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John Deere 6120 Tractor Parts

6120 parts and accessories

The John Deere 6120 tractor, manufactured from 2003 to 2007, proved to be a reliable workhorse on farms. Powered by a 4.5L PowerTech diesel engine delivering around 80 horsepower, and boasting a PTO horsepower of approximately 66, this model became popular for its versatility in various agricultural tasks. Farmers appreciated its balance of power, efficiency, and user-friendly design.

The John Deere 6120 was introduced in 2003 as part of the John Deere 6000 series, replacing earlier models and offering updated features and performance. Production continued through 2007. This tractor features a 4.5L John Deere PowerTech 4045T diesel engine, producing approximately 80 horsepower. The engine's displacement is 276 cubic inches (4.5 liters). Transmission options included a SyncroPlus transmission with 12 forward and 4 reverse speeds, or a PowrQuad Plus transmission offering 16 forward and 16 reverse speeds with power shift capabilities. The PTO horsepower is around 66 hp, with a standard 540 RPM PTO, and an optional 540/1000 RPM PTO. Hydraulic capacity is approximately 15.9 GPM (60.2 L/min) with typically two rear remotes. It features a Category II 3-point hitch with a lift capacity of around 5,357 lbs. The John Deere 6120 was commonly used for various farming applications, including row crop work, hay production, livestock operations, and light tillage. What distinguishes it from other models in the lineup is its compact size, balanced power, and fuel efficiency, making it a versatile choice for smaller to medium-sized farms.

Specifications

EngineJohn Deere 4045T 80 HP Diesel
PTO HP66 HP @ 540/1000 RPM
TransmissionSyncroPlus 12x4 or PowrQuad Plus 16x16
Hydraulics15.9 GPM, 2 remotes
3-Point HitchCategory II, 5357 lbs
Fuel Capacity34.3 gallons
Weight8,600 lbs
Years Produced2003-2007

Maintenance Tips

  • Engine Oil & Filter: Change the engine oil and filter every 250 hours of operation. Use John Deere Plus-50 II oil or equivalent and a genuine John Deere oil filter for optimal engine protection.
  • Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filters every 500 hours. Use only John Deere Hy-Gard fluid to prevent damage to hydraulic components. Check for leaks around hydraulic cylinders and hoses.
  • Fuel System: Use clean, high-quality diesel fuel and replace the fuel filter every 500 hours to prevent fuel system issues. Drain water from the fuel/water separator regularly, especially in humid conditions. Consider using a fuel additive during cold weather.

History & Background

The John Deere 6120 was launched in 2003 as a part of the updated 6000 series, designed to provide a modern and efficient tractor for a range of agricultural tasks. There were no major redesigns during its production run, but it represented an advancement in terms of operator comfort and fuel efficiency compared to its predecessors. It solidified John Deere's reputation for producing reliable and versatile tractors.

Frequently Asked Questions

What engine is in the John Deere 6120?

The John Deere 6120 is equipped with a 4.5L John Deere PowerTech 4045T diesel engine, producing approximately 80 horsepower.

What is the PTO horsepower on a 6120?

The PTO horsepower rating on the John Deere 6120 is approximately 66 HP. It offered a standard 540 RPM PTO and an optional 540/1000 RPM PTO.

What oil filter fits the 6120?

The recommended oil filter for the John Deere 6120 is a John Deere filter part number RE504836 or an equivalent cross-reference like a Wix 51348 or a Baldwin B7170.

What are common parts needed for the 6120?

Commonly needed parts for the John Deere 6120 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, hydraulic cylinder seal kits, steering cylinder seals, and clutch components (if applicable for mechanical transmissions).

Showing 553-576 of 733 products
L157637 - RH Housing; MFWD Knuckle

L157637 - RH Housing; MFWD Knuckle

SKU: L157637

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L157636 - LH Housing; MFWD Knuckle

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L156857 - MFWD DRIVESHAFT SEAL

L156857 - MFWD DRIVESHAFT SEAL

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L114652 - Front MFWD Axle Bushing

L114652 - Front MFWD Axle Bushing

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L114558 - MFWD Axle Housing Bushing

L114558 - MFWD Axle Housing Bushing

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L113966 - MFWD Short Axle Housing Bushing

L113966 - MFWD Short Axle Housing Bushing

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SKU: L111817

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L110237 - Planetary Pinion

L110237 - Planetary Pinion

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L110236 - Drive Shaft

L110236 - Drive Shaft

SKU: L110236

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L110233 - MFWD Driveshaft Seal

L110233 - MFWD Driveshaft Seal

SKU: L110233

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L100632 - Cross & Bearing Kit  28.5mm X 70.5mm

L100632 - Cross & Bearing Kit 28.5mm X 70.5mm

SKU: L100632

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L100152 - MFWD Differential (1.2MM Thick) Plate

L100152 - MFWD Differential (1.2MM Thick) Plate

SKU: L100152

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L100151 - MFWD Differential (1.1MM Thick) Plate

L100151 - MFWD Differential (1.1MM Thick) Plate

SKU: L100151

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L100150 - MFWD Differential (1.0MM Thick) Plate

L100150 - MFWD Differential (1.0MM Thick) Plate

SKU: L100150

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JD10250 - Differential Pinion Bearing

JD10250 - Differential Pinion Bearing

SKU: JD10250

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AL79950 - MFWD Seal

SKU: AL79950

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AL79901 - King Pin Bearing

AL79901 - King Pin Bearing

SKU: AL79901

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AL79843 - MFWD Planetary Pinion Bearing

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SKU: AL79843

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AL65850 - Steering Cylinder Seal Kit

AL65850 - Steering Cylinder Seal Kit

SKU: AL65850

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AL57855 - Spindle w/ Fender Mounting Bracket (RH/LH)

AL57855 - Spindle w/ Fender Mounting Bracket (RH/LH)

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AL38381 - Spindle (RH/LH)

AL38381 - Spindle (RH/LH)

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AL227049 - MFWD Front Axle Double Jointed Shaft Seal

AL227049 - MFWD Front Axle Double Jointed Shaft Seal

SKU: AL227049

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