4.4M views · 10K reactions | One of Whitnell Plant Hires Cat 621E scrapers loading up and dumping | Awesome Earthmovers | Facebook

2.3M views · 29K reactions | Any idea how long the truck exchange time is when using a scraper? Well, actually it's zero❗ Scrapers can load, haul, spread and can even compact the material while dumping, so you don't need a truck. It's an all-in-one machine that provides very efficient production. Scraper loading time should be around 30 seconds; loading and dumping are done on the go. | Caterpillar Demonstration and Learning Centers | Facebook

Lionel Whitnell's CAT 621E scrapers being push loaded by Gravelle's D8T | RPA Media

Let's talk about scraper push-pull...🤠 It is an excellent example of two skilled operators working as a team. They basically have to depend on each other to make sure they both achieve a full load. It needs good timing, the right speed and coordination for an easy hookup in the cut, then they need to know when to transfer from being pushed to being pulled. And finally they need to know how and when to unhook without losing momentum. When done right though, it's one of the most efficient ways to

An Empire Cat D10T gives a 631 single engine scraper a push through the cut on the South Mountain Freeway project! The added power of the dozer helps the cutting edge of on the scraper dig into the earth much more aggressively, loading the machine faster and more full. | Aaron Witt