John Deere 6125D Tractor Parts
6125D parts and accessories
The John Deere 6125D tractor, manufactured from approximately 2011 to 2013, offers a reliable and robust solution for a variety of farming tasks. Powered by a John Deere PowerTech 4.5L diesel engine producing around 125 horsepower, this tractor delivers ample power for demanding operations. With a PTO horsepower of approximately 105 HP, the 6125D became a popular choice among farmers for its versatility and efficient performance in field work and livestock operations.
The John Deere 6125D was introduced as part of John Deere's lineup of utility tractors, aiming to provide a balance of power and affordability for farmers. Production years typically range from 2011 to 2013, though this can vary by region. The heart of the 6125D is a John Deere PowerTech 4045 diesel engine, a 4.5-liter (276 cubic inch) 4-cylinder engine rated at approximately 125 horsepower. This engine is known for its durability and fuel efficiency. The tractor is equipped with a mechanical transmission, typically an 9-speed synchronized transmission offering a range of forward and reverse speeds. The PTO horsepower is around 105 HP with a standard 540 RPM PTO. Hydraulic capacity is approximately 14.5 GPM, providing sufficient flow for implements and attachments. It features a Category II 3-point hitch, enabling it to handle a wide range of implements. The 6125D is well-suited for various farming applications, including row crop work, hay production, livestock management, and light to medium tillage operations. Compared to smaller models, the 6125D offers more power and hydraulic capacity, while being more economical than larger, more technologically advanced tractors.
Specifications
| Engine | John Deere PowerTech 125 HP 4.5L Diesel |
|---|---|
| PTO HP | 105 HP @ 540 RPM |
| Transmission | 9-Speed Synchro |
| Hydraulics | 14.5 GPM, 2 remotes |
| 3-Point Hitch | Category II, 5842 lbs lift capacity |
| Fuel Capacity | 38.5 gallons |
| Weight | 11,500 lbs |
| Years Produced | 2011-2013 (approximate) |
Maintenance Tips
- Change the engine oil and filter every 250 hours of operation, using the recommended John Deere oil specification for optimal engine life.
- Regularly inspect and maintain the hydraulic system, checking for leaks and changing the hydraulic fluid and filter according to the manufacturer's recommendations (typically every 500 hours).
- Use high-quality diesel fuel and regularly inspect the fuel filter, replacing it as needed to prevent fuel system problems.
- Before seasonal storage, drain the fuel tank and add a fuel stabilizer to prevent fuel degradation and ensure easy starting when the tractor is brought back into service.
History & Background
The John Deere 6125D was introduced as a reliable utility tractor intended for varied farm operations. There weren't any major redesigns during its production run. It filled a crucial need by offering power and versatility at a competitive price, making it a practical choice for many farmers.
Frequently Asked Questions
What engine is in the John Deere 6125D?
The John Deere 6125D is powered by a John Deere PowerTech 4045 diesel engine, a 4.5-liter (276 cubic inch) 4-cylinder engine rated at approximately 125 horsepower.
What is the PTO horsepower on a 6125D?
The PTO horsepower on the John Deere 6125D is approximately 105 HP at 540 RPM.
What oil filter fits the 6125D?
The recommended oil filter for the John Deere 6125D is typically a John Deere filter part number RE504836 or equivalent. Common cross-references include Wix 51794, Baldwin B1421, and Fram PH6607.
What are common parts needed for the 6125D?
Common wear parts for the John Deere 6125D include engine oil filters, fuel filters, air filters, hydraulic filters, belts for the engine and accessories, hydraulic seals for cylinders and pumps, steering components like tie rod ends, and clutch components for models with a manual transmission.

RE280822 - Speed Sensor
SKU: RE280822
51 in stock

RE217077 - Transmission Oil Pressure Sensor
SKU: RE217077
88 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

R97342 - Pan Gasket
SKU: R97342
143 in stock
R91889 - Valve (12 halves) Lock
SKU: R91889
7368 in stock

R90692 - Exhaust (Std) Valve
SKU: R90692
64 in stock

R85687 - Exhaust Valve (Std) Insert
SKU: R85687
76 in stock

R85363 - Head Bolt
SKU: R85363
10683 in stock

R80500 - Cylinder Liner
SKU: R80500
8 in stock

R80136 - Oil Filler Cap
SKU: R80136
152 in stock

R54114 - Piston Pin Retainer
SKU: R54114
113 in stock

R524480 - Rocker Arm Cover Gasket
SKU: R524480
86 in stock

R521493 - Oil Pan Gasket
SKU: R521493
3 in stock

R520131 - Timing Gear Cover Gasket
SKU: R520131
8 in stock

R501124 - Connecting Rod Bolt
SKU: R501124
53 in stock

R500596 - Air Intake Hose
SKU: R500596
327 in stock

R28811 - Flywheel Ring Gear
SKU: R28811
274 in stock

R26125 - Valve Spring
SKU: R26125
262 in stock

R133893 - Air Inlet Gasket
SKU: R133893
11 in stock

R123570 - Turbo Oil Outlet Gasket
SKU: R123570
27 in stock

R123565 - Tappet
SKU: R123565
22 in stock
