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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 289-312 of 733 products
R216293 - Clutch; Planetary Brake Plate

R216293 - Clutch; Planetary Brake Plate

SKU: R216293

$44.58

29 in stock

R216291 - Clutch; Planetary Brake Plate

R216291 - Clutch; Planetary Brake Plate

SKU: R216291

$44.49

7 in stock

R209938 - Planetary Brake; B1 & B2 (PowrQuad Transmission) Plate

R209938 - Planetary Brake; B1 & B2 (PowrQuad Transmission) Plate

SKU: R209938

$59.06

101 in stock

R158521 - Planetary Brake Housing (6/Pack) O-Ring

R158521 - Planetary Brake Housing (6/Pack) O-Ring

SKU: R158521

$1.54

138 in stock

R124438 - Reverse Brake Housing Bushing

R124438 - Reverse Brake Housing Bushing

SKU: R124438

$22.29

331 in stock

R116894 - Clutch Plate

R116894 - Clutch Plate

SKU: R116894

$25.67

30 in stock

R114215 - Clutch Plate

R114215 - Clutch Plate

SKU: R114215

$49.56

21 in stock

R108927 - Ring; Transmission Oil Pump; 12 MM Gear

R108927 - Ring; Transmission Oil Pump; 12 MM Gear

SKU: R108927

$70.47

65 in stock

R108925 - Transmisson Oil Pump Drive; 12 MM Gear

R108925 - Transmisson Oil Pump Drive; 12 MM Gear

SKU: R108925

$66.19

35 in stock

L78682 - Transmission Disc

L78682 - Transmission Disc

SKU: L78682

$30.13

9 in stock

L28376 - Differential Bevel Gear

L28376 - Differential Bevel Gear

SKU: L28376

$132.49

13 in stock

L114053 - Brake Actuating (22MM Wide) Disc

L114053 - Brake Actuating (22MM Wide) Disc

SKU: L114053

$222.35

13 in stock

L111978 - Brake Piston

L111978 - Brake Piston

SKU: L111978

$269.89

10 in stock

L100242 - Planetary Pinion Carrier

L100242 - Planetary Pinion Carrier

SKU: L100242

$796.36

15 in stock

AR94516 - Direct Drive Clutch Disc

AR94516 - Direct Drive Clutch Disc

SKU: AR94516

$20.19

1086 in stock

AL223210 - Range Shift (C&D) Cable

AL223210 - Range Shift (C&D) Cable

SKU: AL223210

$84.17

117 in stock

AL204621 - Magnetic Pickup Sensor

AL204621 - Magnetic Pickup Sensor

SKU: AL204621

$54.26

68 in stock

AL165074 - W/O Air Vent Cap; Transmission Oil Filler

AL165074 - W/O Air Vent Cap; Transmission Oil Filler

SKU: AL165074

$17.47

273 in stock

AL160176 - Differential Discs Brake Disc Kit

AL160176 - Differential Discs Brake Disc Kit

SKU: AL160176

$169.19

36 in stock

AL112982 - Brake Disc

AL112982 - Brake Disc

SKU: AL112982

$135.57

18 in stock

AL112765 - Range Shift (A&B) Cable

AL112765 - Range Shift (A&B) Cable

SKU: AL112765

$90.22

132 in stock

AL111498 - Brake Disc

AL111498 - Brake Disc

SKU: AL111498

$146.71

126 in stock

R98063 - Intake Valve (Std) Insert

R98063 - Intake Valve (Std) Insert

SKU: R98063

$7.58

90 in stock

R98062 - Intake (Std) Valve

R98062 - Intake (Std) Valve

SKU: R98062

$14.58

76 in stock