Step deck / single drop · Trail King

TK80ACS

34 in loaded deck / 17.5 in tyres

Full model specifications →

Step deck / single drop

How this platform works

A steel centre frame with aluminium decking and one drop behind the upper deck. Three published deck-height references keep tyre, clearance and tare differences visible.

Treat the upper deck and lower main deck as separate working areas.

Loading path

Crane / forklift · Rear ramps if specified

Side or crane loading needs access to both deck levels. Drive-on loading requires the specified ramps and a checked transition path.

Supporting the load

An overall trailer length includes the upper deck and other structure. Do not subtract one published span to invent a usable lower-deck length.

Other configurations of this model

Compare the changes in height, coupling or extension state before switching references.

Dimensions that govern this configuration

Usable support space, nominal deck spans and the overall transport envelope remain separate measurements.

J
Upper-deck length10 ft3,048 mm

Documented spans Shared numeric scale

J Upper-deck length: 10 ft; D Main-deck height: 2 ft 10 in; A Overall transport length: 47 ft 10 in; C Overall / side-rail width: 8 ft 6 inJ10 ftD2 ft 10 inA47 ft 10 inC8 ft 6 in

Spans compare documented values. They are not positioned or scaled to the photograph.

Manufacturer stated; loading condition not specified

View dimension source ↗

Documented dimensions

Deck & transport envelope

Overall transport length
47 ft 10 in14,580 mm · Manufacturer stated; loading condition not specifiedSource ↗
Overall / side-rail width
8 ft 6 in2,591 mm · Manufacturer stated; loading condition not specifiedSource ↗
Upper-deck length
10 ft3,048 mm · Manufacturer stated; loading condition not specifiedSource ↗

Height & loading

Main-deck height
2 ft 10 in864 mm · loadedSource ↗
Ground clearance
9 in229 mm · loadedSource ↗

Coupling & running gear

Kingpin setback
1 ft 2 in356 mm · Manufacturer stated; loading condition not specifiedSource ↗
Axle spacing
4 ft 2 in1,270 mm · Manufacturer stated; loading condition not specifiedSource ↗

Still needed from the build sheet

  • Main deck / well length (nominal)
  • Usable main deck / well length
  • Usable support width

Ratings & support conditions

distributed80,000 lb36,287 kg

Distributed across deck

Rating source ↗
concentrated · 10 ft support length60,000 lb27,216 kg

Load supported over 10 ft

Rating source ↗
tare9,575 lb4,343 kg

Published base weight; options change tare

Rating source ↗

Tare, gross vehicle rating and structural load ratings describe different limits. None alone establishes allowable payload or legal axle loads.

Plan around the actual load

These applications identify what to investigate. Suitability depends on the transported assembly, support points and the selected trailer build.

Structural steel & long fabricated loads

How does the load bridge the supports?

Use the manufacturer’s chart for the selected extension and support layout. An open telescoping centre is not a continuous solid floor.

  • Overall length and section depth
  • Approved support spacing
  • Bundle width and restraint arrangement
Generators & industrial skids

Does the skid footprint match the structural support?

Locate the skid rails over suitable structure. Check whether levelling blocks, isolators or delicate equipment prohibit support at other points.

  • Skid contact rails and support spacing
  • Total packaged height with dunnage
  • Lifting-point access and enclosure width
Tall industrial machinery

Is height or the footprint the controlling constraint?

Check the cradle and the trailer together. The cradle may concentrate weight or raise the load enough to defeat the height benefit.

  • Transport height in intended orientation
  • Support footprint and centre of gravity
  • Dunnage / cradle height

Documented build details

Construction
Steel frame / aluminium deck
Neck
fixed
Running gear
Tandem
Coupler adjustment range
Published fifth-wheel height range: 48–50 in. No single coupler-height value is assumed.Source ↗
Deck construction
Aluminium flooring with three flush apitong nailers over the steel frame.Source ↗

Configuration & inspection

  • Do not substitute the 80,000 lb distributed rating for the 60,000 lb rating over 10 ft.
  • Confirm any portable ramps separately; the deck rating does not rate the loading equipment.

Equipment selection requires verified weights and ratings, load support, coupling and axle analysis, securement planning and route review. This reference is not engineering, permit or route-clearance approval.