Fitment Guide:
JOHN DEERE CRAWLER/DOZER: 450H-4045 PowerTech Diesel Engine, Qty. 8, 450J-4045T/H PowerTech Diesel Engine, Tier 2 & 3; Engine Code 4045HT050, 4045HT051, -4045TT090, Piston #RE507920, Marked #RE515372, RE59277, RE505100, Qty. 8, 550H-4045T PowerTech Diesel Engine, Qty. 8, 550J-4045T/H PowerTech Diesel Engine, Tier 2 & 3; Engine Code 4045HT050, 4045HT051, -4045TT090, Piston #RE507920, Marked #RE515372, RE59277, RE505100, Qty. 8, 650H-4045T PowerTech Diesel Engine, Qty. 8, 650J-4045 Turbo PowerTech Tier 1 Diesel Engine, w/ Engine Codes -4045HT050, -4045TT090, Qty. 8, 700H-6068 Turbo PowerTech Diesel, Qty. 12 700J-6068 Turbo PowerTech Tier 1 Diesel Engine, w/ Engine Codes 6068TT056, 6068TT060, Qty. 12