John Deere SE6120 Tractor Parts
SE6120 parts and accessories
The John Deere SE6120 tractor, manufactured between 2021 and 2023, is a reliable workhorse in the 120 horsepower class. Powered by a robust John Deere PowerTech diesel engine, this tractor delivers ample power for various farming tasks. Its popularity stems from its balanced combination of performance, comfort, and affordability, making it a favorite among farmers for both field work and livestock operations. With a PTO of 100 HP, it's the perfect utility ag tractor.
The John Deere SE6120 was introduced as part of the value-priced SE series, designed to offer essential features and performance without unnecessary complexity. Production ran from 2021 to 2023. The SE6120 is equipped with a John Deere PowerTech 4.5L 4-cylinder diesel engine, producing approximately 120 horsepower. This engine is known for its fuel efficiency and dependability in demanding agricultural conditions. It utilizes a mechanical fuel injection system, enhancing its simplicity and ease of maintenance. Transmission options typically included a PowrQuad Plus transmission with 16 forward and 16 reverse gears, providing a wide range of speeds for optimal performance in diverse applications. The independent rear PTO delivers around 100 horsepower, available in both 540 and 1000 RPM options, accommodating various implements. The hydraulic system has a capacity of around 22.5 GPM, powering multiple remote valves for implement control. The tractor features a Category II 3-point hitch with a lift capacity of approximately 7,500 lbs. Common applications for the SE6120 include row crop work, hay baling, livestock feeding, and general tillage. It differentiates itself from higher-end John Deere models with its focus on essential features and a more straightforward design, making it an attractive option for farmers seeking a capable and cost-effective tractor.
Specifications
| Engine | John Deere PowerTech 4.5L 120 HP Diesel |
|---|---|
| PTO HP | 100 HP @ 540/1000 RPM |
| Transmission | PowrQuad Plus 16F/16R |
| Hydraulics | 22.5 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 7500 lbs |
| Fuel Capacity | 42.3 gallons |
| Weight | 11,440 lbs |
| Years Produced | 2021-2023 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 500 hours using John Deere-approved oil and filters to ensure optimal engine performance and longevity.
- Hydraulic System: Regularly inspect hydraulic fluid levels and filter condition. Replace the hydraulic filter every 1000 hours to prevent contamination and maintain proper hydraulic function.
- Fuel System: Use clean, high-quality diesel fuel and change the fuel filter according to the manufacturer's recommendations to prevent fuel system issues. Drain any water from the fuel/water separator regularly.
- Seasonal Storage: Before storing the tractor for extended periods, add a fuel stabilizer to the fuel tank, grease all lubrication points, and disconnect the battery to prevent corrosion and maintain optimal performance.
History & Background
The John Deere SE6120 was introduced in 2021 as part of the SE series, providing a more economical alternative to premium models. It offered farmers a reliable and capable tractor with essential features at a competitive price point. While it didn't undergo major redesigns during its short production run, it filled an important niche in John Deere's tractor lineup.
Frequently Asked Questions
What engine is in the John Deere SE6120?
The John Deere SE6120 is equipped with a John Deere PowerTech 4.5L 4-cylinder diesel engine.
What is the PTO horsepower on a SE6120?
The PTO horsepower on the John Deere SE6120 is approximately 100 HP. It offers both 540 and 1000 RPM PTO options.
What oil filter fits the SE6120?
The oil filter for the John Deere SE6120 is typically a John Deere filter part number RE504836 or RE509672. Cross-references include Wix 57202, Baldwin BD7151, and Fleetguard LF3970.
What are common parts needed for the SE6120?
Common wear parts for the John Deere SE6120 include engine oil filters, fuel filters, air filters (inner and outer), hydraulic filters, belts (fan and alternator), hydraulic seals, steering components, and clutch parts (if applicable). Also, consider regular replacement of injectors and glow plugs for optimal engine performance.

RE506195 - Taper Nose Crankshaft
SKU: RE506195
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T20073 - Camshaft Follower
SKU: T20073
57 in stock

RE66082 - Upper Gasket Set
SKU: RE66082
23 in stock

RE65969 - Piston Liner Kit
SKU: RE65969
48 in stock

RE65912 - Thrust (.010") Bearing
SKU: RE65912
76 in stock

RE65911 - Main (.010") Bearing
SKU: RE65911
688 in stock

RE65909 - Connecting Rod (.010") Bearing
SKU: RE65909
95 in stock

RE65908 - Connecting Rod (Std) Bearing
SKU: RE65908
8912 in stock

RE65168 - Thrust (Std) Bearing
SKU: RE65168
879 in stock

RE65165 - Main (Std) Bearing
SKU: RE65165
7061 in stock

RE64292 - Injector O-Ring Kit
SKU: RE64292
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RE61812 - Air Intake Temperature Sensor
SKU: RE61812
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RE59810 - Front Crankshaft Seal
SKU: RE59810
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RE56690 - 7 Plate Engine Oil Cooler
SKU: RE56690
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RE56375 - Camshaft
SKU: RE56375
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RE55512 - Piston
SKU: RE55512
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RE531436 - Fuel Injector
SKU: RE531436
271 in stock

RE527042 - Complete Overhaul Gasket Set
SKU: RE527042
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RE519696 - Water In Fuel Sensor
SKU: RE519696
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RE516553 - Fuel Filter Seal Kit
SKU: RE516553
391 in stock

RE506261-N - Turbocharger
SKU: RE506261-N
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RE506261 - Turbocharger
SKU: RE506261
2 in stock

RE504914 - Engine Oil Pump
SKU: RE504914
29 in stock

RE504638 - Crankshaft
SKU: RE504638
Out of stock
