Excavators 321D LCR Caterpillar Inc. star_border View Full Profile Email Facebook Twitter LinkedIn Copy Link The D Series incorporates innovations for improved performance and versatility. Specs Key Specifications Engine Model Cat® C6.4 ACERT™Net Flywheel Power 148.0 hp / 110.0 kWOperating Weight 51875.0 lb (23530.0 kg) Company Info Caterpillar Inc. 100 North East Adams Street Peoria, IL US, 61629 Website: cat.com Read more