Pit & Quarry, June 2012
Haul trucks and related equipment Series offers users versatility Featuring four models ranging in capacity from the 265 ton A25F to the 43 ton A40F the Volvo F Series from Volvo Construction Equipment is equipped with technology that provides the engine with high torque at low revolutions to improve fuel efficiency reduce noise levels and increase engine life according to the manufacturer The A25F and A30F models received a power boost of 5 and 20 percent more torque respectively while the A35F has an increase of 5 percent hp and 12 percent torque over the previous model The new A40F generates 61 power toweight ratio www volvoce com Caterpillar has released the 777G off highway truck to replace the 777F Caterpillar officials say the 777G achieves 7 percent more torque powering work and transmission controls that produce quick haul cycles Users will also experience fuel savings through configurable economy settings as well as an adaptive economy model that automatically optimizes fuel consumption based on the users production baseline Brakes and traction control have also been enhanced for the G Series as hydraulic oil immersed disc brakes are now standard on all four truck corners In addition to the 777G Caterpillar has introduced new B series models including the 740B that features a 435 ton payload The company says the new models produce 90 percent less particulate matter and reduce nitrous oxide emissions by as much as 50 percent www cat com Brakes and traction control enhanced 16 PIT QUARRY June 2012 www pitandquarry com
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