{"id":1990,"date":"2026-04-17T09:04:59","date_gmt":"2026-04-17T09:04:59","guid":{"rendered":"https:\/\/planetary-gear-box.top\/product\/ever-power-ep-rpr3255-planetary-gearbox-replacement-of-brevini-riduttori-rpr3255-2\/"},"modified":"2026-04-17T09:04:59","modified_gmt":"2026-04-17T09:04:59","slug":"ever-power-ep-rpr3255-planetary-gearbox-replacement-of-brevini-riduttori-rpr3255-2","status":"publish","type":"product","link":"https:\/\/planetary-gear-box.top\/fa\/product\/ever-power-ep-rpr3255-planetary-gearbox-replacement-of-brevini-riduttori-rpr3255-2\/","title":{"rendered":"EVER POWER EP-RPR3255 Planetary Gearbox Replacement Of Brevini Riduttori RPR3255"},"content":{"rendered":"

EP-RPR3255 Planetary Gearbox<\/h1>\n

EVER POWER 3-Stage 44,000 Nm Planetary Gearbox with Cooling Fin and High Ratio<\/p>\n

The EP-RPR3255<\/strong> combines the 3-stage torque capacity of the RPR255 series with the integrated cooling fin flange<\/strong> of the RPR2255, delivering 44,000 Nm<\/strong> at ratios up to 200:1<\/strong> while maintaining safe oil temperatures in enclosed installations. Replacing Brevini riduttori RPR3255, this unit serves large marine gearrooms, large underground mining drives, enclosed offshore processing equipment and industrial furnace car drives<\/strong>.<\/p>\n

\"EP-RPR3255<\/p>\n

Technical Parameters<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nEP-RPR3255<\/td>\n<\/tr>\n
Replaces<\/td>\nBrevini riduttori RPR3255<\/td>\n<\/tr>\n
Max Output Torque<\/td>\n44,000 Nm<\/td>\n<\/tr>\n
Gear Stages<\/td>\n3<\/td>\n<\/tr>\n
Ratio Range<\/td>\n28:1 – 200:1<\/td>\n<\/tr>\n
Max Input Speed<\/td>\n2,400 rpm<\/td>\n<\/tr>\n
Protection Class<\/td>\nIP66<\/td>\n<\/tr>\n
Approx. Weight<\/td>\n~108 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Working Principle<\/h2>\n

\"EVER<\/p>\n

The 3-stage planetary train multiplies torque from input to output. The cooling fin flange on the output end bell dissipates frictional heat from the third stage, which operates at the highest torque ?? and therefore highest frictional losses ?? in the unit. A temperature bypass oil circulation groove<\/strong> channels hot oil from the third stage gear mesh zone past the fin flange before returning to the sump, maximising the cooling effect.<\/p>\n

Core Advantages<\/h2>\n\n\n\n\n
\n
● Fin Flange + 3-Stage Torque<\/strong>
Best of both features ?? passive cooling AND maximum torque in one unit.<\/div>\n<\/td>\n
\n
● Oil Circulation Groove<\/strong>
Channels hot oil from third stage to fin flange ?? maximises cooling effect.<\/div>\n<\/td>\n<\/tr>\n
\n
● VAR Steel Third Stage<\/strong>
Maximum fatigue life at 44,000 Nm output torque.<\/div>\n<\/td>\n
\n
● 200:1 in Single Housing<\/strong>
Eliminates tandem gearbox in very high reduction enclosed installations.<\/div>\n<\/td>\n<\/tr>\n
\n
● Direct RPR3255 Replacement<\/strong>
Matching flange dimensions ?? direct retrofit.<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n<\/table>\n

Structure and Material Technology<\/h2>\n

\"EVER<\/p>\n

Third stage gears use 18CrNiMo7-6 VAR steel<\/strong>, carburised to 1.1-1.4 mm. The cooling fin end bell is ADC12 aluminium alloy<\/strong>, anodised for corrosion resistance in salt-air environments. Housing main body is GGG70 nodular iron<\/strong>. All output shaft seals are double-lip FKM<\/strong> rated for 130 degC continuous oil temperature.<\/p>\n

Typical Application Scenarios<\/h2>\n\n\n\n\n\n\n\n\n
Industry<\/th>\nApplication<\/th>\nKey Requirement<\/th>\n<\/tr>\n<\/thead>\n
Offshore<\/td>\nLarge deck machinery enclosed gearroom<\/td>\nFin flange manages heat in sealed gearroom without external cooling circuit.<\/td>\n<\/tr>\n
Mining<\/td>\nLarge underground ore crusher drive<\/td>\n200:1 ratio + fin flange handles enclosed crusher drive in restricted tunnel space.<\/td>\n<\/tr>\n
Marine<\/td>\nLarge cargo vessel crane main drive<\/td>\n44,000 Nm handles heavy lift crane main drive in enclosed crane house.<\/td>\n<\/tr>\n
Furnace<\/td>\nIndustrial furnace car track drive<\/td>\nUltra-slow rotation of furnace car at high ambient temperature ?? fin flange essential.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Selection Guide<\/h2>\n
    \n
  1. Required Output Torque (Nm)<\/strong> ?? Confirm peak and continuous torque requirement with appropriate safety factor.<\/li>\n
  2. Gear Ratio<\/strong> ?? Motor speed (rpm) divided by required output speed (rpm).<\/li>\n
  3. Duty Cycle<\/strong> ?? Continuous S1 or intermittent S3\/S6; affects thermal de-rating.<\/li>\n
  4. Motor Interface<\/strong> ?? Flange type (SAE\/ISO), shaft diameter, keyway or spline specification.<\/li>\n
  5. Environment<\/strong> ?? IP class, ambient temperature, corrosion zone, orientation.<\/li>\n<\/ol>\n

    Contact our engineering team<\/a> for a free application sizing review.<\/p>\n

    Brevini RPR3255 vs. EVER POWER EP-RPR3255<\/h2>\n

    Important Notice:<\/strong> EVER POWER references the Brevini riduttori RPR3255 model number solely to assist customers in identifying a compatible replacement. We do not manufacture, sell, or claim any affiliation with Brevini. No trademarks or intellectual property of Brevini are reproduced or infringed. Our EP-RPR3255 is an independently designed and manufactured product that is dimensionally and functionally compatible.<\/p>\n\n\n\n\n\n\n\n\n\n
    Aspect<\/th>\nBrevini RPR3255<\/th>\nEVER POWER EP-RPR3255<\/th>\n<\/tr>\n<\/thead>\n
    Price<\/td>\nHigh OEM rate<\/td>\nCompetitive<\/td>\n<\/tr>\n
    Lead Time<\/td>\n10-18 weeks<\/td>\n4-6 weeks<\/td>\n<\/tr>\n
    Oil Circulation<\/td>\nNo std<\/td>\nBypass groove standard<\/td>\n<\/tr>\n
    Max Ratio<\/td>\nStandard<\/td>\n200:1<\/td>\n<\/tr>\n
    Warranty<\/td>\n12 months<\/td>\n18 months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \"EVER
    \nEVER POWER also supplies matched electric and hydraulic motors<\/strong> for complete drive system packages. Enquire about motor pairing.<\/a><\/p>\n

    Quality Certifications and Service Commitment<\/h2>\n