John Deere 6125M Tractor

Manufacturer John Deere
Price 101,397(USD)
Model 6125M
Equipment Type Utility Tractors
Factory Mannheim, Baden-Württemberg, Germany

ENGINE DETAIL

The John Deere 6125M features a PowerTech PVX engine with a variable geometry turbocharger, providing efficient power delivery with a rated output of 125hp and a robust torque of 415lb-ft at 1600 RPM, ideal for heavy-duty applications. Its cooled exhaust gas recirculation ensures compliance with Interim Tier IV emissions regulations while optimizing fuel combustion efficiency through the high-pressure common rail system. However, the 16.1:1 compression ratio might lead to higher thermal stress, requiring meticulous maintenance to avoid overheating and ensure longevity in demanding tasks.

Description John Deere PowerTech PVX variable geometry turbocharger with intercooler diesel 4-cylinder liquid-cooled
Displacement 276ci / 4.5L
Bore/Stroke 4.19x5.00inches / 106x 127mm
Emission Interim Tier IV
Emission control cooled exhaust gas recirculation
Rated Power (EC 97/98) 125hp / 93.2kW
Maximum Power (EC 97/68) 130hp / 96.9kW
Fuel system high pressure common rail
Compression 16.1:1
Rated RPM 2100
Torque 415lb-ft / 562.7Nm
Torque RPM 1600
Starter electric
Starter volts 12
Oil capacity 16.9qts / 16.0L
Coolant capacity 23.3qts / 22.1L

JOHN DEERE 6125M ENGINE

The John Deere 6125M features a robust 4.5L 4-cylinder diesel engine, delivering excellent torque and fuel efficiency, ideal for various agricultural tasks. Its compact design enhances maneuverability in tight spaces, making it suitable for small to medium-sized farms. However, potential challenges may include weight limitations when working with larger equipment and fluctuations in diesel fuel prices affecting operational costs.

Description John Deere 4.5L 4-cyl diesel

TRANSMISSIONS OVERVIEW

The John Deere 6125M features a robust transmission system that includes a 12-speed fully synchronized option, providing seamless gear transitions for enhanced operational efficiency. Its 24-speed partial power shift capability offers versatility for varying workloads, making it suitable for both field operations and transport scenarios. However, the complexity of a 24-speed transmission may require more extensive operator training to ensure optimal performance and reduce the risk of operator error.

Description 12-speed fully synchronized 16-speed partial power shift 24-speed partial power shift

TRANSMISSION 1

The John Deere 6125M features a SyncroPlus transmission, providing seamless gear shifts with its fully synchronized system, which enhances operator comfort and efficiency. With 12 forward and 4 reverse gears, this tractor offers versatility suitable for various farming tasks, from tilling to transporting. The wet disc clutch ensures smooth engagement and durability under heavy loads, making it a reliable choice for contractors requiring consistent performance in diverse conditions.

Transmission SyncroPlus
Type fully synchronized
Gears 12 forward and 4 reverse
Clutch wet disc

TRANSMISSION 2

The John Deere 6125M tractor features a Power Quad transmission with 16 forward and reverse gears, offering enhanced control and versatility for various agricultural tasks. The wet disc clutch provides smoother engagement and durability, though it may require more frequent maintenance compared to dry clutches. With an oil capacity of 55 quarts (52.1L), it supports optimal hydraulic performance, essential during intensive operations like plowing or cultivating.

Transmission Power Quad
Type partial power shift
Gears 16 forward and reverse
Clutch wet disc
Oil capacity 55qts / 52.1L

TRANSMISSION 3

The John Deere 6125M tractor features a Power Quad Plus transmission with 24 forward and reverse gears, providing versatile speed selection for various agricultural tasks. The partial power shift mechanism enhances efficiency when changing gears under load, while the wet disc clutch improves durability and reduces wear. However, consider that the oil capacity of 55 quarts (52.1L) requires regular maintenance to ensure optimal performance and longevity.

