See pictures of Canadian picker trucks at Hank's Truck Pictures:

http://www.hankstruckpictures.com/pix/trucks/danny_mccarron/nov03/ek_2.jpg

http://www.hankstruckpictures.com/pix/trucks/danny_mccarron/nov03/ek_3.jpg

http://www.hankstruckpictures.com/kl_oilfield.htm

http://www.hankstruckpictures.com/pix/trucks/mark_kulak/2004/mar03/hecks04.jpg