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June 10, 2015 by On-Site

CASE 721F Wheel Loader

CASE 621F and 721F wheel loaders now meet Tier 4 Final emissions. Each model is equipped with a selective catalytic reduction (SCR) solution that treats emissions separately with Diesel Exhaust Fluid (DEF) and does not require the engine to re-circulate exhaust gas. It improves fuel efficiency (up to 20 per cent greater than previous solutions), lowers exhaust temperatures and fuel consumption, and provides excellent throttle response and simplified maintenance without sacrificing power. It also requires no diesel particulate filter (DPF) regeneration or maintenance.  Each new Tier 4 Final wheel loader comes with a 6.7-liter engine. The 621F and 721F wheel loaders produce 162 and 179 net rated horsepower (121 and 133 kW), respectively. Both machines are also available with XT (tool carrier) or XR (extended reach) linkage and specialty configurations for even greater versatility and productivity. The SCR design on the 621F and 721F also contributes to machine uptime by eliminating the need for manual diesel particulate filter (DPF) regeneration and the associated downtime that occurs with wheel loaders that use cooled exhaust gas recirculation (CEGR) technology. SCR results in extended time between service intervals as lower ambient temperatures result in slower degradation of lubricating oil. A standard engine shutdown feature found on each model that allows the operator to limit engine idle time. Powerful and quick hydraulics, and four programmable power modes that allow users to match the machine output to available engine power. The loaders include heavy-duty axles with auto-locking front and open rear differentials for optimal traction. The axle design helps reduce tire wear, especially on hard surfaces. The optional “Efficiency Package” includes a five-speed transmission with lock-up torque converter for even faster road travel speed, acceleration and shorter cycle times, as well as axles with auto locking differential and advanced system programming. The optional five-speed transmission lets operators approach targets quickly and precisely regardless of engine speed. It ensures there is no rollback even on steep slopes, making it easier and quicker to dump into a truck. Both models are also available as waste handlers, featuring 16 guarding points, a high-efficiency mid-mounted cooling cube, a slanted hood and Sy-Klone ejective air pre-cleaner, and heavy-duty axles and solid tires. Serviceability is simple with ground-level service points and eye-level fluid gauges. The mid-mounted cooling module limits debris buildup and provides easy access for routine cleaning. And a standard, electronically controlled power-tilt hood makes access to the engine compartment easy. Cabs feature full climate control, joystick steering options and floor-to-ceiling windows providing visibility to attachments. All service points are easily grouped and located throughout the machine for easy access. Additional options, such as a rearview camera and a heated air-ride seat, make operation even more easy and comfortable.  

 

 

 

 


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