Transmission Power Quad Plus
Type partial power shift
Gears 24 forward and reverse
Clutch wet disc
Oil capacity 55qts / 52.1L

TRANSMISSION 4

The John Deere 6125M features an AutoQuad Plus transmission, providing seamless partial power shifting across 24 forward and reverse gears, which enhances operational efficiency for varied terrain and tasks. The wet disc clutch system allows for smooth engagement and extended durability under heavy loads, making it ideal for demanding agricultural applications. With an oil capacity of 55 quarts (52.1L), regular maintenance is crucial to ensure optimal performance and prolong the tractor's service life.

Transmission AutoQuad Plus
Type partial power shift
Gears 24 forward and reverse
Clutch wet disc
Oil capacity 55qts / 52.1L

JOHN DEERE 6125M TRANSMISSIONS

The John Deere 6125M features a 12-speed fully synchronized transmission that enhances ease of operation, making it suitable for various farming tasks by providing smooth gear shifting. Its 16-speed partial power shift option allows for efficient load handling and improved fuel economy during fieldwork. The 24-speed configuration further optimizes speed control and torque management, which can be advantageous in diverse applications such as tillage or transport, albeit with increased complexity in operation.

Description 12-speed fully synchronized 16-speed partial power shift 24-speed partial power shift

MECHANICAL

The John Deere 6125M tractor features a hydrostatic power steering system that enhances maneuverability, particularly in tight spaces, while its optional air-conditioned cab offers operator comfort during extended use. The vehicle's electro-hydraulic rear differential lock improves traction on challenging terrain, making it suitable for various agricultural applications. However, the reliance on optional features like Green Star and AutoTrac could increase initial costs depending on the desired technology integration.

Description Two- or four-wheel drive Hydraulic wet disc brakes Two-post foldable ROPS. Cab optional with air-conditioning. Green Star (optional); AutoTrac (optional)
Differential lock Electro-hydraulic rear limit-slip front (4WD)
Steering hydrostatic power

CAPACITY

Fuel 58gal / 219.5L
Hydraulic system 13.7gal / 51.9L

HYDRAULICS

Type open center pressure compensated/closed center load sensing pressure and flow compensated (optional)
Capacity 13.7gal / 51.9L
Pressure 2900psi / 200.0bar
Rear valves 1 to 3
Mid valves 2 or 3 (optional)
Pump flow 21.1gpm / 79.9lpm 30gpm (optional) / 113.6lpm
SCV flow 21.1gpm / 79.9lpm

TRACTOR HITCH

Rear Type II/IIIN
Control electrohydraulic load sensing
Rear lift (at 24) 5154lbs / 2337kg 6247lbs (optional) / 2833kg
Drawbar Cat. II

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540/1000 (1.375)
Engine RPM 540@1932 / 1000@1932

JOHN DEERE 6125M TIRES

The John Deere 6125M features standard agricultural tires that provide good traction and stability, particularly with a 2WD configuration using 10.00-16 front tires and 460/85R34 rear tires. In a 4WD setup, the 380/85R24 front tires optimize maneuverability while maintaining a large rear footprint for improved soil contact, making it advantageous for diverse terrains. However, the 2WD option may face challenges on wet or slippery conditions where 4WD would enhance performance and reduce wheel slippage.

Standard tires (ag) Front: 10.00-16. Rear: 460/85R34 (2WD) Front: 380/85R24. Rear: 460/85R34 (4WD)

DIMENSIONS & TIRES

The John Deere 6125M tractor, with a wheelbase of 101.6 inches, offers stability for field operations, while its weight of 11,519 lbs provides traction, making it suitable for various agricultural tasks. The front tire size of 10.00-16 and rear tire specification of 460/85R34 (2WD) indicate compatibility for moderate terrain; however, the 2WD configuration may limit performance in adverse conditions such as muddy fields. In scenarios requiring increased traction or hilly operations, the addition of 4WD could enhance overall capability and efficiency.

Wheelbase 101.6inches / 258cm
Weight 11519lbs / 5225kg
Front tire 10.00-16
Rear tire 460/85R34 (2WD)

6125M SERIAL LOCATION

Description Serial number plate on the right side of the tractor frame, above the front axle

ELECTRICAL

Ground negative
Charging system alternator
Charging amps 90/150 (optional)
Charging volts 14
Battery volts 12


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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