diff --git a/FS25_ADSmartPickup/adFieldFleet.lua b/FS25_ADSmartPickup/adFieldFleet.lua
new file mode 100644
index 0000000..deb7e05
--- /dev/null
+++ b/FS25_ADSmartPickup/adFieldFleet.lua
@@ -0,0 +1,53 @@
+-- AD Field Fleet
+-- Markflåden som ren logik: hvilken rolle et sæt har ud fra redskabernes specs, og hvilket ledigt sæt
+-- der sendes til en mark. Kun sæt med flueben bruges; et sæt spilleren sidder i, røres aldrig.
+
+ADFieldFleet = {}
+
+-- Rækkefølge = prioritet når et køretøj har flere (læssevogn med egen pickup m.m.)
+ADFieldFleet.ROLE_SPECS = {
+    {role = "collector", spec = "spec_forageWagon"},
+    {role = "rake", spec = "spec_windrower"},
+    {role = "tedder", spec = "spec_tedder"},
+    {role = "mower", spec = "spec_mower"},
+}
+
+function ADFieldFleet.roleFromSpecs(specs)
+    for _, entry in ipairs(ADFieldFleet.ROLE_SPECS) do
+        if specs[entry.spec] then return entry.role end
+    end
+    return nil
+end
+
+-- Nærmeste brugbare sæt til rollen. Grund når intet passer: noRig (ingen med flueben og rollen),
+-- allBusy (alle optaget/i brug af spilleren), tooWide/tooNarrow (bredden, med tal fra den første).
+function ADFieldFleet.pick(candidates, role, x, z, mowWidth)
+    local best, bestDistance = nil, math.huge
+    local sawRole, widthReason, widthArgs = false, nil, nil
+    for _, candidate in ipairs(candidates) do
+        if candidate.role == role and candidate.enabled then
+            sawRole = true
+            if not candidate.busy and not candidate.controlled then
+                local ok, reason, args = ADFieldModel.checkWidth(role, candidate.width or 0, mowWidth)
+                if ok then
+                    local dx, dz = candidate.x - x, candidate.z - z
+                    local distance = dx * dx + dz * dz
+                    if distance < bestDistance then best, bestDistance = candidate, distance end
+                elseif widthReason == nil then
+                    widthReason, widthArgs = reason, args
+                end
+            end
+        end
+    end
+    if best ~= nil then return best end
+    if not sawRole then return nil, "noRig" end
+    if widthReason ~= nil then return nil, widthReason, widthArgs end
+    return nil, "allBusy"
+end
+
+function ADFieldFleet.toggle(enabledIds, id)
+    local copy = {}
+    for key, value in pairs(enabledIds or {}) do copy[key] = value end
+    copy[id] = (not copy[id]) or nil
+    return copy
+end
diff --git a/tests/test_adFieldFleet.lua b/tests/test_adFieldFleet.lua
new file mode 100644
index 0000000..4c9093b
--- /dev/null
+++ b/tests/test_adFieldFleet.lua
@@ -0,0 +1,53 @@
+-- Kør: luajit tests/test_adFieldFleet.lua   (fra repo-roden)
+dofile("FS25_ADSmartPickup/adFieldModel.lua")
+dofile("FS25_ADSmartPickup/adFieldFleet.lua")
+local F = ADFieldFleet
+local failures = 0
+local function check(name, actual, expected)
+    if actual == expected then print("OK   " .. name) else
+        failures = failures + 1
+        print(string.format("FAIL %s: forventede %s, fik %s", name, tostring(expected), tostring(actual)))
+    end
+end
+
+-- FL1: rolle ud fra redskabets spec (læssevogn vinder over andet på samme køretøj)
+check("FL1 slåmaskine", F.roleFromSpecs({spec_mower = true}), "mower")
+check("FL1 vender", F.roleFromSpecs({spec_tedder = true}), "tedder")
+check("FL1 river", F.roleFromSpecs({spec_windrower = true}), "rake")
+check("FL1 læssevogn", F.roleFromSpecs({spec_forageWagon = true, spec_mower = true}), "collector")
+check("FL1 intet", F.roleFromSpecs({spec_plow = true}), nil)
+
+local function rig(id, role, x, extra)
+    local r = {id = id, role = role, enabled = true, busy = false, controlled = false, width = 40.8, x = x, z = 0, label = id}
+    for k, v in pairs(extra or {}) do r[k] = v end
+    return r
+end
+
+-- FL2: nærmeste ledige med flueben og rigtig rolle
+local picked = F.pick({rig("far", "mower", 500), rig("near", "mower", 50), rig("wagon", "collector", 10)}, "mower", 0, 0, nil)
+check("FL2 nærmeste slåmaskine", picked.id, "near")
+
+-- FL3: uden flueben / optaget / spiller i sædet springes over
+local _, why = F.pick({rig("a", "mower", 1, {enabled = false})}, "mower", 0, 0)
+check("FL3 intet med flueben", why, "noRig")
+local _, whyBusy = F.pick({rig("a", "mower", 1, {busy = true}), rig("b", "mower", 2, {controlled = true})}, "mower", 0, 0)
+check("FL3 alle optaget", whyBusy, "allBusy")
+check("FL3 ingen med rollen", select(2, F.pick({rig("a", "tedder", 1)}, "mower", 0, 0)), "noRig")
+
+-- FL4: læssevogn smallere end slåbredden springes over, bredere vælges
+local wide = F.pick({rig("smal", "collector", 1, {width = 20}), rig("bred", "collector", 900, {width = 40.8})}, "collector", 0, 0, 40.8)
+check("FL4 bred valgt selv om længere væk", wide.id, "bred")
+-- FL5: kun for smalle -> grund tooNarrow med tal
+local none, whyNarrow, args = F.pick({rig("smal", "collector", 1, {width = 20})}, "collector", 0, 0, 40.8)
+check("FL5 ingen", none, nil); check("FL5 grund", whyNarrow, "tooNarrow"); check("FL5 bredde", args[1], 20)
+-- FL6: over 50 m -> tooWide
+check("FL6 for bred", select(2, F.pick({rig("x", "mower", 1, {width = 60})}, "mower", 0, 0)), "tooWide")
+
+-- FL7: toggle giver ny tabel
+local enabled = {a = true}
+local toggled = F.toggle(enabled, "b")
+check("FL7 b til", toggled.b, true); check("FL7 original urørt", enabled.b, nil)
+check("FL7 a fra", F.toggle(toggled, "a").a, nil)
+
+print(failures == 0 and "\nALLE TESTS OK" or ("\n" .. failures .. " FEJL"))
+os.exit(failures == 0 and 0 or 1)