{"id":1852,"date":"2026-05-26T08:56:56","date_gmt":"2026-05-26T08:56:56","guid":{"rendered":"https:\/\/chinawormgearbox.xyz\/product\/wpo-vertical-mount-single-speed-worm-gear-reducer\/"},"modified":"2026-05-26T08:56:56","modified_gmt":"2026-05-26T08:56:56","slug":"wpo-vertical-mount-single-speed-worm-gear-reducer","status":"publish","type":"product","link":"https:\/\/chinawormgearbox.xyz\/id\/product\/wpo-vertical-mount-single-speed-worm-gear-reducer\/","title":{"rendered":"WPO Vertical Mount Single Speed Worm Gear Reducer"},"content":{"rendered":"
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WPO Vertical Mount Single Speed Worm Gear Reducer \u2014 Multi-Direction Installation for Space-Constrained Drive Systems<\/h1>\n

In modern machinery design, drive layout flexibility is as important as raw torque capacity. When floor space is limited, when a conveyor must turn a corner, or when a machine structure demands the gearbox mount at an unusual angle, the standard foot-mounted gearbox cannot always accommodate. The WPO vertical mount worm gear reducer<\/strong> is engineered specifically for versatile, multi-direction installation \u2014 providing up to six mounting configurations (A through F) that allow the same unit to be positioned horizontally, vertically, or at intermediate orientations to suit the machine architecture.<\/p>\n

Built on the same precision worm-and-wheel technology as the WPA series, the WPO delivers the same high-torque, smooth, low-noise speed reduction in 13 frame sizes<\/strong> (40\u2013250 mm) with ratios from 1\/5 to 1\/60. It is the go-to solution for agricultural machinery, construction equipment, material handling, and any application where the drive layout demands adaptability. Learn more about our capabilities on the Ever-power company page<\/a>, or contact us for a layout consultation<\/a>.<\/p>\n<\/section>\n

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Technical Specifications<\/h2>\n

WPO shares the same dimensional envelope as the WPX, with shaft-direction options configured for multi-orientation mounting (A\u2013F). Reference input speed 1500 r\/min<\/strong>. All dimensions in mm.<\/p>\n

