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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 | 3 | 11.83 | 9.99 | 12.99 |
| Buy it Now Auctions | 21 | 22.73 | 5.00 | 38.00 |
Listed below are current active eBay auctions for this Item.
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Current eBay Auctions
Title: Lionel 691MM28287 Legacy KCS 4050 SD-70ACe Module
Currency: USD
Buy It Now Price: $5.00
Item location: Flowery Branch, US
Seller Rating: 695440/99.7%
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Currency: USD
Buy It Now Price: $5.00
Item location: Flowery Branch, US
Seller Rating: 695440/99.7%
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Title: Vintage Lionel #4050 Red Transformer
Currency: USD
Current Bid Price: $9.99 ( 0 bids)
Auction Ends: 6th October, 2025
Item location: Annapolis, US
Seller Rating: 24155/100.0%
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Currency: USD
Current Bid Price: $9.99 ( 0 bids)
Auction Ends: 6th October, 2025
Item location: Annapolis, US
Seller Rating: 24155/100.0%
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Title: Lionel Trainmaster Toy Transformer Type 4050 AC 7.5 VA model Untested E5
Currency: USD
Buy It Now Price: $10.00 or Best Offer
Item location: Salem, US
Seller Rating: 963/100.0%
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Currency: USD
Buy It Now Price: $10.00 or Best Offer
Item location: Salem, US
Seller Rating: 963/100.0%
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Title: LIONEL Type 4050 Red Transformer (Missing Handle)
Currency: USD
Buy It Now Price: $11.49
Item location: Ocala, US
Seller Rating: 2360/100.0%
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Currency: USD
Buy It Now Price: $11.49
Item location: Ocala, US
Seller Rating: 2360/100.0%
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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: 4th October, 2025
Item location: Mount Laurel, US
Seller Rating: 3049/100.0%
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Currency: USD
Current Bid Price: $12.50 ( 0 bids)
Auction Ends: 4th October, 2025
Item location: Mount Laurel, US
Seller Rating: 3049/100.0%
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Title: Lionel - Trainmaster Type 4050 Transformer - Red - 120 V 60 HZ - Tested Video
Currency: USD
Current Bid Price: $12.99 ( 0 bids) or Best Offer
Auction Ends: 6th October, 2025
Item location: Alexander City, US
Seller Rating: 1417/100.0%
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Currency: USD
Current Bid Price: $12.99 ( 0 bids) or Best Offer
Auction Ends: 6th October, 2025
Item location: Alexander City, US
Seller Rating: 1417/100.0%
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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: 4910/99.9%
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Currency: USD
Buy It Now Price: $14.00 or Best Offer
Item location: Thompsonville, US
Seller Rating: 4910/99.9%
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Title: LIONEL Model 4050 -O/O27 Gauge 120V Train Transformer - 1972 - TESTED
Currency: USD
Buy It Now Price: $16.99
Item location: Sugar Land, US
Seller Rating: 981/99.3%
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Currency: USD
Buy It Now Price: $16.99
Item location: Sugar Land, US
Seller Rating: 981/99.3%
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Title: Lionel Red Transformer Type 4050 8-15V 50W Output Made in USA Works
Currency: USD
Buy It Now Price: $18.95
Item location: Jacksonville, US
Seller Rating: 3675/99.2%
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Currency: USD
Buy It Now Price: $18.95
Item location: Jacksonville, US
Seller Rating: 3675/99.2%
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Title: Lionel Trainmaster Toy Transformer 4050 AC 7.5 VA Red- Tested
Currency: USD
Buy It Now Price: $19.95 or Best Offer
Item location: Lincoln, US
Seller Rating: 2656/99.9%
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Currency: USD
Buy It Now Price: $19.95 or Best Offer
Item location: Lincoln, US
Seller Rating: 2656/99.9%
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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: 3993/99.3%
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Currency: USD
Buy It Now Price: $19.99
Item location: Bangor, US
Seller Rating: 3993/99.3%
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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: 4944/99.3%
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Currency: USD
Buy It Now Price: $19.99
Item location: Staten Island, US
Seller Rating: 4944/99.3%
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Title: Lionel O Guage Blue Type 4050 Train Transformer 8-15 VAC 7.5A TESTED
Currency: USD
Buy It Now Price: $19.99
Item location: Cushing, US
Seller Rating: 4072/99.4%
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Currency: USD
Buy It Now Price: $19.99
Item location: Cushing, US
Seller Rating: 4072/99.4%
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Title: Lionel Trainmaster Toy Transformer Type 4050 AC 7.5 VA
Currency: USD
Buy It Now Price: $20.00
Item location: Tullahoma, US
Seller Rating: 15780/98.5%
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Currency: USD
Buy It Now Price: $20.00
Item location: Tullahoma, US
Seller Rating: 15780/98.5%
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Title: Vintage LIONEL Trainmaster Transformer Red Type 4050 Tested
Currency: USD
Buy It Now Price: $20.09 or Best Offer
Item location: Tolland, US
Seller Rating: 8542/100.0%
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Currency: USD
Buy It Now Price: $20.09 or Best Offer
Item location: Tolland, US
Seller Rating: 8542/100.0%
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Title: Lionel Trainmaster Toy Transformer 4050 AC 7.5 VA
Currency: USD
Buy It Now Price: $25.00
Item location: Marina, US
Seller Rating: 101/100.0%
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Currency: USD
Buy It Now Price: $25.00
Item location: Marina, US
Seller Rating: 101/100.0%
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Title: Lot Of (5) Vintage Lionel & Tyco Transformers 1012 1015 1038 4050 899T FOR PARTS
Currency: USD
Buy It Now Price: $29.95 or Best Offer
Item location: Torrington, US
Seller Rating: 1365/98.2%
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Currency: USD
Buy It Now Price: $29.95 or Best Offer
Item location: Torrington, US
Seller Rating: 1365/98.2%
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Title: Lionel #4050 50 Watt Train Transformer Tested Layout Ready C
Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 32681/99.9%
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Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 32681/99.9%
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Title: 1970'S VINTAGE LIONEL #4050 7.5VA TRANSFORMER NEAR MINT CONDITION
Currency: USD
Buy It Now Price: $29.99
Item location: Middletown, US
Seller Rating: 39128/99.7%
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Currency: USD
Buy It Now Price: $29.99
Item location: Middletown, US
Seller Rating: 39128/99.7%
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Title: Lionel #4050 50 Watt Train Transformer Tested Layout Ready B
Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 32681/99.9%
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Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 32681/99.9%
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Title: Vintage LIONEL Trainmaster Transformer Red Type 4050 WORKS
Currency: USD
Buy It Now Price: $29.99
Item location: Saint Louis, US
Seller Rating: 11243/99.6%
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Currency: USD
Buy It Now Price: $29.99
Item location: Saint Louis, US
Seller Rating: 11243/99.6%
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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: 32681/99.9%
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Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Suffolk, US
Seller Rating: 32681/99.9%
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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: 2515/99.7%
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Currency: USD
Buy It Now Price: $38.00 or Best Offer
Item location: Painesville, US
Seller Rating: 2515/99.7%
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Title: Lionel Trainmaster Toy Transformer Type 4050 AC 7.5 VA
Currency: USD
Buy It Now Price: $38.00
Item location: Mason, US
Seller Rating: 316/100.0%
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Currency: USD
Buy It Now Price: $38.00
Item location: Mason, US
Seller Rating: 316/100.0%
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Last Updated September 30, 2025, 7:03 am
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