Used CASE Transmission

Transfer Case Transmission: How It Works on Case Machines

The "transfer case" is the component that distributes torque between the front and rear axles on all-wheel-drive machines, such as Case 580 backhoe loaders and wheel loaders. It is separate from the used gearbox: while the gearbox selects the gear ratio, the transfer case manages the power distribution between the axles. On Case machines, this part undergoes significant stress when working on rough terrain or under heavy loads, making it a frequently requested replacement part by construction professionals.

On Case backhoe loaders, the transfer case can be engaged manually or automatically depending on the machine generation. It allows switching between rear-wheel drive alone and all-wheel drive to adapt traction to jobsite conditions: slippery ground, loaded climbs, or muddy maneuvers. Its housing, gears, and seals are the parts most commonly replaced. Codimatra selects these components from machines brought into the workshop whose overall condition has been checked before dismantling, ensuring traceability and compatibility of the parts offered.

Transfer Case Damage and Symptoms: Signs to Watch For

• Unusual noises during rotation: clicking, grinding, or dull sounds when changing direction or under heavy load, coming from the central transmission area or front axle.
• Loss of traction on one axle: the machine pulls to one side or one of the axles seems disengaged, indicating possible breakage or severe wear in the transfer case or corresponding driveshaft.
• Difficulty engaging: all-wheel drive engages poorly or fails to respond, with jolts when shifting to front traction on the backhoe loader.
• Oil leaks around the transfer case housing: these indicate worn seals or cracks in the housing. A leaking machine should be stopped promptly to avoid fatal dry running damaging the gears.
• Vibrations transmitted to the cab when traveling on road or during work, without any identifiable cause on other components (tires, axles, steering).
• Transmission overheating: abnormal temperature rise detected in the cab or noticeable by a burnt smell, indicating internal slipping or lubrication deficiency.
• If one or more of these symptoms appear, proactive replacement of the faulty part is always preferable to waiting for a complete breakdown that immobilizes the machine on site.

Used Case 580 Transmission: Transfer Case and Components

The Case 580 backhoe loader is an iconic machine in the Case Construction range and one of the most widespread on construction sites in France. It is available in several successive versions (580G, 580K, 580SK, 580CK, 580ST, 580SN...) with transmission components that vary depending on the generation. Its transmission includes a torque converter gearbox, a used driveshaft, and an engageable front axle. The front axle driveshaft is a part subject to wear and shocks, especially on loose terrain, roadworks sites, or in confined areas requiring frequent maneuvers.

Codimatra offers transmission components from Case 580 machines selected before dismantling, with verification of geometric condition and spline integrity prior to stocking. When making your request, please specify the exact reference of your 580 version (the suffix changes dimensions and mechanical interfaces) as well as the machine's serial number. Our advisors cross-check this data with available stock to suggest the compatible reference, avoiding ordering errors.

Case Driveshaft and Front Axle: Spare Parts

• Main driveshaft: transmits torque from the gearbox to the front and rear axles. Part exposed to torsional stress and shocks on uneven terrain. Available for the main versions of Case backhoe loaders and loaders.
• Front axle driveshaft: a specific shaft connecting the transfer case to the front axle, more heavily stressed than the rear driveshaft on machines frequently using all-wheel drive.
• Universal joints: shaft end components that transmit torque despite angular movements. Wear parts regularly replaced on machines intensively used off-road.
• Splines and couplings: mechanical interfaces between the shaft and axle or gearbox gears. Each part is workshop-inspected before being stocked.
• Provide the exact model of your machine (Case 580SK, 580SN, 921E...) and serial number to identify the compatible shaft length, diameter, and type of connection.

Case Loader Transmission: Parts Available at Codimatra

Case wheel loaders (models 821, 921, 1021...) are widely used for handling and loading tasks on excavation, quarry, and recycling sites. Their transmission includes a torque converter, multi-speed gearbox, transfer case, and output shafts to the axles. These components undergo heavy duty cycles, especially during pile loading where the machine works at full load at low speed. Transmission wear accelerates on machines lacking regular gearbox oil maintenance.

Codimatra offers transmission parts from Case loaders selected in workshop: torque converters, driveshafts, and transfer case components. These parts come from machines whose overall condition was verified before dismantling, and each component is referenced with necessary compatibility information. Check our selection of used torque converters for construction machines to complete your supply.

Specific Transmission Cases: Finding the Right Reference for Your Machine

• Case 580 backhoe loader (all G, K, SK, CK, ST, SN versions): transmission dimensions vary between generations. It is essential to specify the suffix and serial number.
• Case loaders 821, 921, 1021: specific torque converter transmission by model. Machine tonnage determines the converter and driveshaft reference.
• Case CX excavators (CX130, CX160, CX210...): tracked excavators feature hydraulic drive transmissions distinct from mechanical transmissions on backhoe loaders.
• Compact backhoe loaders and loaders: Case models 570, 695, and compact series. Compatibility checks are necessary before ordering, as parts are not always interchangeable between close series.
• In case of doubt about the reference, our advisors can help identify the correct component using the chassis number or manufacturer reference on your machine's plate.

Transmission Case Replacement and Budget

The replacement cost of a Case transmission component varies depending on the part (shaft, transfer case, converter), machine model, and stock availability. Choosing a used, workshop-tested replacement part instead of a new one significantly reduces the total repair cost while maintaining performance perfectly suited for jobsite use. Replacing a used driveshaft or torque converter often represents substantial savings compared to original parts for machines whose value no longer justifies investing in new components.

The repair itself should be entrusted to a workshop equipped with all necessary tools for shimming, alignment, and checks required for this type of removal and refitting. Codimatra supplies the used replacement part, inspected and compatible with your machine, along with referencing information useful to the mechanic handling the repair. For a quote, provide our advisors with your machine model (Case 580SK, Case 921E...) and serial number: our teams verify stock availability and confirm compatibility before shipping.

Complement Your Supply of Case Parts

• Used Case Spare Parts: the entire Codimatra catalog for the Case Construction range, from transmissions to hydraulics and body parts.
• Used Case Hydraulic Valves: hydraulic valves for Case backhoe loaders and loaders, selected and tested in workshop.
• Used Case Travel Hydraulic Motors: travel motors for Case tracked excavators, directly related to the machines' transmission system.
• Used Gearboxes for Construction Equipment: gearboxes for all brands in stock, compatible with major ranges of backhoe loaders and loaders.
• Used Driveshafts: driveshafts for backhoe loaders and loaders, all brands.
• Used Torque Converters: converters for backhoe loaders and loaders from top construction brands.