{"id":1369,"date":"2026-06-23T06:16:16","date_gmt":"2026-06-23T06:16:16","guid":{"rendered":"https:\/\/pto-gearbox.net\/?p=1369"},"modified":"2026-06-23T06:17:06","modified_gmt":"2026-06-23T06:17:06","slug":"sprayer-gear-unit-gearbox-pto-drive-for-agricultural-spray-pumps","status":"publish","type":"post","link":"https:\/\/pto-gearbox.net\/zh\/sprayer-gear-unit-gearbox-pto-drive-for-agricultural-spray-pumps\/","title":{"rendered":"\u55b7\u96fe\u5668\u9f7f\u8f6e\u7bb1\u2014\u2014\u519c\u4e1a\u55b7\u96fe\u6cf5\u52a8\u529b\u8f93\u51fa\u8f74\u9a71\u52a8\u88c5\u7f6e"},"content":{"rendered":"
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\u55b7\u96fe\u5668\u9f7f\u8f6e\u7bb1\u2014\u2014\u519c\u4e1a\u55b7\u96fe\u6cf5\u52a8\u529b\u8f93\u51fa\u8f74\u9a71\u52a8\u88c5\u7f6e<\/h1>\n

Chemical-resistant PTO speed increasers for centrifugal, diaphragm, and piston spray pumps \u2014 precise output speed, FKM sealing, and years of crop protection service.<\/p>\n

Request Specifications<\/a><\/p>\n<\/div>\n<\/div>\n

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<\/p>\n

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1:1 \u2013 1:7.5<\/div>\n
Speed-Increase Ratio<\/div>\n<\/div>\n
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15 \u2013 60 HP<\/div>\n
PTO Power Range<\/div>\n<\/div>\n
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300 \u2013 4,000<\/div>\n
Output RPM Range<\/div>\n<\/div>\n
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FKM<\/div>\n
Chemical-Grade Seals<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

What Is a Sprayer Gear Unit Gearbox?<\/h2>\n

\u4e00\u4e2a sprayer gear unit gearbox<\/strong> is a PTO-driven speed-changing transmission that converts the tractor PTO speed (540 or 1,000 RPM) into the specific output speed required by the spray pump. Unlike most agricultural gearboxes that reduce speed and multiply torque, the majority of sprayer applications require the opposite: speed increase \u2014 boosting 540 RPM to 3,000 or 4,000 RPM for centrifugal pumps. This speed-increasing duty creates a unique engineering profile where the output shaft runs 5 to 7 times faster than the input, the torque at the output is correspondingly lower, and the gear mesh operates in the high-speed regime where noise, heat generation, and bearing fatigue from sustained high RPM become the dominant design challenges.<\/p>\n

\u8fd9 sprayer gear unit gearbox<\/strong> also operates in a uniquely aggressive chemical environment. Agricultural chemicals \u2014 herbicides, fungicides, insecticides, and tank-mix adjuvants \u2014 contain organic solvents, acids, alkalis, and surfactants that attack standard sealing materials and unprotected metal surfaces. While the gearbox itself does not carry chemical fluid, spray drift, tank overflow, and refill spillage routinely deposit chemical on the gearbox exterior. Any chemical that reaches a worn seal lip can migrate along the shaft surface into the bearing compartment, contaminating the oil and initiating corrosion on precision bearing surfaces. Chemical-resistant design is therefore not an option but a fundamental requirement for any spray pump gearbox<\/strong> intended for multi-season crop protection service.<\/p>\n

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Three Pump Types, Three Gearbox Profiles<\/h2>\n
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Agricultural sprayers use three primary pump types, each demanding a fundamentally different \u52a8\u529b\u8f93\u51fa\u8f74\u53d8\u901f\u7bb1<\/a> ratio from the sprayer gear unit gearbox<\/strong>. Centrifugal pumps \u2014 the workhorses of boom spraying \u2014 generate high flow (150 to 500 L\/min) at low to moderate pressure (3 to 8 bar) and must spin at 3,000 to 4,000 RPM. From a 540 RPM PTO this requires a speed-increase ratio of 1:5.5 to 1:7.5 \u2014 the highest step-up ratio in any standard agricultural gearbox application. From a 1,000 RPM PTO the ratio drops to 1:3 to 1:4, achievable in a simpler single-stage bevel design.<\/p>\n

