{"id":2198,"date":"2026-05-08T03:14:28","date_gmt":"2026-05-08T03:14:28","guid":{"rendered":"https:\/\/pto-gearboxes.top\/?p=2198"},"modified":"2026-05-08T06:12:39","modified_gmt":"2026-05-08T06:12:39","slug":"pto-shaft-for-air-blast-sprayer-powering-orchard-vineyard-protection-across-the-uk","status":"publish","type":"post","link":"https:\/\/pto-gearboxes.top\/it\/application\/pto-shaft-for-air-blast-sprayer-powering-orchard-vineyard-protection-across-the-uk\/","title":{"rendered":"PTO Shaft for Air-Blast Sprayer: Powering Orchard & Vineyard Protection Across the UK"},"content":{"rendered":"
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UK Orchard & Vineyard Driveline Guide<\/div>\n

PTO Shaft for Air-Blast Sprayer: Powering Orchard & Vineyard Protection Across the UK<\/h2>\n
<\/div>\n

Engineered torque transmission for high-canopy spraying systems serving British growers from Kent to Perthshire \u2014 built for 540 \/ 1000 RPM duty, fitted with overrunning safety, and certified to ISO 5673.<\/p>\n<\/div>\n<\/div>\n

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The British orchard belt \u2014 Kent’s apple country, Herefordshire’s cider farms, the soft-fruit estates of Perthshire and Angus, and the expanding vineyard footprint across Sussex and Hampshire \u2014 runs on a single piece of agricultural ironmongery for canopy protection: the air-blast sprayer. Behind every successful spray pass against scab, mildew, or aphid pressure sits a component most operators rarely think about until it fails: the PTO shaft. This rotating link between tractor gearbox and sprayer fan housing carries every kilowatt of crankshaft power across to the pump and the axial-flow fan that lifts droplets through dense canopy.<\/p>\n

When the PTO shaft is correctly engineered to match a sprayer’s particular torque profile, blockage-free spraying through wet British summers becomes routine. When the wrong PTO shaft is fitted, growers face universal-joint failure, splined hub wear, fan kickback after disengagement, and \u2014 at worst \u2014 torn driveline shrouds at headland turns. What follows explains how a sprayer-grade PTO shaft is built, which specifications matter for orchard duty, and why our customisation programme answers questions other suppliers leave unanswered.<\/p>\n<\/div>\n

\"Heavy-duty<\/div>\n
\u2192 Request UK Quote & Datasheet<\/a><\/div>\n
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Why Operators Choose Our Sprayer-Grade Driveline<\/h2>\n

Six engineering decisions that separate a basic PTO shaft from one rated for axial-fan duty.<\/p>\n

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01<\/div>\n

Overrunning Clutch Built In<\/h3>\n

Heavy axial fans store enormous rotational inertia. Our PTO shaft integrates a one-way overrunning clutch that lets the impeller coast freely once the tractor disengages, preventing reverse-torque damage to gearbox internals.<\/p>\n<\/div>\n

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02<\/div>\n

CE-Compliant Telescopic Guard<\/h3>\n

A two-piece polymer guard meeting EN 12965 fully encloses the rotating tube and joints, with retaining chains anchored to non-rotating points \u2014 the configuration UK HSE inspectors expect on every farm during routine site visits.<\/p>\n<\/div>\n

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03<\/div>\n

Cold-Drawn Profile Tubing<\/h3>\n

The telescopic inner and outer profiles of every PTO shaft we ship are cold-drawn from C45 steel and induction-treated for surface hardness, eliminating the chatter that ruins economy-grade lemon or triangular tubes within a single season.<\/p>\n<\/div>\n

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04<\/div>\n

Forged Yoke & Cross Assembly<\/h3>\n

Hot-forged 20CrMnTi yokes paired with case-carburised journal crosses (HRC 58\u201362) handle the cyclic loading of fan-driven duty cycles where torque can spike during cold-weather start-up on early-spring frost protection runs.<\/p>\n<\/div>\n

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05<\/div>\n

Dynamic Balance to ISO 1940<\/h3>\n

Each completed assembly is dynamic-balanced to grade G6.3, suppressing vibration that otherwise transmits through the headstock and accelerates pump-shaft seal failure \u2014 particularly relevant for sustained 1000 RPM running.<\/p>\n<\/div>\n

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06<\/div>\n

Service-Friendly Greasing<\/h3>\n

Cross journals carry through-and-through grease galleries with metric zerk fittings on every yoke ear, so an operator can lubricate the entire PTO shaft from one accessible side at a 50-hour interval without removing the guard.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Inside the Driveline: Principle, Materials, Execution<\/h2>\n

