{"id":1137,"date":"2026-08-20T06:48:15","date_gmt":"2026-08-20T06:48:15","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?post_type=product&p=1137"},"modified":"2026-08-20T06:48:15","modified_gmt":"2026-08-20T06:48:15","slug":"ep-900w-24v-tarpaulin-motor-for-dump-truck-with-reducer","status":"publish","type":"product","link":"https:\/\/superiortransmissioninc.com\/es\/producto\/ep-900w-24v-tarpaulin-motor-for-dump-truck-with-reducer\/","title":{"rendered":"EP-900W 24V Tarpaulin Motor for Dump Truck With Reducer"},"content":{"rendered":"
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Integrated Gear-Reduced DC Drive<\/p>\n

EP-900W 24V Tarpaulin Motor for Dump Truck With Reducer<\/h2>\n

Model XL09KW With Reducer \u2014 a compact, all-in-one tarp gear motor<\/strong> unit engineered for reliable, high-torque tarpaulin actuation on commercial dump trucks and tipper vehicles.<\/p>\n

Tarpaulin Motor\u00a0<\/a><\/div>\n<\/div>\n

<\/p>\n

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Technical Specifications \u2014 Model XL09KW Tarpaulin Motor With Reducer<\/h2>\n

All parameters are measured at rated conditions per Class F insulation standards. Dimensional data is extracted from the motor outline drawing provided for the XL09KW Tarpaulin Motor series.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Tarpaulin Motor Parameter<\/th>\nValor<\/th>\nNotas<\/th>\n<\/tr>\n<\/thead>\n
Modelo de motor<\/td>\nXL09KW With Reducer<\/td>\nTarpaulin Motor + Integrated Reducer<\/td>\n<\/tr>\n
Tensi\u00f3n nominal<\/td>\n24 V DC<\/td>\nOptional: 12V configuration<\/td>\n<\/tr>\n
Potencia nominal<\/td>\n900 W<\/td>\nMotor input power<\/td>\n<\/tr>\n
Corriente nominal<\/td>\n45 A<\/td>\nAt full rated load<\/td>\n<\/tr>\n
Rated Torque (Motor)<\/td>\n4 N\u00b7m<\/td>\nBefore gear reduction<\/td>\n<\/tr>\n
Ciclo de trabajo<\/td>\nS2 3min \u2013 30% ED<\/td>\nShort-time intermittent duty<\/td>\n<\/tr>\n
Clase de aislamiento<\/td>\nClass F<\/td>\nTemperatura m\u00e1xima de bobinado: 155 \u00b0C<\/td>\n<\/tr>\n
Clasificaci\u00f3n de protecci\u00f3n<\/td>\nIP67<\/td>\nFully waterproof & dustproof<\/td>\n<\/tr>\n
N\u00famero de dientes<\/td>\n1<\/td>\nDrive gear configuration<\/td>\n<\/tr>\n
Direcci\u00f3n de rotaci\u00f3n<\/td>\nSentido horario<\/td>\nStandard; reversible via wiring<\/td>\n<\/tr>\n
\u00c1mbito de aplicaci\u00f3n<\/td>\nDump Truck<\/td>\nTarpaulin cover drive systems<\/td>\n<\/tr>\n
Motor Body Diameter<\/td>\n\u00d8133 mm<\/td>\nMotor section outer diameter<\/td>\n<\/tr>\n
Longitud total<\/td>\n178.5 mm<\/td>\nMotor + reducer combined length<\/td>\n<\/tr>\n
Reducer Housing Width<\/td>\n120 mm<\/td>\nOutput flange side width<\/td>\n<\/tr>\n
Di\u00e1metro del eje de salida<\/td>\n\u00d825 mm<\/td>\nReducer output shaft (h7 tolerance)<\/td>\n<\/tr>\n
Reducer Flange OD<\/td>\n\u00d885 mm<\/td>\nOutput flange face diameter<\/td>\n<\/tr>\n
Motor Input Shaft (Internal)<\/td>\n\u00d88.5 mm<\/td>\nMotor-to-reducer coupling shaft<\/td>\n<\/tr>\n
Mounting Bolt<\/td>\nM8<\/td>\nStandard flange mounting pattern<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\"superiortransmissioninc-product-EP-900W<\/p>\n

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How the Tarpaulin Motor with Reducer Works<\/h2>\n

