Undercarriage Parts

Undercarriage parts and components work as a system to move the machine in any type of terrain. NBSJ produces high quality undercarriage parts to keep your heavy machinery running productively without delays. Undercarriage parts can account for a large amount of the repair investment you make over the life of the machine. For this reason, NBSJ offers the highest quality undercarriage replacement parts, while giving customers the ability to obtain significant savings to reduce repairs cost on their machine.

NBSJ Parts offers undercarriage parts designed to provide the greatest return on your investment and extend the wear life of your machines. We have the knowledge and experience to help you get the most out of your machines. NBSJ supplies parts with an excellent reputation in the roadbuilding, construction, and forestry industries.

Construction, Road Building, & Forestry Undercarriage Parts

Undercarriage part create a complete system to keep your equipment moving across different types of terrain. Check out our undercarriage part options below.

Track Equipment Undercarriage Parts

Track Assemblies – We carry complete track group assemblies in addition to individual steel and rubber tracks. Track groups can be shipped pre-assembled to make your installation even easier.

Sprockets, Idlers, & Segments – We offer a wide selection of sprockets that are designed for extended life, high resistance, and increased durability. Our idlers and rollers can help your crawlers, dozers, and excavators handle even the most intense applications.

Track Shoes & Track Pads – We have a variety of track shoes for any environment with a variety of designs, profiles, and widths. Our premium track shoes are built to handle even the highest impact conditions without bending or breaking.

Track Links – We carry heavy-duty Track links that hold track sections together and keep your equipment functioning properly in even the harshest applications.

Track Adjusters – We offer track adjusters that can directly replace your existing parts with a quick replacement. Track adjusters help to absorb shock and protect your machine from leakage while minimizing the risk of releasing the spring.

Track Chains – Our track chains are available in different versions to match your machine and environment. With track chains designed for easy installation, you can save time and money while increasing the performance of your machine.
Rollers – We supply track rollers are designed for a long wear life and strong performance even in the most extreme operating conditions. Increase the undercarriage clearance height to reduce the load on the front wheel, sprocket, and final drive. Top, bottom, and carrier rollers can decrease the weight on costlier parts, increasing overall wear life. By investing in quality rollers, you can save costs in the long run.
Pins & Bushings – Pins and bushings form the hinges that allow the links of the track chain to move around the sprockets & idlers. As pins and bushings naturally wear it primarily occurs on a single side of the pin and the matching surface of the bushing, which allows the track pitch to extend, causing a stretched chain that runs loose. Maintaining proper pins and bushings will keep your undercarriage tracks running effectively.
Other Components
Equalizer Bars
Springs & Recoil Assemblies
Grouser bars
Ice lugs

The following are some of the undercarriage replacement parts available for your machine:
Track Rollers
Carriers
Link Assemblies
Sprockets
Idlers
Bogies
Equalizer Bars
Spring Recoil
Track Adjuster & Recoil
Track Shoes
Track Guides
Track Pins & Bushings
Rims and Wheels
Rubber Tracks
Pivot Pins
& more

Undercarriage Parts for All Types of Equipment

NBSJ carries undercarriage components for all track-type equipment, including:

Dozer Undercarriages
Track, Compact, & Log Loaders
Backhoe
Excavators & Mini Excavators
Forestry Equipment
Skidders & Skid Steers
Pavers
Feller Bunchers
Processor/Harvesters
Mulchers
Track Cutters

In addition to undercarriage parts for the typical track-type equipment, We also offer parts for unique applications such as logging machines and forestry undercarriages, drilling equipment, asphalt road paving, and more.

Replacement Undercarriage Parts Brands for Full Sized and Mini Machine

CMI, Case, Caterpillar, Daewoo-Doosan, Dresser, Fecon, Hitachi, Hyundai, Ingersoll Rand, International, JCB, John Deere, Joy, Kobelco, Koehring, Komatsu, Leeboy, Liebherr, Link Belt, Mantis, Mitsubishi, New Holland, Poclain, Prentice, Samsung, Sandvik, Sany, Sennebogen, Sullivan, Sumitomo, Tamrock, Terex, Timbco, Tigercat, Timberjack, Timberpro, Timber King, Volvo, Wirthgen, Yutani