{"id":14457,"date":"2026-11-04T12:30:16","date_gmt":"2026-11-04T11:30:16","guid":{"rendered":"https:\/\/lubeteam.it\/?post_type=product&p=14457"},"modified":"2026-11-05T09:40:36","modified_gmt":"2026-11-05T08:40:36","slug":"borelli-group-1-speed-increaser-50000-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/borelli-group-1-speed-increaser-50000-series\/","title":{"rendered":"Borelli Group 1 Speed Increaser – 50000 Series"},"content":{"rendered":"

Applications and Operating Principle<\/h3>\n

The Borelli Group 1 Speed Increaser – 50000 Series is a mechanical component used to connect gear pumps to the power take-offs of agricultural tractors. Since the standard output speed of tractor PTOs is 540 rpm, the speed increaser adjusts this speed to the operating speeds required by hydraulic pumps. The system supports different input speeds, provided that the output speed of the speed increaser does not exceed the maximum limit of 3000 rpm.<\/p>\n

Construction Features and Materials<\/h3>\n

The unit features high-performance materials. The housings are manufactured from cast aluminium and high-strength cast iron. The internal gears, designed in strict compliance with ISO\/DIN 3990-80 standards, are manufactured from UNI 18NiCrMo5 steel. The gears feature a corrected, low-profile tooth design, an engineering solution that provides greater mechanical strength and ensures quiet operation. The shafts, including the 1″ 3\/8 male PTO shaft, are manufactured from UNI 16CrNi4 steel and connected to the gears through splined profiles, optimizing the transmission of the specified torque loads.<\/p>\n

Performance, Torque and Operating Temperatures<\/h3>\n

The operating torque ratings specified in the technical specifications of the Borelli Group 1 Speed Increaser – 50000 Series refer to continuous-duty operating conditions. When the speed increaser operates under intermittent-duty conditions, the specified torque ratings may be exceeded by up to 20%. The system is designed for demanding operating environments, ensuring thermal stability; however, the operating temperature during continuous duty must not exceed 120\u00b0C.<\/p>\n

Lubrication and Maintenance<\/h3>\n

To ensure optimal operation and extend the service life of the speed increaser, SAE 90 oil must be used (maximum oil capacity: 0.150 litres). Maintenance procedures require visual inspection of the oil level through the dedicated sight glass every 1500 operating hours. The first oil change must be performed after the initial 60-80 hours of operation.<\/p>\n

Pump Mounting<\/h3>\n

Installing hydraulic pumps onto the speed increaser requires a coupling half and an adapter flange suitable for the specific application (e.g. standard SAE 1 3\/8 DIN 9611 flange configuration). When configuring and ordering the unit, it is necessary to specify the flange type and the shaft specifications of the pump being used.<\/p>\n

Technical Summary Table of the Main Specifications of the Borelli Group 1 Speed Increaser – 50000 Series<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specification<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Standard Power Take-Off Output Speed<\/td>\n540 rpm<\/td>\n<\/tr>\n
Maximum Speed Increaser Output Speed<\/td>\n3000 rpm<\/td>\n<\/tr>\n
Housing Material<\/td>\nCast aluminium and cast iron<\/td>\n<\/tr>\n
Gear Material (ISO\/DIN 3990-80)<\/td>\nUNI 18NiCrMo5 Steel<\/td>\n<\/tr>\n
Shaft Material<\/td>\nUNI 16CrNi4 Steel<\/td>\n<\/tr>\n
Maximum Operating Temperature (Continuous Duty)<\/td>\n120\u00b0C<\/td>\n<\/tr>\n
Recommended Oil Type<\/td>\nSAE 90<\/td>\n<\/tr>\n
Maximum Oil Capacity<\/td>\n0.150 litres<\/td>\n<\/tr>\n
First Oil Change<\/td>\nAfter 60-80 hours<\/td>\n<\/tr>\n
Oil Level Inspection<\/td>\nEvery 1500 hours<\/td>\n<\/tr>\n
Power<\/td>\n5 kW<\/td>\n<\/tr>\n
Weight (G)<\/td>\n3 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Product Codes<\/h3>\n
\n\n\n\n\n\n\n\n
Model \/ Series<\/th>\nRatio (N.1\/N.2)<\/th>\nTorque M1 (daNm)<\/th>\nTorque M2 (daNm)<\/th>\nSpeed N.2 (RPM)<\/th>\n<\/tr>\n<\/thead>\n
50001 (Ratio 3.5)<\/td>\n3.5<\/td>\n10.6<\/td>\n3<\/td>\n1890<\/td>\n<\/tr>\n
50001 (Ratio 3.8)<\/td>\n3.8<\/td>\n11.2<\/td>\n2.9<\/td>\n2052<\/td>\n<\/tr>\n
50001 (Ratio 4)<\/td>\n4<\/td>\n8.5<\/td>\n2.1<\/td>\n2160<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

The Borelli Group 1 Speed Increaser – 50000 Series is designed to connect gear pumps to the power take-offs of agricultural tractors operating at 540 rpm. Manufactured with a cast aluminium and high-strength cast iron housing, it features UNI 18NiCrMo5 steel gears compliant with ISO\/DIN 3990-80 standards, ensuring excellent mechanical strength and quiet operation. It supports continuous operating temperatures of up to 120\u00b0C.
\nThe available product code for this series is: 50001.<\/p>\n","protected":false},"featured_media":14122,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[508,140],"product_tag":[329],"class_list":{"0":"post-14457","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-speed-increasers","7":"product_cat-transmission-components-and-accessories-for-pumps","8":"product_tag-oleodinamica-borelli","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"\nBorelli Group 1 Speed Increaser - 50000 Series \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Borelli Group 1 Speed Increaser - 50000 Series for gear pumps. 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