T R Knapp Model Engineering – 3Dp Train

We will be closed from December 20, 2024, to January 6, 2025. Orders placed after December 6, 2024, may be delayed until our return. Thank you for your understanding!

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Rokuhan 0-6-0 Nn3 Coal or Wood Tender Shell

Rokuhan 0-6-0 Nn3 Coal or Wood Tender Shell

Regular price $7.00 USD

Regular price Sale price $7.00 USD
Unit price per
Box Cab Diesel (N scale)

Box Cab Diesel (N scale)

Regular price $13.00 USD

Regular price Sale price $13.00 USD
Unit price per
Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #7

Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #7

Regular price $10.50 USD

Regular price Sale price $10.50 USD
Unit price per
Rokuhan 0-6-0 to Nn3 Conversion – Slide Valve Steam Chest

Rokuhan 0-6-0 to Nn3 Conversion – Slide Valve Steam Chest

Regular price $6.00 USD

Regular price Sale price $6.00 USD
Unit price per
Southern Pacific Narrow Gauge "Little Giant" - Nn3

Southern Pacific Narrow Gauge "Little Giant" - Nn3

Regular price $23.00 USD

Regular price Sale price $23.00 USD
Unit price per
Mack 1921 AC Railbus

Mack 1921 AC Railbus

Regular price From $16.00 USD

Regular price Sale price From $16.00 USD
Unit price per
Brill 55 Narrow Gauge Motor Car – Rokuhan Power (N scale)

Brill 55 Narrow Gauge Motor Car – Rokuhan Power (N scale)

Regular price $19.00 USD

Regular price Sale price $19.00 USD
Unit price per
PCRy 900-Series Tank Car

PCRy 900-Series Tank Car

Regular price From $18.00 USD

Regular price Sale price From $18.00 USD
Unit price per
1921 Mack AC Railbus (S scale)

1921 Mack AC Railbus (S scale)

Regular price $50.00 USD

Regular price Sale price $50.00 USD
Unit price per
Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #5

Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #5

Regular price $10.50 USD

Regular price Sale price $10.50 USD
Unit price per
PCRy Stock Car No. 683 (N scale)

PCRy Stock Car No. 683 (N scale)

Regular price $14.00 USD

Regular price Sale price $14.00 USD
Unit price per
Rokuhan 0-6-0 Nn3 Conversion Kit#1

Rokuhan 0-6-0 Nn3 Conversion Kit#1

Regular price $6.00 USD

Regular price Sale price $6.00 USD
Unit price per
Rokuhan 0-6-0 Nn3 Oil Tender Shell

Rokuhan 0-6-0 Nn3 Oil Tender Shell

Regular price $7.00 USD

Regular price Sale price $7.00 USD
Unit price per
Brookville Industrial Gas-Mechanical - HOn30/HOn2

Brookville Industrial Gas-Mechanical - HOn30/HOn2

Regular price $8.00 USD

Regular price Sale price $8.00 USD
Unit price per
Grove Farm Sugar Cane Car - On30

Grove Farm Sugar Cane Car - On30

Regular price $20.00 USD

Regular price Sale price $20.00 USD
Unit price per
San Francisco Powell & Mason St. Cable Car (N scale)

San Francisco Powell & Mason St. Cable Car (N scale)

Regular price $15.00 USD

Regular price Sale price $15.00 USD
Unit price per