Dirt Work: Page 247

Study Confirms Hybrid Earthmovers' Fuel Economy, Questions Emissions Savings

Caterpillar challenges CARB's study of Cat D7E electric-drive dozers and Komatsu HB215LC-1 hybrid excavators claiming they emit 21% more NOx than conventionals

Cat D7E in the UC Riverside study equipped with activity-measuring devices to establish common duty cycles.

Bobcat Eliminates the DPF on Tier 4 500 Frame-size Loaders

Ultra-low particulate combustion engine reduces emissions and increases torque by 4% to 12%

Bobcat T590 2 Hr 546b9efa0c1cc

A Dozer Operator's Perspective on Grade Control

A blade pro tells how GPS grade control systems have helped average operators cut fuel consumption by 20% and improve productivity 30%

Electronically advanced dozers get a thumbs up from Jace Nix of GT NIX Construction. This Komatsu D51EX-22 has improved fuel consumption by 20% and productivity by 30% over the company's older dozer.

Zeng Guang'an Promoted to President of LiuGong Group

LiuGong Construction Machinery N.A. LLC

Mr. Zeng will be in charge of the Group's overall operation, while maintaining his role as Vice Chairman of LiuGong Machinery.

Cat 770G and 772G Off-Highway Trucks

Caterpillar - Cat

Cat 40- and 52-ton haul trucks come with programmable economy mode, and an adaptive economy mode that automatically saves fuel without sacrificing power when needed

Dozers Advance User Friendly Designs

Dozer Case 1150m Dozer 11237895

Martin Weissburg Named New President of Volvo CE

Volvo Construction Equipment

Weissburg will assume his new position on January 1, 2014, replacing Pat Olney

Martin Weissburg Volvo 11237337

Brochure: Kawasaki 70Z7 Preliminary Specs

The 70Z7 sports a 173-hp (gross) Cummins Tier 4i engine, a ZF five-speed transmission, work mode selector, 50-degree bucket tilt-back angle and a full turn tipping load of a 22,800 lbs.

70Z7 Wheel Loader

Hitachi Construction Machinery Americas Inc.

IntelliDig system balances rimpull force and hydraulic digging force to match conditions

Kawasaki 70z7 Pile 11234366

Volvo Shares Wheel Loader Vision

Volvo shares vision of where future wheel loader design is headed.

OptiShift uses electronic technology to yield an average 15% fuel savings over a conventional drivetrain.

Choose Loader Linkage Options Wisely

Work site considerations drive the choice of wheel loader linkage configuration.

Liebherr offers an industrial parallel-lift linkage as an option to the standard Z-bar on its L 550 and L 556 models. This L 566 offers full breakout force and parallel lifting capability.

Cat 725C and 730C Articulated Dump Trucks

Caterpillar - Cat

The C9.3 powering the 725C is 4% more powerful and delivers 20% more torque; the C13 in the 730C makes 16% more horsepower with a whopping 30% torque increase

Cat 725c Articulated Truck 11321126

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