\"WPO<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Size<\/th>\nRatio<\/th>\nA<\/th>\nAB<\/th>\nBB<\/th>\nBC<\/th>\nCC<\/th>\nM<\/th>\nN<\/th>\nE<\/th>\nE\u2081<\/th>\nE\u2082<\/th>\nG<\/th>\nZ<\/th>\nHS<\/th>\nU<\/th>\nT\u00d7V<\/th>\nLS<\/th>\nS<\/th>\nW\u00d7Y<\/th>\nWt(kg)<\/th>\nOil(L)<\/th>\n<\/tr>\n<\/thead>\n
40<\/td>\n1\/5\u20131\/60<\/td>\n143<\/td>\n87<\/td>\n74<\/td>\n45<\/td>\n40<\/td>\n94<\/td>\n184<\/td>\n70<\/td>\n74<\/td>\n86<\/td>\n10<\/td>\n10<\/td>\n25<\/td>\n12<\/td>\n4\u00d72.5<\/td>\n28<\/td>\n14<\/td>\n5\u00d73<\/td>\n5<\/td>\n0.36<\/td>\n<\/tr>\n
50<\/td>\n<\/td>\n175<\/td>\n108<\/td>\n97<\/td>\n50<\/td>\n50<\/td>\n116<\/td>\n220<\/td>\n90<\/td>\n93<\/td>\n102<\/td>\n15<\/td>\n12<\/td>\n30<\/td>\n12<\/td>\n4\u00d72.5<\/td>\n40<\/td>\n17<\/td>\n5\u00d73<\/td>\n6<\/td>\n0.50<\/td>\n<\/tr>\n
60<\/td>\n<\/td>\n198<\/td>\n120<\/td>\n112<\/td>\n55<\/td>\n60<\/td>\n126<\/td>\n260<\/td>\n100<\/td>\n105<\/td>\n120<\/td>\n20<\/td>\n12<\/td>\n40<\/td>\n15<\/td>\n5\u00d73<\/td>\n50<\/td>\n22<\/td>\n7\u00d74<\/td>\n10<\/td>\n0.60<\/td>\n<\/tr>\n
70<\/td>\n<\/td>\n231<\/td>\n140<\/td>\n131<\/td>\n65<\/td>\n70<\/td>\n156<\/td>\n295<\/td>\n120<\/td>\n130<\/td>\n150<\/td>\n20<\/td>\n15<\/td>\n40<\/td>\n18<\/td>\n5\u00d73<\/td>\n60<\/td>\n28<\/td>\n7\u00d74<\/td>\n15<\/td>\n1.10<\/td>\n<\/tr>\n
80<\/td>\n<\/td>\n261<\/td>\n160<\/td>\n142<\/td>\n70<\/td>\n80<\/td>\n175<\/td>\n320<\/td>\n140<\/td>\n130<\/td>\n150<\/td>\n20<\/td>\n15<\/td>\n50<\/td>\n22<\/td>\n7\u00d74<\/td>\n65<\/td>\n32<\/td>\n10\u00d74.5<\/td>\n20<\/td>\n1.50<\/td>\n<\/tr>\n
100<\/td>\n<\/td>\n322<\/td>\n190<\/td>\n169<\/td>\n100<\/td>\n100<\/td>\n200<\/td>\n375<\/td>\n190<\/td>\n180<\/td>\n26<\/td>\n26<\/td>\n15<\/td>\n50<\/td>\n25<\/td>\n7\u00d74<\/td>\n75<\/td>\n38<\/td>\n10\u00d74.5<\/td>\n35<\/td>\n4.00<\/td>\n<\/tr>\n
120<\/td>\n<\/td>\n371<\/td>\n219<\/td>\n190<\/td>\n100<\/td>\n120<\/td>\n210<\/td>\n450<\/td>\n220<\/td>\n185<\/td>\n215<\/td>\n30<\/td>\n18<\/td>\n65<\/td>\n30<\/td>\n7\u00d74<\/td>\n85<\/td>\n45<\/td>\n12\u00d74.5<\/td>\n50<\/td>\n5.20<\/td>\n<\/tr>\n
135<\/td>\n<\/td>\n422<\/td>\n249<\/td>\n190<\/td>\n100<\/td>\n135<\/td>\n220<\/td>\n450<\/td>\n230<\/td>\n210<\/td>\n235<\/td>\n30<\/td>\n18<\/td>\n65<\/td>\n30<\/td>\n7\u00d74<\/td>\n85<\/td>\n45<\/td>\n12\u00d74.5<\/td>\n50<\/td>\n5.20<\/td>\n<\/tr>\n
147<\/td>\n<\/td>\n432<\/td>\n256<\/td>\n210<\/td>\n114<\/td>\n147<\/td>\n302<\/td>\n558<\/td>\n250<\/td>\n250<\/td>\n230<\/td>\n32<\/td>\n18<\/td>\n75<\/td>\n35<\/td>\n10\u00d74.5<\/td>\n95<\/td>\n55<\/td>\n16\u00d76<\/td>\n96<\/td>\n8.50<\/td>\n<\/tr>\n
155<\/td>\n<\/td>\n497<\/td>\n295<\/td>\n252<\/td>\n140<\/td>\n155<\/td>\n350<\/td>\n590<\/td>\n290<\/td>\n245<\/td>\n295<\/td>\n35<\/td>\n21<\/td>\n85<\/td>\n40<\/td>\n12\u00d75<\/td>\n110<\/td>\n60<\/td>\n18\u00d77<\/td>\n115<\/td>\n9.30<\/td>\n<\/tr>\n
175<\/td>\n<\/td>\n534<\/td>\n314<\/td>\n255<\/td>\n155<\/td>\n175<\/td>\n394<\/td>\n640<\/td>\n320<\/td>\n287<\/td>\n323<\/td>\n40<\/td>\n21<\/td>\n85<\/td>\n45<\/td>\n14\u00d75.5<\/td>\n110<\/td>\n65<\/td>\n18\u00d77<\/td>\n140<\/td>\n10.5<\/td>\n<\/tr>\n
200<\/td>\n<\/td>\n580<\/td>\n342<\/td>\n319<\/td>\n175<\/td>\n200<\/td>\n440<\/td>\n710<\/td>\n370<\/td>\n290<\/td>\n360<\/td>\n40<\/td>\n24<\/td>\n95<\/td>\n50<\/td>\n14\u00d75.5<\/td>\n125<\/td>\n70<\/td>\n20\u00d77.5<\/td>\n200<\/td>\n12.7<\/td>\n<\/tr>\n
250<\/td>\n<\/td>\n705<\/td>\n420<\/td>\n385<\/td>\n200<\/td>\n250<\/td>\n510<\/td>\n860<\/td>\n440<\/td>\n350<\/td>\n440<\/td>\n45<\/td>\n28<\/td>\n110<\/td>\n60<\/td>\n18\u00d77<\/td>\n155<\/td>\n90<\/td>\n25\u00d79<\/td>\n340<\/td>\n23.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* E, E\u2081, E\u2082 = output shaft dimensional data. Shaft direction positions A\u2013F available for WPO (six orientations vs three for WPX). Lubrication oil fill level must be adjusted for non-horizontal mounting.<\/p>\n<\/section>\n

