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Heavy-Duty Lowbed Trailers Engineered for UK & European Heavy Haulage — STU Trailers

Heavy-Duty Lowbed Trailers Engineered for UK & European Heavy Haulage

2 to 8 Axles | Fixed or Extendable | Heavy Machinery Transport

STU lowbed trailers are manufactured for heavy equipment transport: excavators, dozers, wheel loaders, graders, agricultural machines, industrial cargo and oversized loads, where low loading height, rear ramp loading and stable road behaviour are essential. As a lowbed trailer manufacturer in Konya, Türkiye, STU builds fixed and extendable low loader and lowboy configurations from 2 to 8 axles, with axle, suspension, steering, ramp and deck options selected around your cargo, route and market requirements.

Operational Advantages for Heavy Equipment Logistics

A low deck and rear ramps let excavators, dozers, wheel loaders, graders and agricultural machines drive on and travel at a lower overall height. Ramps are one-piece hydraulic or foldable hydraulic units, sized to the machine's track width and ground clearance. Platform widths of 2,550 mm, 2,750 mm or 3,000 mm and fixed or telescopic chassis are chosen for the cargo and the route permits; payloads run from 60 to 100 tonnes depending on axle count and permits.

Configurable 2 to 8 Axle Options (SAF, BPW, GIGANT, TRAX)

Lowbeds are built in families of 2 to 8 axles, each with a fixed or extendable chassis. Axles come from SAF, BPW, GIGANT or TRAX to match your service network; suspension is air or mechanical leaf spring, and steering is passive or hydraulic. Chassis steel is S355J2+N, or S700MC PLUS and S960 grades where tare weight must come down: chassis steel compared. For sites with tight turns, the Hydraulic Steering Low Loader adds active axle steering.

Highlights

2 to 8 Axle Configurations

2 to 8 Axle Configurations

Fixed or Extendable Chassis

Fixed or Extendable Chassis

Lowbed Trailer Manufacturer

Lowbed Trailer Manufacturer

Special Purposes Special Trailers

Special Purposes Special Trailers

Special Superstructures on Lowbed Trailers

Special Superstructures on Lowbed Trailers

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Key Features

Chassis & Steel

Lowbed Trailer Manufacturer

Lowbed Trailer Manufacturer

The STU lowbed chassis is manufactured around load distribution, axle family, deck geometry and route requirements. Steel selection, gooseneck structure, beam geometry and reinforcement details are evaluated according to the selected lowbed configuration.

Steel

S355J2+N or S700MC PLUS

Choose S355J2+N for economical standard builds or S700MC PLUS (from SSAB Co.) for weight reduction through stronger steel.

High Strength

S700MC / Strenx Option

Steel of high strength can be evaluated for configurations where weight matters or special requirements apply where payload logic, chassis strength and tare weight must be balanced.

Manufacturer

Lowbed Trailers Configured for Your Load

Axle layout, deck length, ramp type and running gear are selected for the machine being carried and the route it travels, so the chassis, deck and gooseneck are specified together rather than assembled from a fixed build.

Configurable

Component Choice

Axle, brake, hydraulic, suspension and tyre selections can be aligned with the buyer's market, fleet standard and service network.

Axle Families

2 to 8 Axle Configurations

2 to 8 Axle Configurations

STU lowbed trailers can be manufactured in families with 2, 3, 4, 5, 6, 7 or 8 axles. Each axle family can be evaluated with fixed or extendable chassis logic according to cargo length, route restrictions, axle load rules and operating market.

3 axles

Lowbed with 3 axles, fixed or extendable

A balanced configuration for daily heavy equipment transport, excavators, loaders and regional construction machinery logistics.

4 axles

Lowbed with 4 axles, fixed or extendable

More axle footprint for heavier machines, demanding routes and stronger load distribution requirements.

5 axles

Lowbed with 5 Axles (Fixed or Extendable)

A robust project transport configuration where axle distribution, platform stability and route planning become more critical.

6 axles

Lowbed with 6 axles, fixed or extendable

A lowbed configuration offering high capacity for demanding machinery transport and constrained operations.

8 axles

Lowbed with 8 axles, fixed or extendable

A maximum multiple axle lowbed solution for oversized machinery and heavy project cargo, engineered according to route permits and legal axle load limits.

Steering Axle Options

Passive Steering or Hydraulic Steering

Passive Steering or Hydraulic Steering

Lowbed trailers can be configured with passive steering or hydraulic steering axles. The choice follows route geometry, turning requirements and operator preference.

Passive Steering

Passive Steering Solutions

A practical option for improved manoeuvrability and reduced tyre scrub in configurations where passive steering supports the daily route profile.

Hydraulic

Hydraulic Steering Solutions

Hydraulic steering can be applied where turning radius is critical, the trailer operates in challenging route geometry or axle movement needs closer control.

