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John Deere 6125J Tractor Parts

6125J parts and accessories

The John Deere 6125J, produced from 2011 to 2014, is a robust utility tractor known for its reliability and versatility on the farm. Powered by a John Deere PowerTech 4.5L diesel engine delivering around 125 horsepower, it boasts a PTO horsepower of approximately 105 HP. Farmers appreciated its comfortable cab and the ability to handle a variety of tasks, from tillage to hay baling.

The John Deere 6125J was introduced as a part of John Deere's broader lineup of utility tractors designed for medium-sized farming operations. Production spanned from 2011 to 2014. This model features a John Deere PowerTech 4045HL558 4.5L four-cylinder diesel engine, producing approximately 125 engine horsepower. The engine's displacement is 4.5 liters (276 cubic inches), providing ample power for various agricultural tasks. The transmission is typically a PowrQuad Plus transmission offering multiple speeds, generally 16 forward and 16 reverse gears, providing a wide range of operating speeds for different field conditions. The PTO horsepower is around 105 HP, available at either 540 or 1000 RPM, depending on the configuration. The hydraulic system delivers a flow rate of approximately 29 GPM to power implements and attachments. The 3-point hitch is typically a Category II, with a lift capacity around 7,396 lbs. Common farming applications include row crop work, hay production, livestock feeding, and light tillage. The 6125J distinguishes itself from smaller models with its increased horsepower and hydraulic capacity, making it suitable for heavier implements, while being more maneuverable and fuel-efficient than larger frame tractors.

Specifications

EngineJohn Deere PowerTech 4045HL558 125 HP 4.5L Diesel
PTO HP105 HP @ 540/1000 RPM
TransmissionPowrQuad Plus 16F/16R
Hydraulics29 GPM, 2-3 remotes
3-Point HitchCategory II, 7396 lbs lift
Fuel Capacity42.3 gallons
Weight11,464 lbs
Years Produced2011-2014

Maintenance Tips

  • Engine Oil & Filter: Change engine oil and filter every 500 hours of operation using John Deere approved oil and filters for optimal engine performance and longevity.
  • Hydraulic System: Inspect hydraulic fluid levels regularly and change hydraulic filters every 1000 hours or annually, whichever comes first. Use only John Deere approved hydraulic fluid.
  • Fuel System: Use clean, high-quality diesel fuel and regularly inspect the fuel filter. Drain any water or sediment from the fuel tank periodically to prevent fuel system issues.
  • Seasonal Storage: Before storing the tractor for the off-season, fill the fuel tank to prevent condensation, change the engine oil and filter, and lubricate all grease fittings to protect components from corrosion.

History & Background

The John Deere 6125J was released as part of a refresh of John Deere's utility tractor lineup in the early 2010s. It provided a mid-range horsepower option for farmers needing a versatile and reliable machine. It offered improved comfort and performance compared to previous generations of John Deere utility tractors.

Frequently Asked Questions

What engine is in the John Deere 6125J?

The John Deere 6125J is equipped with a John Deere PowerTech 4045HL558 4.5L four-cylinder diesel engine that produces approximately 125 horsepower.

What is the PTO horsepower on a 6125J?

The PTO horsepower on the John Deere 6125J is approximately 105 HP, available at either 540 or 1000 RPM, depending on the tractor's configuration.

What oil filter fits the 6125J?

The John Deere 6125J typically uses a John Deere oil filter part number RE504836 or a similar cross-reference from brands like Fleetguard or Baldwin. Consult your tractor's manual for specific recommendations.

What are common parts needed for the 6125J?

Common wear parts for the John Deere 6125J include engine oil filters, fuel filters, hydraulic filters, air filters, belts (alternator, fan), hydraulic cylinder seal kits, steering components (tie rod ends), and clutch components.

Showing 25-48 of 220 products
RE515785 - Straight Nose Crankshaft

RE515785 - Straight Nose Crankshaft

SKU: RE515785

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RE515636 - Engine Restrictor
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RE515636 - Engine Restrictor

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$80.71

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RE508317 - W/ Adjusting Screw Rocker Arm
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RE508317 - W/ Adjusting Screw Rocker Arm

SKU: RE508317

$28.11

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RE504914 - Engine Oil Pump

RE504914 - Engine Oil Pump

SKU: RE504914

$189.99

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RE502740 - Engine Oil Dipstick

RE502740 - Engine Oil Dipstick

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RE501456 - Overhaul without Seals Gasket Set

RE501456 - Overhaul without Seals Gasket Set

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RE501455 - Overhaul without Seals Gasket Set

RE501455 - Overhaul without Seals Gasket Set

SKU: RE501455

$229.58

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RE500844 - Water Temperature Sensor

RE500844 - Water Temperature Sensor

SKU: RE500844

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RE500608 - Fracture Type Connecting Rod

RE500608 - Fracture Type Connecting Rod

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RE48786 - Pencil Injector
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RE48786 - Pencil Injector

SKU: RE48786

$92.88

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RE31617 - Valve Seal

RE31617 - Valve Seal

SKU: RE31617

$3.72

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RE31323 - Valve Rotator

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R80135 - Oil Filler Cap Gasket

R80135 - Oil Filler Cap Gasket

SKU: R80135

$2.47

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T75984 - Durometer 90 (2/Pack) .070" Thick O-Ring; .801" ID X .941" OD

T75984 - Durometer 90 (2/Pack) .070" Thick O-Ring; .801" ID X .941" OD

SKU: T75984

$0.79

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T42302 - Durometer 70 (1/Pack) .103" Thick O-Ring;  3.987" ID X 4.193" OD

T42302 - Durometer 70 (1/Pack) .103" Thick O-Ring; 3.987" ID X 4.193" OD

SKU: T42302

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T13119 - Durometer 75 (10/Pack) .103" Thick O-Ring; .737" ID X .943" OD

T13119 - Durometer 75 (10/Pack) .103" Thick O-Ring; .737" ID X .943" OD

SKU: T13119

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R56757 - Durometer 75 (2/Pack) .139" Thick O-Ring; 3.609" ID X 3.887" OD

R56757 - Durometer 75 (2/Pack) .139" Thick O-Ring; 3.609" ID X 3.887" OD

SKU: R56757

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R56462 - Durometer 75 (5/Pack) .139" Thick O-Ring; .734" ID X 1.012" OD

R56462 - Durometer 75 (5/Pack) .139" Thick O-Ring; .734" ID X 1.012" OD

SKU: R56462

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R26871 - Snap Ring

R26871 - Snap Ring

SKU: R26871

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R112857 - Durometer 75 (1/Pack) .103" Thick O-Ring; 2.550" ID X  2.756" OD

R112857 - Durometer 75 (1/Pack) .103" Thick O-Ring; 2.550" ID X 2.756" OD

SKU: R112857

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P50883 - Durometer 70 (10/Pack) .070" Thick O-Ring; .676" ID X .816" OD

P50883 - Durometer 70 (10/Pack) .070" Thick O-Ring; .676" ID X .816" OD

SKU: P50883

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P47889 - Durometer 70 (2/Pack) .103" Thick O-Ring; .799" ID X 1.005" OD

P47889 - Durometer 70 (2/Pack) .103" Thick O-Ring; .799" ID X 1.005" OD

SKU: P47889

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L209135 - Durometer 65 (1/Pack) .110" Thick O-Ring; 1.063" ID X 1.283" OD

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SKU: L209135

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B2762R - Durometer 70 (10/Pack) .139" Thick O-Ring; .734" ID X 1.012" OD

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SKU: B2762R

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