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Underwater Lab Fuel CrateUnderwater Lab Fuel Crate drops 2 possible items in Rust across Arctic Research Base, Underwater Lab D, Underwater Lab A.
Chance is for one container opened or one body looted: the chance the item is inside. Amount is how many when it is there.
| Item | Chance | Amount |
|---|---|---|
Crude Oil
| Every time | 30 to 38 |
Low Grade Fuel
| Every time | 10 to 18 |
Counts are for a monument with every spawn point filled. A spawner that holds one kind of crate gives an exact number; a mixed one picks a crate each time it spawns, so the count is an average and the last column gives its ceiling.
| Where | Count | Respawn |
|---|---|---|
| Arctic Research Base | 4 | |
| Underwater Lab D | 2 | 15 to 30 min |
| Underwater Lab A | 1 | 15 to 30 min |
| Underwater Lab B | 1 | 15 to 30 min |
| Underwater Lab C | 1 | 15 to 30 min |
| Where | Each one holds | Layouts with it |
|---|---|---|
| Underwater Lab rooms | 1 to 2 | 5 of 52 |
| Abandoned Military Base buildings | 1 | 2 of 25 |
Across procedural Rust server maps, Underwater Lab Fuel Crate is a world loot prefab featuring 6 inventory slots (175 breakable durability) that draws from 2 possible item entries across 7 monument and world spawner groups. Every drop row in the reference table above is compiled directly from the game's internal loot trees at build time to reflect vanilla survival rates.
In addition to per-item drop probabilities, stack size bounds, and spawn durability ranges, the Underwater Lab Fuel Crate sheet tracks expected container populations across every monument layout on the island. Solo players and clans can compare guaranteed Scrap and component returns per container open and plan monument routes around yellow, green, or red recyclers across the wipe.
Opening Underwater Lab Fuel Crate in Rust reveals 6 inventory slots drawn from 2 possible loot items across its weighted drop table, with per-open odds, stack bounds, and durability ranges listed above.
Underwater Lab Fuel Crate (175 HP) spawns most heavily at Arctic Research Base (4), Underwater Lab D (2), Underwater Lab A (1) on procedural maps, with expected full-monument counts and minimum-to-maximum respawn timers recorded for every spawner group across the island.
Underwater Lab Fuel Crate does not grant a fixed guaranteed Scrap stack on open, supplying Scrap either as a rolled item among its 2 possible drops or by recycling the components it contains.
Underwater Lab Fuel Crate carries 175 breakable hitpoints and must be smashed with melee weapons, tools, or projectiles before its 6 loot slots and any rolled Scrap spill onto the ground.
Monument spawners for Underwater Lab Fuel Crate run on preset minimum and maximum respawn timers (typically 15 to 60 minutes), and those timers tick down faster whenever more active players are connected to the server.
Each item percentage in the Underwater Lab Fuel Crate loot table shows the exact chance of receiving at least one stack of that item from a single open, calculated across all weighted sub-tables in the game files.
Firearms, tools, or armor pieces in the Underwater Lab Fuel Crate table that roll with partial condition show their exact durability percentage span next to their drop odds, whereas resources, Scrap, and components spawn intact.