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
| Engine | John Deere PowerTech 4045HL558 125 HP 4.5L Diesel |
|---|---|
| PTO HP | 105 HP @ 540/1000 RPM |
| Transmission | PowrQuad Plus 16F/16R |
| Hydraulics | 29 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 7396 lbs lift |
| Fuel Capacity | 42.3 gallons |
| Weight | 11,464 lbs |
| Years Produced | 2011-2014 |
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.

RE34786 - Transmission Disc
SKU: RE34786
97 in stock

RE23286 - PTO Clutch Disc
SKU: RE23286
775 in stock

RE225878 - Trans Oil Pump w/ Bushing Shaft
SKU: RE225878
20 in stock

RE151059 - Clutch Disc
SKU: RE151059
395 in stock

R96805 - Clutch Plate
SKU: R96805
98 in stock

R95378 - Transmission Plate
SKU: R95378
69 in stock

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R216293 - Clutch; Planetary Brake Plate
SKU: R216293
29 in stock

R216291 - Clutch; Planetary Brake Plate
SKU: R216291
7 in stock

R209938 - Planetary Brake; B1 & B2 (PowrQuad Transmission) Plate
SKU: R209938
101 in stock

R158521 - Planetary Brake Housing (6/Pack) O-Ring
SKU: R158521
138 in stock

R124438 - Reverse Brake Housing Bushing
SKU: R124438
331 in stock

R108927 - Ring; Transmission Oil Pump; 12 MM Gear
SKU: R108927
65 in stock

R108925 - Transmisson Oil Pump Drive; 12 MM Gear
SKU: R108925
35 in stock

L114053 - Brake Actuating (22MM Wide) Disc
SKU: L114053
13 in stock

L111978 - Brake Piston
SKU: L111978
10 in stock

AR94516 - Direct Drive Clutch Disc
SKU: AR94516
1086 in stock

AL204621 - Magnetic Pickup Sensor
SKU: AL204621
68 in stock

R98063 - Intake Valve (Std) Insert
SKU: R98063
90 in stock

R98062 - Intake (Std) Valve
SKU: R98062
76 in stock

R97492 - Exhaust (.015") Valve
SKU: R97492
257 in stock

R97490 - Intake (.015") Valve
SKU: R97490
77 in stock

R97344 - Pan Gasket
SKU: R97344
56 in stock
R91889 - Valve (12 halves) Lock
SKU: R91889
7368 in stock
