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Cummins Brazil Introduces QSF 4.5 Engine
Cummins Brazil has introduced the QSF 4.5 electronic diesel engine for soil and asphalt compaction applications, produced at its Guarulhos (SP) plant since April 2024 and developed by local engineering teams.
The 4.5-liter engine delivers 97 kW (130 hp @ 2200 rpm) and will power Dynapac’s CA25, CA30, and CA35 compactors starting in 2026, in addition to the CP28 pneumatic roller already using the same platform.
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Special Report: M&T Expo
BRAZIL/SOUTH AMERICA REPORT

Carlos Briganti TheM&T Expo 2022 is one of the most important trade fairs in the construction and mining equipment industry throughout Latin America and this year the show featured more than 600 exhibiting brands in 54,000 square meters. Held in Sao Paulo Aug. 30-Sept. 2, 2022, the event had more than 30,000 visits in four days.
Disagreements between show organizers and exhibitors caused key players in the market to avoid the show. The list of missing exhibitors included Caterpillar, John Deere, Komatsu, JCB, CNH, and Volvo. Chinese companies, as well as Liebherr, took this opportunity to use large spaces at the event, both in area and in product portfolio with respective sales and engineering teams.
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Day 3, CONEXPO
Wacker Neuson Plate Tamper and Compactor
The batteries on these machines run 60 minutes and charge in 80 minutes, which Wacker believes is enough for a typical work day. The machines are surprisingly quiet, given the type of work they do, and they have the added benefit of not emitting fumes into deep excavations with no air flow. The shock system is sufficient that the vibrations barely reach the battery, and they’ve had no issues with vibrations affecting the batteries so far. Unlike with other…
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