The XL09KW operates on the permanent magnet DC motor working principle<\/strong>, where direct current fed through terminals A1 and A2 energises the wound armature, generating a rotating electromagnetic field that interacts with the fixed stator magnets to produce shaft torque. What distinguishes this unit from a bare motor is the addition of an integrated worm-type reducer bolted coaxially to the motor output. This stage multiplies the torque produced by the motor while proportionally reducing the output shaft speed \u2014 the core mechanical trade-off that makes the assembly suitable for direct tarp drive without a separate gearbox.<\/p>\n

In practical terms: the motor spins at thousands of RPM and delivers 4 N\u00b7m at its shaft. The reducer steps the speed down and converts that kinetic energy into substantially higher torque at the final output shaft. For tarp operators, this means the tarpaulin cover receives a steadier, more forceful pull from the very start of each actuation stroke, with far less sensitivity to load variations from cover weight, debris accumulation, or partial mechanical resistance along the tarp rail system.<\/p>\n

Directional control is achieved the same way as any accionamiento de motor de CC<\/strong> \u2014 by reversing polarity at A1 and A2 from the cab switch, the output shaft reverses, rolling the cover in or out on command. The wiring diagram shows a simple two-terminal connection from the motor controller, and the IP67-sealed terminal block prevents water ingress at the connection point \u2014 a detail that matters significantly on dump truck platforms where the motor may be exposed to direct hose-down during vehicle washing. The S2 3min\u201330%ED duty cycle rating reflects the real intermittent-burst usage profile of tarp systems, keeping winding temperatures well within Class F limits throughout a full working day.<\/p>\n

<\/p>\n

\"XL09KW<\/div>\n<\/div>\n

<\/p>\n

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Five Reasons to Choose This Tarp Gear Motor<\/h2>\n
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\u2460 Integrated Reducer \u2014 One Unit, Less Complexity<\/h3>\n

By combining the DC motor and worm gearbox in a single bolted assembly, this tarp gear motor<\/strong> eliminates the coupling, alignment bracket, and separate gearbox housing that add cost and failure points to conventional two-piece setups. Installation is faster, the footprint is smaller, and there are fewer joints that could loosen under vibration over a truck’s service life.<\/p>\n<\/div>\n

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\u2461 IP67 Full Weatherproof Protection<\/h3>\n

The sealed housing protects both the motor windings and the reducer gear set from water, mud, and fine dust \u2014 the exact environmental mix that dump truck equipment encounters daily on quarry roads, demolition sites, and wet-weather construction routes. For fleet operators in high-rainfall regions such as Queensland, British Columbia, or the Netherlands, IP67 is a non-negotiable baseline for any electric tarp motor for dump truck<\/strong> fitment.<\/p>\n<\/div>\n

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\u2462 Boosted Output Torque via Gear Reduction<\/h3>\n

The motor’s 4 N\u00b7m input torque is multiplied through the worm reducer stage, delivering substantially higher force at the \u00d825 mm output shaft than a non-reduced motor of the same power rating could provide. This makes the unit particularly effective as a heavy duty tarpaulin motor for dump truck<\/strong> loads that are wider, heavier, or operate in conditions where cover tension is higher than normal \u2014 side-roll covers on large-body tipper trucks being a common example.<\/p>\n<\/div>\n

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\u2463 12V Option for Broad Vehicle Compatibility<\/h3>\n

Unlike the bare motor version which offers multiple voltage options up to 72V, the with-reducer variant is optimised for 24V standard and 12V optional configurations \u2014 targeting the two voltage systems found on the vast majority of conventional diesel dump trucks worldwide. This focused compatibility simplifies procurement for fleet maintenance teams sourcing a universal tarp motor for dump truck<\/strong> across mixed vehicle age groups.<\/p>\n<\/div>\n

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\u2464 Self-Locking Worm Gear \u2014 Tarp Stays in Position<\/h3>\n

A meaningful secondary benefit of worm-type gearing is inherent self-locking: when the motor is de-energised, the gear set prevents backdrive from the tarp cover load. The cover stays exactly where it was positioned \u2014 open, closed, or partially extended \u2014 without requiring a separate mechanical brake or hold circuit. This is a practical advantage for operators who park mid-cycle or need the tarp to remain stable during loading operations with elevated sides.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Materials & Manufacturing Standards<\/h2>\n

The motor section of the XL09KW uses the same core material set as the bare-motor variant. The stator housing is precision die-cast from high-strength aluminium alloy \u2014 chosen for its combination of corrosion resistance, thermal conductivity, and dimensional stability across temperature cycling. Silicon steel cold-rolled laminations form the stator core, minimising eddy-current losses and ensuring consistent magnetic circuit performance over the motor’s service life.<\/p>\n

