
GregTech Steam Expansion
Steam-powered tools & armor addon for GregTech CEu Modern with special abilities.
Screenshots



About this Mod
GregTech Steam Expansion
Expand the Steam Age with powerful steam-powered tools and armor!
GregTech Steam Expansion is an addon for GregTech CEu Modern that introduces a complete suite of steam-powered equipment, bringing new life to the early-game Steam Age progression.
Features
Steam-Powered Tools
Experience mining and crafting like never before with 8 unique steam-powered tools:
Basic Tools
- Steam Pickaxe - Features Vein Mining: automatically mines entire ore veins (up to 16 blocks) when powered by steam. Hold Shift to mine single blocks.
- Steam Axe - Efficient wood harvesting tool
- Steam Shovel - 3x3 Excavation Mode: dig large areas quickly when powered by steam
- Steam Sword - Combat weapon powered by steam
- Steam Hoe - 3x3 Tilling and Auto-Harvest: right-click mature crops to harvest and replant automatically
Advanced Tools
Steam Drill (32,000 mB capacity)
- 3x3 Area Mining: breaks a 3x3 area of blocks
- Perfect for large-scale excavation projects
- 50 mB steam consumption per block
Steam Chainsaw (32,000 mB capacity)
- Instant Tree Felling: chops entire trees at once (up to 200 blocks)
- Makes forestry efficient and satisfying
- 30 mB steam consumption per block
Steam Hammer (24,000 mB capacity)
- 50% Chance for Double Ore Output when powered by steam
- Right-click blocks to transform: Stone → Cobblestone → Gravel → Sand
- 40 mB steam consumption per block
Steam-Powered Armor
Protect yourself with a full set of steam-powered armor, each piece offering unique benefits:
Steam Helmet (8,000 mB capacity)
- Grants Night Vision when powered by steam
- Never lose sight in dark caves again
Steam Chestplate (64,000 mB capacity)
- Large Steam Storage - acts as the main steam tank for your armor set
- Jetpack Functionality: Hold Space to fly up to 10 blocks high (50 mB/tick)
- Press the Jetpack Toggle key to enable/disable flight mode
- Crouch while falling to glide gracefully
Steam Leggings (16,000 mB capacity)
- Increases Movement Speed when powered
- Immunity to Slowness effects
Steam Boots (8,000 mB capacity)
- No Fall Damage when powered by steam
- Step Assist: automatically climb blocks like a horse
Steam Mechanics
All steam-powered equipment operates on a dual-system:
With Steam:
- Tools consume steam instead of durability
- Enhanced performance and special abilities activate
- Smooth, efficient operation
Without Steam:
- Tools consume durability like normal items
- Special abilities are disabled
- Still functional but less efficient
Refueling:
- Use the Steam Charging Station to refuel your equipment
- 9 charging slots for simultaneous refueling
- 512,000 mB (512 buckets) steam tank capacity
- Smooth charging at 25 mB per tick
Steam Alloy Material
Introducing Steam Alloy - a unique material designed specifically for steam technology:
Properties:
- Crafted from 2 Bronze + 1 Steel
- Tool tier: 2 (Iron equivalent)
- Durability: 512
- Mining speed: 7.0
Crafting Methods:
- Alloy Smelter: Bronze Ingots + Steel Ingot → Steam Alloy Ingots
- Mixer: Bronze Dust + Steel Dust → Steam Alloy Dust
Steam Charging Station
A dedicated machine for refueling your steam-powered equipment:
- 9 Charging Slots: charge multiple items simultaneously
- 512 Bucket Steam Tank: large capacity for extended operation
- Smooth Charging: 25 mB per tick for quick refueling
- Auto-Detection: only accepts steam-powered items
- User-Friendly GUI: clear steam level display and item organization
Technical Information
Requirements:
- Minecraft 1.20.1
- Forge 47.4.4+
- GregTech CEu Modern 7.0.0+ (required)
Optional Integration:
- Just Enough Items (JEI) 15.20.0+ - for recipe viewing
Support & Links
- GregTech CEu Modern: Official Link
Embrace the power of steam and revolutionize your GregTech experience!
Available Versions
How to Install GregTech Steam Expansion on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "GregTech Steam Expansion". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
GregTech Steam Expansion server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is GregTech Steam Expansion compatible with forge?
GregTech Steam Expansion officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with GregTech Steam Expansion – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if GregTech Steam Expansion consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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