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7 Products

About the CASE CX31 Mini Excavator

MWE offers OEM quality replacement tracks and undercarriage for the CASE CX31 Mini Excavator from MWE, Camso, and Bridgestone. Our tracks feature continuous steel (joint-less) cords and are constructed from virgin (non-recycled) rubber, strong enough to handle even the most extreme applications. Our tracks are chunk and tear resistant thanks to natural rubber compounds that minimize vibration and offer a smoother ride, handling, and performance for your CASE CX31.


Select from a wide range of tread patterns including Block, Multi-Bar, C-Pattern, and Blizzard that can provide both traction and flotation in a wide variety of applications. We have tracks for the CASE CX31 in standard width, in addition to wide and narrow fitments. Choose a wider fitment to extend track life and minimize ground damage or use a narrow fitment for tight spaces.


Whatever your job requires, we have Rubber Tracks and Replacement Undercarriage Parts for your CASE CX31 Mini Excavator at a savings nearly 50% less than dealer pricing. Please check out our products below. If you have any quesitons, our knowledgeable, professional sales team will take the time to evaluate and recommend the right product for your job.

Track Size
Primary Fitment300x52.5Wx82
Alternate Fitment300x109Wx40
Steel FitmentCH101-45-67-43L
Steel Links43
Steel Link TypeCH101-45-67
Undercarriage
Front Idler/RollerFIPW52D00010F1 - CASE CX31, CX36, KOBELCO SK30SR-2 / SK35SR-2 (Early)
SprocketSPPW53D01001P1 - CASE CX31, CASE CX31B, SK30SR-2 / SK35SR-2 (Early)
Rear Idler/RollerCRPV64D00001F1 - CASE CX31, CX31B, CX35, SK30SR-2, SK35SR-2 (Early) CARRIER ROLLER
Bottom RollerTRPW64D00010F2 - CASE CX36 TRACK ROLLER
Bottom RollerTR4340535 - JOHN DEERE/CASE Track Roller - SAME AS PX64D00009F1 AND 9237937
Bottom RollerTR20N-30-71707 - KOMATSU TRACK ROLLER PC30R-8, PC15-3, PC20-7, PC20R-8, PC27R-8 MU3004 (same as 9237937)
FI SAME AS CASE CX31, CX36,
KOBELCO SK30SR-2 / SK35SR-2 (Early)