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Engineering Workbench tech tree

The Engineering Workbench tech tree unlocks 96 Rust items for 2,730 total scrap, topped by Auto Turret at 555 scrap.

The tree, tile by tile

  • 15 Common
  • 30 Uncommon
  • 60 Rare
  • 120 Very rare
Switch, 15 scrap Large Solar Panel, 30 scrap Small Rechargeable Battery, 15 scrap Splitter, 15 scrap Ceiling Light, 15 scrap Root Combiner, 30 scrap Metal Detector, 30 scrap Electrical Branch, 15 scrap Timer, 15 scrap Flasher Light, 15 scrap Siren Light, 15 scrap Audio Alarm, 15 scrap Search Light, 30 scrap Pressure Pad, 15 scrap Door Controller, 30 scrap Telephone, 30 scrap Digital Clock, 30 scrap Button, 15 scrap Igniter, 15 scrap Reactive Target, 15 scrap Counter, 30 scrap HBHF Sensor, 30 scrap Seismic Sensor, 30 scrap Electric Heater, 30 scrap Laser Detector, 30 scrap Water Barrel, 15 scrap Sprinkler, 15 scrap Fluid Combiner, 15 scrap Fluid Splitter, 15 scrap Small Water Catcher, 15 scrap Modular Car Lift, 60 scrap Cockpit Vehicle Module, 60 scrap Flatbed Vehicle Module, 60 scrap Cockpit With Engine Vehicle Module, 60 scrap Large Flatbed Vehicle Module, 60 scrap Fuel Tank Vehicle Module, 60 scrap Storage Vehicle Module, 60 scrap Rear Seats Vehicle Module, 60 scrap Low Quality Carburetor, 15 scrap Passenger Vehicle Module, 60 scrap Medium Quality Carburetor, 15 scrap Taxi Vehicle Module, 60 scrap Armored Passenger Vehicle Module, 60 scrap High Quality Carburetor, 15 scrap Medium Quality Crankshaft, 15 scrap High Quality Crankshaft, 15 scrap Low Quality Pistons, 15 scrap Low Quality Spark Plugs, 15 scrap Low Quality Valves, 15 scrap Medium Quality Valves, 15 scrap Medium Quality Spark Plugs, 15 scrap Medium Quality Pistons, 15 scrap High Quality Pistons, 15 scrap High Quality Spark Plugs, 15 scrap High Quality Valves, 15 scrap Engine Vehicle Module, 60 scrap Low Quality Crankshaft, 15 scrap Armored Cockpit Vehicle Module, 60 scrap Fluid Switch & Pump, 15 scrap Large Water Catcher, 30 scrap Powered Water Purifier, 30 scrap Water Pump, 30 scrap Mini Fridge, 15 scrap Camper Vehicle Module, 60 scrap Blocker, 15 scrap OR Switch, 15 scrap XOR Switch, 15 scrap Medium Rechargeable Battery, 30 scrap Small Generator, 30 scrap RF Pager, 15 scrap RAND Switch, 15 scrap Smart Alarm, 30 scrap RF Broadcaster, 15 scrap RF Receiver, 15 scrap Storage Monitor, 30 scrap RF Transmitter, 15 scrap Smart Switch, 15 scrap AND Switch, 15 scrap Memory Cell, 30 scrap Computer Station, 30 scrap Tesla Coil, 15 scrap Drone, 60 scrap PTZ CCTV Camera, 30 scrap Wind Turbine, 60 scrap Large Rechargeable Battery, 30 scrap Auto Turret, 120 scrap Elevator, 60 scrap Electric Furnace, 30 scrap Industrial Conveyor, 15 scrap Industrial Combiner, 15 scrap Industrial Crafter, 30 scrap Hopper, 15 scrap Industrial Splitter, 15 scrap Storage Adaptor, 15 scrap Fridge, 15 scrap Water Wheel, 60 scrap

The tree runs top down from the start tile, and the one tile with nothing in front of it sits right under the start.

