{"id":4503,"date":"2020-04-13T21:30:14","date_gmt":"2020-04-13T21:30:14","guid":{"rendered":"http:\/\/mocktheorytest.com\/resources\/?p=4503"},"modified":"2020-04-13T21:30:27","modified_gmt":"2020-04-13T21:30:27","slug":"how-does-pto-work-on-a-lorry","status":"publish","type":"post","link":"https:\/\/mocktheorytest.com\/resources\/how-does-pto-work-on-a-lorry\/","title":{"rendered":"How does PTO work on a lorry?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">PTO, or power take off, is a way in which power can be diverted from the engine to power hydraulic or mechanical equipment. It&#8217;s very common on agricultural machinery, and its use on tractors, through a rotating shaft, causes frequent injury and even death, so much so that the Health and Safety Executive produces <a href=\"https:\/\/www.hse.gov.uk\/pubns\/ais40.pdf\">guidance material<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, on a lorry, it&#8217;s mostly different. Power take off is used to drive hydraulic equipment and there&#8217;s a huge variety of applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Bin lorry compactors<\/li><li>Hydraulic truck loader cranes and truck-mounted cranes<\/li><li>Power line maintenance for powering the bucket that lifts the engineer to the line<\/li><li>Car transporter ramps (the ones with two levels)<\/li><li>Container side loaders that self-load containers onto a skeletal trailer<\/li><li>Tipper lorries with hydraulic rams that lift the front in order to tip materials out the back<\/li><li>Lorries with attachments such as augers<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"340\" src=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/crane-at-building-site-on-road-600x340.jpg\" alt=\"\" class=\"wp-image-4507\" srcset=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/crane-at-building-site-on-road-600x340.jpg 600w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/crane-at-building-site-on-road-300x170.jpg 300w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/crane-at-building-site-on-road-768x435.jpg 768w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/crane-at-building-site-on-road-1536x871.jpg 1536w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/crane-at-building-site-on-road-2048x1161.jpg 2048w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>Truck loader crane at a building site<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">PTO is used where a battery would not have enough power or durability. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The driver switches PTO on using a switch in the cab. The revs should be increased to between 800-1000rpm to give the best performance, unless the unit has automated rpm increase as power is required. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"338\" src=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-switch-cu-600x338.jpg\" alt=\"\" class=\"wp-image-4508\" srcset=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-switch-cu-600x338.jpg 600w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-switch-cu-300x169.jpg 300w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-switch-cu-768x432.jpg 768w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-switch-cu-1536x864.jpg 1536w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-switch-cu.jpg 1920w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>PTO switch<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If the driver increases the revs, there will be a rotary knob to do this. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"338\" src=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-control-600x338.jpg\" alt=\"\" class=\"wp-image-4504\" srcset=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-control-600x338.jpg 600w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-control-300x169.jpg 300w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-control-768x432.jpg 768w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-control-1536x864.jpg 1536w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/pto-control.jpg 1920w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>PTO control<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In units that have automated rpm, it&#8217;s often a switch, for example on this Palfinger crane remote control unit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"384\" src=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/auto-rpm-for-pto-600x384.jpg\" alt=\"\" class=\"wp-image-4505\" srcset=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/auto-rpm-for-pto-600x384.jpg 600w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/auto-rpm-for-pto-300x192.jpg 300w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/auto-rpm-for-pto.jpg 685w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>Palfinger crane remote control showing a switch on the left that will increase rpm if pushed to the left or auto rpm if switched to the right.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">PTO has some disadvantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>More fuel is used, which is a cost<\/li><li>More <a href=\"https:\/\/dieselnet.com\/tech\/emi_intro.php\">pollution is created as the diesel is used<\/a><\/li><li>It&#8217;s noisier<\/li><li>Increased engine revs lead to <a href=\"https:\/\/www.millerwelds.com\/resources\/article-library\/how-using-pto-equipment-on-your-work-truck-costs-you-in-the-long-run\">more wear and tear on the engine<\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In some cases, batteries are used instead, for example for a taillift.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"http:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/taillift-operating-controls-600x450.jpg\" alt=\"\" class=\"wp-image-4506\" srcset=\"https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/taillift-operating-controls-600x450.jpg 600w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/taillift-operating-controls-300x225.jpg 300w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/taillift-operating-controls-768x576.jpg 768w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/taillift-operating-controls-1536x1152.jpg 1536w, https:\/\/mocktheorytest.com\/resources\/wp-content\/uploads\/2020\/04\/taillift-operating-controls-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>Taillift controls on a small <a href=\"https:\/\/mocktheorytest.com\/resources\/curtainside-lorry-safety-in-high-winds\/\">curtainside<\/a> lorry<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For <a href=\"https:\/\/mocktheorytest.com\/resources\/what-are-refrigerated-lorries-and-trailers-reefers\/\">chiller trailers and lorries<\/a>, there is a separate chiller unit with its own fuel source.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PTO, or power take off, is a way in which power can be diverted from the engine to power hydraulic or mechanical equipment. It&#8217;s very common on agricultural machinery, and its use on tractors, through a rotating shaft, causes frequent<span class=\"ellipsis\">&hellip;<\/span><\/p>\n<div class=\"read-more\"><a href=\"https:\/\/mocktheorytest.com\/resources\/how-does-pto-work-on-a-lorry\/\">Read more &#8250;<\/a><\/div>\n<p><!-- end of .read-more --><\/p>\n","protected":false},"author":2,"featured_media":4508,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-4503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advice"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How does PTO work on a lorry? - Highway Code Resources<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mocktheorytest.com\/resources\/how-does-pto-work-on-a-lorry\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How does PTO work on a lorry? - Highway Code Resources\" \/>\n<meta property=\"og:description\" content=\"PTO, or power take off, is a way in which power can be diverted from the engine to power hydraulic or mechanical equipment. 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