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JLG · Compact crawler booms

JLG X770AJ manuals

Compact tracked articulating boom with jib, 77 ft class. This page lists 10 official PDF manuals (operator, service, parts, schematics), by edition and serial number.

All manuals (10)Request JLG parts
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Operation & safety manual JLG X770AJ1

  • X770AJ Operation & Safety ManualLatest

    Publication no.
    3121703
    Applies to
    Pre-PVC edition (serial range not stated)
    Edition
    2023-02
    Open PDF

Service & maintenance manual JLG X770AJ2

  • X17JP, X20JP, X26JP, X500AJ, X600AJ, X770AJ Service & Maintenance ManualLatest

    Publication no.
    3121623
    Applies to
    S/N up to C170001399
    Edition
    2023-12
    Open PDF

  • X26JP, X770AJ Service & Maintenance Manual

    Publication no.
    31215525
    Applies to
    S/N C170001399 to Present
    Edition
    2023-12
    Open PDF

Illustrated parts manual JLG X770AJ3

  • X26JP, X770AJ Illustrated Parts Manual (GEN 3 (X26JP),GEN 3 (X770AJ))Latest

    Publication no.
    3121747
    Applies to
    Pre-PVC edition (serial range not stated)
    Edition
    2019-10
    Open PDF

  • X26JP, X770AJ Illustrated Parts Manual

    Publication no.
    31217113
    Applies to
    S/N C170001399 to Present
    Edition
    2023-05
    Open PDF

  • X26JP, X770AJ Illustrated Parts Manual

    Publication no.
    31217112
    Applies to
    S/N C170000001-C170001338
    Edition
    2022-03
    Open PDF

Electrical and hydraulic schematics JLG X770AJ4

  • X26JP, X770AJ Electrical SchematicLatest

    Publication no.
    3122432700
    Applies to
    S/N C170001399 to Present
    Edition
    2025-08
    Open PDF

  • X26JP, X770AJ Electrical Schematic

    Publication no.
    3122432600
    Applies to
    S/N C170000944-C170001398
    Edition
    2025-08
    Open PDF

  • X26JP, X770AJ Electrical Schematic

    Publication no.
    3122432500
    Applies to
    S/N Prior to C170000944
    Edition
    2025-08
    Open PDF

  • X26JP, X770AJ Hydraulic Schematic

    Publication no.
    3122425700
    Applies to
    Pre-PVC edition (serial range not stated)
    Edition
    2025-06
    Open PDF

Pick the edition by the machine’s serial number (on the identification plate). “PVC” editions cover the latest production variants (year and month).

Official JLG documents, hosted on the manufacturer’s servers. They open in a new tab.

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