Diaphragm pumps \u2014 used for medium-pressure work (8 to 25 bar, 50 to 250 L\/min) \u2014 run at 400 to 900 RPM, requiring 1:1 direct drive or a modest 1:1.5 to 1:1.7 increase from 540 RPM PTO. Piston pumps for high-pressure specialty applications (25 to 80 bar) run at 300 to 700 RPM, typically using direct drive or slight speed reduction. The sprayer gearbox ratio<\/strong> must be precisely matched to the pump type \u2014 using a centrifugal-ratio gearbox on a diaphragm pump would spin it at 4 to 5 times its rated speed, causing immediate mechanical destruction.<\/p>\n<\/div>\n

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\"Sprayer<\/div>\n

Sprayer gear unit gearbox \u2014 speed-increasing right-angle drive for centrifugal pump applications<\/p>\n<\/div>\n<\/div>\n

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\n\n\n\n\n\n\n\n
\u6cf5\u7c7b\u578b<\/th>\nSpeed (RPM)<\/th>\n\u538b\u529b<\/th>\nFlow Rate<\/th>\nGear Ratio (540 PTO)<\/th>\n<\/tr>\n<\/thead>\n
\u79bb\u5fc3\u5f0f<\/td>\n3,000 \u2013 4,000<\/td>\n3 \u2013 8 bar<\/td>\n150 \u2013 500 L\/min<\/td>\n1:5.5 \u2013 1:7.5<\/td>\n<\/tr>\n
Diaphragm<\/td>\n400 \u2013 900<\/td>\n8 \u2013 25 bar<\/td>\n50 \u2013 250 L\/min<\/td>\n1:1 \u2013 1:1.7<\/td>\n<\/tr>\n
\u6d3b\u585e<\/td>\n300 \u2013 700<\/td>\n25 \u2013 80 bar<\/td>\n20 \u2013 120 L\/min<\/td>\n1:1 \u2013 1:0.7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Speed-Increasing Gearbox Design: Engineering in Reverse<\/h2>\n

Most agricultural gearboxes are speed reducers \u2014 the output turns slower than the input, and torque is multiplied. A PTO speed increase gearbox for sprayer<\/strong> applications reverses this relationship: the output turns faster than the input, and the torque is divided. A 1:6 speed increaser receiving 540 RPM and 795 Nm at the input (60 HP) delivers 3,240 RPM at only 127 Nm \u2014 just 16 percent of the input torque. While the lower output torque reduces gear tooth stress compared to a same-ratio reducer, the high output speed introduces engineering challenges that speed reducers do not face.<\/p>\n

At 3,000 to 4,000 RPM the output bearings experience significantly higher rotational fatigue cycling than the 15 to 540 RPM bearings in most agricultural gearboxes. The bearing L10 life calculation includes speed as a direct factor \u2014 doubling the speed halves the theoretical bearing life at the same load. High-quality deep-groove ball bearings with C3 internal clearance (allowing for thermal expansion at operating temperature) and synthetic grease fill rated for sustained high-speed operation are essential for the output position. Angular contact bearings may be specified for gearboxes that must also resist axial thrust from the pump coupling.<\/p>\n

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Why Speed Accuracy Matters: The Pump Affinity Laws<\/div>\n

Centrifugal pumps follow the affinity laws: flow is proportional to speed, pressure is proportional to speed squared, and power is proportional to speed cubed. A 5 percent speed error from the sprayer gear unit gearbox<\/strong> produces a 10 percent pressure error at the nozzle and a 16 percent power error at the input. This sensitivity makes output speed stability (target: \u00b11 percent under all operating conditions) a critical quality parameter for centrifugal spray pump gearbox<\/strong> applications \u2014 far more important than in low-speed, high-torque gearboxes where modest speed variation has no downstream consequence.<\/p>\n<\/div>\n