Every unlock, priced

All 96 unlocks shown

The 96 unlocks on the Rust Engineering Workbench tech tree, dearest to reach first. Tile is its own price, reach is the whole chain.
Unlock Category Rarity Tile Reach Tiles Opens up
Auto Turret Electrical Very rare 120 555 18
Elevator Electrical Rare 60 495 18
Camper Vehicle Module Components Rare 60 480 10
Large Rechargeable Battery Electrical Uncommon 30 435 17 Auto Turret, Elevator
Armored Passenger Vehicle Module Components Rare 60 420 9
Storage Vehicle Module Components Rare 60 420 9 Camper Vehicle Module
Wind Turbine Electrical Rare 60 405 16 Large Rechargeable Battery
Drone Deployables Rare 60 390 15
Industrial Crafter Electrical Uncommon 30 390 17
Armored Cockpit Vehicle Module Components Rare 60 360 8
Fuel Tank Vehicle Module Components Rare 60 360 8 Storage Vehicle Module
Hopper Electrical Common 15 360 16 Industrial Crafter
PTZ CCTV Camera Electrical Uncommon 30 360 15
Taxi Vehicle Module Components Rare 60 360 8 Armored Passenger Vehicle Module
Industrial Combiner Electrical Common 15 345 15 Hopper
Tesla Coil Electrical Common 15 345 15 Wind Turbine
Computer Station Electrical Uncommon 30 330 14 Tesla Coil, Drone, PTZ CCTV Camera
Industrial Splitter Electrical Common 15 330 14 Industrial Combiner
Industrial Conveyor Electrical Common 15 315 13 Industrial Splitter
Memory Cell Electrical Uncommon 30 315 13
AND Switch Electrical Common 15 300 13 Computer Station
Cockpit With Engine Vehicle Module Components Rare 60 300 7 Armored Cockpit Vehicle Module
Large Flatbed Vehicle Module Components Rare 60 300 7 Fuel Tank Vehicle Module
Passenger Vehicle Module Components Rare 60 300 7 Taxi Vehicle Module
Smart Alarm Electrical Uncommon 30 300 12
Storage Adaptor Electrical Common 15 300 12 Industrial Conveyor, Industrial Conveyor
Storage Monitor Electrical Uncommon 30 300 12
Water Pump Electrical Uncommon 30 300 13
Electric Furnace Electrical Uncommon 30 285 11 Storage Adaptor
High Quality Carburetor Components Common 15 285 9
High Quality Crankshaft Components Common 15 285 9
High Quality Pistons Components Common 15 285 9
High Quality Spark Plugs Components Common 15 285 9
High Quality Valves Components Common 15 285 9
RAND Switch Electrical Common 15 285 12 Memory Cell, AND Switch
RF Broadcaster Electrical Common 15 285 12
RF Receiver Electrical Common 15 285 12
RF Transmitter Tools Common 15 285 12
Smart Switch Electrical Common 15 285 12
Fridge Electrical Common 15 270 11
Medium Quality Carburetor Components Common 15 270 8 High Quality Carburetor
Medium Quality Crankshaft Components Common 15 270 8 High Quality Crankshaft
Medium Quality Pistons Components Common 15 270 8 High Quality Pistons
Medium Quality Spark Plugs Components Common 15 270 8 High Quality Spark Plugs
Medium Quality Valves Components Common 15 270 8 High Quality Valves
Powered Water Purifier Electrical Uncommon 30 270 12 Water Pump
RF Pager Electrical Common 15 270 11 Smart Alarm, RF Broadcaster, RF Receiver, Storage Monitor, Smart Switch, RF Transmitter, RAND Switch
Low Quality Carburetor Components Common 15 255 7 Medium Quality Carburetor
