This is a Brand New Premium Quality In-Frame Engine Overhaul Kit. It is for rebuilding the. Original John Deere 4045T TURBO – 300 Series (NOT POWERTECH) Diesel Engine in the following equipment. Please check Engine Serial Numbers Below. John Deere BACKHOE : 410C (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere BACKHOE : 410D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere BACKHOE : 510B (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere BACKHOE : 510C (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere BACKHOE : 610B (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere BACKHOE : 610C (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 450E (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 450G (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 455E (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 455G (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 550A (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 550B (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 550G (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 555A (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 555B (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 555G (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere CRAWLER : 650G (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere EXCAVATOR : 490E (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere EXCAVATOR : 495D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere EXCAVATOR : 590D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere EXCAVATOR : 595 (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere EXCAVATOR : 595D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere POWER UNIT : 4045TF (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere POWER UNIT : 4045TFM (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere SKIDDER : 340D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere SKIDDER : 440C (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere SKIDDER : 448D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere SKIDDER : 540D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere SKIDDER : 548D (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere TRACTOR : 6400 (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere TRACTOR : 6500 (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere TRACTOR : 6700 (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere WHEEL LOADER : 344G (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere WHEEL LOADER : 444E (w/ 4045T Turbo – 300 Series – Liter Designated). John Deere WHEEL LOADER : 444G (w/ 4045T Turbo – 300 Series – Liter Designated). 300 Series Liter Engines vs 350 Series Powertech Engines. If the ESN starts with the following letters. TO = Engine Manufactured in Dubuque, IA – ESN up to 699999 = Liter Designated Engine. CD = Engine Manufactured in Saran, France – ESN up to 499999 = Liter Designated Engine. All Serial number breaks below 700000 and 500000 are 300 series liter designated engines. Included in this kit. 4 x Piston, Rings, Liner Kit (1.625 or 41mm Wrist Pin Diameter). 1 x Connecting Rod Bearing Set. 8 x Connecting Rod Bolt. 1 x Top Gasket Set. 1 x Oil Pan Gasket Set. Kit Weight : 70 lbs. Bore : 4.19 (106.5mm). Wrist Pin Diameter : 1.625 (41mm). TractorPartsDirect has a full line of tractor parts and accessories available. Don’t Settle for Second Best, when it comes to choosing an engine kit supplier. TractorPartsDirect engine kits are unsurpassed when it comes to quality. Many of our suppliers are the same suppliers that sell to original equipment manufacturers. Our cylinder components are manufactured to OEM specifications and will restore tired engines to their original level of performance, maintaining that level for years to come. Our engine products represent the latest in manufacturing technology. TractorPartsDirect engine kit suppliers commitment to continuous improvement acts as the catalyst toward the development of innovative CAD/CAM designs and CNC manufacturing of cutting-edge, high quality products. Heavy-duty permanent mold pistons are cast with ni-resist inserts bonded into the top or the top and second ring grooves. These metallurgical, high nickel content iron inserts extend the life of the pistons by reducing groove wear. Close tolerance ring groove specifications prevent blow-by, assuring. Our liner packings are molded with the latest compounds such as viton, which remains pliable and resilient for thousands of engine hours. Plus, our piston rings offer you superior materials and trouble free installation. Premium ring sets contain moly or chrome faced top compression rings for longer wear under severe operating conditions…. In addition, our gasket kits and bearings come from quality suppliers and are designed to “fit” the application in question.