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The Efficiency Workbench Upgrade gives a 10% chance of a free extra copy on batches of two or more.
Crates, barrels and NPCs that drop the Efficiency Workbench Upgrade, most likely first
| From | Chance | Amount |
|---|---|---|
 Underwater Lab Military Crate | 1.7% | 1 |
 Military Crate | 1.7% | 1 |
Chance is for one container opened or one NPC killed. Amount is how many it holds when it holds any.
What the Efficiency Workbench Upgrade gives back in each recycler
| Recycler | Efficiency | You get |
|---|---|---|
| Red recycler | 75% | 2 + 25%  Gears |
| Green recycler (powered) | 60% | 1 + 80% Gears |
| Green recycler | 50% | 1 + 50% Gears |
| Yellow recycler | 40% | 1 + 20% Gears |
The Efficiency Workbench Upgrade breaks down into Gears.
A recycler takes one at a time.
Figures are for one item in perfect condition. Each recycler’s name opens its full table at this item. “2 + 25%” means 2 every time and a 25% chance of one more.
In Rust, Efficiency Workbench Upgrade is a workbench upgrade in the Components category (item ID #1215602244, console shortname workbench.upgrade.efficiency). In active play, it follows standard server rules for workbench upgrade gear across procedural maps. Inventory storage holds a single unit per slot, and uncollected ground drops despawn after 40 minutes.
10% chance to produce a free bonus item when crafting in batches. Ineffective when crafting explosive and raid related items.
In Rust, Efficiency Workbench Upgrade has no player crafting recipe; acquisition relies on 2 world loot tables read from the Rust game files. Shredding a spare copy at a green recycler recovers base materials at fifty percent yield (vs forty percent at safe-zone yellow units). Equipped and stored units carry no durability wear bar.
When comparing Efficiency Workbench Upgrade against related components in Rust, prioritize farming its highest-probability monument containers or recycling surplus components at an unpowered radtown green recycler (fifty percent base yield, versus forty percent at safe-zone yellow units) because this item cannot be crafted at a player workbench.
| Item | Category | Stack Limit | Craft / Source | Tech Tree / Research | Green Recycler Yield |
|---|---|---|---|---|---|
| Efficiency Workbench Upgrade | Components | 1 per slot | World loot / gather | No blueprint | Not recyclable |
| Reinforced Workbench Upgrade | Components | 1 per slot | World loot / gather | No blueprint | Not recyclable |
| Salvage Workbench Upgrade | Components | 1 per slot | World loot / gather | No blueprint | Not recyclable |
| Range Workbench Upgrade | Components | 1 per slot | World loot / gather | No blueprint | Not recyclable |
Compare Efficiency Workbench Upgrade with closely related workbench upgrade sheets in the Rust item catalog:
To compare Efficiency Workbench Upgrade against every item in its inventory category, browse All 63 items in Components.
The Efficiency Workbench Upgrade gives a 10% chance of a free extra copy on batches of two or more in Rust. It belongs to the Components category under numeric ID 1215602244 across 63 components, stacking up to 1 unit per inventory or container slot.
The Efficiency Workbench Upgrade drops from 2 container and NPC loot tables in Rust, led by Underwater Lab Military Crate (1.7% chance) and Military Crate (1.7% chance). Each listed probability reflects a single container opened or NPC killed, and found copies can be repaired or researched at base.
The Efficiency Workbench Upgrade recycles in Rust at an unpowered green recycler into 1 Gears plus a 50% chance of one more. Monument green recyclers shred items one unit at a time on fast radtown cycles, whereas safe-zone yellow units trade lower material recovery for peacekeeper protection.
Dropped on the ground in Rust, the Efficiency Workbench Upgrade despawns after 40 minutes by default. Picking it back up into a player inventory or storing it inside a base container immediately resets that ground despawn timer, which the server scales by item rarity tier.
The Efficiency Workbench Upgrade has 32-bit signed item ID 1215602244 and shortname workbench.upgrade.efficiency in Rust. Server plugins, custom loot tables, Vending Machine listings, and automated Industrial Conveyor filter strings reference these two identifiers under the Components category (stack limit 1 unit per slot).
Server administrators in Rust spawn the Efficiency Workbench Upgrade in the F1 developer console by typing inventory.give workbench.upgrade.efficiency 1 or inventory.giveid 1215602244 1 for a single unit. Both console spawn commands work only on dedicated or local worlds where your Steam account holds administrator or moderator privileges.