n scale model railroad trucks and trains
Ultimate N Scale trailer kits
n scale trailer-on-flatcar history
  • Four digit kit numbers are original Ultimate-N-Scale items.
  • Original Ultimate-N-Scale kits will be sold only while current supplies last.
  • Two and three digit kit numbers are new or upgraded kits.
  • New and upgraded kits have separately molded wheels, bumpers, stanchions, tanks, spare tires, etc. for making customized trailers.
  • Wheel sets are compatible with commericial TOFC cars and UNS cars.
  • Deck, flatcar and trailer kits do not include pins or hitches. This enables the customer to use any method desired.

***Please click here for all non-USA shipments.***

Our kits are unpainted resin castings containing small parts and are breakable.
Please keep all UNS parts away from small children.

Kit No. Description Price Image Buy
B-36-S 17 foot single axle fuel/water/chemical trailer (military and commercial) $8.00 Photo
n gauge model railroad vehicles
n gauge models ordering information
n gauge model finishing service
Ultimate N Scale contact information
n gauge model railroad vehicles catalog
A-2003-S 20 foot original Ultimate-N-Scale box trailer with round nose and vertical post sides $7.00 Photo
A-2101-S 20 foot original Ultimate-N-Scale single axle refrigerator with round nose and horizontal corrugated sides $7.00 Photo
A-2125-S 20 foot original Ultimate-N-Scale single axle box trailer with round nose, smooth sides and side door (Southern Pacific design) $7.00 Photo
B-41-S 20 foot single axle box trailer with round nose and horizontal corrugation $8.00 Photo
B-41-T 20 foot twin axle box trailer with round nose and horizontal corrugation $8.00 Photo
B-42-S 20 foot single axle box trailer with round nose horizontal corrugation and side door $8.00 Photo
B-42-T 20 foot twin axle box trailer with round nose horizontal corrugation and side door $8.00 Photo
B-43-S 20 foot single axle box trailer with round nose and vertical post sides $8.00 Photo
B-43-T 20 foot twin axle box trailer with round nose and vertical post sides $8.00 Photo
B-44-S 20 foot single axle refrigerator on round nose with horizontal corrugated sides $8.00 Photo
B-47-S 20 foot single axle box trailer with round nose, smooth sides and side door (Southern Pacific & others) $8.00 Photo
B-47-T 20 foot twin axle box trailer with round nose, smooth sides and side door (Southern Pacific & others) $8.00 Photo
B-24-S 22 foot single axle flatbed trailer with flat bulkhead nose $8.00 Photo
B-24-T 22 foot twin axle flatbed trailer with flat bulkhead nose $8.00 Photo
A-2130-S 24 foot original Ultimate-N-Scale single axle box trailer with flat nose and corrugated sides (Union Pacific design) $7.00 Photo
A-2131-S 24 foot original Ultimate-N-Scale box trailer with flat nose, corrugated sides and side door (Southern Pacific) $7.00 Photo
A-2150-S 24 foot original Ultimate-N-Scale box trailer with round capped nose and corrugated sides (very common) $7.00 Photo
B-37-S 24 foot single axle box trailer with round nose and smooth sides (common early Fruehauf type) $8.00 Photo
B-37-T 24 foot twin axle box trailer with round nose and smooth sides (common early Fruehauf type) $8.00 Photo
B-48-S 24 foot single axle box trailer with flat nose and horizontal corrugation (Union Pacific type) $8.00 Photo
B-48-T 24 foot twin axle box trailer with flat nose and horizontal corrugation (Union Pacific type) $8.00 Photo
B-49-S 24 foot single axle box trailer with flat nose, horizontal corrugation and side door (Union Pacific) $8.00 Photo
B-49-T 24 foot twin axle box trailer with flat nose, horizontal corrugation and side door (Union Pacific) $8.00 Photo
B-50-S 24 foot single axle box trailer with round capped nose and horizontal corrugation (common type) $8.00 Photo
B-50-T 24 foot twin axle box trailer with round capped nose and horizontal corrugation (common type) $8.00 Photo
B-54-S 24 foot single axle box trailer with flat nose and vertical post sides $8.00 Photo
B-54-T 24 foot twin axle box trailer with flat nose and vertical post sides $8.00 Photo
A-2201-S 28 foot original Ultimate-N-Scale box trailer round nose and smooth sides (very common design) $7.00 Photo
B-11-S 28 foot single axle box trailer with round nose and smooth sides (common Fruehauf type) $8.00 Photo
B-11-T 28 foot twin axle box trailer with round nose and smooth sides (common Fruehauf type) $8.00 Photo
B-12-S 30 foot single axle box trailer with flat front and horizontal corrugation (common Fruehauf type) $8.00 Photo
B-12-T 30 foot twin axle box trailer with flat front and horizontal corrugation (common Fruehauf type) $8.00 Photo
B-26-S 32 foot single axle box trailer with flat nose, number board and vertical post sides $8.00 Photo
B-26-T 32 foot twin axle box trailer with flat nose, number board and vertical post sides $8.00 Photo
A-2303-S 35 foot original Ultimate-N-Scale Dorsey moving van first built in 1938 $7.00 Photo
A-2304-T 35 foot original Ultimate-N-Scale partly shrouded 3500 gallon gasoline trailer built 30's to 60's $7.00 Photo
A-2305-T 35 foot original Ultimate-N-Scale fully shrouded 3500 gallon gasoline trailer built 40's to 70's $7.00 Photo
A-2306-T 35 foot original Ultimate-N-Scale flatbed trailer with round front $7.00 Photo
A-2307-T 35 foot original Ultimate-N-Scale twin axle box trailer with flat front and smooth sides (very common trailer) $7.00 Photo
A-2308-T 35 foot original Ultimate-N-Scale twin axle box trailer with round nose and smooth sides (Fruehauf common design) $7.00 Photo
B-16-S 35 foot single axle flatbed with round front and short wood sides $8.00 Photo
B-16-T 35 foot twin axle flatbed with round front and short wood sides $8.00 Photo
B-21-S 35 foot single axle box trailer with flat nose and smooth sides (very common type) $8.00 Photo
B-21-T 35 foot twin axle box trailer with flat nose and smooth sides (very common type) $8.00 Photo
B-22-S 35 foot single axle box trailer with round nose and smooth sides (common Fruehauf type) $8.00 Photo
B-22-T 35 foot twin axle box trailer with round nose and smooth sides (common Fruehauf type) $8.00 Photo
B-31-S 35 foot single axle open top, round nose trailer with short wood sides and tarp cover $8.00 Photo
B-31-T 35 foot twin axle open top, round nose trailer with short wood sides and tarp cover $8.00 Photo
B-32-S 35 foot single axle open top, flat nose trailer with vertical post sides and tarp cover $8.00 Photo
B-32-T 35 foot twin axle open top, flat nose trailer with vertical post sides and tarp cover $8.00 Photo
B-33-S 35 foot single axle open top, round nose trailer with smooth sides and tarp cover (common type) $8.00 Photo
B-33-T 35 foot twin axle open top, round nose trailer with smooth sides and tarp cover (common type) $8.00 Photo
B-34-T 35 foot twin axle open top, flat nose trailer with vertical post sides and generic aggregate load $8.00 Photo
B-23-T 40 foot twin axle box trailer with round nose and horizontal corrugated sides $8.00 Photo