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Contractors World  - UK & Ireland
2013 Vol 3 No 1
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Site Plant & Equipment


Cat Backhoe Loaders Given an Upgrade

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Caterpillar is upgrading its equal sized tyre machine range in line with the rest of the F Series product family. The new Cat 434F is mechanically controlled while the 444F, equipped with pilot joystick controls, can be fitted with either a 4.27 m (14 feet) or a 4.87 m (16 feet) backhoe.

The F Series backhoe loaders uses the Cat 4.4 engine, which is in compliance with EU Stage IIIA emission standards. This provides customers with the most efficient, cost effective solution to meet their operating needs. The existing EU Stage IIIB solution will be phased in during the second half of 2013.

For markets with less stringent emission standards than the EU, the F Series backhoe loaders will use the Cat 3054C engine, which has emission levels equivalent to EU Stage II. Engines that meet EU Stage IIIA emission standards are available in non-EU markets that require highly regulated emission levels, such as Turkey.

Driveline improvements boost economy

A new lock-up torque converter is available as an option on all Autoshift models. This option contributes to lower fuel consumption and an increase in average road speed to boost productivity. The full Autoshift transmission is now fitted to the 434F.

The Cat 444F is equipped with a stiffer torque converter to deliver more power in hard bank and faster acceleration when roading.

Boosted brakes are now standard for enhanced braking performance and less pedal effort for the operator. An electronic torque limiter on the 444F improves controllability at lower engine speeds, further increasing productivity and operator comfort.

The upgraded models have three different steering modes, two-wheel steer, circle steer and crab steer, selectable on the fly to allow the operator to control the machine with the most efficient steering mode.

Both the models are fitted with auto-align steering for a quick and easy switch of steering modes that allows the operator to continue his work without manually realigning the steering.

The upgraded models have three different steering modes, two-wheel steer, circle steer and crab steer, selectable on the fly to allow the operator to control the machine with the most efficient steering mode.Performance and Visibility Benefits

Performance at the loader end gets a significant boost with the new F Series models. A new loader arm design increases maximum hinge-pin and dump height with lift capacity at maximum height increased by as much as 36 percent.

In addition, loader improvements, with true parallelism when raising the bucket, result in better material retention. Operators can truck the load more easily without losing any material, thus improving productivity.

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