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Product Structure \u2014 Multi-Direction Mounting Design<\/h2>\n
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\"WPO<\/div>\n
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The WPO housing uses the same precision-cast FC25 grey iron body as the WPX, but the output shaft bearing arrangement is reinforced to handle the additional radial loads associated with vertical and inclined mounting configurations. Oil fill plugs are located on multiple housing faces, ensuring adequate lubrication regardless of mounting orientation.<\/p>\n\n\n\n\n\n\n\n
Housing<\/td>\nFC25 grey cast iron; oil plugs on multiple faces for multi-orientation mounting<\/td>\n<\/tr>\n
Shaft Directions<\/td>\nUp to 6 configurations: A, B, C, D, E, F \u2014 horizontal, vertical, and intermediate<\/td>\n<\/tr>\n
Output Shaft<\/td>\nSingle solid shaft; dual output (WPX) not available on WPO<\/td>\n<\/tr>\n
Bearings<\/td>\nReinforced output shaft bearings for vertical\/inclined load vectors<\/td>\n<\/tr>\n
Lubrication<\/td>\nSplash oil bath; fill level adjusted per mounting orientation per installation guide<\/td>\n<\/tr>\n
Worm Pair<\/td>\n20CrMnTi worm (\u226558 HRC) + ZCuSn10Pb1 bronze wheel \u2014 same as WPA\/WPS<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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\u2705 Key Features & Benefits<\/h2>\n
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Six Mounting Orientations<\/h3>\n

Up to six configurable shaft-direction positions (A\u2013F) allow the WPO to be installed horizontally, vertically, with the output shaft pointing upward or downward, or at intermediate angles \u2014 the broadest mounting flexibility in the WP series. Keywords: multi-direction mount worm gearbox, vertical worm reducer.<\/em><\/p>\n<\/div>\n

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Space-Efficient Drive Solutions<\/h3>\n

The ability to orient the gearbox vertically reduces the horizontal footprint of a drive system by up to 60% compared to horizontal foot-mounted alternatives \u2014 critical in compact machines, lift systems, and multi-level conveyor layouts with limited floor space.<\/p>\n<\/div>\n

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\ufe0f<\/div>\n

Rugged Cast Iron Housing<\/h3>\n

FC25 grey cast iron body with reinforced output shaft bearing bores handles the additional combined radial and axial loads inherent in vertical and inclined drive configurations, ensuring long bearing life even under sustained cantilever loading.<\/p>\n<\/div>\n

