{"id":13467,"date":"2026-08-27T05:13:00","date_gmt":"2026-08-27T05:13:00","guid":{"rendered":"https:\/\/miningspareparts.com\/en\/product\/trio17001140-main-shaft-assembly-for-tc84x-cone-crusher\/"},"modified":"2026-08-31T02:56:29","modified_gmt":"2026-08-31T02:56:29","slug":"trio17001140-main-shaft-assembly-for-tc84x-cone-crusher","status":"publish","type":"product","link":"https:\/\/miningspareparts.com\/fr\/produit\/trio17001140-main-shaft-assembly-for-tc84x-cone-crusher\/","title":{"rendered":"TRIO17001140 Main Shaft Assembly For TC84X Cone Crusher"},"content":{"rendered":"

TRIO17001140 \u2014 Head and Main Shaft Assembly (Short Head) for TC84X Cone Crusher<\/strong>. This is the rotating head-and-shaft assembly of the short-head version of the TC84X<\/strong> cone crusher, produced as a direct-fit after-market replacement for the OEM assembly. It carries the mantle and provides the eccentric-driven crushing motion; all major castings, forgings and welds are heat-treated and UT-checked before dispatch.<\/p>\n

The assembly reference number (TRIO TRIO17001140) corresponds to chapter 1.6 HEAD AND MAIN SHAFT ASSEMBLY<\/em> of the TC84X Parts Manual and contains 7 line items<\/strong> as listed below. Each part can be supplied individually or as a complete short-head main-shaft assembly; please quote the TRIO part number(s) when ordering.<\/p>\n

Aftermarket replacement parts compatible with TC84X cone crusher. Not affiliated with or endorsed by the original equipment manufacturer.<\/p>\n

1.6 Head and Main Shaft Assembly (Short Head) \u2014 TRIO17001140<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n
Num\u00e9ro de pi\u00e8ce<\/th>\nNom<\/th>\nQt\u00e9<\/th>\n<\/tr>\n<\/thead>\n
TRIO17001147<\/td>\nMAIN SHAFT, SHORTHEAD<\/td>\n1<\/td>\n<\/tr>\n
TRIO17001142<\/td>\nHEAD FINAL MACHINED WMT W\/ SEAL RING- SH<\/td>\n1<\/td>\n<\/tr>\n
TRIO17001146<\/td>\nMAINSHAFT CAP-SH<\/td>\n1<\/td>\n<\/tr>\n
TRIO17001141<\/td>\nTORCH RING<\/td>\n1<\/td>\n<\/tr>\n
TRIO17001009<\/td>\nORIFICE PLUG NPT1.5<\/td>\n1<\/td>\n<\/tr>\n
TRIO17001001<\/td>\nINPUT ORIFICE PLUG<\/td>\n1<\/td>\n<\/tr>\n
CMDY17000382<\/td>\nPLUG JB\/ZQ4447 NPT3\/4″<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Typical Applications<\/h3>\n

The TC84X short-head main-shaft assembly is used in secondary and tertiary crushing circuits where a finer product gradation is required. Compared with the standard (coarse-cavity) head, the short-head profile produces a higher proportion of finished-size particles in a single pass, making it the preferred cavity for:<\/p>\n

    \n
  • Hard-rock aggregate production (granite, basalt, diabase, gneiss)<\/li>\n
  • Iron-ore and copper-ore beneficiation plants (fine crushing stage)<\/li>\n
  • Recycled-aggregate and construction & demolition (C&D) processing lines<\/li>\n
  • Cement and lime-stone preparation circuits feeding ball mills<\/li>\n<\/ul>\n

    The head and main-shaft assembly is the rotating heart of the crusher and works in conjunction with the bowl assembly (chapter 1.7, TRIO5007838) to set the closed-side discharge opening. Inspection of the head casting, main shaft and mainshaft cap is recommended every 2,000 operating hours or whenever the mantle is replaced.<\/p>\n

    Frequently Asked Questions<\/h3>\n

    Q1. What material is the main shaft (TRIO17001147) made of?<\/strong>
    \nForged from 40CrNiMo alloy steel, quenched and tempered to a typical hardness of 280\u2013320 HB. Ultrasonic testing (UT) is performed on every forging before machining, and a test certificate is shipped with the part.<\/p>\n

