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Caterpillar Undercarriages
New Aftermarket, Used and Rebuilt Caterpillar Undercarriages
AMS can save you a lot on new aftermarket, used and rebuilt Caterpillar Undercarriages and related parts. We offer everything from attachments, final drives, undercarriages, engines, cylinders, cabs, pumps and much more for all makes and models of construction equipment. We have a national reach for all of our customers and provide parts to customers around the globe. To request a quote, simply give us a call or click the Get Quote button below and a parts specialist will reply with a quote in minutes.
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Select Caterpillar Undercarriages Machine Type
All Caterpillar Undercarriages

Track Chain / Rail
- Part #: CR4267/36
- Weight: 1177.00
- Fits Machine(s): 955L, D6C
- Category(s): Undercarriages
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Spring, Recoil
- Part #: 3P1459
- Weight: 144.00
- Fits Machine(s): 963 LGP, 963, D6G2 LGP, D6G2 XL, D6G SR, D6G, D6E, D6E SR, D6D, D6C
- Category(s): Undercarriages
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Track Frame - Loaded
- Part #: 3W-8146
- Fits Machine(s): 963 LGP, 963
- Category(s): Undercarriages
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Guard Assy
- Part #: 7P6594
- Weight: 41.00
- Fits Machine(s): 963 LGP, 963
- Category(s): Undercarriages
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Track Chain
- Part #: CR4267/37
- Weight: 1210.00
- Fits Machine(s): 963 LGP, 963
- Category(s): Undercarriages
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Bottom Roller
- Part #: CR6088
- Weight: 113.30
- Fits Machine(s): 963 LGP, 963, D6R HD STD, D6R HD XL, D6R HD LGP, D6R HD XR, D6T HD XR, D6T HD XL, D6T HD LGP, D6T HD STD, 850J LT, 850J, ED190LC BLADE RUNNER
- Category(s): Undercarriages
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Track Grouser Pad / Shoe
- Part #: CR3324/24
- Weight: 48.00
- Fits Machine(s): 963B
- Category(s): Undercarriages
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Idler Group
- Part #: CR4007WB
- Weight: 429.00
- Fits Machine(s): 963C
- Category(s): Undercarriages
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Top Roller with Carrier
- Part #: 2P-3514
- Fits Machine(s): 973 LGP
- Category(s): Undercarriages
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Segment Grp D7g
- Part #: 3P1039
- Weight: 170.00
- Fits Machine(s): 973 LGP, D7E/F/G, 977L
- Category(s): Undercarriages
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Idler (no Spring)
- Part #: 7T-4509
- Fits Machine(s): 973 LGP, 977H
- Category(s): Undercarriages
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Top Roller
- Part #: CR2876
- Weight: 88.00
- Fits Machine(s): 973, D7E, D7G LGP, D7G, SE350LC, EC360LC
- Category(s): Undercarriages
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Idler Group
- Part #: CR4032WB
- Weight: 723.00
- Fits Machine(s): 973
- Category(s): Undercarriages
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