Affliate Disclaimer: When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Swipe Previous
Swipe Next
Lionel - Safety Transformer (6-4050) Items for Sale
Year Released: 1972
Part Number: 6-4050
Category: Transformer
We have a new model train website, Find My MTH Trains, to help you find MTH Train items.
| eBay Summary - Currency Code: USD | Count | Avg. Price (USD) | Low Price (USD) | High Price (USD) |
| Bid Auctions | 3 | 6.16 | 0.99 | 13.50 |
| Buy it Now Auctions | 28 | 24.44 | 3.75 | 49.99 |
Listed below are current active eBay auctions for this Item.
Click on the image or link to see more details about the auction on eBay.
Current eBay Auctions
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage
Currency: USD
Current Bid Price: $0.99 ( 0 bids)
Buy It Now Price: 3.75
Auction Ends: 21st June, 2026
Item location: Rockville Centre, US
Seller Rating: 1840/98.8%
Click here to see eBay Auction
Back to the top
Currency: USD
Current Bid Price: $0.99 ( 0 bids)
Buy It Now Price: 3.75
Auction Ends: 21st June, 2026
Item location: Rockville Centre, US
Seller Rating: 1840/98.8%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Untested Parts only
Currency: USD
Current Bid Price: $3.99 ( 0 bids) or Best Offer
Auction Ends: 20th June, 2026
Item location: Fort Atkinson, US
Seller Rating: 246/98.8%
Click here to see eBay Auction
Back to the top
Currency: USD
Current Bid Price: $3.99 ( 0 bids) or Best Offer
Auction Ends: 20th June, 2026
Item location: Fort Atkinson, US
Seller Rating: 246/98.8%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Untested
Currency: USD
Buy It Now Price: $10.00 or Best Offer
Item location: Pitman, US
Seller Rating: 2220/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $10.00 or Best Offer
Item location: Pitman, US
Seller Rating: 2220/100.0%
Click here to see eBay Auction
Back to the top
Title: LIONEL Type 4050 Red Transformer (Missing Handle)
Currency: USD
Buy It Now Price: $11.49
Item location: Ocala, US
Seller Rating: 2622/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $11.49
Item location: Ocala, US
Seller Rating: 2622/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer, #1073, 8-18 Vts Damaged, Both tested & Work
Currency: USD
Current Bid Price: $13.50 ( 0 bids)
Buy It Now Price: 19.00
Auction Ends: 16th June, 2026
Item location: Mechanicsville, US
Seller Rating: 686/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Current Bid Price: $13.50 ( 0 bids)
Buy It Now Price: 19.00
Auction Ends: 16th June, 2026
Item location: Mechanicsville, US
Seller Rating: 686/100.0%
Click here to see eBay Auction
Back to the top
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: 5805/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $14.00 or Best Offer
Item location: Thompsonville, US
Seller Rating: 5805/99.9%
Click here to see eBay Auction
Back to the top
Title: LIONEL No 4050 7.5 VA TRAINMASTWER TOY TRANSFORMER, OPERATIONAL 5-208-5
Currency: USD
Buy It Now Price: $14.99 or Best Offer
Item location: Coventry, US
Seller Rating: 243/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $14.99 or Best Offer
Item location: Coventry, US
Seller Rating: 243/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Tested And Working Good Cord
Currency: USD
Buy It Now Price: $14.99
Item location: , US
Seller Rating: 439/99.5%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $14.99
Item location: , US
Seller Rating: 439/99.5%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage
Currency: USD
Buy It Now Price: $19.97 or Best Offer
Item location: Akron, US
Seller Rating: 893/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $19.97 or Best Offer
Item location: Akron, US
Seller Rating: 893/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Red Trainmaster Toy Transformer Type 4050 AC 7.5 VA 60 Hz Tested VINTAGE
Currency: USD
Buy It Now Price: $19.97
Item location: Cooperstown, US
Seller Rating: 252/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $19.97
Item location: Cooperstown, US
Seller Rating: 252/100.0%
Click here to see eBay Auction
Back to the top
Title: LIONEL MULTIVOLT TRANSFORMER # 4050 75VA 120V BLUE
Currency: USD
Buy It Now Price: $19.99
Item location: Staten Island, US
Seller Rating: 5514/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $19.99
Item location: Staten Island, US
Seller Rating: 5514/99.9%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S UnTested
Currency: USD
Buy It Now Price: $19.99
Item location: Monroe, US
Seller Rating: 479/95.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $19.99
Item location: Monroe, US
Seller Rating: 479/95.9%
Click here to see eBay Auction
Back to the top
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: 4948/99.4%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $19.99
