Versatile, high performance excavator

Caterpillar's new 390DL excavator is said to delivers higher performance and increased durability over the 385C model it replaces. Power comes from an 18.1litre Cat C18 ACERT diesel, which delivers 390kW and features advanced electronic control, precise fuel delivery and refined air management. Upgrades to the 390DL's implement hydraulics allow the excavator to deliver greater digging and lifting forces than its predecessor. Increased breakout force promotes faster trenching and loading cycles plus stronger
February 13, 2012 Read time: 2 mins
Caterpillar's powerful 390D offers versatility with a factory fitted universal quick-coupler circuit available
178 Caterpillar's new 390DL excavator is said to delivers higher performance and increased durability over the 385C model it replaces. Power comes from an 18.1litre Cat C18 ACERT diesel, which delivers 390kW and features advanced electronic control, precise fuel delivery and refined air management. Upgrades to the 390DL's implement hydraulics allow the excavator to deliver greater digging and lifting forces than its predecessor. Increased breakout force promotes faster trenching and loading cycles plus stronger performance at the quarry face. In addition, lifting capacity over the end is increased by 14% with over-the-side capacity up nearly 14%. Also new in the 390DL's implement hydraulic circuits are electrically controlled regeneration valves, which assure rapid, positive response from the boom and digging arm cylinders while also significantly improving overall hydraulic efficiency. The benefits include quicker cycle times and estimated fuel savings of more than 2%.

The machine has an improved undercarriage with redesigned links that operate with lower stress, forged idlers for improved durability and heavy-duty track rollers and carrier rollers. In addition, the recoil spring has been lengthened, giving the recoil mechanism greater impact-absorbing capability to protect the undercarriage from shock loads. This is fabricated with thicker reinforcing plates at critical locations, while thicker plates are fitted at the boom-foot mounting in the upper frame as well as in the rails and bottom pan to accommodate the 12.4tonne counterweigh, which is 6% heavier than the 385C's counterweight. Booms and digging arms are also stronger while the high visibility cab has multi-mode controls and a full diagnostics capability for the operator.
Earthmoving & soil compaction

For more information on companies in this article

Related Content

  • New top-of-the-range wheeled loader from Doosan
    January 31, 2013
    The new generation DL550 wheeled loader from Doosan Infracore is the top-of-the-range model in the company’s updated range of wheel loaders intended for markets in the Middle East and Africa. With a bucket capacity of 5.4m3, the DL550 wheel loader is powered by a 12.7 litre Scania DC13 turbo-charged, air-to-air intercooled diesel engine that meets Tier 2 legislation and suits use in the Middle East and Africa. The engine delivers 294kW at 2100rpm and drives through a new ZF transmission. Other features com
    Read More
  • Defining the standards for asphalt road surfaces
    February 20, 2012
    Materials used to construct roads must meet defined standards to offer a variety of solutions including durability, smoothness and long life. The need for the regular testing of materials used in highway construction is now a must on all projects. It is essential to make sure that the materials used in producing roads meet defined standards and offer durability, smoothness and long life.
    Read More
  • New ADTs offer low emissions performance and fast cycle times
    December 2, 2014
    Its incredible versatility means that the articulated dumptruck (ADT) has become a popular piece of equipment for quarrying or earthmoving applications. For quarrying in particular, the machines are highly useful as they are able to cope with steeper ramp hauls and tougher terrain than rigid haulers offering similar payloads.
    Read More
  • JCB strengthen CIS excavator range
    March 7, 2012
    JCB is strengthening its range of JS Auto tracked excavators for the Russian and CIS markets with the addition of the 29tonne JS290. Unveiled at CONEXPO Russia, the new machine is based on the undercarriage components and upper structure of the larger JS330. The JS290 is powered by the same six-cylinder EU Stage 3A compliant diesel engine and it bridges the gap between the S260 Auto and JS330 Auto in the existing line up. JCB says that by using this large capacity 7.8litre engine, the JS290 offers an unstre
    Read More

Highlighted Content