diff --git a/FS25_ADSmartPickup/adPool.lua b/FS25_ADSmartPickup/adPool.lua
new file mode 100644
index 0000000..3aae9b9
--- /dev/null
+++ b/FS25_ADSmartPickup/adPool.lua
@@ -0,0 +1,135 @@
+-- AD Pool
+-- Maskinpulje: plove, kultivatorer, såmaskiner … holder frakoblet på deres AD-parkering "X", og en ledig
+-- solo-traktor henter dem via markøren "Connect X", når markarbejdet mangler en færdig kombination.
+-- Ren logik øverst (testes med luajit), spil-adapter nederst.
+
+ADPool = {}
+ADPool.LOG_PREFIX = "ADSmartPickup: pulje: "
+ADPool.QUARANTINE_MS = 600000 -- redskab der ikke kunne kobles på, springes over så længe
+
+-- ---- ren logik ----
+
+-- Rolle for et frakoblet redskab ud fra dets egne specs (samme prioritet som markflåden); en ren vogn med
+-- tip/snegl er tømmevogn.
+function ADPool.roleOf(specs)
+    local role = ADFieldFleet.roleFromSpecs(specs)
+    if role ~= nil and role ~= "unloader" then return role end
+    if specs.spec_trailer and specs.spec_dischargeable then return "unloader" end
+    return role
+end
+
+-- Butiksdata er enten et tal eller en tabel pr. konfiguration: største tal, ellers nil.
+function ADPool.numberOf(value)
+    if type(value) == "number" then return value end
+    if type(value) ~= "table" then return nil end
+    local best = nil
+    for _, entry in pairs(value) do
+        if type(entry) == "number" and (best == nil or entry > best) then best = entry end
+    end
+    return best
+end
+
+-- Mangler et af tallene, tillades det (intet må gå i stå på manglende data).
+function ADPool.powerOk(tractorHp, neededHp)
+    if tractorHp == nil or neededHp == nil or tractorHp <= 0 or neededHp <= 0 then return true end
+    return tractorHp >= neededHp
+end
+
+-- Markøren "Connect <parkering>" for en parkering (navneregel).
+function ADPool.connectFor(parkName, markers)
+    if type(parkName) ~= "string" then return nil end
+    local wanted = parkName:lower()
+    for _, marker in pairs(markers or {}) do
+        local action, target = ADHitch.parseMarker(marker.name)
+        if action == "attach" and target ~= nil and target:lower() == wanted then return marker end
+    end
+    return nil
+end
+
+local function hasRole(item, role)
+    return item.role == role or (item.roles ~= nil and item.roles[role] == true)
+end
+
+local function distanceSq(ax, az, bx, bz)
+    return (ax - bx) ^ 2 + (az - bz) ^ 2
+end
+
+local function nearest(items, x, z, keep)
+    local best, bestDistance = nil, math.huge
+    for _, item in ipairs(items) do
+        if keep(item) then
+            local distance = distanceSq(item.x, item.z, x, z)
+            if distance < bestDistance then best, bestDistance = item, distance end
+        end
+    end
+    return best
+end
+
+-- Redskab med rollen nærmest marken, derefter nærmeste ledige traktor med nok hk til redskabet.
+-- blocked = {[id] = true} (reserverede og redskaber i karantæne). accept (valgfri): implement -> bool.
+function ADPool.pairFor(role, fieldX, fieldZ, implements, tractors, blocked, accept)
+    blocked = blocked or {}
+    local free = {}
+    for _, tractor in ipairs(tractors or {}) do
+        if not blocked[tractor.id] then table.insert(free, tractor) end
+    end
+    local candidates = {}
+    for _, implement in ipairs(implements or {}) do
+        if hasRole(implement, role) and not blocked[implement.id] and (accept == nil or accept(implement)) then
+            table.insert(candidates, implement)
+        end
+    end
+    if #candidates == 0 then return nil, "noPoolImplement" end
+    if #free == 0 then return nil, "noPoolTractor" end
+    table.sort(candidates, function(a, b)
+        return distanceSq(a.x, a.z, fieldX, fieldZ) < distanceSq(b.x, b.z, fieldX, fieldZ)
+    end)
+    local weakest = nil
+    for _, implement in ipairs(candidates) do
+        local tractor = nearest(free, implement.x, implement.z, function(t) return ADPool.powerOk(t.hp, implement.neededHp) end)
+        if tractor ~= nil then return {implement = implement, tractor = tractor} end
+        if weakest == nil or (implement.neededHp or 0) < weakest then weakest = implement.neededHp end
+    end
+    return nil, "tooWeak", {weakest or 0}
+end
+
+-- Ventende marker først (længst ventende først, lige -> lavest id); resten bagefter i oprindelig rækkefølge.
