INTAKE VALVE FOR JOHN DEERE 6076 AND 6081 R84618

The R84618 intake valve for John Deere is a cylinder head part designed for 6076A, 6076H, 6076T, 6081H PowerTech, and 6081T PowerTech engines in the DSPG version. Mounted on the engine’s intake side, it controls the opening and closing of the airflow to the combustion chamber. This part is used during an engine overhaul or when replacing a worn valve.

A cylinder head component designed for air intake

In an agricultural diesel engine, the intake valve operates during each cycle to allow the air necessary for combustion to enter, then properly seal the combustion chamber. Its condition directly affects the integrity of the valve seat and the smoothness of engine operation.

When a valve is scored, warped, or no longer closes properly, the engine may lose compression and run unevenly. Replacing this part is therefore a standard procedure when the cylinder head is removed or during a more comprehensive overhaul.

John Deere 6076 and 6081 DSPG Engine Applications

This part number is listed for John Deere engines in the 6076 and 6081 PowerTech families with DSPG specifications. These engines are found in various John Deere agricultural machines, particularly tractors and forage harvesters, as well as in certain combine harvesters equipped with these engine blocks.

Selection should not be based solely on the machine family. The most reliable method is to identify the engine type and the exact function of the part within the cylinder head. In this case, it is indeed an intake valve, which should be distinguished from an exhaust valve.

Useful checks before ordering

Before ordering this valve, verify three essential details:

• the part number you’re looking for: R84618;
• the engine type: 6076A, 6076H, 6076T, 6081H PowerTech, or 6081T PowerTech in DSPG;
• the location: engine intake side.

These identifiers help prevent confusion with another valve version or with an application on a similar engine. If your repair involves a complete cylinder head, it is also helpful to inspect the condition of the valve seat, guide, and other related components according to the repair procedure specified for your engine.

Material and Replacement Context

The source description specifies that the valve is made of heat-treated steel, suitable for the mechanical and thermal stresses encountered in an agricultural engine. This information is useful for identifying the part’s role in a repair procedure without altering the essential checks required for installation.

To select the correct valve, first refer to part number R84618, the engine code, and the intake side identification. If you are working on a John Deere tractor, forage harvester, or combine equipped with the specified engines, these details will help you confirm the correct match before ordering.

Compatibility by Brand and Series

John Deere

• Material
• Application
• Position
• Engine intake side
• 7700
• 7800
• Engine Type
• 6076A - DSPG
• 6076H - DSPG
• 6076T - DSPG
• 6081H PowerTech - DSPG
• 6081T PowerTech - DSPG

Tractors: · S Series

• 8000 Series: 8100
• 8200
• 8300
• 8400 (Worldwide)
• 8010: 8110
• 8210
• 8310
• 8410 (Worldwide)
• 8020–8120
• 8220
• 8320
• 8420
• 8520 (Worldwide)

Tractors: · 55 Series

• 4055
• 4255
• 4455
• 4555
• 4755
• 4955

Tractors: · 60 Series

• 4560
• 4760
• 4960
• It guarantees
• Perfect sealing

FAQ — Frequently Asked Questions

What is the function of an intake valve on this John Deere engine?

The intake valve controls the flow of air into the combustion chamber. For part number R84618, the specified application is for the intake side of John Deere 6076 and 6081 engines in the DSPG version. It ensures the combustion chamber closes properly during the engine cycle.

How do I verify that part number R84618 is compatible with my engine?

The main check involves verifying part number R84618, the engine type, and the installation position. This valve is specified for the 6076A - DSPG, 6076H - DSPG, 6076T - DSPG, 6081H PowerTech - DSPG, and 6081T PowerTech - DSPG engines, on the intake side.

Is this valve compatible with John Deere 6081H PowerTech - DSPG and 6081T PowerTech - DSPG engines?

Yes, both of these engine models are among the applications listed for this part number. Before ordering, it’s a good idea to confirm that you are indeed replacing an intake valve and not an exhaust valve, and then to cross-reference the part number listed in your maintenance records.

When should an engine intake valve be replaced?

Replacement is generally performed during a cylinder head overhaul or when a valve is worn, warped, or no longer seats properly. A poor seal can lead to a loss of compression and irregular operation. Inspecting the valve seat and guide is part of the standard checks.

Original replacement part numbers and brand names are provided for comparison purposes only. This does not imply that these are original parts.