TrainMasterModels.com Toggle Search Account Checkout Cart New Arrivals HO New Arrivals N New Arrivals Z New Arrivals O New Arrivals G New Arrivals S New Arrivals Train Sets HO Train Sets N Train Sets Z Train Sets O Train Sets G Train Sets S Train Sets Battery Train Sets HO Scale HO New Arrivals HO Locomotives HO Steam HO Diesel HO Electric HO Passenger Cars HO Freight Cars HO Train Sets HO Vehicles HO Figures HO Structures HO Parts HO Locomotive and Rolling Stock Parts HO Structural Detail Parts HO Couplers, Trucks & Wheels HO Decal/Dry Transfers HO Track HO Scale Scenery HO Pre-Orders HO On Sale HO Pre-Owned N Scale N New Arrivals N Locomotives N Steam N Diesel N Electric N Passenger Cars N Freight Cars N Train Sets N Vehicles N Figures N Structures N Parts N Locomotive and Rolling Stock Parts N Structural Detail Parts N Couplers, Trucks & Wheels N Decal/Dry Transfers N Track N Scale Scenery N Pre-Orders N On Sale Z Scale Z New Arrivals Z Locomotives Z Steam Z Diesel Z Electric Z Passenger Cars Z Freight Cars Z Train Sets Z Vehicles Z Figures Z Structures Z Parts Z Locomotive and Rolling Stock Parts Z Structural Detail Parts Z Couplers, Trucks & Wheels Z Decal/Dry Transfers Z Track Z Scale Scenery Z Pre-Orders Z On Sale O Scale O New Arrivals O Locomotives O Steam O Diesel O Electric O Passenger Cars O Freight Cars O Train Sets O Vehicles O Figures O Structures O Parts O Locomotive and Rolling Stock Parts O Structural Detail Parts O Couplers, Trucks & Wheels O Decal/Dry Transfers O Track O Scale Scenery O Pre-Orders O On Sale G Scale G New Arrivals G Locomotives G Steam G Diesel G Electric G Passenger Cars G Freight Cars G Train Sets G Vehicles G Figures G Structures G Parts G Locomotive and Rolling Stock Parts G Structural Detail Parts G Couplers, Trucks & Wheels G Decal/Dry Transfers G Track G Scale Scenery G Pre-Orders G On Sale S Scale S New Arrivals S Locomotives S Steam S Diesel S Electric S Passenger Cars S Freight Cars S Train Sets S Vehicles S Figures S Structures S Parts S Locomotive and Rolling Stock Parts S Structural Detail Parts S Couplers, Trucks & Wheels S Decal/Dry Transfers S Track S Scale Scenery S Pre-Orders S On Sale Model Supplies Non Scale Scenery Adhesives, Cleaner & Lubricant Scratch Building Supplies Paint and Painting Supplies Decals/Dry Transfers Hardware Signs Tools Marklin Parts Other Scales Train Merch. 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Battery Train Sets Kids Apparel Melissa and Doug DVD's, Videos and Software Kids Books Thomas The Train & Friends Other Kids Electrical Electrical Supplies DCC - Digital Command Control Speakers and Sound Turnout Controls Smoke Signals Power Supplies Pre-Orders HO Pre-Orders N Pre-Orders Z Pre-Orders O Pre-Orders G Pre-Orders S Pre-Orders On Sale HO On Sale N On Sale Z On Sale O On Sale G On Sale S On Sale Pre-Owned HO Pre-Owned Search site Submit search Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 You are here:Home > O