+function ADPool.queueOrder(infos, waitingSince)
+    local waiting, rest = {}, {}
+    for _, info in ipairs(infos or {}) do
+        if waitingSince ~= nil and waitingSince[info.id] ~= nil then table.insert(waiting, info) else table.insert(rest, info) end
+    end
+    table.sort(waiting, function(a, b)
+        local wa, wb = waitingSince[a.id], waitingSince[b.id]
+        if wa ~= wb then return wa < wb end
+        return a.id < b.id
+    end)
+    for _, info in ipairs(rest) do table.insert(waiting, info) end
+    return waiting
+end
+
+-- Reservationer (i hukommelsen): owner -> {id, ...}. Karantæne: id -> udløbstid.
+local reservations, quarantined = {}, {}
+
+function ADPool.reserve(owner, ids)
+    reservations[owner] = ids
+end
+
+function ADPool.release(owner)
+    reservations[owner] = nil
+end
+
+function ADPool.quarantine(id, nowMs)
+    quarantined[id] = nowMs + ADPool.QUARANTINE_MS
+end
+
+function ADPool.blocked(nowMs)
+    local result = {}
+    for _, ids in pairs(reservations) do
+        for _, id in ipairs(ids) do result[id] = true end
+    end
+    for id, untilMs in pairs(quarantined) do
+        if nowMs < untilMs then result[id] = true end
+    end
+    return result
+end
diff --git a/tests/test_adPool.lua b/tests/test_adPool.lua
new file mode 100644
index 0000000..b705ece
--- /dev/null
+++ b/tests/test_adPool.lua
@@ -0,0 +1,76 @@
+-- Kør: luajit tests/test_adPool.lua   (fra repo-roden)
+dofile("FS25_ADSmartPickup/adFieldFleet.lua")
+dofile("FS25_ADSmartPickup/adHitch.lua")
+dofile("FS25_ADSmartPickup/adPool.lua")
+local P = ADPool
+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
+-- rolle ud fra redskabets egne specs
+check("rolle: plov", P.roleOf({spec_plow = true}), "plow")
+check("rolle: kultivator", P.roleOf({spec_cultivator = true}), "cultivator")
+check("rolle: vogn med tip", P.roleOf({spec_trailer = true, spec_dischargeable = true}), "unloader")
+check("rolle: vogn der også er læssevogn er læssevogn", P.roleOf({spec_trailer = true, spec_dischargeable = true, spec_forageWagon = true}), "collector")
+check("rolle: intet", P.roleOf({}), nil)
+-- hk fra butiksdata: tal eller tabel (konfigurationer)
+check("tal", P.numberOf(180), 180)
+check("tabel: største", P.numberOf({base = 120, config = 150}), 150)
+check("tom tabel", P.numberOf({}), nil)
+check("nil", P.numberOf(nil), nil)
+check("hk: nok", P.powerOk(200, 180), true)
+check("hk: for lidt", P.powerOk(150, 180), false)
+check("hk: redskab uden data", P.powerOk(150, nil), true)
+check("hk: traktor uden data", P.powerOk(nil, 180), true)
+-- Connect-markør til en parkering
+local markers = {{name = "Start", id = 1}, {name = "Bredal", id = 4}, {name = "Connect Bredal", id = 9}, {name = "connect plov 1", id = 12}}
+check("connect: Bredal", P.connectFor("Bredal", markers).id, 9)
+check("connect: små bogstaver", P.connectFor("Plov 1", markers).id, 12)
+check("connect: ingen", P.connectFor("Start", markers), nil)
+check("connect: uden parkering", P.connectFor(nil, markers), nil)
+-- parring: redskab nærmest marken, så traktor nærmest redskabet
