Used complete John Deere front axle at the best price

How does a tractor's front axle work?

The front axle of a John Deere tractor is the mechanical assembly that drives the front wheels while allowing them to steer. It consists of a central housing (known as the cradle or front beam), a bevel gear that redirects torque transmitted from the drive shaft by 90° to the wheels, two wheel reducers located at each end (which reduce rotational speed and increase torque at the rims), and two pivots that allow each spindle to turn for steering. The steering rods connect the steering cylinder to the spindles, transmitting the steering angle commanded by the steering wheel. On John Deere tractors with permanent front-wheel drive, the axle is powered by the gearbox via a drive shaft with a CV joint or universal joint, which absorbs vertical axle movements during suspension travel. The quality of the seals (central housing seal, pivot seals, wheel reducer seals) determines the assembly's tightness and the lifespan of the drive shafts and internal gears.

Used complete John Deere front axles available at TMC Bejenne

Tractors:

• Older series: 2140, 2850 — models still in service on many farms
• 5000 series: 5100 R, 5500 N, 5720
• 6000 M series: 6110 M, 6120 M, 6140 M, 6140 R, 6155 R — front axles with hydraulic suspension available
• 6000 R series: 6130 R, 6250 R — front axle with ActiveCommand Suspension
• Classic 6000 series: 6210, 6220, 6310, 6400, 6420, 6610, 6620, 6810, 6830, 6910, 6920 S
• 7000 series: 7280 R, 7600

Combine harvesters:

• 1000 / 2000 series: 1166, 1177, 1188, 2054, 2064, 2066, 2264
• 9000 and CTS series: CTS, 9640 WTS, 9780 CTS, 9880 STS, 965
• S and T series: S560, S660, T550, T560, T660

A permanent stock of 25,000 references is held at Naintré, with shipment across France and internationally. Contact 05 86 24 00 26 with your machine's exact model and serial number.

John Deere hydraulic front axle and suspended front axle: what's the difference?

On John Deere tractors, the front axle comes in three configurations depending on the generation and model range. The rigid front axle (2000 series, early 6000 series) is directly mounted to the chassis by a central pivot allowing only lateral tilting. It provides no vertical damping and directly transmits terrain shocks to the cab. The hydraulic front axle (semi-suspended or hydraulic-damped, present on recent 6000 M series) integrates a hydraulic cylinder that cushions vertical movements via a pressure accumulator. The travel is limited but sufficient to improve comfort and traction on uneven ground. The suspended front axle (ActiveCommand Suspension on 6130 R, 6155 R, 6250 R, 7280 R) offers greater travel and active electronic damping control: an electronic unit continuously adjusts cylinder pressure based on load and terrain profile. This system includes the solenoid valve and position sensor. These three configurations are not interchangeable — ordering a used front axle requires precise knowledge of the suspension type equipped on your model.

John Deere front axle solenoid valve: function and common faults

• Function: the front axle solenoid valve controls the front axle clutch (engagement/disengagement of front-wheel drive) and, on active suspension models, regulates pressure in the damping cylinders
• Failure symptoms: the front axle remains disengaged despite cab controls, the front axle warning light turns on, traction engages and disengages unexpectedly during operation
• Diagnosis: first check the dedicated fuse and wiring before suspecting the solenoid valve itself — an ohmmeter measurement confirms if the coil is open-circuit
• Front axle seal: oil leaks at the housing seals or pivot seals often cause lubrication loss that accelerates bevel gear and bearing wear
• Pivot bushing: the pivot centering bushing wears progressively, causing lateral play noticeable on the steering wheel and uneven front tire wear
• Wheel reducer: growling noise at low speed, vibration at the rim, or seal leaks — inspect simultaneously during front axle diagnosis
• Contact 05 86 24 00 26 to identify the faulty part on your John Deere model

What oil should be used in a John Deere tractor front axle?

John Deere front axle oil is specified in the maintenance manual for each model, with significant differences depending on the generation. On the John Deere classic 6000 series tractors (6210, 6310, 6400, 6910), the front axle uses a UTTO (Universal Tractor Transmission Oil) shared with the gearbox and rear axle, compliant with John Deere specification JDM J20C or J20D. On the 6000 R and 7000 R series with suspended axle, the suspension hydraulic circuit is fed from the same circuit as the rear axle but with levels to be checked separately. The capacity of the central housing (cradle) and wheel reducers is indicated in the manual — never overlook these during replacement or recommissioning of a used front axle. Drain and rinse the housing before filling with approved new oil. Consult the model manual or call 05 86 24 00 26 for guidance on the exact specifications for your John Deere.

What is the gear reduction ratio of a John Deere tractor front axle?

The gear reduction ratio denotes the overall reduction ratio between the rotational speed of the front axle input shaft and the wheels. On John Deere tractors, this ratio combines the central bevel gear ratio and the ratio of the epicyclic wheel reducers located in each spindle. It varies by model range and tire configuration: a tractor with 38" rims does not have the same reduction as one with 30" rims. This ratio is specified in John Deere technical documentation for each axle version. A used front axle housing from the same version guarantees the same reduction ratio — a housing from a different version may alter the differential speed between axles and disrupt traction. For this reason, our technicians systematically check the source model compatibility when preparing a used front axle.