JCB DIESELMAX DIESELMAX NA,TC,TCA Ind. EPA Tier 2/Stage 2 4.4 JCB DIESELMAX DIESELMAX TCA Stage 3A; 100-120HP 4.8 JCB ECOMAX ECOMAX TCAE Tier 4, 74-125HP 4.4 JCB ECOMAX ECOMAX TCAE Tier 4; 145-173HP 4.8 JCB DIESELMAX DIESELMAX TC,TCA Ind. EPA Tier 3/Stage 3A 4.4 JCB DIESELMAX DIESELMAX NA,TC,TCA Power Generation 4.4 HATZ 1B40 0.5 JCB Engine 4.4 [NA] JCB Engine 4.8 [TCAE]