How big is a caterpillar dw21 cable scraper?

How big is a caterpillar dw21 cable scraper?

There were basically six versions of the DW21 built by Caterpillar over the period of its development. Commencing with the 8W series in 1951, this featured the No 21 cable scraper with a capacity of 15 cubic yards struck and 19.5 cubic yards heaped.

When did Caterpillar replace the dw15 motor scraper?

The DW15 was a very successful motor scraper for Caterpillar, and the machine’s reliability and good reputation helped to reinforce Cat’s place in the scraper marketplace. The DW15 was replaced by the first of the new “600” series machines, the 619B, which was introduced in mid-1959.

When did the caterpillar lowbowl scraper come out?

DW15 series Es were in production from 1957 through to 1959 and carried the serial number prefixes 75D (direct electric start) and 76D (gasoline starting engine). They featured a boost from 186 to 200 flywheel horsepower and Caterpillar’s new No 428 “Lowbowl” scraper which was rated at 13 cubic yards stuck and 18 cubic yards heaped.

What kind of wheel scraper does caterpillar use?

Cat® wheel tractor-scrapers have the power, traction, and speed for reliable output in a variety of earthmoving applications. Scraper options include single-engine and tandem-engine open bowls, tandem engine push-pulls and elevator arrangements.

When did the caterpillar Dw20 motor scraper come out?

Back in the June 2006 issue of Contractor we had a look at one of Caterpillar’s most successful motor scrapers of the 1950s, the model DW20. Since that article was published some more data has come to light and, given the luxury of having a few more pages these days, we can have a look at the DW20 in a little more detail.

How many cubic yards does a caterpillar scraper have?

Equipped with the Caterpillar No 20 scraper rated at 14 cubic yards struck and 22 cubic yards heaped, this was the model that paved the way for the rest of the series and it underwent a few modifications along the way.

When did Caterpillar make the first scraper tractor?

So, the first of the real scraper tractors was the 21C, originally powered by a Roots blown Caterpillar D337 6-cylinder diesel which was produced from 1951 through to 1955.

What kind of cable control does a caterpillar Dw20 have?

From its inception, the DW20 was fitted with a Caterpillar No 27, 2-drum cable control to handle trailed scrapers. This was a “live-drive” unit powered by a driveshaft that came off the engines PTO.