Use these exploded parts diagrams to troubleshoot repairs, identify specific components, see how parts fit together, and better understand how your model train operates.
Trainz is developing this library to help you go from identifying a part on a diagram to finding the correct replacement for your repair, restoration or project.
With over 30,000 model train parts available, Trainz carries everything from everyday replacements to discontinued and hard-to-find parts. Browse our all train parts, Lionel parts, or MTH parts.
Trainz is building one of the largest model train exploded parts diagram libraries, with 600+ diagrams and growing.
Explore diagrams for the 44 and 45 Missile Cars, 44 Tonners, 55 Tie-Jector and 2046 Hudson, along with Lionel Standard Gauge, Prewar, Postwar, MPC and Modern Era trains.
Learn model train repair through Trainz Academy. Complete our courses, or if you have extensive modern-era repair experience, take and pass our final exam to apply for a 25% discount on Lionel or MTH parts.
Complete your repair or grow your collection with new, pre-owned, vintage and collectible trains from Lionel and MTH.
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