Engine

The engine is a John Deere PowerTech PVX variable geometry turbocharger with intercooler diesel 4-cylinder liquid-cooled. It has a displacement of 276ci / 4.5L and a bore/stroke of 4.19x5.00inches / 106x 127mm. The emission is Interim Tier IV and the emission control is cooled exhaust gas recirculation. The rated power (ec_97/98) is 125hp / 93.2kW and the maximum power (ec_97/68) is 130hp / 96.9kW. The fuel system is high pressure common rail and the compression is 16.1:1. The engine has a rated rpm of 2100 and a torque of 415lb-ft / 562.7Nm at 1600 rpm. The starter is electric with 12 volts and the oil capacity is 16.9qts / 16.0L while the coolant capacity is 23.3qts / 22.1L.


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Transmission

The transmission information is not specified in the data provided.

Brakes

The brakes are hydraulic wet disc brakes with two- or four-wheel drive. The tractor has a two-post foldable ROPS and a cab is optional with air-conditioning. Green Star (optional) and AutoTrac (optional) are also available. The differential lock is electro-hydraulic rear limit-slip front (4WD) and the steering is hydrostatic power.



Steering

The steering is John Deere 4.5L 4-cylinder diesel.


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Common Problems

Users have reported issues with the hydraulic system, particularly with leaks and failures. Some users have also reported problems with the transmission, including difficulty shifting gears and slipping. Another common issue is with the electrical system, with some users experiencing problems with the battery and alternator. Additionally, some users have reported issues with the fuel system, including clogged filters and fuel pump failures. Finally, some users have reported problems with the brakes, including reduced stopping power and uneven wear.

What Users Like

Users appreciate the John Deere 6125M's powerful engine and smooth operation. The tractor is also praised for its comfortable cab and easy-to-use controls. Many users appreciate the tractor's versatility, with the ability to handle a wide range of tasks. Finally, users appreciate the tractor's reliability and durability, with many reporting years of trouble-free operation.

Techincal Specifications

Engine Detail

DescriptionJohn Deere PowerTech PVX variable geometry turbocharger with intercooler diesel 4-cylinder liquid-cooled
Displacement276ci / 4.5L
Bore/stroke4.19x5.00inches / 106x 127mm
EmissionInterim Tier IV
Emission Controlcooled exhaust gas recirculation
Rated Power (ec 97/98)125hp / 93.2kW
Maximum Power (ec 97/68)130hp / 96.9kW
Fuel Systemhigh pressure common rail
Compression16.1:1
Rated Rpm2100
Torque415lb-ft / 562.7Nm
Torque Rpm1600
Starterelectric
Starter Volts12
Oil Capacity16.9qts / 16.0L
Coolant Capacity23.3qts / 22.1L

Engine

DescriptionJohn Deere 4.5L 4-cyl diesel

Mechanical

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

Tires

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

Dimensions And Tires

Wheelbase101.6inches / 258cm
Weight11519lbs / 5225kg
Front Tire10.00-16
Rear Tire460/85R34 (2WD)

Capacity

Fuel58gal / 219.5L
Hydraulic System13.7gal / 51.9L

Hydraulics

Typeopen center pressure compensated/closed center load sensing pressure and flow compensated (optional)
Capacity13.7gal / 51.9L
Pressure2900psi / 200.0bar
Rear Valves1 to 3
Mid Valves2 or 3 (optional)
Pump Flow21.1gpm / 79.9lpm 30gpm (optional) / 113.6lpm
Scv Flow21.1gpm / 79.9lpm

Tractor Hitch

Rear TypeII/IIIN
Controlelectrohydraulic load sensing
Rear Lift (at 24)5154lbs / 2337kg 6247lbs (optional) / 2833kg
DrawbarCat. II

Electrical

Groundnegative
Charging Systemalternator
Charging Amps90/150 (optional)
Charging Volts14
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000 (1.375)
Engine Rpm540@1932 / 1000@1932

Transmissions

Description12-speed fully synchronized 16-speed partial power shift 24-speed partial power shift

Serial Location

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