Heavy box trucks can be found in used car lots in rural areas. Also many manufactures like Ford carry a line of heavy box trucks for use on farms. Checking you local truck dealers will be the best way to find these trucks.
I have a loaded Dervish, and I have been enjoying my Randall II 180mm trucks for a while. There is no rattle and they are heavy duty and reliable. My friend's new board came with Paris trucks, and out of the box, they where rattling. For heavy duty reliable trucks that wont break the bank, Randall's are best.
For brand new heavy duty trucks, try Heavy Duty Trucks USA. Trucks Junction and 1 Used Trucks both sell used heavy duty trucks online for a cheaper alternative.
The services offered by Freightliner trucks are the sale of heavy duty trucks, parts and service. They manufacture the chassis, heavy duty trucks and semi-trailers.
You can find heavy trucks anywhere from searching online to going into a car dealership/shop itself and looking around at different heavy trucks that they have available.
Thunders are good Independent trucks are good but are very heavy i don't think thunders have 20 dollar trucks and i wouldn't want heavy trucks
Here is a site with info on used heavy duty trucks and even trucks for sale: http://www.1usedtrucks.com/heavy_truck_subcategory.php. You can also check Craigslist for trucks in your area.
Small folding hand trucks, designed for home use can be bought at home improvement stores like Home Depot. They can also be purchased from major online outlets such as Amazon. Heavy duty folding trucks designed for large loads are best sourced and purchased from companies supplying industrial equipment.
Depending on the types of trucks you are looking for, you can find trucks at http://www.penskeusedtrucks.com/. You can also find trucks at http://www.buyatruck.net/
The 4500/5500 trucks are assembled in Satillo Mexico.
There are many stores and sites that offer both new and used box trucks for sale or rental in Los Angeles, CA. The link http://vehicles.oodle.com/used-vehicles/los-angeles-area/commercial-trucks-trailers/ has useful information about box trucks and other types of trucks/trailers. Pl visit these websites to know more: www.superpages.com/; www.supposeudrive.com/; Los Angeles Craigslist also could help you get cheap box trucks. There are multiple used truck dealers in Los Angeles that may have cheap box trucks. There are also several companies that specialize in box trucks that may have good deals.
Heavy trucks, trailers, industrial equipment, and heavy machinery.
The height of various box tracks varies greatly, but most 16-foot box trucks are around 8 feet tall, as are many longer and shorter box trucks. Eight feet is a practical height for any trucks.