The armature winding uses high-purity enamelled copper wire rated for Class F continuous temperature, wound with precision CNC coil-winding equipment to maintain balanced resistance between poles. The permanent magnets are sintered neodymium-iron-boron (NdFeB) grade, providing the high flux density that allows this motor to generate 4 N\u00b7m in a compact 133 mm diameter frame. NdFeB maintains its magnetic properties reliably through tens of thousands of thermal and electrical cycles \u2014 a critical factor for motors subject to frequent starts and stops across a dump truck’s daily route.<\/p>\n

The integrated reducer housing is cast from ductile iron, which provides significantly higher impact resistance than standard grey cast iron \u2014 important for a component mounted on a truck frame that transmits road vibration and occasional shock loads from rough terrain. The worm gear pair itself uses a hardened steel worm shaft meshing with a phosphor bronze worm wheel, a material combination chosen specifically for its low friction coefficient, self-lubricating properties, and resistance to wear under boundary lubrication conditions. The gear cavity is sealed and factory-filled with extreme-pressure (EP) gear lubricant for the motor’s rated service life under normal operating conditions.<\/p>\n

All tarpaulin motor parts<\/strong> pass through a final inspection process covering insulation resistance testing, no-load run-in, waterproof integrity at IP67 specification, and dimensional verification before shipment. The production facility operates under ISO 9001:2015<\/strong> certification, with documented material traceability and process control records maintained for each batch. This is the standard of build quality that fleet operators sourcing heavy duty tarp motor for dump truck<\/strong> replacement parts need to rely on for consistent field performance.<\/p>\n

<\/p>\n

\"Tarpaulin<\/div>\n<\/div>\n

<\/p>\n

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Where This Tarpaulin Motor Gets Used<\/h2>\n

The XL09KW with reducer suits any mobile tarpaulin system where the drive mechanism benefits from an integrated, torque-multiplied motor unit. Below are the main operating environments where this tarpaulin motor<\/strong> configuration delivers clear advantages over bare-motor alternatives:<\/p>\n

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Side-Roll Tarp Systems on Large Dump Trucks<\/h3>\n

Wide-body dump trucks carrying aggregates, sand, or demolition rubble require side-roll tarp covers that span considerable distances and carry their own structural weight. The gear-reduced output of the XL09KW provides the sustained torque these larger covers need without motor stalling or current overrun \u2014 a common failure mode of undersized dump truck tarp motor<\/strong> installations.<\/p>\n<\/div>\n

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Tipper Trailers & Dump Trailer Configurations<\/h3>\n

The compact combined profile of the XL09KW is well-suited for mounting in the tighter bodywork spaces typical of tipper semi-trailer tarp systems. As a dump trailer tarp motor<\/strong>, it handles the combination of tarp cover tension, highway wind loading, and repeated daily cycling across multi-drop delivery routes without maintenance intervention between service intervals.<\/p>\n<\/div>\n

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Grain & Agricultural Bulk Trailers<\/h3>\n

Large grain trailers require tarp covers that protect bulk loads from moisture during transit between field and storage. The self-locking characteristic of the worm gear reducer keeps the cover securely positioned during loading and unloading, without requiring the operator to actively hold or latch the cover open \u2014 a practical convenience in field conditions where both hands are often occupied.<\/p>\n<\/div>\n

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Covered Refuse & Recycling Collection Vehicles<\/h3>\n

Municipal collection vehicles operating on dense urban routes need a tarpaulin motor kit<\/strong> that cycles reliably dozens of times per shift without heat-related degradation. The S2 30%ED duty cycle gives operators a clear operational parameter \u2014 each cover cycle stays well within the motor’s thermal rating when used according to specification, giving fleet managers a predictable maintenance planning baseline.<\/p>\n<\/div>\n

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Mining & Quarry Haul Trucks \u2014 Compliant Load Covering<\/h3>\n

Environmental and road safety regulations across Australia, the UK, South Korea, and other markets mandate covered loads for unsealed aggregate and ore transport. The XL09KW’s IP67 housing keeps quarry dust out of the motor and reducer internals \u2014 significantly extending service intervals compared to open-frame motor alternatives in this particularly abrasive environment.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Motor Performance Characteristics<\/h2>\n