Item location: Bangor, US
Seller Rating: 4948/99.4%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Untested Toy Train
Currency: USD
Buy It Now Price: $20.00 or Best Offer
Item location: Alliance, US
Seller Rating: 2148/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $20.00 or Best Offer
Item location: Alliance, US
Seller Rating: 2148/99.9%
Click here to see eBay Auction
Back to the top
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: 1364/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $20.00
Item location: Vinton, US
Seller Rating: 1364/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Powers On Please Read
Currency: USD
Buy It Now Price: $21.21
Item location: Immokalee, US
Seller Rating: 2311/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $21.21
Item location: Immokalee, US
Seller Rating: 2311/99.9%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage
Currency: USD
Buy It Now Price: $22.00 or Best Offer
Item location: Concord, US
Seller Rating: 3314/99.3%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $22.00 or Best Offer
Item location: Concord, US
Seller Rating: 3314/99.3%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage Powers On
Currency: USD
Buy It Now Price: $24.00 or Best Offer
Item location: Leander, US
Seller Rating: 295/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $24.00 or Best Offer
Item location: Leander, US
Seller Rating: 295/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Red Transformer Type 4050 8-15V 50W Output Made in USA Works
Currency: USD
Buy It Now Price: $24.95 or Best Offer
Item location: Brentwood, US
Seller Rating: 1965/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $24.95 or Best Offer
Item location: Brentwood, US
Seller Rating: 1965/99.9%
Click here to see eBay Auction
Back to the top
Title: Lionel 4050 50 Watt AC Train Set Transformer EX
Currency: USD
Buy It Now Price: $24.99
Item location: Flowery Branch, US
Seller Rating: 762226/99.8%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $24.99
Item location: Flowery Branch, US
Seller Rating: 762226/99.8%
Click here to see eBay Auction
Back to the top
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: 1627/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $27.99 or Best Offer
Item location: Spokane, US
Seller Rating: 1627/100.0%
Click here to see eBay Auction
Back to the top
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: 289/99.4%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $29.99
Item location: Mashpee, US
Seller Rating: 289/99.4%
Click here to see eBay Auction
Back to the top
Title: Lionel Trainmaster Transformer 4050 Red Train Power Made In USA
Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Miami, US
Seller Rating: 6983/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $29.99 or Best Offer
Item location: Miami, US
Seller Rating: 6983/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Red Train Master Toy Transformer Type 4050 AC 7.5 VA 60 Hz USA Made
Currency: USD
Buy It Now Price: $37.99
Item location: Oceanside, US
Seller Rating: 35280/99.3%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $37.99
Item location: Oceanside, US
Seller Rating: 35280/99.3%
Click here to see eBay Auction
Back to the top
Title: Lionel Trainmaster Transformer 4050
Currency: USD
Buy It Now Price: $38.00 or Best Offer
Item location: Painesville, US
Seller Rating: 2949/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $38.00 or Best Offer
Item location: Painesville, US
Seller Rating: 2949/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Orange Train Master Toy Transformer Type 4050 AC 7.5 VA 60 Hz USA Made
Currency: USD
Buy It Now Price: $39.99
Item location: Oceanside, US
Seller Rating: 35280/99.3%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $39.99
Item location: Oceanside, US
Seller Rating: 35280/99.3%
Click here to see eBay Auction
Back to the top
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: 752/99.8%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $40.00
Item location: Mason, US
Seller Rating: 752/99.8%
Click here to see eBay Auction
Back to the top
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: 14008/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $45.00 or Best Offer
Item location: Emmaus, US
Seller Rating: 14008/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel #4050 7.5VA Transformer Blue 1970'S Vintage
Currency: USD
Buy It Now Price: $49.99 or Best Offer
Item location: San Marcos, US
Seller Rating: 11640/99.5%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $49.99 or Best Offer
Item location: San Marcos, US
Seller Rating: 11640/99.5%
Click here to see eBay Auction
Back to the top
Back to the top
Last Updated June 15, 2026, 6:54 am
Copyright © 2026 N. & C. Stevens
Privacy Policy
➤