Multiple Axles

Steering for Multiple Axles

For different lowbeds, steering pattern should be engineered according to axle layout, chassis length, payload distribution and route permit requirements.

Efficiency

Tyre Wear and Yard Manoeuvring

Correct steering selection helps reduce lateral tyre scrub and supports easier handling in yards, roundabouts, industrial zones and project sites.

Ramps & Loading

Rear Ramp Loading for Tracked and Wheeled Machinery

Rear Ramp Loading for Tracked and Wheeled Machinery

Hydraulically operated rear ramps for safe loading of tracked and wheeled equipment. Ramp type, width and angle are selected for the machine, its ground clearance and the daily loading routine, and STU can configure single piece or foldable hydraulic ramps with two sections, or aluminium ramps and access equipment, by specification.

Take a closer look.

3 Axle Lowbed Trailer

3 Axle Extendable Lowbed Trailer

4 Axle Lowbed Trailer

4 Axle Extendable Lowbed Trailer

5 Axle Lowbed Trailer

5 Axle Extendable Lowbed Trailer

6 Axle Extendable Lowbed Trailer

8 Axle Extendable Lowbed Trailer

Options & Equipment

The same option pool applies to any axle count (2 to 8) and to both fixed and extendable chassis.

Chassis Steel & Deck Surface

  • • S700MC strong chassis steel for lowbed builds optimised for weight
  • • Hardwood deck floor for durable heavy equipment transport
  • • Plywood deck floor for protected cargo contact and lighter duties
  • • Iroko or Sapelli tropical hardwood floor for the highest wear resistance
  • • Omega profile supports beneath the deck boards for added stiffness
  • • Chequered steel floor for heavily used deck zones requiring grip protection.

Extensions, Recesses & Support Profiles

  • • Excavator arm recess / rear well for lower transport height
  • • Machine wheel pockets for stable machinery positioning
  • • Sliding bolster on extension for extendable lowbed support
  • • Lateral extension brackets for wider machinery transport
  • • Lateral extensions to vary the width of the low loader deck
  • • Trestle / desk option for cargo support on low loader builds
  • • Vertical pillar pocket rows for flexible side support
  • • Galvanised pillars and pockets for corrosion resistant side support

Load Securing & Cargo Handling

  • • Robust lashing rings for secure machinery transport
  • • Ferry lashing rings for roll on roll off and international transport routes
  • • Detachable container locks / twistlocks by specification
  • • Loading winch for controlled cargo handling and positioning
  • • Ladders and access solutions

Axles, Wheels & Steering

  • • TRAX, MPD, SAF, GIGANT or BPW axle options matched to market and service network
  • • Passively steered axles to improve manoeuvrability and reduce tyre scrub
  • • Hydraulic steering axles for tight route geometry and controlled turning
  • • Aluminium rims for selected configurations where weight matters

Ramps, Landing Gear & Hydraulics

  • • Hydraulic ramps made in one piece for fast daily machinery loading
  • • Foldable hydraulic ramps for flexibility in the approach angle
  • • Galvanised ramps for corrosion resistant ramp surfaces
  • • Gooseneck aluminium loading ramps for access and service tasks
  • • SAF landing gear and JOST kingpin options by specification

Lighting, Safety, Finish & Storage

  • • ASPOCK LED lighting package for 24V trailer electrical systems
  • • HELLA working lights for improved night loading visibility
  • • HELLA LED rear lights for durable stop and signal lighting
  • • Flashing beacon light for oversized cargo and worksite visibility

Protection, Coating & Finish

  • • Metallization for enhanced corrosion protection on selected steel parts
  • • Galvanisation for corrosion resistant components and exposed equipment
  • • Paint with grip protection for safer access on working surfaces

Toolboxes & Storage

  • • Painted steel toolbox mounted on the side for daily equipment storage
  • • Stainless steel toolbox mounted on the side for corrosion resistant storage
  • • Steel toolbox spanning the gooseneck width for generous storage capacity
  • • Stainless steel toolbox spanning the gooseneck width for premium storage
  • • Aluminium toolbox spanning the gooseneck width for lightweight storage
  • • Hardwood storage box for deck equipment and support materials

Spare Wheel & Carrier

  • • Spare wheel holder for lowbed trailer operation on the road

In the Field

In the Field

Global Reach

Trusted by operators all over Europe.

Frequently Asked Questions

What is a lowbed trailer used for?

A lowbed trailer is used to transport heavy machinery and equipment: such as excavators, dozers, loaders, graders, and agricultural machines, where low loading height and stable road performance are required.

Can lowbed trailers be built as fixed or extendable?

Yes. STU lowbed trailers can be built as fixed or extendable (telescopic) across families with 2, 3, 4, 5, 6, 7 or 8 axles. Choose a fixed chassis for daily standard loads, and an extendable chassis when cargo length varies or projects include long machines.