Scale > O Parts > O Couplers, Trucks & Wheels Find by Pricing Below 3 (6)3 to 5.99 (12)6 to 9.99 (9)10 and Above (20) Find by Brand Athearn Inc (3)Atlas O (8)Bachmann Industries (3)Grandt Line Products Inc (2)Intermountain Railway Company (1)Kadee Quality Products (26)Keil-Line Products (2)Lionel (2) Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 180 per page 360 per page 1 Athearn 90821 O Truck, Bettendorf (2) List Price $14.99 In-Stock $12.99 25th Anniversary Sale Price $12.09 Athearn 90822 O Truck Andrews Pair List Price $13.98 In-Stock $12.19 25th Anniversary Sale Price $11.29 Athearn 90823 O Truck Archbar (2) List Price $13.98 In-Stock $12.19 25th Anniversary Sale Price $11.29 Atlas 6945 O Adust-A-Couplers Pkg 2 50-Ton In-Stock $12.19 25th Anniversary Sale Price $11.29 Atlas 6946 O Adust-A-Couplers Pkg 2 70-Ton In-Stock $12.19 25th Anniversary Sale Price $11.29 Atlas 7031 O Caboose Trucks w/Electrical Pickups 2-Rail In-Stock $35.99 25th Anniversary Sale Price $33.19 Atlas 7034 O 70-Ton Roller-Bearing Trucks w/Rotating Bearing Caps 2-Rail In-Stock $33.99 25th Anniversary Sale Price $31.39 Atlas 7067 O Andrews 2-Rail Freight Car Trucks 1 Pair In-Stock $32.99 25th Anniversary Sale Price $30.49 Atlas 7029 O Atlas O Commonwealth Express Car Trucks 2-Rail In-Stock $36.99 25th Anniversary Sale Price $34.09 Atlas 7064 O Barber-Bettendorf 2-Rail Freight Car Trucks 1 Pair In-Stock $32.99 25th Anniversary Sale Price $30.49 Atlas 7068 O Roller Bearing 2-Rail Caboose Trucks 1 Pair In-Stock $34.99 25th Anniversary Sale Price $32.29 Bachmann 29903 On30 Spectrum On30 Trucks w/Wheel Sets Freight Arch Bar Long Wheelbase 1 Pair List Price $26.00 In-Stock $17.09 25th Anniversary Sale Price $15.79 Bachmann 29905 On30 Spectrum On30 Trucks w/Wheel Sets Freight Vulcan 1 Pair List Price $22.50 In-Stock $16.19 25th Anniversary Sale Price $14.99 Bachmann 29902 On30 Spectrum On30 Trucks w/Wheel Sets Passenger Diecast 1 Pair List Price $22.50 In-Stock $16.19 25th Anniversary Sale Price $14.99 Grandt Line 27 O Box Car Coupler Pocket Rio Grande List Price $3.30 In-Stock $3.04 25th Anniversary Sale Price $2.80 Grandt Line 45 O Griffin Denver Wheelsets 26" List Price $4.50 In-Stock $3.99 25th Anniversary Sale Price $3.67 Intermountain 20050 O Wheelset 33" Brass Insulated Pkg 4 In-Stock $14.79 25th Anniversary Sale Price $13.69 Kadee 801 O Acetal Plastic Couplers w/Metal Springs Box Car Color List Price $4.99 In-Stock $4.33 25th Anniversary Sale Price $3.98 Kadee 803 On3 On3 Coupler w/Draft Gear Box 2 Pairs List Price $7.99 In-Stock $6.99 25th Anniversary Sale Price $6.49 Kadee 804 O Acetal Plastic Couplers w/Metal Springs 1 Pair List Price $4.99 In-Stock $4.33 25th Anniversary Sale Price $3.98 Kadee 812 O Coupler Height Gauge O Scale In-Stock $21.39 25th Anniversary Sale Price $19.79 Kadee 845 O O Knuckle Springs #804 805 & 806 List Price $2.79 In-Stock $2.40 25th Anniversary Sale Price $2.21 Kadee 846 O Springs Coupler Centering for #802 or #803 List Price $2.79 In-Stock $2.40 25th Anniversary Sale Price $2.21 Kadee 847 O Knuckle Springs For #802 & #803 In-Stock $2.96 25th Anniversary Sale Price $2.72 Kadee 805 O All-Metal Magnetic Knuckle Couplers 1 Pair List Price $4.99 In-Stock $4.39 25th Anniversary Sale Price $4.04 Kadee 806 O Couplers Plastic Short & Draft Gear Box for P&D Hobbies F-Units 1 Pair List Price $4.99 In-Stock $4.39 25th Anniversary Sale Price $4.04 Kadee 807 On3 On3 Coupler w/Draft Gear Box 2 Pairs In-Stock $8.59 25th Anniversary Sale Price $7.99 Kadee 850 O Coupler Springs Centering for #s 804 805 & 806 List Price $2.79 In-Stock $2.40 25th Anniversary Sale Price $2.21 Kadee 811 O Uncoupler-Magnetic Between the Rails Mount for O 2-Rail List Price $5.99 In-Stock $5.21 25th Anniversary Sale Price $4.89 Kadee 815 On30 On30 Coupler Height Gauge Includes Coupler List Price $7.99 In-Stock $6.99 25th Anniversary Sale Price $6.49 Kadee 300 On30 24" Griffin Ribbed-Back Wheelsets Pkg 8 List Price $9.99 In-Stock $8.69 25th Anniversary Sale Price $8.09 Kadee 800 O Acetal Plastic Couplers w/Metal Springs Rust Color List Price $4.99 In-Stock $4.33 25th Anniversary Sale Price $3.98 Kadee 809 O 3 Rail Uncoupler Between The Rails In-Stock $5.39 25th Anniversary Sale Price $5.09 Kadee 813 On3 On3 Coupler Height Gauge In-Stock $21.30 25th Anniversary Sale Price $19.69 Kadee 819 O Extended Metal Draft Gear Box 4 Pairs List Price $4.99 In-Stock $4.39 25th Anniversary Sale Price $4.04 Kadee 816 O Metal Knuckle Coupler w/Plastic Draft Gear Box & Lid Kit 1 Pair List Price $4.99 In-Stock $4.39 25th Anniversary Sale Price $4.04 Kadee 817 O Plastic Draft Gear Box & Lid Kit List Price $3.99 In-Stock $3.45 25th Anniversary Sale Price $3.17 Kadee 740 O New Generation AA R Type E Coupler Metal Medium Centerset 2 Pair List Price $10.49 In-Stock $9.19 25th Anniversary Sale Price $8.59 Kadee 742 O New Generation Type E Coupler 2 Pair List Price $10.49 In-Stock $9.19 25th Anniversary Sale Price $8.59 Kadee 743 O 2014 New Generation Metal Type E Coupler w/Draft Gear Box 2 Pair List Price $10.49 In-Stock $9.19 25th Anniversary Sale Price $8.59 Kadee 745 O New Generation AAR Type E Coupler 2 Pair In-Stock $11.29 25th Anniversary Sale Price $10.49 Kadee 746 O 2016 New Generation Metal Type E Coupler w/Draft Gear Box 2 Pair List Price $10.49 In-Stock $9.19 25th Anniversary Sale Price $8.59 Kadee 747 O New Generation AAR Type E Coupler 2 Pair List Price $10.49 In-Stock $9.19 25th Anniversary Sale Price $8.59 Keil-Line 48217 O Bolster & Draft Gear Set List Price $8.95 In-Stock $3.49 25th Anniversary Sale Price $3.21 Keil-Line 48380 O Bolster Old-Time Cars 1/8" High List Price $5.95 In-Stock $1.51 25th Anniversary Sale Price $1.39 Lionel 614251 O Die-Cast Sprung Trucks w/Rotating Bearings List Price $48.99 In-Stock $35.99 25th Anniversary Sale Price $33.19 Lionel 614078 O Die-Cast Sprung Trucks 2 List Price $34.99 In-Stock $31.99 25th Anniversary Sale Price $29.49 1