{"id":1332,"date":"2026-07-17T06:43:02","date_gmt":"2026-07-17T06:43:02","guid":{"rendered":"https:\/\/metalite.net\/?post_type=product&p=1332"},"modified":"2026-07-17T07:02:12","modified_gmt":"2026-07-17T07:02:12","slug":"s-series-planetary-gearbox","status":"publish","type":"product","link":"https:\/\/metalite.net\/kk\/product\/s-series-planetary-gearbox\/","title":{"rendered":"S Series Planetary Gearbox \u2014 Replacement for Brevini S300 to S20000, 34,000\u20132,170,000 Nm"},"content":{"rendered":"
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S Series \u00b7 Drop-In Brevini Riduttori Replacement<\/p>\n

S Series Industrial Planetary Gearbox \u2014 Replacement for Brevini S300 to S20000, 34,000\u20132,170,000 Nm<\/h2>\n

The S Series is a heavy-duty Planetary Gear Unit<\/strong> covering 13 frame sizes from S300 to S20000, with rated 10,000-hour torque from 34,000 Nm up to 2,170,000 Nm and peak torque capacity reaching 5,400,000 Nm. Mounting dimensions are fully consistent with Brevini Riduttori S-series units, and the performance parameters match closely enough for direct substitution \u2014 no interface modification required. The same dimensional interchangeability applies to equivalent models from Bonfiglioli, Bosch Rexroth, Comer Industries, Reggiana Riduttori, Rossi, and Zollern. This Planetary Speed Reducer<\/strong> is designed for the torque demands of conveyor drives, slewing rings, winch drums, and track-drive systems where continuous operation at rated load is the baseline, not the exception.<\/p>\n<\/div>\n

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2,170,000 Nm<\/p>\n

Max Rated Torque (10,000 h)<\/p>\n<\/div>\n

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5,400,000 Nm<\/p>\n

Peak Torque Capacity<\/p>\n<\/div>\n

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13 Sizes<\/p>\n

S300 \u2192 S20000<\/p>\n<\/div>\n

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7 Brands<\/p>\n

Cross-Compatible<\/p>\n<\/div>\n<\/div>\n

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S Series Planetary Gearbox \u2014 Torque Specifications by Frame Size<\/h2>\n

Rated torque figures are based on a 10,000-hour service life at continuous duty. Peak torque values represent the maximum permissible instantaneous load, applicable for brief shock events not exceeding 2 seconds in duration.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Frame Size<\/th>\nBrevini Cross-Ref<\/th>\nRated Torque @ 10,000 h (Nm)<\/th>\nPeak Torque (Nm)<\/th>\n<\/tr>\n<\/thead>\n
S300<\/td>\nBrevini S300<\/td>\n34,000<\/td>\n76,000<\/td>\n<\/tr>\n
S400<\/td>\nBrevini S400<\/td>\n40,000<\/td>\n84,000<\/td>\n<\/tr>\n
S600<\/td>\nBrevini S600<\/td>\n63,000<\/td>\n140,000<\/td>\n<\/tr>\n
S850<\/td>\nBrevini S850<\/td>\n88,000<\/td>\n195,000<\/td>\n<\/tr>\n
S1200<\/td>\nBrevini S1200<\/td>\n120,000<\/td>\n293,000<\/td>\n<\/tr>\n
S1800<\/td>\nBrevini S1800<\/td>\n168,000<\/td>\n390,000<\/td>\n<\/tr>\n
S2500<\/td>\nBrevini S2500<\/td>\n300,000<\/td>\n570,000<\/td>\n<\/tr>\n
S3500<\/td>\nBrevini S3500<\/td>\n430,000<\/td>\n810,000<\/td>\n<\/tr>\n
S5000<\/td>\nBrevini S5000<\/td>\n490,000<\/td>\n1,100,000<\/td>\n<\/tr>\n
S7500<\/td>\nBrevini S7500<\/td>\n712,000<\/td>\n1,800,000<\/td>\n<\/tr>\n
S10000<\/td>\nBrevini S10000<\/td>\n1,035,000<\/td>\n2,600,000<\/td>\n<\/tr>\n
S15000<\/td>\nBrevini S15000<\/td>\n1,500,000<\/td>\n3,750,000<\/td>\n<\/tr>\n
S20000<\/td>\nBrevini S20000<\/td>\n2,170,000<\/td>\n5,400,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u2605 Peak torque values are for instantaneous shock events only. Continuous operation at peak torque will reduce service life below 10,000 hours.<\/p>\n

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Multi-Brand Cross-Reference for This Planetary Gear Unit<\/h2>\n

The S Series mounting dimensions and shaft interfaces are verified against 7 major drive brands. If your existing installation uses any of the models listed below, this unit drops in without re-engineering the machine interface.<\/p>\n

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Brevini Riduttori<\/p>\n

S300\u2013S20000<\/p>\n<\/div>\n

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Bonfiglioli (Trasmital)<\/p>\n

Equivalent S range<\/p>\n<\/div>\n

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Bosch Rexroth<\/p>\n

GFT \/ GFS series<\/p>\n<\/div>\n

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Comer Industries<\/p>\n

Equivalent range<\/p>\n<\/div>\n

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Reggiana Riduttori<\/p>\n

Equivalent range<\/p>\n<\/div>\n

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Rossi<\/p>\n

Equivalent range<\/p>\n<\/div>\n

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Zollern<\/p>\n

Equivalent range<\/p>\n<\/div>\n<\/div>\n

Contact us with your existing model number and we will confirm the exact S Series frame size and variant that replaces it.<\/p>\n

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Key Design Features of the S Series Industrial Planetary Gearbox<\/h2>\n