An air-blast sprayer is the heaviest power consumer in the plant-protection toolkit. After power leaves the tractor’s rear stub, it enters the input gearbox of the sprayer and immediately splits along two demanding paths. Path one sends torque to a piston or diaphragm pump that pressurises the chemical tank up to 40\u201360 bar, generating the fine atomised droplet curtain. Path two \u2014 the heavier path \u2014 runs through a step-up gear set to drive a large axial-flow fan whose blades shred the droplet curtain a second time and propel the resulting fog deep into the canopy at velocities of 30 m\/s and beyond.<\/p>\n

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The PTO shaft is therefore not transmitting smooth, steady torque. It transmits a composite load spectrum: low-frequency pulsations from the reciprocating pump superimposed on the high-frequency torsional ripple of fan blade pass. Cheap shafts fail at the cross trunnion under this combined stress, often within 200\u2013300 operating hours. Our sprayer specification routes the same loads through hardened bearing surfaces, properly preloaded needle rollers, and seal lips that exclude the abrasive copper-and-sulphur dust that orchard spraying always generates.<\/p>\n<\/div>\n

\"Cutaway<\/div>\n<\/div>\n

Material selection across the assembly reflects the loading profile. Outer shrouds are formed from hot-rolled coil steel, electro-galvanised then powder-coated for corrosion resistance against fungicide drift. Profile tubes are C45 steel, cold-drawn to lemon, triangular, splined, or star geometries depending on the matching gearbox input. Wide-angle CV variants \u2014 increasingly specified for compact orchard tractors with tight headland turns \u2014 use 80\u00b0 constant-velocity joints with chrome-vanadium spider arms.<\/p>\n<\/div>\n

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Technical Specification Reference<\/h2>\n

Performance envelope for our most-specified air-blast sprayer driveline series. Custom variants available for tractors from 45 hp through 180 hp.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nEP-S40 Series<\/th>\nEP-S60 Series<\/th>\nEP-S80 Series<\/th>\n<\/tr>\n<\/thead>\n
Rated Tractor Power<\/td>\n45\u201370 hp<\/td>\n70\u2013110 hp<\/td>\n110\u2013180 hp<\/td>\n<\/tr>\n
Input Speed Options<\/td>\n540 RPM<\/td>\n540 \/ 1000 RPM<\/td>\n1000 RPM<\/td>\n<\/tr>\n
Continuous Torque<\/td>\n620 Nm<\/td>\n980 Nm<\/td>\n1,420 Nm<\/td>\n<\/tr>\n
Profile Tube<\/td>\nLemon T40<\/td>\nTriangular S5<\/td>\nStar 6 \/ Splined<\/td>\n<\/tr>\n
Cross Journal Material<\/td>\n20Cr Carburised<\/td>\n20CrMnTi HRC 60<\/td>\n20CrMnTi HRC 62<\/td>\n<\/tr>\n
Joint Angle (Standard \/ Wide)<\/td>\n35\u00b0 \/ 50\u00b0<\/td>\n35\u00b0 \/ 80\u00b0 CV<\/td>\n35\u00b0 \/ 80\u00b0 CV<\/td>\n<\/tr>\n
Overrunning Clutch<\/td>\nOptional RA1<\/td>\nStandard RA2<\/td>\nStandard RA3<\/td>\n<\/tr>\n
Closed Length Range<\/td>\n610\u20131,210 mm<\/td>\n710\u20131,410 mm<\/td>\n810\u20131,610 mm<\/td>\n<\/tr>\n
Compliance<\/td>\nISO 5673 \/ EN 12965<\/td>\nISO 5673 \/ EN 12965<\/td>\nISO 5673 \/ EN 12965<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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Application Scenarios Across British Horticulture<\/h2>\n

Every PTO shaft we ship into the United Kingdom is fitted to a specific operating environment. Climate, canopy density, row spacing and tractor footprint vary noticeably between regions, and the driveline configuration follows the application.<\/p>\n

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\"Apple<\/p>\n

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Apple & Pear Orchards (Kent, Herefordshire)<\/h3>\n

High-density M9 plantings with trellis systems demand a 540 RPM, narrow-profile PTO shaft with extended sliding travel to absorb the pitching motion of compact tractors on wet alleyways during apple-scab spray windows.<\/p>\n<\/div>\n<\/div>\n

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\"Vineyard<\/p>\n

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English Vineyards (Sussex, Hampshire, Essex)<\/h3>\n

Sparkling-wine estates favour a wide-angle CV PTO shaft for crawler tractors that turn tightly between vine rows; downy mildew and powdery mildew programmes call for the sustained 1000 RPM duty profile.<\/p>\n<\/div>\n<\/div>\n

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\"Soft<\/p>\n

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Soft-Fruit Estates (Perthshire, Angus)<\/h3>\n

Polytunnel raspberry and blueberry production uses ultra-compact orchard sprayers; the supplied PTO shaft must operate within tight headroom, calling for a shorter closed length and lower-profile guard geometry.<\/p>\n<\/div>\n<\/div>\n

