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Lionel - Safety Transformer (6-4050) Items for Sale
Year Released: 1972
Part Number: 6-4050
Category: Transformer
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| eBay Summary - Currency Code: USD | Count | Avg. Price (USD) | Low Price (USD) | High Price (USD) |
| Bid Auctions | 1 | 12.50 | 12.50 | 12.50 |
| Buy it Now Auctions | 17 | 26.55 | 11.49 | 45.00 |
Listed below are current active eBay auctions for this Item.
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Current eBay Auctions
Title: LIONEL Type 4050 Red Transformer (Missing Handle)
Currency: USD
Buy It Now Price: $11.49
Item location: Ocala, US
Seller Rating: 2501/100.0%
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Currency: USD
Buy It Now Price: $11.49
Item location: Ocala, US
Seller Rating: 2501/100.0%
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Title: LIONEL TRANSFORMER TYPE 4050 BENCH TESTED WORKS VARIABLE WORKS PRE OWENED USED
Currency: USD
Current Bid Price: $12.50 ( 0 bids)
Auction Ends: 16th February, 2026
Item location: Mount Laurel, US
Seller Rating: 3272/100.0%
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Currency: USD
Current Bid Price: $12.50 ( 0 bids)
Auction Ends: 16th February, 2026
Item location: Mount Laurel, US
Seller Rating: 3272/100.0%
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Title: Lionel Trainmaster Toy Transformer 4050 AC 7.5 VA Red Untested
Currency: USD
Buy It Now Price: $14.00 or Best Offer
Item location: Thompsonville, US
Seller Rating: 5416/99.9%
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Currency: USD
Buy It Now Price: $14.00 or Best Offer
Item location: Thompsonville, US
Seller Rating: 5416/99.9%
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Title: Lionel Trainmaster Toy Transformer 4050 AC 7.5 VA Red Untested
Currency: USD
Buy It Now Price: $19.99
Item location: Bangor, US
Seller Rating: 4575/99.4%
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Currency: USD
Buy It Now Price: $19.99
Item location: Bangor, US
Seller Rating: 4575/99.4%
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Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Untested
Currency: USD
Buy It Now Price: $19.99 or Best Offer
Item location: West Des Moines, US
Seller Rating: 629/100.0%
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Currency: USD
Buy It Now Price: $19.99 or Best Offer
Item location: West Des Moines, US
Seller Rating: 629/100.0%
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Title: LIONEL MULTIVOLT TRANSFORMER # 4050 75VA 120V BLUE
Currency: USD
Buy It Now Price: $19.99
Item location: Staten Island, US
Seller Rating: 5276/99.7%
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Currency: USD
Buy It Now Price: $19.99
Item location: Staten Island, US
Seller Rating: 5276/99.7%
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Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Powers On Please Read
Currency: USD
Buy It Now Price: $20.00
Item location: Vinton, US
Seller Rating: 1166/100.0%
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Currency: USD
Buy It Now Price: $20.00
Item location: Vinton, US
Seller Rating: 1166/100.0%
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Title: Power Supply Lionel Red Type 4050 - 50 watt - Pre Owned
Currency: USD
Buy It Now Price: $24.95 or Best Offer
Item location: Blairsville, US
Seller Rating: 617/99.3%
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Currency: USD
Buy It Now Price: $24.95 or Best Offer
Item location: Blairsville, US
Seller Rating: 617/99.3%
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Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Powers On Please Read
Currency: USD
Buy It Now Price: $24.95
Item location: Immokalee, US
Seller Rating: 1728/99.9%
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Currency: USD
Buy It Now Price: $24.95
Item location: Immokalee, US
Seller Rating: 1728/99.9%
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Title: 1970'S VINTAGE LIONEL 4050 7.5VA TRANSFORMER
Currency: USD
Buy It Now Price: $24.98 or Best Offer
Item location: Blue Ridge, US
Seller Rating: 617/99.3%
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Currency: USD
Buy It Now Price: $24.98 or Best Offer
Item location: Blue Ridge, US
Seller Rating: 617/99.3%
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Title: Lionel #4050 7.5VA Transformer Blue 1970'S Tested And Working Ships Free
Currency: USD
Buy It Now Price: $27.99 or Best Offer
Item location: Spokane, US
Seller Rating: 1590/99.4%
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Currency: USD
Buy It Now Price: $27.99 or Best Offer
Item location: Spokane, US
Seller Rating: 1590/99.4%
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Title: Lionel #4050 50 Watt Train Transformer Tested Layout Ready A
Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 33685/99.9%
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Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 33685/99.9%
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Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Powers On
Currency: USD
Buy It Now Price: $29.99
Item location: Mashpee, US
Seller Rating: 162/98.2%
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Currency: USD
Buy It Now Price: $29.99
Item location: Mashpee, US
Seller Rating: 162/98.2%
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Title: Lionel Type 6-4050 50W Transformer O O27 Gauge Blue
Currency: USD
Buy It Now Price: $29.99
Item location: East Setauket, US
Seller Rating: 32356/99.6%
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Currency: USD
Buy It Now Price: $29.99
Item location: East Setauket, US
Seller Rating: 32356/99.6%
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Title: Lionel 8251-50 HORN/WHISTLE CONTROLLER & 4050 50 WATT TRANSFORMER - Please Read
Currency: USD
Buy It Now Price: $29.99
Item location: Novi, US
Seller Rating: 2723/100.0%
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Currency: USD
Buy It Now Price: $29.99
Item location: Novi, US
Seller Rating: 2723/100.0%
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Title: Lionel Trainmaster Transformer 4050
Currency: USD
Buy It Now Price: $38.00 or Best Offer
Item location: Painesville, US
Seller Rating: 2785/100.0%
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Currency: USD
Buy It Now Price: $38.00 or Best Offer
Item location: Painesville, US
Seller Rating: 2785/100.0%
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Title: Lionel Trainmaster Toy Transformer Type 4050 AC 7.5 VA
Currency: USD
Buy It Now Price: $40.00
Item location: Mason, US
Seller Rating: 627/99.8%
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Currency: USD
Buy It Now Price: $40.00
Item location: Mason, US
Seller Rating: 627/99.8%
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Title: Lot of 3 HO Transformers Thunder Line / Model Power / Lionel (AC only) Tested
Currency: USD
Buy It Now Price: $45.00 or Best Offer
Item location: Emmaus, US
Seller Rating: 13651/100.0%
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Currency: USD
Buy It Now Price: $45.00 or Best Offer
Item location: Emmaus, US
Seller Rating: 13651/100.0%
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Last Updated February 14, 2026, 7:45 am
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