Low Quality Crankshaft Components Common 15 255 7 Medium Quality Crankshaft
Low Quality Pistons Components Common 15 255 7 Medium Quality Pistons
Low Quality Spark Plugs Components Common 15 255 7 Medium Quality Spark Plugs
Low Quality Valves Components Common 15 255 7 Medium Quality Valves
Small Generator Electrical Uncommon 30 255 10 Electric Furnace, RF Pager, Fridge
Cockpit Vehicle Module Components Rare 60 240 6 Cockpit With Engine Vehicle Module
Engine Vehicle Module Components Rare 60 240 6 Low Quality Carburetor, Low Quality Crankshaft, Low Quality Spark Plugs, Low Quality Valves, Low Quality Pistons
Flatbed Vehicle Module Components Rare 60 240 6 Large Flatbed Vehicle Module
Large Water Catcher Construction Uncommon 30 240 11 Powered Water Purifier
Rear Seats Vehicle Module Components Rare 60 240 6 Passenger Vehicle Module
Medium Rechargeable Battery Electrical Uncommon 30 225 9 Small Generator
Seismic Sensor Electrical Uncommon 30 225 9
Counter Electrical Uncommon 30 210 9
Fluid Switch & Pump Electrical Common 15 210 10 Large Water Catcher
HBHF Sensor Electrical Uncommon 30 210 9
Laser Detector Electrical Uncommon 30 210 9
Digital Clock Electrical Uncommon 30 195 8
Fluid Splitter Electrical Common 15 195 9 Fluid Switch & Pump
Igniter Electrical Common 15 195 8
Reactive Target Electrical Common 15 195 9
Telephone Fun Uncommon 30 195 8 Seismic Sensor
XOR Switch Electrical Common 15 195 8 Medium Rechargeable Battery
Button Electrical Common 15 180 8 Reactive Target, Counter, HBHF Sensor, Laser Detector
Door Controller Electrical Uncommon 30 180 7 Igniter
Fluid Combiner Electrical Common 15 180 8 Fluid Splitter
Modular Car Lift Electrical Rare 60 180 5 Engine Vehicle Module, Rear Seats Vehicle Module, Flatbed Vehicle Module, Cockpit Vehicle Module
OR Switch Electrical Common 15 180 7 XOR Switch
Search Light Electrical Uncommon 30 180 7
Audio Alarm Electrical Common 15 165 7 Telephone, Digital Clock
Blocker Electrical Common 15 165 6 OR Switch
Electric Heater Electrical Uncommon 30 165 6
Pressure Pad Electrical Common 15 165 7 Button
Sprinkler Electrical Common 15 165 7 Fluid Combiner
Electrical Branch Electrical Common 15 150 6 Audio Alarm
Flasher Light Electrical Common 15 150 6
Metal Detector Tools Uncommon 30 150 5
Root Combiner Electrical Uncommon 30 150 5 Blocker
Siren Light Electrical Common 15 150 6 Search Light
Timer Electrical Common 15 150 6 Door Controller, Pressure Pad
Water Barrel Deployables Common 15 150 6 Sprinkler
Ceiling Light Electrical Common 15 135 5 Siren Light, Electric Heater, Timer, Flasher Light
Mini Fridge Electrical Common 15 135 5
Small Water Catcher Construction Common 15 135 5 Water Barrel
Splitter Electrical Common 15 135 5 Electrical Branch
Small Rechargeable Battery Electrical Common 15 120 4 Modular Car Lift, Splitter, Root Combiner, Ceiling Light, Metal Detector, Small Water Catcher, Mini Fridge
Large Solar Panel Electrical Uncommon 30 105 3 Small Rechargeable Battery
Water Wheel Electrical Rare 60 75 2 Large Solar Panel
Switch Electrical Common 15 15 1 Water Wheel

