Updated diesel skid steers and track loaders from Case

Case Construction Equipment has announced upgrades to its four largest
Alpha Series skid steers and compact track loaders, which now meet
emission requirements for Tier 4 Interim certification. The Case SR250
and SV300 skid steers and TR320 and TV380 compact track loaders now
feature 90-horsepower, 3.4-liter Case diesel engines with the full
high-pressure common rail design typically used in larger construction
equipment. To meet Tier 4 Interim emission requirements, Case equipped
the models with cooled exhaust gas recirculation technology, including
diesel particulate filter and diesel oxidizing catalyst. Case selected
CEGR technology as most appropriate for skid steers and compact track
loader applications, where the engine typically runs at a high RPM.

Rated operating capacities are 2,500 pounds for the SR250, 3,000 pounds for the SV300; 3,200 pounds in the TR320, and 3,800
lb pounds for the TV380.
 
“Case skid steers and compact track loaders have always been known for
power and productivity,” said Tim O’Brien, Case brand marketing manager.
“Our upgraded Alpha Series models not only deliver best-in-class
horsepower and industry-leading bucket breakout force – up to 8,585
pounds – but also more torque when you need it.”

The electronic engine controls monitor EGR sensors and other inputs to determine diesel particulate filter system regeneration needs.

He continued, “A 12-per cent higher peak torque rise compared to the
previous 3.2-liter engine translates into more power at 1,400 RPM, while
supporting faster recovery and improved reaction when the engine begins
to lug.”
 
O’Brien noted that CEGR technology for Tier 4 is similar to that used in
Tier 3, but now the fuel supply and exhaust gas recirculation process
are controlled electronically to achieve greater performance and fuel
efficiency, as well as even greater reliability – for example, to help
protect the engine from overheating.

The Case 3.4-liter engine in the upgraded Alpha Series skid steers and
compact track loaders features a new, patented piston design –
specifically engineered for use in HPCR fuel
systems – that promotes thorough combustion, optimizes power and fuel
efficiency.
 
The electronic engine controls monitor EGR sensors and other inputs to
determine diesel particulate filter system regeneration needs. As a
normal course of operation, the electronic controls will trigger an
automatic regeneration of the DPF system. Additionally, the system can
notify the machine operator to manually regenerate the DPF system
occasionally when the soot load in the DPF exceeds the range defined for
automatic regeneration.
 
“Automatic regeneration does not cause any adverse effect on vehicle
power or performance,” O’Brien explained. “The operator can continue to
operate the vehicle normally during automatic regeneration.”
 
Controls also provide a wealth of operating data to the display panel
for use by the operator and to the service tool to assist technicians.
 
The Alpha Series includes both radial-lift and vertical-lift models. The
radial lift machines (designated with an R in the model name), are
ideal for digging, prying and pushing, while the vertical lift models
(designated with a V), excel on lift-and-carry applications.
 

The new engine delivers lower noise and vibration to keep the operators more comfortable and productive, all day long.
 
Electro-hydraulic controls with switchable patterns are available
on all Alpha Series models. This is especially helpful when two or more
operators run the same machine. Operators can easily switch between
control patterns based on preference.
 
Exceptional visibility, operator comfort, climate management and
operator controls define the Case Alpha Series machines. The skid steer
cabs, which are the widest in the industry, feature ultra-narrow wire
side screens that improve operator visibility. Extra glass surface gives
the operator 360-degree visibility.
 
The Alpha Series cabs also provide a superior climate management system.
The sealed, pressurized cab significantly reduces the amount of noise
and dust.
 

As in previous Case models, the upgraded Case TR320 and TV380 compact
track loaders feature a dozer-style undercarriage, engineered to hold
fast on steep slopes and take command of muddy or sandy terrain. The undercarriage has a rigid track frame with fewer moving parts, so it
is more durable and easier to maintain than suspension track systems.
 

Easy access to filters and engine fluids makes maintenance on the Case
Alpha Series models a breeze. The regular maintenance points are grouped
in one area so operators do not need to walk around the machine to find
specific service points. Maintenance points, such as the radiator, fuel filter, battery terminals
and engine oil fill are easy to find under the engine compartment cover
and door. A removable side panel provides access to the engine oil
filter and environmentally friendly drain. Additionally, the oil cooler
and radiator tilt out for easy cleaning.
 
O’Brien noted the importance of using ultra low sulfur diesel fuel with HPCR engines. Fuel systems in the upgraded Case Alpha Series models include primary
filtration of impurities down to 10 microns, and secondary filtration to
3 microns. Change intervals for both filters are at 500 hours.

Related links
www.casece.com