\"\u519c\u4e1a\u55b7\u96fe\u5668\u53d8\u901f\u7bb1\"<\/div>\n

<\/p>\n

Chemical Resistance: FKM Seals and Corrosion Protection<\/h2>\n

Agricultural chemical formulations include organic solvents (xylene, hydrocarbon carriers in emulsifiable concentrates), acidic adjuvants (pH 3 to 4), alkaline glyphosate concentrates (pH 10 to 11), and aggressive non-ionic surfactants that attack standard NBR (nitrile) shaft seals within months of exposure. A sprayer gearbox chemical resistant<\/strong> specification must address every external surface and sealing interface that contacts spray drift or spillage.<\/p>\n

Sprayer gearbox FKM seals<\/strong> (fluoroelastomer, also marketed under the Viton trade name) resist organic solvents, mineral acids, alkalis, and surfactants at concentrations that destroy NBR rapidly. FKM also provides higher temperature tolerance (continuous rating to 200 degrees Celsius vs. 120 degrees for NBR) \u2014 beneficial for the high-speed output bearing position where shaft surface temperatures can reach 80 to 100 degrees during sustained spraying at full pump load. Double-lip FKM seals with a grease-purged intermediate chamber add a secondary barrier: the outer lip deflects spray drift, the pressurised grease layer traps fine chemical mist, and the inner lip maintains oil seal integrity.<\/p>\n

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Sealing Package<\/div>\n

FKM double-lip seals at all shaft exits. Grease-purged intermediate chambers re-greased every 50 to 100 hours. Sealed check-valve breather preventing chemical-laden air ingestion. FKM O-rings at all housing split-line joints.<\/p>\n<\/div>\n

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Housing Protection<\/div>\n

Epoxy powder coating at 80+ micrometres (standard acrylic paint degrades under chemical exposure). Stainless steel or zinc-nickel plated external fasteners. Stainless steel drain plugs and inspection covers. Corrosion-resistant sight glass housing.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Speed Stability and Pressure Pulsation Control<\/h2>\n

Nozzle pressure pulsation \u2014 the enemy of uniform chemical application \u2014 originates from two sources: inherent pump pulsation (each diaphragm stroke or piston stroke produces a pressure pulse) and speed pulsation introduced by \u52a8\u529b\u8f93\u51fa\u8f74\u53d8\u901f\u7bb1<\/a> and driveline dynamics. The sprayer gear unit gearbox<\/strong> can control the second source through low-backlash gears, properly preloaded bearings, and high mesh efficiency that minimise speed variation under changing pump load.<\/p>\n

\u4e3a\u4e86 sprayer gearbox for centrifugal pump<\/strong> applications, target speed stability is plus or minus 1 percent under all operating conditions. This allows the spray pressure regulation system to maintain plus or minus 2 percent pressure accuracy at the nozzles \u2014 translating into plus or minus 1 percent application rate accuracy, well within the agronomic tolerance for chemical application. Gearbox-induced speed pulsation from Hooke-joint driveline variation (approximately plus or minus 3 percent at 10 degrees operating angle) can be eliminated with a constant-velocity PTO driveline for sprayers operating on undulating terrain where driveline angles regularly exceed 8 to 10 degrees.<\/p>\n

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Diaphragm and piston pump gearboxes face an additional challenge: the reciprocating pump action generates torsional oscillation in the gearbox output shaft at the pump stroke frequency. A three-diaphragm pump at 600 RPM produces 1,800 pulsations per minute \u2014 a high-frequency torsional excitation that can resonate with the gearbox gear mesh frequency if the natural frequencies coincide. Gearbox manufacturers must verify that no torsional resonance exists within the normal operating speed range (plus or minus 15 percent of rated speed) to prevent the amplified vibration, noise, and accelerated bearing wear that resonance produces.<\/p>\n

Multi-output boom sprayer gearbox<\/strong> configurations that drive both the spray pump and a hydraulic pump for boom folding and section valve actuation must distribute the available PTO power between both outputs without cross-coupling the speed variations. An intermediate layshaft with separate gear meshes to each output prevents the variable hydraulic pump load from modulating the spray pump speed \u2014 maintaining the application rate accuracy that is the primary function of the spraying system.<\/p>\n<\/div>\n