+local implements = {
+    {id = "plovFar", name = "Plov far", role = "plow", x = 500, z = 0, connectId = 20, parkId = 21},
+    {id = "plovNear", name = "Plov nær", role = "plow", x = 100, z = 0, neededHp = 180, connectId = 30, parkId = 31},
+    {id = "kult", name = "Kultivator", role = "cultivator", x = 0, z = 0, connectId = 40, parkId = 41},
+}
+local tractors = {
+    {id = "small", name = "Lille", x = 110, z = 0, hp = 120, parkId = 2},
+    {id = "big", name = "Stor", x = 300, z = 0, hp = 250, parkId = 3},
+    {id = "mid", name = "Mellem", x = 150, z = 0, hp = 190, parkId = 5},
+}
+local pair = P.pairFor("plow", 0, 0, implements, tractors, {})
+check("par: nærmeste plov til marken", pair.implement.id, "plovNear")
+check("par: nærmeste stærke traktor til ploven", pair.tractor.id, "mid")
+local blockedPair = P.pairFor("plow", 0, 0, implements, tractors, {plovNear = true})
+check("par: reserveret plov springes over", blockedPair.implement.id, "plovFar")
+check("par: plov uden hk-krav tager nærmeste traktor", blockedPair.tractor.id, "big")
+local none, why = P.pairFor("seeder", 0, 0, implements, tractors, {})
+check("par: ingen såmaskine", none, nil); check("par: grund", why, "noPoolImplement")
+local weak, weakWhy, weakArgs = P.pairFor("plow", 0, 0, {implements[2]}, {tractors[1]}, {})
+check("par: for svag", weak, nil); check("par: grund tooWeak", weakWhy, "tooWeak"); check("par: hk i args", weakArgs[1], 180)
+local noTractor, noTractorWhy = P.pairFor("plow", 0, 0, implements, {}, {})
+check("par: ingen traktor", noTractor, nil); check("par: grund noPoolTractor", noTractorWhy, "noPoolTractor")
+local rejected, rejectedWhy = P.pairFor("plow", 0, 0, implements, tractors, {}, function() return false end)
+check("par: accept afviser alle", rejected, nil); check("par: grund", rejectedWhy, "noPoolImplement")
+local multi = P.pairFor("fertilizer", 0, 0, {{id = "spreder", role = "fertilizer", roles = {fertilizer = true, liming = true}, x = 0, z = 0}}, tractors, {})
+check("par: redskab med flere roller", multi.implement.id, "spreder")
+-- reservationer og karantæne
+P.reserve("F12", {"plovNear", "mid"})
+check("reserveret: redskab", P.blocked(0).plovNear, true)
+check("reserveret: traktor", P.blocked(0).mid, true)
+P.release("F12")
+check("frigivet", P.blocked(0).plovNear, nil)
+P.quarantine("plovNear", 1000)
+check("karantæne: aktiv", P.blocked(1000 + P.QUARANTINE_MS - 1).plovNear, true)
+check("karantæne: udløbet", P.blocked(1000 + P.QUARANTINE_MS).plovNear, nil)
+-- kø: længst ventende først, lige -> lavest mark-id, ikke-ventende bagerst i oprindelig rækkefølge
+local infos = {{id = 5}, {id = 3}, {id = 9}, {id = 1}}
+local ordered = P.queueOrder(infos, {[9] = 100, [3] = 50, [1] = 50})
+check("kø: 1.", ordered[1].id, 1); check("kø: 2.", ordered[2].id, 3); check("kø: 3.", ordered[3].id, 9); check("kø: 4.", ordered[4].id, 5)
+check("kø: rører ikke input", infos[1].id, 5)
+print(failures == 0 and "\nALLE TESTS OK" or ("\n" .. failures .. " FEJL"))
+os.exit(failures == 0 and 0 or 1)