Mining parts

MST has become well known for the supply of quality components to the world's mining industry. MST's ability to combine the highest quality products, capable of working in these extreme conditions, with the technical knowledge and know how, has meant MST is the first call for mining spare parts.

Mining undercarriage

MST offers a full range of undercarriage components for mining, quarry and heavy construction applications for machines weighing 100 to 400 tonnes, including Terex O&K, Bucyrus, Liebherr, Hitachi, Caterpillar. Komatsu and Demag mining machines. MST's Mine-track range includes large cast mining track assemblies, heavy duty cast idlers and sprockets and extreme duty track rollers.

Mining buckets

MST's sister company, Hi Spec manufacturing (HSM), specialise in the manufacture of mining rock and face shovel buckets and attachments. HSM's buckets are working in some of the world’s toughest quarry and mining applications and have proven their ability to withstand the extreme conditions. HSM buckets are designed to the customers exact specifications using Hardox Swedish Steel to ensure maximum wear life.

Mining wear parts

MST supply a comprehensive range of ground engaging tools to fit mining machines including quality bucket teeth, adapters, wear packages and cutting edges from the World’s leading wear parts manufacturers. MST are UK authorised distributors of Esco, ITR and Combi wear parts.


Mining excess stock


Part Number Description
Machine fitment
Free Stock Quantity
OK761/43 Track Chains To fit O&K RH75A 2
OK943/800*2246204 Track Shoes - Double Bar Grouser 800mm wide To fit O&K RH120C 2
2120825 Sprocket To fit O&K RH30D/E 1
2102521 Sprockets To fit O&K RH40D/E  2
2105569 Sprockets To fit O&K RH90C 2
OK946 Sprockets To fit O&K RH120C 8
2760154 Sprockets To fit O&K RH120E 2
1596579 Idler Group To fit O&K RH40D 1
OK1690 Top Roller To fit O & K RH120C & RH90C 1
OK506/2763198 Lower roller groups To fit O&K RH90C 11
A35100AV00 Lower roller groups To fit Caterpillar 6020 37
C35100A0V00 Top Roller To fit Caterpillar 6020 72
3510300V00 Idler Group To fit Caterpillar 6020 8
L3510200V49800 Track group assemblies 49 link fitted with 800mm shoes To fit Caterpillar 6020 2
CR4671-610/1S4222 Track shoes 24" Extreme service to fit Caterpillar D9R 86
CR4681/9W9991 Idler Group to fit Caterpillar D9R 1


Site services

300 tonne track press available for site fitting
Experienced mining fitters
Fully certified for mining work

Mining excess stock

O&K RH75C Berco Track Chains
O&K RH120 Sprockets
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