Back Issues

August 2008
Purchase Digital Edition Product Guide SAE Off-Highway Engineering's 9th Annual Product Guide showcases new and innovative supplier products.
May/June 2008
Purchase Digital Edition Communication helps make sense of problems Sensors that link engines and hydraulics to the outside world provide data that can be used to analyze performance and the cause of failures. Characteristics of multiple injections A look at the effects that pilot-injection fuel quantity and timing have on light-duty engine emissions. Hybrid innovations for hydraulic braking Exploring new technologies for recovering kinetic energy from braking. On the cover Doosan Infracore's new DX255 crawler excavator features an electronics package that serves to harmonize the operation of the hydraulics and the engine based on power demand and working conditions.
April 2008
Purchase Digital Edition Engineering a cleaner off-highway world As engine manufacturers gear up to meet the next round of stringent emissions standards, equipment manufacturers are reviewing a number of design possibilities. Plugging in for safety Electronics dig deep to help protect operators and equipment. Leveraging the best of both worlds Combustion and aftertreatment technologies help engine manufacturers balance performance with emissions reduction. What's new at SAE 2008 A preview of some of the off-highway applicable products, services, and technologies showcased at the SAE 2008 World Congress. On the cover Modularity brought safety and shortened time to market for International Truck and Engine, which entered the military market two years ago with a vehicle based on its 7000 series heavy-duty truck.
March 2008
Purchase Digital Edition In search of the perfect burn The simultaneous downward pressures on NOx and PM continue to make research into higher injection pressures and alternative combustion solutions such as homogenous-charge compression ignition attractive. One way to stop a train A new self-energizing electrohydraulic brake offers the advantages of hydraulic brake actuation without the disadvantages of a centralized hydraulic power supply. A model combustion: from art to science Analysis tools, advanced hardware provide insight into combustion process, refining the cylinder's 'big bang.' What's New at CONEXPO 2008 SAE Off-Highway Engineering previews some of the products, services, and technologies to be displayed at CONEXPO/IFPE 2008, scheduled for March 11-15 in Las Vegas, NV. The datalinked vehicle In the fields and on the job site with GPS. On the cover Pilot controls are now standard for all four new Case 400 Series 3 machines-the 420CT, 440CT, 445CT, and 450CT-as is a new cab with increased headroom.
January/February 2008
Purchase Digital Edition No stopping global design Global teams ride down the cyber highway. Engines play clean in the fight to meet increasing regulations Sensors, faster CPUs help reduce emissions while maintaining performance. Hydraulics have the power to control The latest generation of hydraulic systems provides an effective alternative to other forms of motion control. Biofuel effects As the off-highway industry in Europe prepares for the introduction of biofuel, specialists are attempting to anticipate potential mechanical and chemical problems it may bring to powertrain systems and component operation—and prepare the answers. Ryan’s ‘Research’ put to good use The Southwest Research Institute engineer assumes SAE President duties for 2008. On the cover Kobelco’s SK260LC Acera Mark 8 hydraulic excavator is powered by a six-cylinder Iveco engine and features four power modes that match power to specific work operations.
December 2007
Purchase Digital Edition Economies of (drivetrain) scale Emissions challenges continue, but engine and transmission technology is advancing solutions and improving vehicle systems integration. Searching for real-world responses Prototype testing is constantly changing as electronic technologies help transform equipment; design processes adjust as digital development evolves. Hydraulic brakes on one hand, air brakes on the other Building a better brake system has continued to challenge engineers for more than a century, as a changing world has demanded correspondingly advanced brake technology. Top technologies of 2007 A look back at some of the most significant technological innovations during the past year. Top products of the year The editors highlight some of the top offerings from the industry’s component and systems suppliers. On the cover Visualization of an Exa PowerFLOW simulation on AGCO’s TerraGator. Centerline plane slice is colored by velocity magnitude demonstrating cooling airflow entering the engine compartment.
October 2007
Purchase Digital Edition Taking control Improved displays and software give operators better insight into hydraulic systems. Making sense for electronic engines Sensors help engines boost performance while meeting emissions requirements. What’s New at ComVEC 2007 A preview of some of the products, services, and technologies on display at the fourth-annual SAE Commercial Vehicle Engineering Congress & Exhibition, taking place October 30 through November 1 at Donald E. Stephens Convention Center outside of Chicago. On the cover Deere upgraded the operator station and cab of the new 9030 tractors, incorporating lower sound levels and higher visibilities for field activities.
September 2007
Purchase Digital Edition Digging with precision Electronic technologies continue to transform the off-highway environment, all the way down to the components used to create electrohydraulic systems, including pumps, valves, and new additions, such as house controllers and sensors. Speeding up design Software automates more tasks, handles challenges. Together for a change On- and off-highway commercial vehicle industries converge at fourth-annual Commercial Vehicle Engineering Congress & Exhibition.
August 2007
Purchase Digital Edition Sourcing Guide A comprehensive industry supplier index containing detailed contact information on more than 1300 companies that supply industry manufacturers. Supplier Index Provides the address, phone, fax, e-mail, Web site, and general product categories for each company.
June 2007
Purchase Digital Edition Electrifying the future Hybrid-electric systems development is heating up in the truck and off-highway equipment industries as OEMs plan to satisfy a wide variety of customers. Shrinking world extends design teams Whether the world is becoming flat or just shrinking, its change is posing a challenge for engineers who have to design bigger products with flat manpower budgets. Cutting costs with COTS Streamlining design and manufacturing processes for accelerated wire harness development for off-highway equipment. On the cover Mercedes-Benz’ Unimog for heavy-duty off-highway applications is available in 3250- and 3850-mm (128- and 152-in) wheelbase variants.
April 2007
Purchase Digital Edition Help from above Cell towers and satellites enable people to keep equipment running. Cleaner and quieter diesels To meet tightening regulations, engineers are tasked with adding more and more components and systems to take away more and more emissions. What’s new at SAE 2007 A preview of some of the off-highway applicable products, services, and technologies showcased at the SAE 2007 World Congress. What’s new at SAE 2007 A preview of some of the off-highway applicable products, services, and technologies showcased at the SAE 2007 World Congress. On the cover The EW160 from Volvo Construction Equipment has an anti-stall feature designed into the engine-management system to balance maximum available power to hydraulic output.
March 2007
Purchase Digital Edition Putting tractors to the test Southwest Research Institute offers manufacturers a ready-made R&D laboratory and the test programs to push their machines to the limit. Leave the driving to us Military programs explore autonomy to lighten operator workloads. Easy on the operator Off-highway OEMs and suppliers want to make life as easy—and productive—as possible for the people running the equipment. Tough testing for tomorrow’s demands The off-highway industry is moving toward a new era of legislation and environmental pressures, making test centers increasingly important. On the cover The recently updated Hitachi EH750 is powered by a six-cylinder Detroit Diesel engine and features a suspension system with independent trailing arms for each front wheel.
February 2007
Purchase Digital Edition Designs on electronics On-chip memories and new architectures change control functions. Seeing green Environmental and cost benefits are driving the adoption of bio-based and other ‘eco’ materials. Closing the loop on marine propulsion design Researchers develop tools for rapid prototyping and analysis of distributed safety-critical systems. Promoting from within After serving a three-year term as Vice President-Automotive, Rich Schaum, Chrysler’s former product development chief, becomes the new face of SAE International. On the cover The Terex TX760B backhoe, powered by a 4.4-L 86-hp (64-kW) Perkins engine, features a front counterweight for improved fore and aft stability.