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Reliable undercarriage parts for Cat® equipment
Gmmco provides high-quality undercarriage parts for Cat equipment, ensuring optimal performance and durability in challenging environments.

Large Track Type tractor undercarriage
Up to 50% longer life than conventional designs
- Blocks contaminants, keeps lubricating oil in.
- Extends track life, lowers operating cost per hour
- Available in Heavy XL SBT, Heavy Duty PPR, and General Duty tracks
Medium Track Type tractor
- 50% longer life than conventional designs
- Reusable sprockets and idlers lasting up to 2 track lives
- Available in System One, Heavy Duty, and General Duty tracks
- Unique sealing system ensures superior protection with minimal repairs
Small Track Type tractor
- 30-50% longer life than standard designs
- Idlers last up to 2 track lives, saving on downtime and parts
- System One and sealed track options available
- Less equipment downtime and more savings
- Long life and low operating costs
Large excavator undercarriage
- PPR2, non-PPR2, or heavy-duty cast and fabricated idlers available
- Longer structural life for tough applications
- Cat Moly Grease Track extends wear by 25%
- Exclusive for excavators, increasing track life and lowering cost per hour
Small & medium undercarriage
- Maximum internal wear life
- Lowest cost per hour system available to customers
- Highly polished to greatly reduce friction between internal surfaces
- Longer system life and more value for customers
Cat undercarriage assurance program
- Designed for structural integrity and sealability
- Assurance covers 3,000-6,000 hours or 4 years, based on undercarriage type
- Covers key components: links, rollers, idlers, and sprockets
- Protects against failures like oil leaks, breakage, and sizing
- Applies to new Cat® machines or replacement undercarriages, including other brands
Your on-demand service partner
Frequently asked questions
Have a question? Refer to our FAQs for answers to your most common questions!
Cat’s quality and design drive system life. We offer unique products with extended life including SystemOne for many tractor models, deeper hardened links for D10/11, high abrasion undercarriage for D11, sleeve bearing track for D11, synthetic oil in components, post turn seals, positive pin retention, Chrome Nitride bushing end face coatings, consistent hardness depths and proper core hardness for component reusability. Dealers use Custom Track Service (CTS) to extend system life and support machine uptime and productivity.
Cat continually invests in methods to ensure and build quality into its manufacturing processes. Cat’s track sealability continues to be the best in the industry. We demonstrate our commitment to quality by providing Undercarriage Assurance to our customers.
The first and foremost goal of SystemOne is to provide our customers with differentiated product that provides the lowest owning and operating costs in the marketplace. At times, that means offering revolutionary product designs such as SystemOne which deliver unique benefits to customers.
Caterpillar’s cost per hour is less than other market alternatives even though the initial purchase price is higher. The cost per hour calculation is necessary is understanding overall product value. Cat’s components are reusable/rebuildable – bushings, track rollers and idlers. With the purchase of Cat parts comes the unmatched commitment and expert support from Caterpillar and its dealers. Undercarriage Assurance guarantees against leakage and breakage for an extended time period.
Cat Undercarriage Assurance is the best in the industry. The Cat dealer strives to inspect undercarriage at the end of the assurance period. Competitors frequently do not honor their stated coverage to the customer.
Find your nearest Gmmco
Visakhapatnam
Gmmco Limited, Plot no 85/3, block-D of industral development area 8, auto nagar, visakhapatnam, Andhra Pradesh - 530012
Chimakurthy
Gmmco Limited, Door no. 7-560/c, survey no. 59/1b, gandhi nagar, r.w. no 07, bypass road, chimakurthy, prakasam, Andhra Pradesh - 523226
Vijayawada
Gmmco Limited, No 54-9-32, Plot no 22, Block no g-20, nagas complex, 100 feet road, jawahar auto nagar, vijayawada, Andhra Pradesh - 520007
Hyderabad
Gmmco Limited, Survey No.17, Anmagal Hayathnagar, Revenue Village, Hyderabad, Telangana - 501505
Kothagudem
Gmmco Limited, H. no. 4 -142, lakshmi devi palli, opp. forest office, kothagudem, khammam dist, Telangana - 507101
Rajamundry
Gmmco Limited, D.no.11-95/1 & 11-96/1,2 rs no. 340/2b, n m complex, aditya nagar, morapudi jn, pidimgoyyi, rajahmundry, Andhra Pradesh - 533103
