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#556 Vulcan Double Truss Self Centering Trucks with 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks Mounts with Kadee Self Centering bushing on a flat surface with a #2 or 2-56 screw or without the Kadee Self Centering bushing on a 0.140" or smaller molded on truck post secured with the original screw. The Vulcan truck was introduced in the 1920's as another replacement for the archbar truck. The Vulcan design incorporated a pin which held the journal box in place. Removal of the pin allowed the journal box to be quickly replaced. This truck lasted to the end of the steam era on mainline railroads and somewhat longer on logging railroads. HO-Scale Metal Fully Sprung Trucks Features:  Self Centering Action - Trucks self align themselves parallel with the car for easier placement on track. Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Self Centering Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Patent number 5,768,999 Package Includes: (2) Each #556 Vulcan Double Truss Self Centering Trucks (assembled) (2) Each Self Centering Bushing (2) Each #2 Screw The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#500 Bettendorf 50-ton Trucks with 33" Smooth Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Bettendorf Double Truss Truck was introduced in the 1930's by U.S. railroads and was allowed to be used in interchange service through 1993. The Kadee® #500, #502 & #550 represent 50- ton trucks for 100,000 pound cars. HO-Scale Metal Fully Sprung Trucks Features: Code 110 (.110) #520 33" Smooth Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Patent number 5,768,999 Package Includes: (2) Each #500 Bettendorf 50-ton Trucks (assembled) The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#515 Vulcan Double Truss Trucks with 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Vulcan truck was introduced in the 1920's as another replacement for the arch bar truck. The Vulcan design incorporated a pin which held the journal box in place. Removal of the pin allowed the journal box to be quickly replaced. This truck lasted to the end of the steam era on mainline railroads and somewhat longer on logging railroads. HO-Scale Metal Fully Sprung Trucks Features: Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Patent number 5,768,999 Package Includes: (2) Each #515 Vulcan Double Truss Trucks (assembled) The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#509 Andrews (1898) Trucks with 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Andrews truck is also a turn of the century design that was long lived. It represents one of the first steps in the development of the modern freight truck with its cast frame. The journal boxes are bolted to the main frame. This truck was used through the end of the 1950's although by that time was only used in lighter applications such as refrigerator cars. Andrews trucks are probably still used were logging railroads remain in operation. HO-Scale Metal Fully Sprung Trucks Features: Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Patent number 5,768,999 Package Includes: (2) Each #509 Andrews (1898) Trucks (assembled) The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#517 Pennsylvania 2D-F8 50-Ton Trucks with 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Pennsylvania Railroad Class 2D-F8 50-ton freight truck was originally manufactured in the 1920's with a riveted bolster but our release represents the style introduced in the 1930's which included a cast steel bolster. This type of truck was in faithful service for more than fifty years. HO-Scale Metal Fully Sprung Trucks Features: Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Patent number 5,768,999 Package Includes: (2) Each #517 Pennsylvania 2D-F8 50-Ton Trucks (assembled) The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#503 Arch Bar Trucks with Ready-to-MountWhisker®Couplers, 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks TheWhisker®couplers will need to be assembled on to the trucks coupler bottom plate. Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Arch Bar Truck is typical of these trucks from around the turn of the century. Despite the age of these trucks, they saw more than seventy years of service in some applications. The arch bar was allowed in interchange service until about 1941. On railroads that were not common carriers such as logging or other industrial lines, this restriction of the trucks did not apply since the trucks did not operate on rails other than the owner's. The Northern Pacific, for example, used truss rod frame maintenance of way cars fitted with arch bar trucks well into the early 1970's. Many logging railroads also used them at least until then. HO-Scale Metal Fully Sprung Trucks Features: Ready-To-Mount #148 Metal Whisker® Couplers Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Package Includes: (2) Each #503 Arch Bar Trucks with Coupler Platform (assembled) (2) Each #148 Metal Whisker® Couplers (2) Each Coupler Gearbox (2) Each 0-48 Screw (2) Each Insulated Bushing (2) Each #209 Gray Insulating Fiber Washers .010" (2) #622 Knuckle Springs The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#516 Vulcan Double Truss Trucks with Ready-to-MountWhisker®Couplers, 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks TheWhisker®couplers will need to be assembled on to the trucks coupler bottom plate. Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Vulcan truck was introduced in the 1920's as another replacement for the arch bar truck. The Vulcan design incorporated a pin which held the journal box in place. Removal of the pin allowed the journal box to be quickly replaced. This truck lasted to the end of the steam era on mainline railroads and somewhat longer on logging railroads. HO-Scale Metal Fully Sprung Trucks Features: Ready-To-Mount #148 Metal Whisker® Couplers Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Package Includes: (2) Each #516 Vulcan Double Truss Trucks with Coupler Platform (assembled) (2) Each #148 Metal Whisker® Couplers (2) Each Coupler Gearbox (2) Each 0-48 Screw (2) Each Insulated Bushing (2) Each #209 Gray Insulating Fiber Washers .010" (2) #622 Knuckle Springs The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#512 Bettendorf T-Section Trucks with Ready-to-MountWhisker®Couplers, 33" Ribbed Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks TheWhisker®couplers will need to be assembled on to the trucks coupler bottom plate. Mounts with a #2 or 2-56 screw.Mounting Screws not Included. The Bettendorf T-Section truck was introduced in the 1920's with a one piece cast sideframe. It had a life similar to the Andrews truck. HO-Scale Metal Fully Sprung Trucks Features: Ready-To-Mount #148 Metal Whisker® Couplers Code 110 (.110) #523 33" Ribbed Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Sprung Trucks Metal Sideframes & Fully Sprung Bolster Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels #637 HO Scale Truck Springs Package Includes: (2) Each #512 Bettendorf T-Section Trucks with Coupler Platform (assembled) (2) Each #148 Metal Whisker® Couplers (2) Each Coupler Gearbox (2) Each 0-48 Screw (2) Each Insulated Bushing (2) Each #209 Gray Insulating Fiber Washers .010" (2) #622 Knuckle Springs The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#564 Bettendorf 50-ton Self Centering Trucks with 33" Smooth Back Wheels - HO Scale"HGC" Two Piece Fully Equalized Trucks The Self-Centering Action trucks self align themselves parallel with the car for easier placement on track. Mounts with a #2 or 2-56 screw. The Bettendorf Double Truss Truck was introduced in the 1930's by U.S. railroads and was allowed to be used in interchange service through 1993. The Kadee® #500, #502 & #550 represent 50- ton trucks for 100,000 pound cars. "HGC" or High Gravity Compound, weighs nearly the same as Metal Trucks but with more detail & a 2 piece split bolster design for more efficient truck equalization, reduced axle friction for greater rolling performance. HO-Scale "HGC" Two Piece Fully Equalized Trucks Features: Self Centering Action - Trucks self align themselves parallel with the car for easier placement on track. Code 110 (.110) #520 33" Smooth Back Wheels "HGC" Weighs nearly the same as Metal Trucks Superior Rolling Ability Clip on Brake Pads Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Fully Equalized Trucks Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels Patent number 7,434,518 B2 Package Includes: (2) Each #564 Bettendorf 50-ton Self Centering Two Piece Trucks (assembled) (2) Clip on Brake Pads (2) Each Self Centering Bushing (2) Each #2 Screw The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#566 Barber® S-2-B 70-Ton Self Centering Trucks with 33" Smooth Back Wheels - HO Scale"HGC" Two Piece Fully Equalized Trucks The Self-Centering Action trucks self align themselves parallel with the car for easier placement on track. Mounts with a #2 or 2-56 screw. "HGC" or High Gravity Compound, weighs nearly the same as Metal Trucks but with more