TKM Ultimate K’NEX Train System – Main Body Options

This listing allows you to purchase TKM train system main bodies in different lengths, enabling compatibility with a wide range of top design sizes and styles.

It can be used by:

• New customers who want specific body lengths to match particular top designs

• Existing V2 customers looking for a cost-effective upgrade path into the new TKM ecosystem

This listing includes main body components only, allowing flexibility when upgrading trains without purchasing a full train system.

Body Size Options

Each body length is designed to support different coaster styles and top design proportions.
Please select the size that matches the top designs you intend to use.

Short Body

A compact body length designed for:

• Short single row top designs

• Family coaster designs
  

Best suited for Short Body top designs.

Classic Body

The standard, original train size and the direct successor to the V2 body.

Designed for:

• Wooden coaster trains

• RMC-style designs

• Legacy V2 top designs (with adapter where applicable)

This is the most versatile option and is recommended for most general-purpose builds.

Scale Body

A longer body designed for improved realism and proportions.

Best suited for:

• Intamin-style trains

• Vekoma-style trains

• Mack-style coaster designs

Intended for use with Scale Body top designs to achieve more realistic spacing and appearance.

Extended Body

The longest body option, intended for:

• 3 Row seating designs, like ice breaker.
  

Designed for use with Extended Body top designs.

What’s Included

This listing includes main body components only, based on the number of units ordered.

Included per order:

• Main train bodies (per quantity selected)

• Zero-car / front-car body sections

• New updated chain catches

• Axle Bars (Installed)
• Magnets

Zero-car allocation:

• 1–3 bodies ordered:

  • 1× zero-car / front-car body

• 4+ bodies ordered:

  • 2× zero-car / front-car bodies

No wheel assemblies, brake bars, bearings, or hardware are included.