Select model catalog: Engines for Stage II Gensets Power Units (2.9L-3029, 4.5L-4045, 6.8L-6068) PC3235 Genset Power Units (300 Engines) PC2450 Engine for Gensets PC2452 Power Unit 2.9L 3029HFG80 Gen Set (Stage III A Engine) PC11422 Power Unit 2.9L 3029HFU80 Gen Set (Stage III A Engine) PC11423