Electromechanical slot machines
Motors, lights and a hopper full of coins.
By Ryan Jessop. Last checked .
Key takeaways
- Arrived in the 1960s.
- Electric motors spun the reels.
- A hopper paid hundreds of coins.
- The lever became optional.
In shortElectromechanical slot machines, introduced in the 1960s, used electric motors and a coin hopper, which allowed much larger automatic payouts than springs and gears could manage.
What changed
| Feature | Mechanical | Electromechanical |
|---|---|---|
| Reels driven by | A spring, tensioned by the lever | Electric motors |
| Payout | A small tube of coins | A hopper holding hundreds |
| Lights and sound | Bells | Electric lights and buzzers |
| Multi-coin play | Rare | Common |
The machine usually credited
Bally's Money Honey of 1963 is recognised as the first fully electromechanical slot machine. Its hopper could pay out up to 500 coins automatically, with no attendant, and the side lever soon became a relic.
What it led to
Once electricity ran the machine, replacing the reels with a screen was the next step.
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In Britain
Electromechanical design shaped the British fruit machine too: lit feature boards, hold and nudge buttons and cash ladders all depend on electrics.
Keep reading: The Liberty Bell, Hold buttons, How to win on slot machines and High volatility slot machines.
Slot figures are developers' published defaults, each confirmed against two sources; the version at your casino can differ. UK land-based stake and prize limits and online rule dates were checked against Gambling Commission and licensing authority sources on 6 October 2026. History follows commonly cited accounts. Offer terms dated 5 October 2026. How we check. 18+. Free help: 0808 8020 133 or safer gambling.
Frequently asked questions
What is an electromechanical slot?
One driven by motors, not springs.
When did they appear?
The 1960s.
What was Money Honey?
The machine usually credited as the first.
Why did they matter?
Larger automatic payouts.