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\"PTO<\/div>\n

PTO speed increase gearbox \u2014 precision output for centrifugal spray pump drive<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Technical Specifications at a Glance<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u89c4\u683c<\/th>\nValue \/ Range<\/th>\n<\/tr>\n<\/thead>\n
\u8f93\u5165\u901f\u5ea6<\/td>\n540 RPM (standard) \/ 1,000 RPM (high-power)<\/td>\n<\/tr>\n
\u8f93\u51fa\u901f\u5ea6<\/td>\n300 \u2013 4,000 RPM (pump-type dependent)<\/td>\n<\/tr>\n
\u6bd4\u7387\u8303\u56f4<\/td>\n1:0.7 to 1:7.5 (reduction to speed increase)<\/td>\n<\/tr>\n
Power Rating<\/td>\n15 \u2013 60 HP continuous<\/td>\n<\/tr>\n
\u9f7f\u8f6e\u7c7b\u578b<\/td>\nSpiral bevel (single-stage) \/ bevel + spur (two-stage)<\/td>\n<\/tr>\n
Gear Hardness<\/td>\n58 \u2013 62 HRC (case-carburised)<\/td>\n<\/tr>\n
Output Bearings<\/td>\nDeep-groove ball (C3 clearance) or angular contact<\/td>\n<\/tr>\n
Shaft Seals<\/td>\nFKM double-lip with grease-purged intermediate chamber<\/td>\n<\/tr>\n
\u77f3\u6cb9\u89c4\u683c<\/td>\nSynthetic PAO EP ISO VG 220<\/td>\n<\/tr>\n
\u6362\u6cb9\u5468\u671f<\/td>\n300 \u2013 500 hours or annually<\/td>\n<\/tr>\n
Housing Coating<\/td>\nEpoxy powder, 80+ \u00b5m (chemical-resistant)<\/td>\n<\/tr>\n
Gearbox Weight<\/td>\n8 \u2013 25 kg (pump-type dependent)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

PTO Driveline Matching for Sprayer Applications<\/h2>\n

The PTO driveline connecting the tractor to the sprayer gear unit gearbox must accommodate the specific requirements of speed-increasing duty. At 1:6 ratio the input shaft receives 540 RPM while the output delivers 3,240 RPM \u2014 but the U-joints in the PTO driveline operate at input speed only and therefore experience lower rotational fatigue than a same-power high-speed application. However, the driveline operating angle is critical: at angles exceeding 8 to 10 degrees, standard Hooke-joint U-joints generate twice-per-revolution speed variation of approximately plus or minus 3 percent \u2014 a pulsation that transmits directly through the gearbox to the pump and produces corresponding pressure fluctuation at the nozzles.<\/p>\n

For trailed sprayers operating on undulating terrain where driveline angles regularly exceed 10 degrees, a constant-velocity (CV) PTO driveline eliminates this speed pulsation entirely. The additional cost of a CV joint (typically 30 to 50 percent more than a standard U-joint driveline) is justified by the improved application rate uniformity that results from eliminating speed-pulsation-induced pressure variation. Series 4 PTO drivelines are adequate for most sprayer applications (15 to 50 HP) \u2014 the relatively low torque at the gearbox input (compared to tillage or baling applications at the same HP) does not demand the higher Series ratings used for heavy-duty implements. Telescoping spline tube overlap must allow for the full range of drawbar articulation during turning without bottoming out or separating the spline engagement.<\/p>\n

Sprayer Gearbox Oil Type and Lubrication<\/h2>\n

The correct sprayer gearbox oil type<\/strong> for centrifugal pump speed increasers is synthetic PAO EP ISO VG 220 \u2014 the same grade used in most right-angle agricultural gearboxes but in synthetic rather than mineral base stock. At 3,000 to 4,000 RPM output speed the gear mesh generates higher oil temperatures (70 to 95 degrees Celsius) than the same gearbox would produce at 540 RPM, and synthetic PAO maintains its viscosity-temperature curve more consistently than mineral oil at these elevated temperatures. The synthetic base stock also resists oxidation degradation at the higher sustained temperatures \u2014 extending oil life by 40 to 60 percent compared to mineral equivalents.<\/p>\n