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\u2699\ufe0f<\/div>\n

Precision Worm & Wheel for Smooth Drive<\/h3>\n

Ground 20CrMnTi worm and ZCuSn10Pb1 bronze wheel deliver smooth, quiet (\u226472 dB(A)) speed reduction with efficiency of 60\u201390% per ratio. Inherent self-locking at ratios \u22651\/30 provides a passive safety feature for vertical lifting applications.<\/p>\n<\/div>\n

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Multi-Position Lubrication System<\/h3>\n

Oil fill and drain plugs are located on multiple housing faces, ensuring the oil level is correct regardless of mounting orientation. This design detail \u2014 absent in many competitor products \u2014 is essential for maintaining adequate lubrication in vertical and inclined installations.<\/p>\n<\/div>\n

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Full Size & Ratio Range<\/h3>\n

13 frame sizes (40\u2013250 mm) and 9 ratios (1\/5\u20131\/60) provide the widest possible application coverage for the WPO, from light-duty agricultural equipment to heavy construction machinery auxiliary drives.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Industry Applications<\/h2>\n

The WPO multi-direction worm reducer is specified wherever standard horizontal foot-mounting is not possible or practical:<\/p>\n

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Agricultural Machinery<\/strong>Gate openers, irrigation pump drives, feed conveyor drives, and harvester auxiliary systems where the drive must accommodate unusual mounting angles in the field environment.<\/span><\/div>\n

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Construction Equipment<\/strong>Concrete mixer drives, gate hoist drives, and scaffold material hoists benefiting from the WPO’s vertical mounting capability and self-locking torque-hold feature.<\/span><\/div>\n

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Gate & Door Automation<\/strong>Commercial and industrial gate, door, and barrier systems where the drive must be mounted vertically within the gate post structure with minimum footprint.<\/span><\/div>\n

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Lifting & Hoisting Equipment<\/strong>Light-duty goods lifts, scissor lift table drives, and platform elevators using the WPO’s self-locking worm gearing (\u22651\/30) as a passive load-holding device.<\/span><\/div>\n

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Marine & Offshore Equipment<\/strong>Deck winch auxiliaries, hatch cover drives, and hydraulic ram auxiliary drives on vessels and offshore platforms where space constraints require vertical or inclined gearbox mounting.<\/span><\/div>\n

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Greenhouse & Irrigation Systems<\/strong>Automated vent opening mechanisms, irrigation pivot drives, and sorting conveyor systems in agricultural production facilities requiring compact, multi-angle drive solutions.<\/span><\/div>\n<\/div>\n<\/section>\n

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Quality Control & Certification<\/h2>\n
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ISO 9001:2015 & CE<\/h3>\n

Full ISO 9001:2015 QMS with CE Declaration of Conformity per shipment. Suitable for EU and Australian market entry. The WPO’s multi-position oil-fill design is verified per the EN ISO 12100 machinery safety standard.<\/p>\n<\/div>\n

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Multi-Orientation Testing<\/h3>\n

WPO units are run-tested in both horizontal and vertical orientations to confirm adequate oil film formation and bearing lubrication in all specified mounting positions. Oil-seal leakage is verified in each orientation before shipment.<\/p>\n<\/div>\n

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Material Standards<\/h3>\n

Housing: FC25 cast iron (\u2265250 MPa). Worm: 20CrMnTi (\u226558 HRC). Wheel: ZCuSn10Pb1 tin-bronze. All materials comply with GB\/T standards; third-party inspection available on request.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Why Choose Ever-power for WPO Gearboxes<\/h2>\n
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\"Ever-power<\/div>\n
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We supply WPO multi-direction worm gearboxes to agricultural equipment OEMs, construction machinery builders, and marine equipment manufacturers across Italy, Canada, Saudi Arabia, Australia, and beyond. Our experienced team can specify the correct mounting position and verify the oil-fill level for any non-standard installation.<\/p>\n