John Deere 5820 Tractor Parts
5820 parts and accessories
The John Deere 5820, manufactured from 2003 to 2007, was a popular utility tractor known for its versatility. Powered by a robust 80 horsepower diesel engine, it provided ample power for various farming tasks. With a PTO horsepower of around 67, the 5820 was a reliable workhorse, favored for its ease of use and dependable performance in the field.
The John Deere 5820 was part of the John Deere's 5000 series utility tractors, produced from 2003 to 2007. This model was designed to offer a balance of power and maneuverability for a wide range of farm applications. It's powered by a John Deere 4.5L (276 cu in) 4-cylinder diesel engine, producing approximately 80 engine horsepower. The 5820 typically features a variety of transmission options, including a SyncReverser transmission with 9 forward and 9 reverse gears, or a PowrQuad transmission offering 16 forward and 16 reverse gears. PTO horsepower is rated around 67 hp, with a standard independent 540 RPM PTO. Some models may also offer a 540/1000 RPM PTO option. Hydraulic capacity is around 17.2 GPM, with typically two rear remotes available. The 3-point hitch is a Category II, capable of lifting around 4,629 lbs. Common applications for the 5820 include row crop work, hay baling, livestock feeding, and light tillage operations. What sets it apart from other models in the lineup is its size and power, making it a versatile option for small to medium sized farms.
Specifications
| Engine | John Deere 4.5L Diesel, 80 HP |
|---|---|
| PTO HP | 67 HP @ 540 RPM |
| Transmission | SyncReverser 9F/9R, PowrQuad 16F/16R |
| Hydraulics | 17.2 GPM, 2 remotes |
| 3-Point Hitch | Category II, 4,629 lbs lift capacity |
| Fuel Capacity | 31.7 gallons |
| Weight | 7,724 lbs |
| Years Produced | 2003-2007 |
Maintenance Tips
- Engine Oil & Filter: Change engine oil and filter every 250 hours of operation using John Deere approved oil and filter. Check oil level daily.
- Hydraulic System: Inspect hydraulic fluid level and condition regularly. Change hydraulic fluid and filters every 1000 hours or annually, using approved fluids to prevent contamination.
- Fuel System: Use clean, high-quality diesel fuel. Replace fuel filters at recommended intervals (typically every 500 hours) to prevent fuel system issues. Drain water separator regularly.
- Seasonal Storage: Before storing the tractor for an extended period, stabilize the fuel, lubricate all grease fittings, and protect the tires from direct sunlight. Consider storing indoors to prevent weather damage.
History & Background
The John Deere 5820 was introduced in 2003 as part of the 5000 series, offering a modern utility tractor option for farmers. It provided a balance of power, features, and comfort. The 5820 remains a sought-after model for its reliability and versatility in a variety of agricultural applications.
Frequently Asked Questions
What engine is in the John Deere 5820?
The John Deere 5820 is equipped with a John Deere 4.5L 4-cylinder diesel engine, producing approximately 80 horsepower.
What is the PTO horsepower on a 5820?
The PTO horsepower on a John Deere 5820 is approximately 67 horsepower. It features an independent 540 RPM PTO, with some models offering a 540/1000 RPM option.
What oil filter fits the 5820?
The recommended oil filter for the John Deere 5820 is typically a John Deere filter part number RE504836 or equivalent. Cross-references include Wix 51794 or Baldwin B1432. Always verify compatibility with your specific engine configuration.
What are common parts needed for the 5820?
Common wear parts for the John Deere 5820 include engine oil filters, fuel filters, hydraulic filters, belts (fan belt, alternator belt), hydraulic cylinder seal kits, tie rod ends, and clutch components. Brake pads and rotors may also be needed depending on use.

R209938 - Planetary Brake; B1 & B2 (PowrQuad Transmission) Plate
SKU: R209938
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R158521 - Planetary Brake Housing (6/Pack) O-Ring
SKU: R158521
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R124438 - Reverse Brake Housing Bushing
SKU: R124438
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R108927 - Ring; Transmission Oil Pump; 12 MM Gear
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SKU: R108925
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L116346 - Durometer 70 O-Ring; 11.220 ID X .138" Thick
SKU: L116346
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SKU: L116345
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AR94516 - Direct Drive Clutch Disc
SKU: AR94516
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AL39391 - Seal
SKU: AL39391
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AL204621 - Magnetic Pickup Sensor
SKU: AL204621
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AL162799 - Gear Shift Grip Assy
SKU: AL162799
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R98063 - Intake Valve (Std) Insert
SKU: R98063
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R98062 - Intake (Std) Valve
SKU: R98062
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R97492 - Exhaust (.015") Valve
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R97342 - Pan Gasket
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R91889 - Valve (12 halves) Lock
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R90692 - Exhaust (Std) Valve
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R85687 - Exhaust Valve (Std) Insert
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R85363 - Head Bolt
SKU: R85363
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R81989 - Front Crankshaft Sleeve
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R80500 - Cylinder Liner
SKU: R80500
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R80136 - Oil Filler Cap
SKU: R80136
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R79604 - Injector NUT
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