For diaphragm and piston pump gearboxes operating at modest output speeds (400 to 900 RPM), mineral ISO VG 220 EP oil is acceptable unless the operating environment requires cold-weather starting capability (below minus 5 degrees Celsius) \u2014 in which case synthetic PAO is specified for its superior low-temperature fluidity. Oil volume in sprayer gearboxes is small (typically 0.3 to 1.5 litres), so the cost difference between mineral and synthetic fill is minimal \u2014 making synthetic the default recommendation for all sprayer applications regardless of speed or climate.<\/p>\n

\"PTO\u53d8\u901f\u7bb1\u7ef4\u4fee\u8f66\u95f4\"<\/div>\n

<\/p>\n

Seasonal Maintenance Schedule<\/h2>\n
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Pre-Season Preparation<\/div>\n

Oil change with fresh synthetic PAO ISO VG 220. Visual inspection of all FKM seals for chemical-induced hardening or cracking. Output bearing rotation check \u2014 spin by hand, feel for roughness or drag. PTO\u4f20\u52a8\u8f74<\/a> U-joint greasing and wear assessment. Pump pressure and flow verification under load.<\/p>\n<\/div>\n

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During Spray Season<\/div>\n

Daily oil level and leak check before first application. Visual seal inspection after each spraying day for chemical-induced degradation. Weekly exterior cleaning with clean water to remove chemical dust accumulation that traps moisture and initiates corrosion. Re-grease seal intermediate chambers every 50 to 100 operating hours.<\/p>\n<\/div>\n

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Post-Season Storage<\/div>\n

Thorough exterior wash to remove all chemical residue \u2014 dried chemical deposits concentrate corrosive compounds. Top up oil. Apply protective grease to exposed shaft surfaces. Store away from chemical storage areas (vapour exposure degrades seals even without direct liquid contact). Note hours for next-season oil change planning.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Aftermarket Agricultural Sprayer Gearbox Replacement<\/h2>\n

Agricultural sprayer gearbox replacement<\/strong> is primarily driven by output bearing fatigue from sustained high-speed operation and seal degradation from chemical exposure \u2014 rather than the gear tooth wear that limits most lower-speed agricultural gearboxes. A well-maintained sprayer gearbox typically lasts 8 to 15 spraying seasons (1,500 to 4,000 operating hours depending on annual usage intensity). Cross-reference parameters include the input spline profile, the output shaft size and pump coupling type, the speed ratio, the mounting bolt pattern, and \u2014 critically \u2014 the chemical resistance specification (FKM vs. NBR seals, epoxy vs. acrylic coating).<\/p>\n

Our engineering team at Ever-Power Agricultural Gearbox<\/a> maintains cross-reference compatibility data for major sprayer and pump brands \u2014 verifying that the aftermarket gearbox matches the original unit in ratio, coupling dimensions, and chemical-resistance specification. Because sprayer gearboxes are smaller and lighter than most agricultural gearbox types, shipping lead times are typically shorter \u2014 often critical when a gearbox failure occurs mid-season and every day of spraying delay risks missing the optimal application window for time-sensitive herbicide or fungicide treatments.<\/p>\n

