5/30/2023 0 Comments Volvo d13 vs cummins isx![]() “They use that as a basis to establish warranty coverage and also to inform our customers who will ask us how long an engine is going to last. Steve Gilligan, vice president of product marketing at Navistar, explained that B ratings are based on the durability data that engine manufacturers have on file and operating data. “This is not the case, as B10 and B50 life uses a statistical approach to approximating engine life.” ![]() He said many people wrongly assume that B10 life means that at the given mileage, the engine will have worn 10%, and at B50 life, the engine will have worn 50%. ![]() ![]() Following the OEM maintenance recommendations will help ensure that your engine meets or exceeds the manufacturer’s life expectancy.” “Proper maintenance and care will ensure that you get the most from your engine. “It’s important to remember that it is not an exact rating,” said Stu Russoli, highway and powertrain products marketing manager for Mack Trucks, “but rather a rule of thumb similar to a consumer guide number that might help a customer in their decision-making process.”Īccording to Mario Sanchez-Lara, on-highway marketing communications for Cummins, it’s not uncommon for a diesel engine to provide trouble-free service for double, even triple the B50 life. In other words, 50% of D11 and D13 models are expected to go 1.2 million miles before an overhaul or similar major repair.
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