Hydraulic ramp or foldable ramp, what should I choose?

Choose hydraulic ramps made in one piece for fast daily loading. Choose foldable ramps when flexibility in the approach angle is important or when loading different machine types frequently.

2550 mm or 2750 mm, what platform width should I choose?

The right width depends on local road limits and your typical machine width. Wider platforms can make loading and securing easier for wide equipment.

What is the difference between passive steering and hydraulic steering axles?

Passively steered axles respond to cornering forces. Hydraulic steering axles provide active steering control, often preferred for tight route geometry and reduced tyre scrub.

Can I specify hydraulic steering axles on any lowbed model?

Yes. Hydraulic steering (hydraulic turning) axles can be configured on any lowbed axle family (2/3/4/5/6/7/8) on request.

Can I choose the axle brand?

Yes. Axle brand is selectable across all models: TRAX, GIGANT, BPW, SAF.

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Tech Specs

Trailer Type

Lowbed Trailer

Axle Families

2, 3, 4, 5, 6, 7 or 8 axle configurations

Chassis Type

Fixed chassis or extendable telescopic chassis available.

Main Use

Heavy equipment, construction machinery, agricultural machines, industrial cargo, infrastructure equipment and oversized transport

Typical Cargo

Excavators, bulldozers, wheel loaders, graders, cranes, rollers, tractors, harvesters, drilling machines and project cargo

Chassis Steel

S355J2+N structural steel of high strength; S700MC PLUS / Strenx steel of high strength or S960 Steel Grades

Platform Width

Common width options include 2,550 mm or 2,750 mm or 3,000 mm or more.

Ramp Type

Hydraulic ramps made in one piece, foldable hydraulic ramps

Axle Brands

TRAX / GIGANT / BPW / SAF options according to service network and configuration

Suspension

Air suspension or mechanical leaf spring suspension

Steering

Passive steering or hydraulic steering solutions

Braking System

ABS / EBS options according to market requirements with Wabco or Knorr Bremse brands

Tyres

Pirelli Bridgestone, Continental, Lassa, Starmaxx and others

Electrical System

ASPÖCK Brand 24V electrical system with LED lighting package

Hydraulics & Control

Electrohydraulic power pack options, radio remote control, hydraulic landing gear and hydraulic steering options by specification

Surface Protection

Coating, Zinc Coating, Painting in two layers

Optional Equipment

Toolboxes, widening boards, lashing rings, ferry rings, lifting axle, warning panels, spare wheel carrier, winch, support profile storage and bespoke equipment

More information

STU Lowbed Trailers, also searched as low loader trailers, lowboy trailers and low bed semi trailers, are manufactured for heavy equipment transport across construction, agriculture, infrastructure, mining support, industrial logistics and project cargo operations. The product range can be configured with 2 to 8 axles, fixed or extendable chassis, rear ramp loading, air or mechanical suspension, steering axle options and bespoke equipment.

What is a lowbed trailer used for? A lowbed trailer is used to transport heavy machinery and oversized cargo such as excavators, dozers, wheel loaders, graders, cranes, agricultural machines and construction equipment. Its low platform height helps reduce total transport height and supports stable heavy equipment movement.

What is the difference between a lowbed trailer, low loader trailer and lowboy trailer? These terms are closely related and often describe the same type of heavy equipment transport semi trailer. Lowbed trailer is common in international B2B searches, low loader trailer is widely used in Europe and lowboy trailer is common in North America.

Can lowbed trailers be built as fixed or extendable? Yes. STU can manufacture fixed or extendable lowbed trailers across the axle families. Choose fixed chassis for daily standard loads; choose extendable chassis when cargo length varies or projects include long machinery, steel structures or oversized loads.

How many axles can a STU lowbed trailer have? STU lowbed trailers can be configured from 2 to 8 axles depending on cargo weight, route conditions, local legal limits, axle load rules and engineering review.

Hydraulic ramp or foldable ramp, what should I choose? Choose hydraulic rear ramps for fast daily loading and controlled operation. Choose foldable ramp solutions when flexibility in the approach angle, transport length or different machine types require another loading layout.

2550 mm or 2750 mm, what platform width should I choose? The right platform width depends on local road limits, route permits and the typical machine width. Wider platforms can make loading and securing easier for certain machinery, but local regulations must be checked before specification.

All dimensions, axle loads, payload values and equipment selections depend on trailer configuration, local road regulations, route permits and customer requirements. Final technical details should be confirmed during quotation and engineering review.

Images may show optional equipment, bespoke components or bespoke configurations

Get in Touch: +44 7537 141132 or mehmet.yildiz@stutrailers.co.uk. Fevziçakmak, 10664. Sk. No:30/1, 42050 Karatay/Konya
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