Blu-Jet Parts

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Find Blu-Jet replacement parts for 3120, 4120, 5120 and 6120 NH3 applicators and AT3015 liquid applicators. Browse coulter and knife components, hitch and frame parts, hubs, hydraulic components, valves, fittings and electrical components.

Blu-Jet Parts and Manuals

Search by manufacturer part number or component name. The linked diagrams identify model, serial range and the specific assemblies shown. The NH3 books cover serial A71420100 and higher; the AT3015 book covers D66640100 and higher.

Manual revisions range from November 2022 for the AT3015 to August 2025 for the 3120. This catalog covers the verified entries from those manuals.

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Parts books

  • 5120 NH3 applicator

    5120 NH3 applicator — serial A71420100 and higher; configurations shown in the February 2025 manual

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  • 6120 NH3 applicator

    6120 NH3 applicator — serial A71420100 and higher; configurations shown in the December 2024 manual

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  • 3120 NH3 applicator

    3120 NH3 applicator — serial A71420100 and higher; configurations shown in the August 2025 manual

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  • 4120 NH3 applicator

    4120 NH3 applicator — serial A71420100 and higher; configurations shown in the May 2025 manual

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  • AT3015 liquid applicator

    AT3015 liquid applicator — serial D66640100 and higher; configurations shown in the November 2022 manual

    View PDF
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