<\/p>\n

\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n
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\nWhat ratio does a centrifugal spray pump gearbox need?+<\/span><\/summary>\n
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1:5.5 to 1:7.5 speed increase from 540 RPM PTO (producing 3,000 to 4,000 RPM output). From 1,000 RPM PTO, the ratio drops to 1:3 to 1:4 \u2014 achievable in a simpler single-stage spiral bevel design. Ratios above 1:5 from 540 RPM typically require a two-stage gearbox (bevel plus spur).<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhy FKM seals instead of standard NBR?+<\/span><\/summary>\n
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Agricultural chemicals contain solvents, acids, and surfactants that swell and soften NBR within months of exposure. FKM resists these chemicals and provides higher temperature tolerance (200 vs. 120 degrees Celsius continuous) \u2014 important for the high-speed output bearing position where shaft surface temperatures reach 80 to 100 degrees. The 3 to 5 times higher per-seal cost is recovered through longer seal life and avoided bearing contamination.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nCan I use one gearbox for both centrifugal and diaphragm pumps?+<\/span><\/summary>\n
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No. Centrifugal pumps need 3,000 to 4,000 RPM (1:5.5+ ratio) while diaphragm pumps need 400 to 900 RPM (1:1 to 1:1.7 ratio). Using a centrifugal-ratio gearbox on a diaphragm pump would spin it at 4 to 5 times its rated speed, causing immediate mechanical destruction. Each pump type requires its own matched sprayer gear unit gearbox.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhat oil should I use in a sprayer gearbox?+<\/span><\/summary>\n
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Synthetic PAO EP ISO VG 220 for all sprayer gearbox types. At centrifugal pump speeds (3,000 to 4,000 RPM), synthetic maintains its viscosity curve better than mineral oil at the elevated operating temperatures (70 to 95 degrees Celsius). Oil volume is small (0.3 to 1.5 litres), so the cost difference between synthetic and mineral is negligible. Change every 300 to 500 hours or annually.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nHow much PTO power does spraying require?+<\/span><\/summary>\n
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15 to 50 PTO HP for trailed boom sprayers depending on tank size, boom width, and operating pressure. Higher-pressure applications (15 to 25 bar) and higher flow rates (300+ L\/min) consume more power. Multi-output gearboxes driving both spray pump and hydraulic boom functions may require 25 to 60 HP total.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nHow long does a sprayer gearbox last?+<\/span><\/summary>\n
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8 to 15 spraying seasons (1,500 to 4,000 operating hours) with proper maintenance. Life is primarily limited by output bearing fatigue from sustained high-speed operation and seal degradation from chemical exposure \u2014 rather than gear tooth wear. FKM seals and synthetic oil significantly extend total service life compared to NBR seals with mineral oil.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nDo you supply sprayer gear unit gearboxes?+<\/span><\/summary>\n
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Yes \u2014 we manufacture single-stage and two-stage speed-increasing gearboxes for centrifugal, diaphragm, and piston spray pump drive, with ratios from 1:0.7 (slight reduction) to 1:7.5 (high-speed increase). Chemical-resistance packages with FKM seals, epoxy housing coating, stainless fasteners, and sealed breathers available as factory-standard options. Contact our team with your pump model and PTO speed for a matched specification.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

<\/p>\n

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Spray Smarter with the Right Drive<\/h2>\n

Chemical-resistant sprayer gear unit gearboxes with precision speed output for every pump type \u2014 centrifugal, diaphragm, and piston \u2014 and every crop protection application.<\/p>\n

\u8054\u7cfb\u6211\u4eec\u7684\u5de5\u7a0b\u5e08<\/a><\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Sprayer Gear Unit Gearbox \u2014 PTO Drive for Agricultural Spray Pumps Chemical-resistant PTO speed increasers for centrifugal, diaphragm, and piston spray pumps \u2014 precise output speed, FKM sealing, and years of crop protection service. Request Specifications 1:1 \u2013 1:7.5 Speed-Increase Ratio 15 \u2013 60 HP PTO Power Range 300 \u2013 4,000 Output RPM Range FKM […]<\/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":[4042],"tags":[],"class_list":["post-1369","post","type-post","status-publish","format-standard","hentry","category-agricultural-gearbox"],"_links":{"self":[{"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/posts\/1369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/comments?post=1369"}],"version-history":[{"count":2,"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/posts\/1369\/revisions"}],"predecessor-version":[{"id":1373,"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/posts\/1369\/revisions\/1373"}],"wp:attachment":[{"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/media?parent=1369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/categories?post=1369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pto-gearbox.net\/zh\/wp-json\/wp\/v2\/tags?post=1369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}