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\"Hop<\/p>\n

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Hop Gardens (Worcestershire, East Sussex)<\/h3>\n

Tall hop bines reaching 6 metres need vertical air projection. The matching PTO shaft handles peak loads from oversized fans driven through high step-up ratios \u2014 the upper end of our EP-S80 specification range.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

Beyond canopy crops, the same PTO shaft architecture extends to specialist uses such as Christmas-tree plantations in mid-Wales, ornamental nurseries in Lincolnshire, and biosecurity dust-suppression on poultry-unit access roads. The constants are heavy fan inertia, abrasive working environments, and operators who simply cannot afford unscheduled downtime during a four-week treatment window.<\/p>\n<\/div>\n

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Customer Success Story<\/div>\n

Cherrybrook Farms \u2014 A Kent Apple Producer Solves a Persistent Driveline Failure<\/h2>\n
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Client<\/div>\n
Cherrybrook Farms Ltd, Faversham, Kent<\/div>\n<\/div>\n
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Sector<\/div>\n
Commercial Apple Production, 142 ha<\/div>\n<\/div>\n
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Equipment<\/div>\n
2,000 L Trailed Air-Blast, 95 hp Tractor<\/div>\n<\/div>\n<\/div>\n

The Problem<\/h3>\n

Across the 2024 spraying calendar, Cherrybrook’s farm manager logged three separate cross-trunnion failures on the same OEM-supplied PTO shaft. Each failure stranded a 95 hp Massey Ferguson mid-block during a critical scab-protection window, and each replacement cost a half-day of lost coverage. The original equipment driveline lacked an overrunning clutch, and shock loading from the 78 cm axial fan’s coast-down was visibly deforming the input yokes.<\/p>\n

Our Solution<\/h3>\n

Working from telephone measurements and dimensional drawings supplied by the farm engineer, we configured an EP-S60 Series PTO shaft with an integral RA2 overrunning clutch on the implement side, a triangular S5 profile to match the existing input gearbox, and an extended sliding travel of 240 mm to absorb the headland tractor pitching. Air-freight delivery from our Hangzhou facility to Heathrow inside ten days kept the farm covering ground during the next spray pass.<\/p>\n

The Outcome<\/h3>\n

Through the entire 2025 spraying season \u2014 running across 142 hectares of orchard and a programme of 14 spray passes \u2014 the replacement PTO shaft completed the calendar without a single downtime event. Cherrybrook’s farm manager has since standardised on the EP-S60 specification across both of their air-blast sprayers and has placed a forward order for the 2026 fleet refresh.<\/p>\n<\/div>\n

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Voices From The Field<\/h2>\n
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“<\/div>\n

Switched two of our trailed sprayers over to this PTO shaft after losing patience with cheap aftermarket replacements. Two seasons in, no failures, and the overrunning clutch has saved my gearbox more than once on tight headlands.<\/p>\n

James Holloway<\/div>\n
Vineyard Manager, West Sussex<\/div>\n<\/div>\n
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“<\/div>\n

Their engineering team rang me back the same day with a CAD drawing matching the input flange of an old Italian sprayer we run. Bespoke length, custom shear-bolt rating, delivered to Hereford in a fortnight. Properly impressed.<\/p>\n

Margaret Whitfield<\/div>\n
Cider Apple Grower, Herefordshire<\/div>\n<\/div>\n
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“<\/div>\n

As an OEM building airflow sprayers for the Scottish soft-fruit market, we needed a PTO shaft supplier who could ship in volume on tight tooling tolerances. Their batch consistency over 18 months has been the best we’ve measured.<\/p>\n

Andrew Mackenzie<\/div>\n
Procurement Director, OEM Sprayer Builder, Angus<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Inside Our Factory: Custom Engineering, Built To Spec<\/h2>\n

Ever Power operates 18,500 m\u00b2 of in-house manufacturing across two facilities in Hangzhou. Forging, CNC turning of yokes, induction heat treatment, electro-galvanising, dynamic balancing and final assembly all happen under one ISO 9001:2015 certified roof. That vertical integration is why we can quote a custom PTO shaft<\/a> for a British orchard fleet inside 48 hours and ship inside 10\u201314 working days for non-stocked variants.<\/p>\n

Get a Quote \u2192<\/a><\/p>\n<\/div>\n

\"PTO<\/div>\n<\/div>\n
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48 hr<\/div>\n
Custom Quote Turnaround<\/div>\n<\/div>\n
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10-14<\/div>\n
Days Lead Time (Custom)<\/div>\n<\/div>\n
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ISO 9001<\/div>\n
Quality Certification<\/div>\n<\/div>\n
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38<\/div>\n
Export Markets Served<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Frequently Asked Questions From UK Buyers<\/h2>\n

