Excellent set, although I preferred the mini-wheel vehicles that came a couple of years later.

The steering in the photo is in a position it shouldn't stay in, unless it's wedged or the self-centering pin is broken (which they frequently were).

Although it's a tipper truck, the lack of an opening tailgate made emptying it a bit clumsy, needing to remove the rear 1x4 brick!

Got this with only the Lego sign needing replacing with the correct early version (can't be doing with a Lego logo with an unbroken 'O').

Doors and Steering ,10+ years ahead of it's time, before minifigs or Technic

Seems more like a flatbed to me. Pretty shallow box that otherwise runs on imagination. Imagine that!

@Trigger_:
It’s the blue steering brick. It makes the cab look like his post-transformation torso and head, and the printing kinda sells the illusion that the brick has a face.

I’ll have to get one of these classic vehicles, simply to obtain that steering :-)

It looks as if it's offloading a consignment of unsold sets on some imaginary rubbish dump.

Perhaps it was foreshadowing of what will happen to those UCS Hulkbusters...
;-P

@CarolinaOnMyMind said:
"Man, this set has dumps like a truck
truck, truck
Bricks like what
what, what
All night long"

Let me clear my lawn,
Baby my lawn l-l-lawn lawn

@PurpleDave said:
"Oof. Optimus Prime clearly had a _lot_ of work done over the last 55 years."

Transformers; Robots In Bad Shape!

TIL there already was steering back then. I at one point ran across a tractor chassis with built-in steering, but that's more 70s.

Looking it up, 377-2 and 381 from last month also use the exact same system! I already knew about the wheels holder part from 378, of which I also have the chassis part from a job lot from. I know it's that set from the trailer bow. But I never thought that system would be used on these trucks!

This chassis looks a bit anemic. I wonder if it was at risk of bending the plate...

This set must be one of my first. To start with, it is older than me. Then i had a few years been a baby, before the Lego interest started around 4-5 year.

@brick_r: I only have one of that piece from 720) But I'd love to have more.

@AustinPowers: I'm reminded of the legendary dumping of all those unsold Atari E.T. cartridges.

@AustinPowers:
@TheOtherMike:
The important distinction here is that all those Hulkbuster sets would still be incredibly valuable as parts packs, where the Atari cartridges were just taking up space.

@PurpleDave: I know they'd make great parts packs (the Fresnel lens alone!), it's just that @AustinPowers' comment just reminded me of that.

Wait, how does that steering work? *Goes to look at instructions* Huh. Well, you learn something new every day. But then Lego is a new toy every day so I guess that fits.

@brick_r said:
"Am I 'wrong' in missing those hinge-plates...I mean, yes I do like the tipper bricks; but those plates were so good; flippable even.:D"

If the ones I inherited from my cousins were anything to go by, kids would flip them all the way round and try to force them together, permanently straining one half.

Another one here who also thought Optimus Prime at first glance; though I don't think he (or his name sakes) has been a dump truck before.

First set with a tile.

@Binnekamp said:
"...This chassis looks a bit anemic. I wonder if it was at risk of bending the plate..."

That was my first thought and I took a look at the instructions. What an incredible construction. The truck must have split into halves all the time. Therefore no risk of bending the plate at all. ;-)