Cat Releases CTL, MTL & SSL Machines at GIE
Caterpillar introduced three new Cat D Series compact track loaders, three new Cat D Series multi-terrain loaders (MTL) and two updated D Series compact track loaders (CTL) at GIE+EXPO. The new and updated machines feature a completely new cab, lift arm design and increased engine performance. The six new D Series models are replacements for their B3, C and C2 Series predecessors.
Cat is also rolling out four new D Series skid steer loaders and updating two current D Series machines to create the new D Series line featuring a completely redesigned cab, new lift arm design for improved sight lines and increased engine performance. The four newest D Series models are replacements for their B3, C and C2 Series predecessors.
The eight D Series rubber-track loaders range in rated operating capacity (50 percent of tipping load) from 2,800 lb (1 270 kg) to 4,650 lb (2 109 kg). Mid-size frame models, as narrow as 66 inches, are the 257D MTL and 259D CTL. Larger frame models are the 277D and 287D MTLs and the 279D and 289D CTLs. These six D Series models feature an electronically controlled 3.3-liter engine that meets Tier 4 Final (Stage IIIB) emissions standards. The Cat C3.3B engine provides 74 hp (55 kW) with 8 percent more torque and 6 percent improved fuel economy compared to the previous models.
The largest D series models, the 299D and 299D XHP CTLs, were launched in early 2012 and continue to be powered by an electronically controlled 3.8-liter engine, which meets Tier 4 Interim (Stage IIIB) emissions standards. The Cat C3.8 produces 98 gross horsepower (73 kW) for the 299D and 110 net horsepower (82 kW) for the 299D XHP, which powers an auxiliary hydraulic system producing as much as 40 gpm (150L/min) of flow at 4,061 psi (28 000 kPa) to handle the most demanding powered work tools. The 299D and 299D XHP also receive the new cab environment and features as well as the new lift arm design.
The Cat D Series line now encompasses six skid steer loader models ranging in rated operating capacity from 1,800 lb (816 kg) to 3,700 lb (1 678 kg). The 236D and 242D are mid-size frame models and can be as narrow as 60 inches (1524 mm). To provide broader selection for skid steer buyers, the 236D has been redesigned to a smaller platform size. The result is a power-dense radial-lift-path model that combines compact dimensions with impressive performance specs: 1,800-pound (816-kg) operating capacity, 123-inch (3122-mm) hinge-pin height, 74.3 hp (55.4 kW) gross engine power and peak torque of 195 lb-ft (265 N·m).
The new D Series large frame models are the 246D and 262D with rated operating capacities of 2,150 lb (975 kg) and 2,700 lb (1 225 kg), respectively. The 236D, 242D, 246D and 262D feature an electronically controlled 3.3-liter engine that meets Tier 4 Final (Stage IIIB) emissions standards. The Cat C3.3B engine provides 74 hp (55 kW) with 8 percent more torque and a 6 percent increase in fuel economy compared to the previous models.
Cat MTL and CTL models continue to feature torsion-axle suspensions to isolate their track-roller frames from the chassis. The 277D and 287D MTL models also feature a second level of suspension with torsion-axle mounting of the roller bogie wheels.
The D Series models introduce a pressurized cab design. The “Cab-One” operator station is one-piece modular construction instead of the two-piece cab design found on competitive compact loaders. The Caterpillar design provides superior sealing, which allows doubling the cab pressurization attained with the previous design. The result is a cleaner working environment. In addition, the improved HVAC system supplies 20 percent more airflow and approximately a 50 percent increase in heating and cooling rates.
The cab and operator station incorporate many new features. Seat options include a high-back, heated, air-suspension seat that incorporates industry-exclusive integral seat-mounted joystick controls. The seat provides additional comfort via recline and lumbar adjustments. All air suspension seats feature independent arm bar/joystick control adjustments to allow the machine to be configured for different size operators and for different applications.
The standard control monitor provides a single-code security feature that helps prevent theft and unwanted operation. The industry exclusive Advanced Display control monitor expands the number of security (operator) codes to 50 and can store and recall the operating preferences for each one. These preferences include language, gauge style, ride-control setting, creep speed, top-speed limit, response for the hystat drive system and response for the implement control system.
The Advanced Display is video capable and supports the first integrated rear-view camera ever offered on compact track loaders. The camera provides additional work site visibility to enhance safety, especially when working in tight applications.
Also new in the D Series cab is an electronic dial-type throttle that permits precise rpm settings.
A new throttle-smoothing feature monitors accelerator-pedal movement under the operator’s foot when the machine is traveling over rough terrain, and it then clips the extremes of pedal travel to yield steady, even travel speeds.
The D Series models feature the Cat Intelligent Leveling (ILEV) system, which provides features including dual self-leveling, electronic snubbing, return-to-dig and work tool positioning.
The available automatic work-tool coupler is now electrically actuated, replacing the previous hydraulically actuated coupler. The new coupler is simpler in design, eliminating hoses and connectors, and easier to install as an accessory in the field.
D Series models accommodate required emissions controls (diesel particulate filter and diesel oxidation catalyst) with no compromise in serviceability.
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