The 5015 series manufactured by Carraro replaced the preceding 5010 series models in 2003. Its appearance resembled the larger JD series better than before. There were now four models instead of three. The engines were JD's own production. The 5315’s engine was now turbocharged, and the 5415 had a naturally aspirated 4-cylinder engine, unlike the predecessor's 3-cylinder. The transmission made by Carraro was now fully synchronized with 24+24 gears. For an additional price, the shuttle shift was hydraulic, and the 2-speed quick shift was electro-hydraulic. A power lift was also available as an optional accessory. The wheelbase was shorter than before.

The cab was clearly more advanced than before, and the noise level was reported at 78 dB. There was a noticeable rise in the floor’s central section inside the cab, which limited the height to only 240 cm. The battery was placed under the cab, behind the running board, which allowed for a slightly larger fuel tank than earlier. The lifting capacity of 2400/2600 kilograms was still rather modest. Unlike the larger JD series, the hydraulic system was open. Another structural difference was that the engine functioned as part of the load-bearing structure.

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