Common Abbreviations/Acronym's Used in the Tractor World
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Thread: Common Abbreviations/Acronym's Used in the Tractor World

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    Common Abbreviations/Acronym's Used in the Tractor World

    Here is a list of very common abbreviations/acronym's you will see often posted here on GreenTractorTalk in reference to tractors, implements and hydraulics. I am sure there are more that I did not think of, so please PM me any additions you may have and I will update the list.


    General Tractor Related
    3PH = Three Point Hitch
    4WD = 4 wheel Drive
    AC = Air Conditioning
    ALT = Alternator
    AWS = All Wheel Steer
    BB = Ballast Box or Box Blade
    BH = Backhoe or Brushhog
    CAB = Factory Cab Equipped
    CARB = California Air Resources Board
    CUT = Compact Utility Tractor
    EROPS = Enclosed Roll Over Protection Structure
    FEL = Front End Loader
    FOPS = Falling Object Protection Structure
    FSM = Factory Service Manual
    GEN = Generator
    ISO = International Standards Organization
    JDQA = John Deere Quick Attach
    LR = Landscape Rake
    MFWD = Mechanical Front Wheel Drive
    MMM = Mid Mount Mower
    MOD = Mulch On Demand
    MSDS = Material Saftey Data Sheet
    NSL = Non-Self Leveling (Loader)
    OS = Open Station (not equipped with a cab)
    OM = Operator's Manual
    PC = Parts Catalog
    PHD = Post Hole Digger
    PS = Power Steering
    PTO = Power Take Off
    QA = Quick Attach
    QH = Quick Hitch
    RB = Rear Blade
    RC = Rotary Cutter
    RFM = Rear Finish Mower
    RIO = Reverse Implement Operation
    ROD = Rate Of Drop Valve, used to control the lowering speed of the 3PH
    ROPS = Roll Over Protection Structure
    SCUT = Sub-Compact Utility Tractor
    SL = Self Leveling (Loader)
    SM = Service Manual
    SSL = Skid Steer Loader, AKA "Bobcat"
    SSQA = Skid Steer Quick Attach
    TDCM = Time Delay Control Module
    TLB=Tractor-Loader-Backhoe
    TnT = Top and Tilt (for 3-point equipment)
    TM = Technical Manual
    TPH = Three Point Hitch
    TSB = Technical Service Bulletin
    WW = Wheel Weights
    ZTR = Zero Turn Radius Mower


    Hydraulic Related
    BSPP = British Standard Pipe Parallel
    CC = Closed Center
    CRV = Cross-over Relief Valve/Cushion Valve
    DA = Double or Dual Acting
    DSCV = Dual Selective Control Valve
    EHV = Electric over Hydraulic Valve
    GPM = Gallons Per Minute
    JIC = Joint Industry Conference Standard (hydraulic fitting)
    NPT = National Pipe Thread (hydraulic fitting)
    OC = Open Center
    ORB = O-ring Boss (hydraulic fitting)
    ORFS = O-ring Face Seal (hydraulic fitting)
    PB = Power Beyond (Sometimes also BYD)
    PRV = Pressure Relief Valve
    PSI = Pounds per Square Inch
    QC = Quick Coupling (or maybe Quick Connect) (Hydraulic Hose)
    QD = Quick Disconnect (Hydraulic Hose
    SCV = Selective Control Valve
    SA = Single Acting
    Last edited by Kennyd; 05-10-2012 at 04:14 PM. Reason: Added a few more
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    Kenny

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    Tech Guy's Avatar
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    May I add one more.

    TGDKA = Tech Guy Don't know anything
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