detail & a 2 piece split bolster design for more efficient truck equalization, reduced axle friction for greater rolling performance. HO-Scale "HGC" Two Piece Fully Equalized Trucks Features: Self Centering Action - Trucks self align themselves parallel with the car for easier placement on track. Code 110 (.110) #520 33" Smooth Back Wheels "HGC" Weighs nearly the same as Metal Trucks Superior Rolling Ability #442 Brake Pads - Wide Bolster Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Fully Equalized Trucks Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels Patent number 7,434,518 B2 Package Includes: (2) Each #566 Barber® S-2-B 70-Ton Self Centering Two Piece Trucks (assembled) (2) #442 Brake Pads - Wide Bolster (2) Each Self Centering Bushing (2) Each #2 Screw The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#581 Bettendorf T-Section Self Centering Caboose Trucks with 33" Ribbed Back Wheels - (Leaf Spring) - HO Scale"HGC" Two Piece Fully Equalized Trucks The Self-Centering Action trucks self align themselves parallel with the car for easier placement on track. Mounts with a #2 or 2-56 screw. "HGC" or High Gravity Compound, weighs nearly the same as Metal Trucks but with more detail & a 2 piece split bolster design for more efficient truck equalization, reduced axle friction for greater rolling performance. HO-Scale "HGC" Two Piece Fully Equalized Trucks Features: Self Centering Action - Trucks self align themselves parallel with the car for easier placement on track. Code 110 (.110) #523 33" Ribbed Back Wheels "HGC" Weighs nearly the same as Metal Trucks Superior Rolling Ability Clip on Brake Pads Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Fully Equalized Trucks Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels Patent number 7,434,518 B2 Package Includes: (2) Each #581 Bettendorf T-Section Self Centering Caboose Truck (Leaf Spring) (assembled) (2) Clip on Brake Pads (2) Each Self Centering Bushing (2) Each #2 Screw The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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#568 National Type B-1 50-Ton Self Centering Trucks with 33" Smooth Back Wheels - HO Scale"HGC" Two Piece Fully Equalized Trucks The Self-Centering Action trucks self align themselves parallel with the car for easier placement on track. Mounts with a #2 or 2-56 screw. "HGC" or High Gravity Compound, weighs nearly the same as Metal Trucks but with more detail & a 2 piece split bolster design for more efficient truck equalization, reduced axle friction for greater rolling performance. HO-Scale "HGC" Two Piece Fully Equalized Trucks Features: Self Centering Action - Trucks self align themselves parallel with the car for easier placement on track. Code 110 (.110) #520 33" Smooth Back Wheels "HGC" Weighs nearly the same as Metal Trucks Superior Rolling Ability Clip on Brake Pads Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels Highly Flexible Fully Equalized Trucks Smooth tracking Free Rolling Contoured Insulated Plastic Axles RP-25 Free Rolling Wheels Patent number 7,434,518 B2 Package Includes: (2) Each #568 National Type B-1 50-Ton Self Centering Two Piece Trucks (assembled) (2) Clip on Brake Pads (2) Each Self Centering Bushing (2) Each #2 Screw The term Code 110 and Code 88 relates to the width of the wheels and has no relationship to track code. Code 110 wheels are .110" wide and Code 88 are .088" wide. Code 110 wheels are the common (or "Standard") width wheels and Code 88 are what is called "Semi-Scale" and are used when the modeler wants a more prototypical looking wheel width. Actual HO-Scale prototypical wheel width would be around .067" wide and although they will run OK on the average track they will not go through common turnouts and crossings. Code 88 (.088") is just about the minimum width of wheel that will run on most standard or common track if gauged correctly. It really is a matter of appearances because there's very little operational differences between running Code 110 or Code 88 wheels. Code 88 wheels look really good and are most noticeable on open frame cars like hoppers and tank cars. However, they also look great on boxcars, gondolas, and reefers but not quite as noticeable. As mentioned above track code and wheel code have no relationship meaning Code 110 and Code 88 will run on most any code of track. Track code is simply the measured height of the rail, code 100 is .100" tall, code 83 is .083" tall, code 70 is .070" tall, and so on.

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