Heavy Equipment Parts stocks excavator track adjuster assemblies also known as track tensioners or recoil springs to maintain the correct track sag and protect your undercarriage from premature wear. A properly adjusted track reduces stress on rollers, idlers, sprockets, and chains, extending the life of your entire undercarriage system. Our track adjuster assemblies are engineered to OEM specifications and available for all major excavator and dozer brands. Stocked in Sydney and available for fast delivery across Australia.