12m (40ft) Expansion Trailer
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12m (40ft) Expansion Trailer

The heaviest of the range — a galvanised double-wing folding chassis built for our 40ft expander homes. Folds compact for transport, opens up on-site into a 6.2 × 11.8m platform on triple axles.

Starting from
$22,999
6.2 × 11.8 m
Expanded
2.2 × 11.8 m
Folded for transport
2.4 t
Tare weight
8 t
Max load capacity
Expansion trailer · 40ft

The full 12m flagship — biggest chassis in the range.

Same hot-dip galvanised, bolt-together build as its smaller siblings — scaled up to a 6.2 × 11.8m platform with heavier 100 × 200 main beams, 8 sets of expansion beams and triple axles. Built to carry our 40ft expander homes.

At a glance

Biggest chassis. Heaviest spec.

  • Hot-dip galvanised steel throughout
  • Bolted construction — no welds in the field
  • Heavier 100 × 200 main beams for the bigger load
  • Triple axles · 6 × 235/80R16 tyres on steel rims
  • 12" electric brakes on both braked axles
  • 12 adjustable jack legs for level set-up
  • ISO corner castings × 4 for container-spec fittings
  • Australian-standard tow coupling + breakaway cable
01 · Specifications

Dimensions, frame, axles & fittings.

Built bolt-together from hot-dip galvanised steel — no welds in the field. The 40ft chassis steps up to heavier 100 × 200 main beams and 8 sets of expansion beams to handle the larger platform and higher load rating.

Dimensions & footprint

Expanded
6200 × 11800 mm
Folded for transport
2200 × 11800 mm
Construction
Hot-dip galvanised, fully bolted
Tare weight
2.4 t
Max load
8 t
Tyres
6
Jack legs
12

Frame & Structure

Main beams
100 × 200 × 5.0 mm galvanised RHS — 6 longitudinal, 10 transverse
Secondary beams
50 × 100 × 4.0 mm galvanised RHS — 4 longitudinal, 36 transverse
Expansion beams + lifting columns
80 × 80 × 3.2 mm RHS — 8 sets
Adjustable jack legs
80 × 80 × 2 mm RHS — 12 legs around the perimeter
A-frame draw bar + front axle
1 set
Front rotating platform / turntable
60 × 120 × 5 mm galvanised SHS plate — 1 set
Hardware
Full bolt set supplied — no field welding required
Paint finish
Anti-rust primer + topcoat (colour customisable)

Running Gear & Fittings

Tyres & wheels
6 × 235/80R16 on 6 × 139.7 steel rims (triple-axle config)
Brakes
12" electric brake discs · 2 braked axles · straight axle · 6 × 139.7 · 59 × 200 length
Suspension
Leaf springs — 4 leaves, 7 mm thick
Tow coupling
1 set, to applicable Australian standards
Breakaway / safety cable
Aus-standard trailer wiring harness supplied
Indicators
2 sets, rear
Corner castings
4 × ISO corner fittings (for container handling)
Stairs
1 × entry stair set
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for your build?

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Prompt response
Fast lead times
Delivered fully built
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