{"id":2885,"date":"2025-05-14T13:56:08","date_gmt":"2025-05-14T11:56:08","guid":{"rendered":"https:\/\/allisonoffhighway.com\/sac-uk\/?page_id=2885"},"modified":"2025-12-18T14:15:01","modified_gmt":"2025-12-18T13:15:01","slug":"gear-types","status":"publish","type":"page","link":"https:\/\/allisonoffhighway.com\/sac-uk\/gear-types\/","title":{"rendered":"Gear Types"},"content":{"rendered":"

[vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1747925268199{background-color: #F1F1F1 !important;}”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″ offset=”vc_hidden-sm vc_hidden-xs”][\/vc_column][vc_column width=”5\/12″]

Gearbox Repair and Service<\/h2>[vc_separator color=”custom” align=”align_left” border_width=”4″ el_width=”30″ css=”” accent_color=”#0085CA”][vc_column_text css=””]We offer systematic gearbox repair services. Units are collected, stripped down, and detailed reports are generated with condition assessments and photographic evidence. These reports include fully-costed repair proposals. Damaged components are replaced with OEM or reverse-engineered parts. Once a repair plan is approved, units are rebuilt with new consumables, checked for limits, fits, and contact patterns.<\/p>\n

All rebuilt units are spin tested.[\/vc_column_text][\/vc_column][vc_column width=”5\/12″][vc_single_image image=”3103″ img_size=”full” css=””][\/vc_column][vc_column width=”1\/12″ offset=”vc_hidden-sm vc_hidden-xs”][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][\/vc_section][vc_section content_placement=”middle”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″ offset=”vc_hidden-sm vc_hidden-xs”][\/vc_column][vc_column width=”5\/12″][vc_single_image image=”2889″ img_size=”full” css=””][\/vc_column][vc_column width=”5\/12″]

Helical gearing<\/h2>[vc_separator color=”blue” align=”align_left” border_width=”4″ el_width=”30″ css=””][vc_column_text css=””]PIV, manufacture helical, bevel and bevel\/helical gearboxes that are acknowledged to be the best in the world. Through PIV we have gained an unrivalled understanding of these types of drives.[\/vc_column_text][\/vc_column][vc_column width=”1\/12″ offset=”vc_hidden-sm vc_hidden-xs”][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1747224451215{background-color: #F1F1F1 !important;}”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″][\/vc_column][vc_column width=”5\/12″]

Planetary gears<\/h2>[vc_separator color=”blue” align=”align_left” border_width=”4″ el_width=”30″ css=””][vc_column_text css=””]Our knowledge of planetary gearboxes, also known as epicyclic gearboxes, is second to none. We understand their design, their high torque and their exceptional mechanical capabilities \u2013 which makes us the logical choice for repair and refurbishment, no matter it\u2019s one of our own products or a product from another manufacturer.[\/vc_column_text][\/vc_column][vc_column width=”5\/12″][vc_single_image image=”2887″ img_size=”full” css=””][\/vc_column][vc_column width=”1\/12″][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][\/vc_section][vc_section content_placement=”middle”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″][\/vc_column][vc_column width=”5\/12″][vc_single_image image=”2891″ img_size=”full” css=””][\/vc_column][vc_column width=”5\/12″]

PIV legacy variators<\/h2>[vc_separator color=”blue” align=”align_left” border_width=”4″ el_width=”30″ css=””][vc_column_text css=””]PIV invented the world\u2019s first continuously variable transmission drives in Germany over 90 years ago \u2013 the Positively Infinitely Variable chain variator.
\nMany of PIV\u2019s subsequent drives are still in use, such is their longevity. We have experience of repairing and refurbishing all types and ages of PIV drives, all of which we regard with engineering admiration. If you have a PIV legacy variator that needs attention, please get in touch.[\/vc_column_text][\/vc_column][vc_column width=”1\/12″][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1747224465100{background-color: #F1F1F1 !important;}”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″][\/vc_column][vc_column width=”5\/12″]

Spur, bevels, worm and wheel<\/h2>[vc_separator color=”blue” align=”align_left” border_width=”4″ el_width=”30″ css=””][vc_column_text css=””]Spur, bevel, wheel gearboxes al have different mechanical characteristics that need to be understood if they are to be repaired or serviced properly. With years of experience we know our way around these gears better than anybody and can quickly and cost-effectively get units back to working with optimum efficiency.[\/vc_column_text][\/vc_column][vc_column width=”5\/12″][vc_single_image image=”2893″ img_size=”full” css=””][\/vc_column][vc_column width=”1\/12″][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][\/vc_section][vc_section content_placement=”middle”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″][\/vc_column][vc_column width=”5\/12″][vc_single_image image=”2895″ img_size=”full” css=””][\/vc_column][vc_column width=”5\/12″]

Extrusion gearboxes<\/h2>[vc_separator color=”blue” align=”align_left” border_width=”4″ el_width=”30″ css=””][vc_column_text css=””]Not only do we have vast experience of refurbishing single and twin-screw extruders, we also manufacture these gearboxes. This allows us to bring unrivalled technical expertise to their repair and maintenance.[\/vc_column_text][\/vc_column][vc_column width=”1\/12″][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][\/vc_section][vc_row full_width=”stretch_row_content_no_spaces” css=”.vc_custom_1766063699456{background-color: #214871 !important;}”][vc_column][vc_empty_space height=”70px”]

MAINTAIN \/ REPAIR \/ REPLACE \/ UPGRADE<\/h2>[vc_empty_space height=”70px”][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1747925268199{background-color: #F1F1F1 !important;}”][vc_row][vc_column][vc_empty_space height=”64px”][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/12″ offset=”vc_hidden-sm vc_hidden-xs”][\/vc_column][vc_column width=”5\/12″][vc_separator color=”custom” align=”align_left” border_width=”4″ el_width=”30″ css=”” accent_color=”#0085CA”][vc_column_text css=””]We offer systematic gearbox repair services. Units are collected, stripped down, and detailed reports are generated with condition assessments and photographic evidence. These reports include fully-costed repair proposals. Damaged components are replaced with OEM or reverse-engineered parts. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2885","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nGear Types - Allison Off-Highway - Sac UK<\/title>\n<meta name=\"description\" content=\"Planetary, helical, spur, bevel, worm and extrusion gearbox expertise: design, repair & refurbishment services by SAC UK.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gear Types - Allison Off-Highway - Sac UK\" \/>\n<meta property=\"og:description\" content=\"Planetary, helical, spur, bevel, worm and extrusion gearbox expertise: design, repair & refurbishment services by SAC UK.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/allisonoffhighway.com\/sac-uk\/gear-types\/\" \/>\n<meta property=\"og:site_name\" content=\"Allison Off-Highway - 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