Caterpillar is introducing a revised line-up of 20-24 tonne E Series crawler excavators at Intermat 2012. The 320E, 323E and the reduced radius 320E RR adopt the EU Stage IIIB Cat C6.6 ACERTTM engine, providing reduced emissions and fuel consumption savings of up to 11% compared to other D Series models. A wider range of cab seating, including heating and cooling options, comes with the new E Series crawler excavators. Time delay lighting, additional safety handrails and improved serviceability are also sai