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US Truck 8 (Western Star 4900SA)
A LEGO model of a Western Star 4900SA day cab with a color scheme that matches the Elphinstone trailer this truck goes with. As with all other models I build so far it is in scale 1:17,5. It features PF lights, driving, steering, Ackerman geometry on steering axle and solid axle suspension on all axles.
About this creation
Building my other models I did run into Western Star trucks quite a lot. To be honest I really like the odd shapes of these trucks and plans where made to build one some day. It is not that popular and I don't know of any well build LEGO models so far. So after I finished the Elphinstone Easysteer PBS Payloader I came up with the build of a Western Star 4900SA day cab to go with it. With this Western Star I am really pushing my boundaries. In a way I have to LEtGO all of the building techniques I used so far. It is powered with with a single PF L Motor without any gear reduction. Therefor the model is faster then its predecessors. Also is it steered with the PF Servo Motor. Together with the new designed cabin, hood, rear fenders and fuel tanks I think it really got the feel of an Australian Western Star.

For me it really felt like doing some different details this time. Never before did I install fenders at the rear axles. Basically because I didn't get them right. Ever since the build of the Elphinstone Easyloader Road Train I thought about creating fenders for larger wheels as well. With that build I managed to create fenders for smaller wheels. Since it is typical for Australian trucks to have rear wheel fenders I thought "now is the change to do so...".

The color scheme is based on the Elphinstone trailer this truck goes with. The color scheme of the trailer is based on the pictures the Elphinstone company used for the promotion of there trailer. So the red color of the chassis is obvious, but I also wanted this color to be used on the body work as a detail color as well. The white color would be one of the main colors of the body work, but I knew there had to be a second main color. I prefer Dark Tan, but not all parts are available so I took Tan instead. It turned out well, I really like it. The Dark Bluish Gray color is used for details as sunvisor, grille and fuel tanks. Chrome would have been very nice on this model too, but I didn't want to use it all the time...









A different approach for the fuel tanks was necessary too. I did use those Technic Cylinders a couple of times now. With me getting more and more in to SNOT I thought let me do something different this time. It enable me to incorporate steps in the fuel tanks as well.
Again I installed external air cleaner just because I really like the aggressive looks that comes with it. Together with the chrome pipes it really makes this truck finished.

It is not the first time I created an openable hood. On the other hand this is the first time it is opened very easy. Instead of a complex hinge mechanism I used actual LEGO hinges, those do the job just fine. Also does it make more sense to open the hood because there is an actual modeled engine inside.
What is also new and what I found really challenging where the doors. Giving the body work strength with doors that can be opened was not that easy. Also was it quite hard to make the doors hinged in a way one can open and close the doors without the use of much force. Despite the effort I had to put into I am very glad I did all this.

This shows a little of the hoods inside. I had to work my way through some measurement details. All the cabins build for my previous trucks where tapered as most, if not all, Peterbilt and Kenworth trucks have. On my models this means it starts at a width of 12 studs and goes to 14. This new model has a not tapered cabin with a width of 15 studs, but the roof on the other hand is 13. Because of this in combination with the curved slopes it really gives this Western Star look to this model.

The hood starts at a width of 10 studs to go to 13 studs. This part was the most challenging of this specific project. I had one finished last October, but I was not happy with it. It learned me a lot to create the next version and I think it is perfect.
One nice detail to talk about is the "handle" to open the hood. On this model it is the same as with real life WS trucks. The handle is directly behind the brand logo on the grille. Using this Plate 1 x 2 with door rail makes this handle work for real.

With the use of the Servo motor instead of a more complex and space consuming mechanism I managed to leave space for a modeled engine. It is a mix of a Detroit Diesel DD13, DD 15 and some details I came up with myself. Since I never modeled an engine before it was not that easy. All very small parts, but I think it looks realistic and nice. This even though I did not have enough room so it is slightly to small, but one can't have it all!





