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John Deere 6090 PowerTech Plus 9.0L Inframe-Overhaul Engine Rebuild Kit

  • OEM Number:
  • Brand: Reliance
    Brand Info x Close Reliance

    Every Reliance part is produced to exacting standards to ensure the same or better reliability as the original part. In fact, for older engines current technology is often so improved that the part we make available today may actually be better quality than the same part used to assemble the engine originally.

    New Reliance Power Parts replacement engine parts are covered for two years from date of installation. There is no limitation on the number of hours/miles of operation within the two year period. Remanufactured engine parts are covered for 1 year with no hour/mile limitation. New clutch and non-engine parts are covered for 1 year with no hour/mile limitation. Remanufactured clutch and non-engine parts are covered for 6 months with no hour/mile limitation.

Please choose your customizations:

Kit Type:

* denotes required field

Rod Bearing Size*
Main Bearing Size*
Price may change upon customization above.

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With warehouses across the US, we ship quickly and efficiently.

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Expert tech advice before and after your purchase.

High Quality Parts
Our parts meet and exceed the OEM specifications.


This Reliance engine kit cover model years 2006-2013 with Tier 3 emissions.

John Deere Tractors w/ 6090 engine: 8130, 8225R, 8230, 8230T, 8235R, 8245R, 8260R, 8270R, 8285R, 8295R, 8295RT, 8310R, 8310RT, 8320T, 8320RT, 8330, 8330T, 8335R, 8335RT, 8345R, 8345RT, 8360R, 8360RT, 8370R, 8370RT, 8430, 8430T, 8530, 9230
John Deere Combines w/ 6090 engine: 9660STS, 9670STS, 9760STS, 9770STS, 9780CTS
John Deere Crawlers w/ 6090 engine: 850J, 850JR
John Deere Excavators w/ 6090 engine: 350DLC, 350GLC, E330LC, E360
John Deere Forage Harvesters w/ 6090 engine: 7180, 7250
John Deere Forestry w/ 6090 engine: 1270D, 1270E, 1270G, 1470E, 1470G, 903K, 909K, 953K, 959K
John Deere Graders w/ 6090 engine: 670G, 670GP, 672G, 672GP, 770G, 770GP, 772G, 772GP, 870G, 870GP, 872G, 872GP
John Deere Loaders w/ 6090 engine: 724K, 744K
John Deere Sprayers w/ 6090 engine: 4930, 4940, R4038

The engine serial number is critical to identification of correct parts. The ESN plate is located either on the right-hand side of engine between the oil filter base and fuel pump (viewed from the flywheel end), or on the left-hand side of the engine directly above the starter.

In addition to the serial number plate, engines have an engine option code label affixed to the rocker arm cover. These codes indicate which of the engine options were installed on your engine at the factory. These option codes may also be needed to identify correct parts.

An example of this serial number would be RG 6090 L 123456.

Parts Included in Inframe Kit
(6) Cylinder Kits - Sleeve, Piston, Rings, Wrist Pin, Pin Locks
(6) Rod Bearing Pairs
(1) Main Bearing Set
(14) Main Cap Bolts
(12) Connecting Rod Bolts
(1) Head Gasket Set
(1) Oil Pan Gasket (Metal)
(1) Oil Pan Gasket (Paper)

Parts Included in Major Overhaul Kit
(6) Cylinder Kits - Sleeve, Piston, Rings, Wrist Pin, Pin Locks
(6) Rod Bearing Pairs
(1) Main Bearing Set
(14) Main Cap Bolts
(12) Connecting Rod Bolts
(1) Full Gasket Set
(1) Front Crankshaft Seal
(1) Rear Crankshaft Seal with wear sleeve
(6) Piston Pin Bushings (honable)
(6) Camshaft Bearings
(1) Camshaft Gear Thrust Washer
(1) Camshaft Plug
(1) Exhaust Manifold Bolt Kit (Included 4 turbo mounting bolts, 12 exhaust manifold bolts, 11 bolt spacers)

The Reliance John Deere 9.0L product line offers excellent coverage, extensive product support and product quality that will provide engine owners the kind of performance that they have come to expect from their 9.0L engines. The piston is a high strength, high ring steel piston with an internal oil gallery to aid in cooling of the piston combustion bowl and rings. The piston includes a low friction, wear reducing coating. Multi-layer design with a steel core that provides strength and durability, while the graphite material ensures a good seal. Performs in extreme temperatures and pressures. Cylinder liners have a directed cooling channel around the top flange. Coolant flow in this groove supplies increased cooling around the piston and rings, providing improved oil control and durability.