HomeTrucksTrucks & AccessoriesFreightliner 122SD Proves Versatile WorkhorseThe 122SD offers many options to tailor the truck to a wide variety of severe-duty applications.March 11, 2015WTS 15 - Freightliner 122SD v1RelatedVIDEO: Western Star 4900 Tailored to Severe-Duty ApplicationsFreightliner Focused on Vocational MarketsFreightliner 114SD Now Available with 12-liter Natural Gas EngineRecommendedFleet MaintenanceBuilding a Mechanic Truck That Works for YouThe ideal truck will maximize on-location maintenance and repair.Fleet MaintenanceCaterpillar Launches Program to Develop Hydrogen-Hybrid Power SolutionThe project will demonstrate how control systems and electric-hybrid components can help hydrogen-fueled engines meet or exceed the power density and transient performance of traditional diesel engines.Fleet Maintenance4 Steps to Forecasting Equipment Fleet Additions During an Unstable MarketContractors want to understand opportunities to improve equipment efficiency through software and hardware additions to increase their fleet’s productivity.