Comments

 I made it 
  December 7, 2013
Quoting Nick Barrett The level of detail and functionality of all your trucks is amazing. This one is a beauty!
Thank Nick for these kind words!!! These trucks are less common and therefore the more a challenge to build one. Especially because of the round and odd shapes these Western Stars have. Nice that you noticed this creation!!! You are one of my favorite builders since this week… :-)
 I like it 
  December 5, 2013
The level of detail and functionality of all your trucks is amazing. This one is a beauty!
 I made it 
  September 22, 2013
Quoting adam minnich You have done it again, great job. I love the detail on all of your models. But will you have instructions for your models??
I have great news, I have instructions available for one of my trucks. It is now called US Truck T2 MkII and available here: http://mocplans.com/designer/us-truck-t2-mkii.html. To see what parts are needed check here: http://rebrickable.com/mocs/2legoornot2lego/us-truck-t2-mkii-with-instructions-us-truck-t2-revised. Please go ahead and give it a try!!! :-)
 I made it 
  September 22, 2013
Quoting technyk 32 Amazing details and functions! Could you possibly show how the rear suspension works? I know you don't like making step-by-step instructions, but that's not what I'm asking. I've been trying to make my own truck, and I can't quite get the rear suspensions to works. They always end up being either too wide, too tall, too much distance between axles, or friction or slack in the system. Could you please just take an underside picture of the rear axles setup?
I have instructions available for one of my trucks. It is now called US Truck T2 MkII and available here: http://mocplans.com/designer/us-truck-t2-mkii.html. To see what parts are needed check here: http://rebrickable.com/mocs/2legoornot2lego/us-truck-t2-mkii-with-instructions-us-truck-t2-revised. Please go ahead and give it a try!!! :-)
 I made it 
  September 22, 2013
Quoting technyk 32 Amazing details and functions! Could you possibly show how the rear suspension works? I know you don't like making step-by-step instructions, but that's not what I'm asking. I've been trying to make my own truck, and I can't quite get the rear suspensions to works. They always end up being either too wide, too tall, too much distance between axles, or friction or slack in the system. Could you please just take an underside picture of the rear axles setup?
Sorry for late reply to start with, I didn't notice before!!! :-) It seems like you know me, but I can tell you I have changed my mind. Instructions are available for one of my trucks. I know what it is you are talking about, that is why it took me about 2 years to get the suspension right!!! ;-)
 I made it 
  September 22, 2013
Quoting Topsy Creatori (StoveTopCreator!) A thing of beauty! :)
Again sorry for late late response of mine, I have no excuse... :-) Thanks for the kind words!!!
 I made it 
  September 22, 2013
Quoting Shayden (O_O) very nice!
So sorry for this extremely late response of mine, I have no excuse... :-) But never the less, thanks for the kind words!!!
 I like it 
  March 31, 2013
Amazing details and functions! Could you possibly show how the rear suspension works? I know you don't like making step-by-step instructions, but that's not what I'm asking. I've been trying to make my own truck, and I can't quite get the rear suspensions to works. They always end up being either too wide, too tall, too much distance between axles, or friction or slack in the system. Could you please just take an underside picture of the rear axles setup?
 I like it 
  March 30, 2013
Amazing details and functions! Could you possibly show how the rear suspension works? I know you don't like making step-by-step instructions, but that's not what I'm asking. I've been trying to make my own truck, and I can't quite get the rear suspensions to works. They always end up being either too wide, too tall, too much distance between axles, or friction or slack in the system. Could you please just take an underside picture of the rear axles setup?
 I like it 
  March 27, 2013
A thing of beauty! :)
 I like it 
  March 25, 2013
very nice!
 I made it 
  March 25, 2013
Quoting adam minnich You have done it again, great job. I love the detail on all of your models. But will you have instructions for your models??
Thanks and yes I will, but only if you give me time... :-)
 I like it 
  March 24, 2013
You have done it again, great job. I love the detail on all of your models. But will you have instructions for your models??
 I like it 
  March 22, 2013
ravishingly beautiful!
  March 20, 2013
Nice truck! Check out my latest creation and any othes you haven't seen. You will like them. I garuntee it!
 I made it 
  March 20, 2013
Great to see that you all love it that much!!!
 I like it 
  March 20, 2013
amazing truck! very cool in the front.
 I like it 
  March 19, 2013
Awesome rig!
 I like it 
  March 19, 2013
The cabin shaping is great, and its quite speedy to boot.
 I like it 
  March 19, 2013
Excellent shaping throughout. Well done. -LB Jr.
 I made it 
  March 19, 2013
Thanks to all for these kind words. This model really was fun building, both truck and trailer. Both had their own unique challenges to overcome..
 I made it 
  March 19, 2013
Quoting Nathanael Kuipers So this is what you have been up to lately. :) Nice work, mister! Lots of cool details.
Thanks buddy, yes this is what I've been up to. Details make a model really come alive...but you know all about it... :-)
 I like it 
  March 19, 2013
So this is what you have been up to lately. :) Nice work, mister! Lots of cool details.
 I like it 
  March 18, 2013
fantastic!
 I like it 
  March 18, 2013
best yet, you should make a ford f 650 service truck.
 I like it 
  March 18, 2013
Just wow! One word: amazing!!
 I like it 
  March 18, 2013
Very cool!
 I like it 
  March 18, 2013
Another fantastic model! I love your trucks :D
 I like it 
  March 18, 2013
love it your usual high class of model fab 10/10
 I like it 
  March 18, 2013
Nice model but what I'd like to see is a shot of the underside. :)
 
By 2LegoOrNot2Lego Ingmar Spijkhoven
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LEGO models my own creation MOCpages toys shop US Truck 8 (Western Star 4900SA)Large scale vehicles


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