Mattel #6346 Uni-Tred Space Hauler

#6346 Uni-Tred Space Hauler Box Front
The Uni-Tred Space Hauler is a somewhat ubiquitous vehicle that most collectors seem to have owned. The packaging variation allowed it to be purchased as a single vehicle, rather than as more expensive Uni-Tred and Space Bubble set.

MMM Uni-Tred Space Hauler


The box made of corrugated cardboard printed on all sides (in black, white and blue ink), except the front and top, which have an applied full-color, process-printed label. The package measures 11" by 9 1/2" by 12 5/8". Copyright is 1967. The box reads: "Motorized Lunar Transport Geared to go anywhere with Planetronic Shift! - Automatically Shifts as it Climbs Mountains! - Bites into Slippery Surfaces with Hundreds of Space Teeth! - Tows Space Bubble Across Rugged Terrain! - Control Cab Fits All Mattel Astronauts! - Cab Lifts Off for Flat-Bed Transport! - Flat-Bed Lifts Off for Convoy Use!" and "Astronauts and Space Bubble not Included!." with "Battery powered - 2 "D" batteries not included!"

#6346 Uni-Tred Space Hauler Box Top
#6346 Uni-Tred Space Hauler Box Ends
#6346 Uni-Tred Space Hauler Box Bottom
#6346 Uni-Tred Space Hauler Box Back
#6346 Uni-Tred Space Hauler Box Contents
#6346 Uni-Tred Space Hauler Box Insert

Sticker Sheet:


Mattel #6346-0920 Uni-Tred Space Hauler

Mattel Catalog Specifications:

(First appearance: Mattel Toys 1969 "Fall" Catalog page 55)

Invincible climbing power! Dynamic lunar transport claws up sheer inclines up to 45° while downshifting automatically! When forced to scale an impossible surface, the UNI-TRED inches upward - until hurled to the ground - then gamely advances for a second attempt!
Battery-powered track detaches from UNI-TRED cab and continues to roll! 2 "D" batteries and astronaut not included.
Std. Pack: ½ Doz.
Wt: 9 Lbs.


John's Notes:

It's interesting that the #6339 Uni-Tred and Space Bubble set actually has an earlier Stock Number. I think this was originally intended as a combination set, and later split up into each component. Designs appear to be from a caterpillar-style construction vehicle such as a bulldozer or tank. This is a unique vehicle and does not appear to be based on any actual space designs.

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