Astrak are one of the UK’s leading and most innovative supplier of Dozer undercarriage and wear parts.

Our heavy duty OEM quality Dozer spare parts and superb customer service have made Astrak the industry favourite.

Dozer undercarriage specialists - Astrak

Our DuraTrack undercarriage components are completely interchangeable with all major brands such as CAT, Komatsu, Liebherr, Hitachi and JCB but at a more cost effective price than original equipment manufacturers.

Industry-leading Warranty

All DuraTrack undercarriage components come with a comprehensive 3 year, 3000 hour warranty which underlines our confidence in the range to meet or exceed the performance of other manufacturer’s undercarriages.

Dozer 2020 - Heavy-duty Undercarriage Parts From Astrak
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SALT Track Chains

SALT Track Chains

Astrak stock a range of sealed and lubricated track (SALT) chains with oil filled lubricant which reduces internal friction and extends wear life.

SALT Chains Diagram - Astrak
Track Shoes / Track Groups

Track Shoes / Track Groups

We stock a full range of single grouser track shoes in all standards widths from 22” (560mm) to 36” (915mm) to meet every requirement. All of our Dozer track shoes have heavy duty baseplates to increase service life.

Astrak also offer a full exchange track group service to our customers.



All idlers are available from stock to fit all leading makes and models of Dozers come complete with heavy duty seal groups, shafts and brackets.



Our sprockets are made from quality cast steel with the external tooth profiles deep induction hardened for maximum durability. Sprocket segments are forged and thoroughly hardened for extended wear life.



Astrak provide a wide range of heavy duty top rollers / carrier rollers / bottom rollers and track rollers for Dozers.

Bolt-On Edges

Bolt-On Edges

All of our bolt on blades are  through-hardened to 500HB to ensure maximum performance in the most demanding environments.

Undercarriage Conversion Kits

Astrak’s Cat® SystemOne™ / Komatsu® PLUS™ conversion kit.

A relatively simple process that is guaranteed to increase the cost effectiveness of the machine over its lifetime through reduced repair costs with the added benefit and peace of mind that comes with the tried and tested SALT system that has proven itself to be reliable and dependable in ALL conditions

Berco Products

In addition to our DuraTrack brand, Astrak have access to a wide range of Berco products. Berco have been manufacturing undercarriage parts for over 100 years and work with many OEM brands due to their quality and expertise. All of our Berco products come with a 3 year, 4000 hour warranty for your complete peace of mind.

Astrak Group UK
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