Used Tractor & Combine Harvester Electronic Control Units

Used Tractor Parts: Electronics at the Heart of Modern Machines

In modern tractors, the electronic control unit manages the engine, transmission, and hydraulic functions. A faulty ECU can prevent starting or force the tractor into limp mode, often at the worst time during the season.

Selecting a used tractor part for such a component requires precise identification: each ECU carries a specific manufacturer reference, linked to a model and sometimes to a serial number. With 80 years of experience in agricultural machinery, TMC Bejenne and its technicians identify the exact reference suited to your equipment.

Refurbished used parts offer savings of 30 to 70% compared to new, with a tested component rather than an original ECU often subject to long lead times.

Electronic Components Available at TMC Bejenne

• Engine and transmission control units, tested on benches before being catalogued.
• Used electronic boards, checked for regulation and display functions.
• Sensors and switches that transmit information to the ECU.
• Wiring harnesses whose condition is critical for the reliability of the onboard system.
• Dashboards and control screens to restore on-board display and diagnostics.

Agricultural Tractor Dismantling: Deconstruction Serving Used Parts

Behind the common term 'tractor dismantling' lies a true methodical deconstruction process. Each end-of-life machine is dismantled piece by piece, with electronic components carefully removed to preserve connectors and wiring.

On our 11-hectare site in Naintré, recovered control units are identified, tested, and stored protected from humidity, a critical factor for electronic parts. This approach to second-life avoids discarding fully functional components.

Workshop testing remains systematic: a control unit is only catalogued after verification of inputs, outputs, and communications, ensuring verifiable reliability upon order.

PTO Control Unit and Function Management

• The PTO control unit manages the electronic engagement of the power take-off, directly linked to the main ECU.
• Failure of this unit results in failure to engage or unexpected disengagements under load.
• Associated speed sensors send rotation speed data back to the control electronics.
• Precise diagnostics prevent unnecessary replacement of the entire ECU when only the PTO module is faulty.
• Our technicians identify the actual faulty component before ordering to ensure selection of the correct part.

Brand Compatibility: John Deere, Case IH, and New Holland

Each manufacturer develops its own electronic architecture, with specific control units and protocols. For example, John Deere parts for series 6000 and 7000 do not share control units or wiring with competitor models.

For Case IH and New Holland, the technical proximity within the group makes some electronic components interchangeable between equivalent ranges—a detail our technicians master precisely.

This multi-brand expertise secures every order: the manufacturer reference remains the key criterion to verify before purchasing a used electronic control unit, regardless of tractor color.

Agricultural Tractor Parts Store: TMC Bejenne Expertise at Your Service

• Over 25,000 references across an 11-hectare site, with regular supply of electronic parts for all brands.
• Technicians who assist you in identifying the compatible control unit for your equipment.
• Control units, electronic boards and wiring harnesses always available in our warehouses.
• Phone diagnostics with our advisors to guide your selection before ordering.
• Immediate availability designed to minimize downtime during peak season.