Additional core charge of 1500.00 not included. Caterpillar 3126 Long Block Engine 64G1L072A. Serial Number BEJ. 3126 Series, Industrial, 3-valve, 190-210HP, 1-piece piston. Ordering Instructions: Provide Arrangement and Serial Number. Call us toll-free 1-800-282-9319 for ordering assistance and complete warranty information.