John Deere 4020 Tractor Engine Overhaul Kits
Phone support for assistance in identifying engine kits and parts is available.
800-851-3014
From quality suppliers who take as much pride in distributing a quality product as we do. Suppliers like Federal Mogul, Clevite, Victor Reinz, Richland Ltd., Vapormatic and Maxiforce. Some of the features that is offered through these companies include: cam ground pistons, Ni-resist inserts, spun cast liners and cylinder components designed as a package. Ordering engine kits is made easy. Phone support, available to answer questions you may have about what engine kit is right for your machine.

Key information in identifying the correct engine. Engine serial number, block casting number, rod casting numbers, piston pin size and where the liner o-rings are located.
Don’t settle for second best when it comes to choosing an engine kit. Our 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. They will restore that tired engine to its original level of performance and will help maintain that level for years. Durability is achieved when individual components are designed to work together, complimenting one another’s performance. Our engine products represent the latest in manufacturing technology.
US Farm Parts is located in Northern Illinois.
Orders are shipped from a network of warehouses.
Contact US Farm Parts at: 800-851-3014
US Farm Parts and the parts contained herein are not sponsored, affiliated, nor otherwise connected in any way with the equipment manufacturers named in this web site. The use of the original manufacturer's part numbers are for reference purposes only. The parts offered are not original manufacturer's parts.
DIESEL SN <214999 - 6.404D - 6 CYL. BLOCK #: R26070, R33180, R34340, R40890, R40900.
In Frame Engine Overhaul Kit - Piston Liner Kits, Conn Rod Bearings, Conn Rod Cap Screws, Upper Gasket Set, Pan Gasket.
John Deere 4020 Tractor Engine Kit - IK17901 - $1224.57
DIESEL SN <214999 - 6.404D - 6 CYL. BLOCK #: R40930, R26060.
In Frame Engine Overhaul Kit - Piston Liner Kits, Conn Rod Bearings, Conn Rod Cap Screws, Upper Gasket Set, Pan Gasket.
John Deere 4020 Tractor Engine Kit - IK17902 - $1234.45
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GAS SN <200999 - 6 CYL NOT FOR USE IN LP ENGINES - GAS ONLY!
In Frame Engine Overhaul Kit - Piston Liner Kits, Conn Rod Bearings, Conn Rod Cap Screws, Upper Gasket Set, Pan Gasket.
John Deere 4020 Tractor Engine Kit - IK340 - $1103.09
DIESEL - SN <214999 - 6.404D -6 CYL, BLOCK #: R26070, R33180, R34340, R40890, R40900 EARLY POWER BOOSTER.
In Frame Engine Overhaul Kit - Piston Liner Kits, Conn Rod Bearings, Conn Rod Cap Screws, Upper Gasket Set, Pan Gasket.
John Deere 4020 Tractor Engine Kit - IK6163 - $1264.60
DIESEL SN 215000-335845 - 6.404D - 6 CYL BLOCK #: R40610, R49620, R45950, R47170, R48440.
In Frame Engine Overhaul Kit - Piston Liner Kits, Conn Rod Bearings, Conn Rod Cap Screws, Upper Gasket Set, Pan Gasket.
John Deere 4020 Tractor Engine Kit - IK17903 - $1304.50
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DIESEL SN <277548 - 6.329 ENG - 6 CYL., O-RINGS IN BLOCK, SMALL PIN.
In Frame Engine Overhaul Kit - Piston Liner Kits, Conn Rod Bearings, Conn Rod Cap Screws, Upper Gasket Set, Pan Gasket.
John Deere 4020 Tractor Engine Kit - IK6593 - $999.39
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DIESEL - SN <214999 - 6.404D -6 CYL, BLOCK #: R26070, R33180, R34340, R40890, R40900 EARLY POWER BOOSTER.
Major Engine Overhaul Kit - Piston Liner Kits, Main Bearings, Thrust Bearings, Conn Rod Bearings, Conn Rod Cap Screws, Gasket Set with Seals, Conn Rod Bushings, Camshaft Bearngs.
John Deere 4020 Tractor Engine Kit - OK6163 - $1461.25
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DIESEL - SN <214999 - 6.404D - 6 CYL. BLOCK #: R26070, R33180, R34340, R40890, R40900.
Major Engine Overhaul Kit - Piston Liner Kits, Main Bearings, Thrust Bearings, Conn Rod Bearings, Conn Rod Cap Screws, Gasket Set with Seals, Conn Rod Bushings, Camshaft Bearngs.
John Deere 4020 Tractor Engine Kit - RE524345 - $1497.95
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DIESEL - SN <214999 - 6 CYL. BLOCK #: R40930, R26060.
Major Engine Overhaul Kit - Piston Liner Kits, Main Bearings, Thrust Bearings, Conn Rod Bearings, Conn Rod Cap Screws, Gasket Set with Seals, Conn Rod Bushings, Camshaft Bearngs.
John Deere 4020 Tractor Engine Kit - RG17902 - $1440.79
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DIESEL - SN 215000-335845 - 6.404D - 6 CYL BLOCK #: R40610, R49620, R45950, R47170, R48440.
Major Engine Overhaul Kit - Piston Liner Kits, Main Bearings, Thrust Bearings, Conn Rod Bearings, Conn Rod Cap Screws, Gasket Set with Seals, Conn Rod Bushings, Camshaft Bearngs.
John Deere 4020 Tractor Engine Kit - RG17903 - $1415.52
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GAS - SN <200999 - 6 CYL NOT FOR USE IN LP ENGINES - GAS ONLY.
Major Engine Overhaul Kit - Piston Liner Kits, Main Bearings, Conn Rod Bearings, Conn Rod Cap Screws, Gasket Set with Seals, Conn Rod Bushings, Camshaft Bearngs.
John Deere 4020 Tractor Engine Kit - OK340 - $1369.93
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