Engineering Workbench tech tree costs, upgrades and research table comparison

Clearing the entire Engineering Workbench tech tree in Rust requires 2,730 Scrap across 96 blueprint unlocks, representing 25% of the four-bench total. Opening a fresh Engineering Workbench, 1 root square sits directly below the start node with no parent requirement, whereas the deepest cumulative bill on this station reaches the Auto Turret at 555 Scrap.

Engineering Workbench branch depth, workbench upgrades and category split

Comparing the Engineering Workbench branch against a Research Table highlights prerequisite overhead: unlocking the Auto Turret down the tree costs 555 Scrap versus 120 Scrap at a Research Table once you hold the item, saving 435 Scrap. Installing the Salvage Workbench Upgrade trims every square on the Engineering Workbench by 20%, lowering the full tree from 2,730 Scrap to 2,184 Scrap.

  • Single-tile rarity fees: Un-upgraded squares cost 15/30/60/120 Scrap per node depending on item rarity tier.
  • Deepest chain and dearest unlock: Highest branch cost reaches Auto Turret at 555 total Scrap (120 on the final node over 18 steps), while the longest chain descends 18 levels from the root node.
  • Workbench upgrade modifiers: Salvage reduces every tile by 20%, while Prototype unlocks any square without prerequisites at 2x tile cost (25% failure chance).
  • Inventory categories and bench recipe: Blueprints on this station span 6 inventory categories, and every node links directly to its full crafting recipe and recycler breakdown sheet.

Frequently asked questions about the Rust wiki

How much scrap is the whole Engineering Workbench tech tree in Rust?

Unlocking all 96 blueprints on an un-upgraded Engineering Workbench costs 2,730 Scrap in total. Single squares charge 15 Scrap, 30 Scrap, 60 Scrap and 120 Scrap by item rarity, and the 2,730 Scrap sum accounts for 25% of the 11,130 Scrap across all 303 workbench nodes.

What is the most expensive unlock on the Rust Engineering Workbench tech tree?

The Auto Turret carries the highest cumulative bill on the Engineering Workbench tree at 555 Scrap from a fresh bench across an 18-tile path (120-Scrap square). Next in cumulative cost are the Elevator at 495 Scrap (18 tiles) and the Camper Vehicle Module at 480 Scrap (10 tiles).

Which tiles on the Rust Engineering Workbench tech tree can be bought straight away?

On a fresh Engineering Workbench, the Switch (15 Scrap) is the sole root square with zero prerequisites, available as soon as you open the tree. Unlocking the Switch reveals 1 connected child node on the next tier.

What is the longest unlock chain on the Engineering Workbench tech tree?

The deepest paths on the Engineering Workbench tree run 18 squares down from the entry node, terminating at Auto Turret (555 cumulative, 120 for the end tile) and Elevator (495 cumulative, 60 for the end tile). Across all 96 blueprints on this bench, the mean path depth is 9.1 squares.

Is a Research Table cheaper than the Engineering Workbench tech tree in Rust?

Studying a found item at a Research Table never exceeds the Engineering Workbench tech tree price because it charges only the standalone square fee and skips parent nodes. On this bench, 94 of 96 items cost at least 3x their square fee down the tree, led by the Auto Turret (555 vs 120 Scrap).

How do the Salvage and Prototype upgrades change Engineering Workbench tech tree costs?

Applying the Salvage Workbench Upgrade to an Engineering Workbench discounts every square by 20%, cutting the 96-node tree from 2,730 down to 2,184 Scrap. Applying the Prototype Workbench Upgrade allows unlocking any square without owning its parent chain at 2x the square fee with a 25% failure roll.

Which item categories are unlocked on the Engineering Workbench tech tree?

The 96 reachable nodes on the Engineering Workbench tree span 6 inventory tabs, topped by Electrical (61 nodes, 1,530 Scrap), Components (28 nodes, 1,005 Scrap) and Deployables (2 nodes, 75 Scrap), alongside 3 smaller tabs. Every square on the Engineering Workbench map connects to the entry node with 0 disconnected squares.

How do you craft or unlock the Engineering Workbench in Rust, and which trees does it show?

Building an Engineering Workbench consumes 500 Wood and 100 Metal Fragments. Its blueprint sits on the Workbench Level 1 tree for 60 Scrap (90 Scrap cumulative from a fresh Workbench Level 1, right after the Salvaged Hammer), and the placed station displays only its own 96-node tree.

Every price in the tree and table is for a bench with no upgrade installed. How tile prices and chains work, what the Salvage and Prototype upgrades change, and which workbench shows which tree

The Engineering Workbench itself: recipe, raw cost and item ID