    Q2. Can CASTEEL supply the head casting (TRIO17001142) and the cap (TRIO17001146) separately?<\/strong>
    \nYes. Both items are available as individual castings, with or without finish-machining. We can also supply them as a matched pair already fitted with the seal ring.<\/p>\n

    Q3. Is this assembly compatible with both TC84X and TC84XR models?<\/strong>
    \nYes. TRIO17001140 is the short-head main-shaft assembly for the TC84X platform; the same assembly fits the equivalent TC84XR model year \u2014 the TC84X \/ TC84XR naming is a commercial designation only. When ordering, simply quote the TRIO part number(s) shown in the table above.<\/p>\n

    Q4. What is the typical lead time?<\/strong>
    \nStandard lead time is 30\u201345 days for castings + 15\u201320 days for machining. Stocked main shafts and caps can be dispatched within 7\u201310 working days for urgent breakdown orders.<\/p>\n

    Q5. Do you provide a quality \/ test package?<\/strong>
    \nYes. Every shipment includes the material test certificate (MTC), UT report, dimensional inspection report, and a warranty certificate. Third-party inspection (SGS, BV, TUV) can be arranged on request.<\/p>\n

    About CASTEEL MiningSpares<\/h3>\n

    CASTEEL MiningSpares (est. 2003) is a Chinese foundry and machining supplier specialising in after-market wear and structural parts for cone, jaw, gyratory, VSI and hammer crushers. We hold ready stock of common TC84X and TC84XR line items and can tool up new patterns within 30 days for less common parts. All castings are produced in our own foundry under ISO 9001:2015 quality system, with T\u00dcV S\u00dcD audited manufacturing processes.<\/p>\n

    Send us your enquiry with the TRIO part number(s) or the equipment serial number and we will provide a quotation within 24 hours. Drawings, forging records and UT \/ MPI reports are available on request.<\/p>\n

    Related TC84X Assemblies<\/p>\n

      \n
    • TRIO17001222 \u2014 MAIN FRAME ASSEMBLY (chapter 1.1)<\/li>\n
    • TRIO17001205 \u2014 UPPER FRAME ASSEMBLY (chapter 1.2)<\/li>\n
    • TRIO17078213 \u2014 COUNTERSHAFT BOX ASSEMBLY (chapter 1.3)<\/li>\n
    • TRIO17001236 \u2014 SOCKET ASSEMBLY (chapter 1.4)<\/li>\n
    • TRIO17001188 \u2014 ECCENTRIC ASSEMBLY SHORT HEAD (chapter 1.5)<\/li>\n
    • TRIO5007838 \u2014 BOWL ASSEMBLY, SHF, TC84X (chapter 1.7)<\/li>\n<\/ul>\n

      Each sub-assembly can be quoted and supplied separately. CASTEEL MiningSpares holds ready stock of common TC84X wear and structural parts. Send us your parts list for a prompt quotation.<\/p>","protected":false},"excerpt":{"rendered":"

      TRIO17001140 Head and Main Shaft Assembly (Short Head) for TC84X cone crusher – direct-fit after-market replacement. 7-component assembly. In stock, MTC+UT provided.<\/p>","protected":false},"featured_media":13462,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[519],"product_cat":[57,224],"product_tag":[745,405,215,744,588,703,749,748,640,750],"class_list":["post-13467","product","type-product","status-publish","has-post-thumbnail","product_brand-trio","product_cat-crusher-spares","product_cat-assembly","product_tag-aftermarket-replacement","product_tag-cone-crusher","product_tag-conecrusherparts","product_tag-head-shaft-assembly","product_tag-mineral-processing","product_tag-tc84-cone-crusher","product_tag-tc84x-main-shaft","product_tag-tc84x-short-head","product_tag-trio-crusher-parts","product_tag-trio17001140","desktop-align-left","tablet-align-left","mobile-align-left","ast-product-gallery-layout-horizontal-slider","ast-product-tabs-layout-horizontal","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nTRIO17001140 Main Shaft Assembly For TC84X Cone Crusher - CASTEEL MiningSpares<\/title>\n<meta name=\"description\" content=\"TRIO17001140 Head and Main Shaft Assembly (Short Head) for TC84X cone crusher. 7-component after-market replacement. 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