PL83 Pipelayer Engine Model Cat® C15 ACERT™ Flywheel Power 319 hp U.S. EPA Tier 4 Final/EU Stage IV: Net Power – ISO 9249 323 hp View Details PL87 Pipelayer Engine Model Cat® C15 ACERT™ Flywheel Power 319 hp U.S. EPA Tier 4 Final/EU Stage IV: Net Power – ISO 9249 323 hp View Details