The motor performance curve for the XL09KW plots the relationship between speed (RPM), current (A), torque (N\u00b7m), voltage (V), and efficiency (%) across the operating range. The Motor de CC de alta velocidad<\/strong> no-load point sits at approximately 5000\u20136000 RPM drawing around 5A. As torque demand increases toward the 4 N\u00b7m rated point, the current rises linearly to 45A while speed drops to approximately 3000\u20133300 RPM. The gear reducer then converts this operating point into higher output shaft torque at proportionally lower RPM \u2014 the combination that makes the unit effective for tarp cover applications.<\/p>\n

Peak efficiency of the motor section occurs in the mid-torque range and exceeds 80%, which is significant for dump truck electrical systems where sustained high current draw affects alternator load and battery state. Operators working in high-cycle environments \u2014 such as ready-mix concrete delivery or multi-stop municipal routes \u2014 benefit from the reduced electrical load per cycle compared to less efficient motores el\u00e9ctricos de corriente continua<\/strong> of similar power ratings.<\/p>\n

\n\n\n\n\n\n\n\n\n
Operating Point<\/th>\nVelocidad (RPM)<\/th>\nCorriente (A)<\/th>\nPar motor (N\u00b7m)<\/th>\nEficiencia (%)<\/th>\n<\/tr>\n<\/thead>\n
No Load<\/td>\n~5500<\/td>\n~5<\/td>\n0<\/td>\n\u2014<\/td>\n<\/tr>\n
25% Load<\/td>\n~4700<\/td>\n~16<\/td>\n1.0<\/td>\n~78<\/td>\n<\/tr>\n
50% Load<\/td>\n~4100<\/td>\n~27<\/td>\n2.0<\/td>\n~85<\/td>\n<\/tr>\n
Rated Load (100%)<\/td>\n~3200<\/td>\n45<\/td>\n4.0<\/td>\n~82<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

<\/p>\n

\"EP-900W<\/div>\n

<\/p>\n

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Acerca de nuestra planta de fabricaci\u00f3n<\/h2>\n

With over ten years of hands-on production experience in mechanical power transmission, our facility designs and manufactures a broad range of drive components for industrial and agricultural applications. Our product line spans agricultural gearboxes, worm gear reducers, planetary gear drives, PTO drive shafts, hydraulic cylinders, transmission gears, roller chains, and DC electric motors \u2014 giving us first-hand engineering familiarity with the entire drivetrain context in which products like the XL09KW operate.<\/p>\n

We are ISO 9001:2015<\/strong> certified and operate dedicated production lines for motor winding, gear cutting, heat treatment, CNC turning and milling, and final assembly and testing. Custom gearbox and assembly production is available in ductile iron, cast iron, cast steel, precision investment cast steel, and cast aluminium \u2014 covering standard catalogue parts as well as non-standard dimensions and configurations developed in collaboration with OEM customers. Our engineering team provides documentation in English for international clients, including dimensional drawings, performance data sheets, and material certification.<\/p>\n

Taller<\/h3>\n
\n
\"Taller
\n\"Production
\n\"Cylinder
\n\"Welding<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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Complete Drive System \u2014 Related Products<\/h2>\n

Beyond the tarpaulin motor itself, we manufacture the full range of components that work alongside it in a complete tarp drive system. Sourcing motor and gearbox from a single production facility means matched interfaces, consistent quality documentation, and simplified after-sales support \u2014 a genuine one-stop supply advantage for integrators and fleet procurement teams.<\/p>\n

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Motores el\u00e9ctricos<\/a><\/h3>\n

Our full line of motores el\u00e9ctricos de corriente continua<\/strong> covers everything from compact peque\u00f1o motor de corriente continua<\/strong> units to high-power motor de CC de alto par<\/strong> configurations, including motor de corriente continua sin escobillas<\/strong> y motor BLDC<\/strong> variants for applications requiring longer brush-free service intervals. All share compatible mounting standards with the XL09KW series for easy system integration.<\/p>\n

\"Electric<\/p>\n<\/div>\n

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Caja de engranajes de tornillo sin fin<\/a><\/h3>\n

For applications where a standalone reducer is preferred \u2014 or where a different motor-gearbox ratio is required for a specific tarp cover size or weight \u2014 our separate worm gearbox range provides a wide selection of reduction ratios, input flanges, and output shaft configurations compatible with the EP-900W motor family. Ideal for custom tarpaulin drive builds.<\/p>\n

\"Worm<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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Preguntas frecuentes<\/h2>\n
\nWhat makes a tarpaulin motor with reducer better than a standalone motor for heavy duty dump truck applications in the UK construction industry?<\/summary>\n

