – 11.00R20, 12R22.5, or 315/80R22.5
• Brake system – Standard dual-line or EBS with ABS
• Headboard – Fixed, foldable, or none
• Side rails – Fixed or removable
• Twist locks – For container transport capability
• Tie-down system – D-ring channels, stake pockets, or combination
• Color – Any RAL code
• Additional features – Toolboxes, hydraulic ramps, winch mount, load securing tracks

Quality Assurance & Certifications

• ISO 9001:2015 – Quality Management System
• CCC – China Compulsory Certification
• ISO/TS16949 – Automotive Industry Quality Management
• 100% factory inspection – Every unit undergoes load test, brake test, and dimensional verification
• Third-party inspection – Available via BV, SGS, or TÜV at customer request

Why Choose Prime Mover Industries?

Advantage	Benefit
Extended-Length Expertise	Purpose-built 14-meter platform for oversized cargo that doesn‘t fit standard trailers
High-Strength Engineering	Q345B steel chassis with 1.6× the strength of ordinary steel frames
Tri-Axle Stability	Superior weight distribution and road stability for long, heavy loads
Premium Components	JOST, WABCO, FUWA/BPW – lower TCO and readily available spare parts
Proven Durability	Designed for concentrated loads and demanding operating conditions
Global Export Track Record	Shipped to customers across 5 continents
Short Lead Times	25–35 days for standard orders
Responsive After-Sales	Technical support and spare parts sourcing
Competitive Pricing	Advanced manufacturing with cost-efficient production

Technical Specifications Summary

Parameter	Value
Platform Length	14,000 mm
Platform Width	2,500 – 2,550 mm
Deck Height	1,500 – 1,650 mm
Tare Weight	~5,500 – 6,600 kg
Max Payload	34,000 – 40,000 kg
Gross Weight	40,000 kg
Axles	3 × 13T
Suspension	Mechanical / Air (optional)
Main Beam	Q345B high-strength steel
King Pin	JOST 2″ or 3.5″
Brake System	WABCO dual-line
Tires	11.00R20 / 12R22.5 (12 pcs)
Certifications	ISO 9001, CCC, ISO/TS16949