Item Tag: T R Knapp Model Engineering

Box Cab Diesel (N scale, NN3) Box Cab B-B Industrial Diesel Locomotive (N scale Narrow gauge Nn3) Free-lance narrow-gauge box cab B-B industrial locomotive. The body is held in place with two straight pins (not included) through the side sill.

The model is designed to use either 6.5mm gauge or 9mm gauge PowerMAX four-wheel power truck or Narrow Garage N-Power 11mm wheelbase four-wheel power truck. With modification, the 3D-prints could be adapted to use the Showcase Miniatures 6.5 or 9mm gauge power truck.

Designed to use motor and trucks from Rokuhan SA-1 “Shorty” Z-scale chassis (not included). Simple swap-over of parts (see instructions.). Instructions include artwork for signs. PICK UP OPTION. BRBL Class 70 Trucks 6′ Boston Revere Beach & Lynn Nn3, HOn3, On30, On3.

In 1954, SP brought engine X-1, a GE 50 ton diesel (GE build number 32226) with a 450 HP Caterpillar diesel engine and “narrow-gauged” standard-gauge trucks, to the desert to replace the three remaining already aged 4-6-0 steam locomotives.

Rokuhan 0-6-0 Nn3 Oil Tender Shell Rokuhan 0-6-0 Nn3 Oil Tender ShellChanging Z scale tender shell to Baldwin-inspired N narrow gauge shellThe Rokuhan Z-scale USRA 0-6-0 is a well-running, relatively affordable donor chassis for conversion to Nn3.

Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #6 Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #Changing superstructure and pilot/cover-plate of Z scale model to 1890’s-1920’s N scale oil or coal burning N scale 2-6-0 steam locomotive.The Rokuhan Z-scale USRA 0-6-0 is a well-running, relatively affordable donor chassis for conversion to Nn3.

Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #5 Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #5Changing superstructure and pilot/cover-plate of Z scale model to 1890’s-1920’s N scale wood or coal burning N scale 2-6-0 steam locomotive.The Rokuhan Z-scale USRA 0-6-0 is a well-running, relatively affordable donor chassis for conversion to Nn3.

Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #7 Rokuhan 0-6-0 to Nn3 2-6-0 Conversion Kit #7Changing superstructure and pilot/cover-plate of Z scale model to “modern” N scale 2-6-0 steam locomotive. The Rokuhan Z-scale USRA 0-6-0 is a well-running, relatively affordable donor chassis for conversion to Nn3.

Rokuhan 0-6-0 to Nn3 Conversion – Slide Valve Steam Chest Rokuhan 0-6-0 to Nn3 Conversion – Slide Valve Steam ChestSlide valve steam chest and crosshead guides for changing as-supplied piston valve steam cylinders and Walschaerts valve gear to slide valves and Stephenson valve gear as used on older locomotives.

Rokuhan 0-6-0 Nn3 Conversion Kit #4 Rokuhan 0-6-0 Nn3 Conversion Kit #4Changing superstructure of Z scale model to “modern” N scale coal or oil burning steam locomotive.The Rokuhan Z-scale USRA 0-6-0 is a well-running, relatively affordable donor chassis for conversion to Nn3.