An integrated reducer delivers significantly higher output torque at the drive shaft than a bare motor of the same power rating. For UK construction dump trucks \u2014 where tarp covers are often wider and heavier than agricultural equivalents \u2014 this torque multiplication is the difference between a motor that stalls under load and one that completes every cover cycle consistently.<\/p>\n<\/details>\n

\nHow do I select the right tarp gear motor voltage for my dump truck’s existing electrical system when operating across mixed fleet vehicles in Australia?<\/summary>\n

Most conventional diesel dump trucks in Australia run either 12V (light commercial) or 24V (heavy commercial) electrical systems. The XL09KW with reducer is available in both configurations from the factory. To confirm which you need, check the battery bank configuration: two 12V batteries in series gives 24V, which is the most common setup for heavy tipper trucks.<\/p>\n<\/details>\n

\nWhere can I find a reliable replacement tarpaulin motor with integrated reducer for a tipper trailer operating on construction routes in the Netherlands?<\/summary>\n

The XL09KW series is manufactured to IP67 and Class F insulation standards, with export documentation suitable for CE-environment markets including the Netherlands. Our logistics team ships to Rotterdam and other Dutch ports with full commercial documentation. Lead times for standard stock units are typically short. For fleet quantities, forward order agreements with scheduled delivery batches can be arranged \u2014 a practical option for fleet managers who need to hold a minimum inventory of tarpaulin motor replacement<\/strong> units without keeping excessive stock on-site.<\/p>\n<\/details>\n

\nWhen should a dump truck operator in Canada consider upgrading to a heavy duty tarpaulin motor with reducer instead of replacing the existing standard motor again?<\/summary>\n

If your current motor is burning out brushes, tripping thermal protection, or stalling on cold starts \u2014 particularly in Canadian winters where cover fabric stiffens significantly \u2014 these are signs the existing unit is undersized for the actual operating demand. An upgrade to the XL09KW with reducer addresses all three root causes: the reducer provides additional torque for cold-start and high-resistance conditions, the Class F insulation handles higher winding temperatures before thermal cutout, and the IP67 sealed housing prevents moisture ingress into the commutator during freeze-thaw cycling.<\/p>\n<\/details>\n

\nWhich type of DC motor is used in a tarpaulin motor for dump truck systems and how does it differ from a brushless DC motor in that application?<\/summary>\n

The XL09KW uses a permanent magnet brushed DC motor. This design is well-matched to dump truck tarp applications because brushed DC motors deliver high starting torque immediately, are straightforward to control with a simple polarity-reversing switch, and are easily serviced in the field when brush replacement eventually becomes necessary. A motor de corriente continua sin escobillas<\/strong> o motor BLDC<\/strong> offers longer service intervals between maintenance actions, but requires an electronic controller, adds cost, and is less forgiving of the voltage transients common in truck electrical systems. For most commercial dump truck tarp systems, the brushed permanent magnet design remains the practical choice.<\/p>\n<\/details>\n<\/div>\n<\/div>\n

Editor: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-900W tarpaulin motor with reducer is a purpose-built, gear-integrated DC drive unit designed for heavy-duty dump truck tarpaulin cover systems. Carrying model designation XL09KW With Reducer, this assembly combines a 900W permanent magnet DC motor with an inline worm-type gearbox reducer in a single compact housing \u2014 eliminating the need for a separately mounted gearbox, reducing installation complexity, and delivering higher usable torque directly at the tarp drive shaft.<\/p>\n

Rated at 24V with a 45A continuous current draw, the motor section develops 4 N\u00b7m of torque before gear reduction. After passing through the integrated reducer stage, the output torque available at the drive shaft climbs substantially, making this one of the most capable heavy duty tarpaulin motor configurations available for demanding dump truck applications. The motor operates on a S2 3min\u201330%ED duty cycle \u2014 precisely matched to the short-burst actuation pattern of tarp cover open\/close cycles \u2014 and the complete assembly carries an IP67 ingress protection rating, meaning it is fully sealed against water jets and fine dust intrusion.<\/p>","protected":false},"featured_media":1138,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[43],"product_tag":[],"class_list":["post-1137","product","type-product","status-publish","has-post-thumbnail","product_cat-tarpaulin-motor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/product\/1137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/media\/1138"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/media?parent=1137"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/product_brand?post=1137"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/product_cat?post=1137"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/product_tag?post=1137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}