Voice-search optimised answers to the questions British orchard managers, vineyard procurement leads, and OEM sprayer manufacturers ask most often.<\/p>\n

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\nHow much does a heavy-duty PTO shaft for an air-blast sprayer cost in the UK?<\/summary>\n
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UK landed pricing for a sprayer-rated PTO shaft typically runs between \u00a3180 and \u00a3620 depending on series, length, profile, and whether an overrunning clutch is fitted. Volume buyers and OEM accounts receive tiered discounting. We supply a firm, all-inclusive quote within two working days of receiving your tractor and sprayer specifications.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nWhich PTO shaft supplier ships fastest to British orchards in scab season?<\/summary>\n
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For stocked specifications, we ship from our Hangzhou warehouse via air freight to Heathrow with onward courier to your farm gate inside seven to ten calendar days. Custom-built variants take ten to fourteen working days. We hold buffer stock of common UK profiles year-round and prioritise sprayer customers during peak scab and mildew windows.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nWhat is the price difference between a 540 RPM and 1000 RPM PTO shaft for vineyard work?<\/summary>\n
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A 1000 RPM PTO shaft for vineyard duty generally costs eight to fifteen percent more than its 540 RPM equivalent because of the higher dynamic-balance grade and the heavier-duty cross journal specification needed to handle sustained high-speed operation. For estates running both speeds, our dual-speed adapter saves the cost of two separate drivelines.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nWhere can I buy a CE-marked PTO shaft for orchard sprayers in the United Kingdom?<\/summary>\n
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All our drivelines ship CE-marked under EN 12965 and ISO 5673 with a UK Declaration of Conformity included in the documentation pack. Order directly through our sales team for the original-equipment specification, or specify Ever Power as your preferred PTO shaft brand when configuring a new air-blast sprayer with a UK dealership.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nHow do I know which PTO shaft fits my Massey Ferguson tractor and trailed sprayer combination?<\/summary>\n
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Send us four measurements: tractor PTO stub spline (commonly 1-3\/8 inch six-spline or 21-spline), sprayer input flange details, the closed-length distance between yoke ears at the shortest tractor-sprayer position, and the open-length distance at the maximum extension. Our application engineers cross-reference these against our PTO shaft database and recommend the correct part inside one working day.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nWhich type of overload protection should an English vineyard PTO shaft use?<\/summary>\n
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For axial-fan sprayers in vineyards we recommend an overrunning clutch as the primary safety device. Where chemical pumps are particularly susceptible to slug-loading from chemical changeover, an additional friction torque limiter on the input side of the PTO shaft prevents shock damage to both tractor gearbox and pump drivetrain.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nWhat lubrication schedule should an orchard operator follow on a sprayer PTO shaft?<\/summary>\n
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Grease the cross journals every fifty operating hours using a lithium-complex EP2 grease, and grease the profile tube sliding members every eight hours during heavy spraying. Pump grease until fresh lubricant emerges from all four bearing seals, then wipe excess to keep the area free of fungicide residue build-up.<\/p>\n<\/div>\n<\/div>\n<\/details>\n

\nCan a UK hop garden manager order a custom-length PTO shaft directly from your factory?<\/summary>\n
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Yes. End-user direct orders are welcome from UK farm businesses, and there is no minimum order quantity for custom-length specifications. Email your dimensional sketch and tractor model to our sales team and we will return an itemised quote, freight included to your nearest deep-water port or airport, within two working days.<\/p>\n<\/div>\n<\/div>\n<\/details>\n<\/div>\n<\/div>\n

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Ready To Specify Your Next Sprayer Driveline?<\/h2>\n

Talk to our application engineers. Send your tractor model, sprayer make, and required closed length \u2014 we will return a CAD-checked configuration with UK landed pricing inside two working days.<\/p>\n

\u2709 Email sales@pto-gearboxes.top<\/a><\/p>\n

\"PTO<\/div>\n<\/div>\n
edit by gzl<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

UK Orchard & Vineyard Driveline Guide PTO Shaft for Air-Blast Sprayer: Powering Orchard & Vineyard Protection Across the UK Engineered torque transmission for high-canopy spraying systems serving British growers from Kent to Perthshire \u2014 built for 540 \/ 1000 RPM duty, fitted with overrunning safety, and certified to ISO 5673. The British orchard belt \u2014 […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[4283],"tags":[],"class_list":["post-2198","post","type-post","status-publish","format-standard","hentry","category-application"],"_links":{"self":[{"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/posts\/2198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/comments?post=2198"}],"version-history":[{"count":5,"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/posts\/2198\/revisions"}],"predecessor-version":[{"id":2246,"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/posts\/2198\/revisions\/2246"}],"wp:attachment":[{"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/media?parent=2198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/categories?post=2198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pto-gearboxes.top\/it\/wp-json\/wp\/v2\/tags?post=2198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}