Caterpillar Unveils Next-Generation 548 Forest Machine With Enhancements In Every Department

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The Caterpillar 548 forest machine now has 30% more power and swing torque and 10% more travel speed. (Photo courtesy of Caterpillar.)

Caterpillar has upgraded its 548 forest machine on numerous fronts. The tracked machine has 30% more power and swing torque and 10% more travel speed. Maintenance costs have been cut by up to 15% through longer filter change intervals. The 548’s new cabin provides 25% more interior space and a 50% better field of view.

“More production, greater comfort and safety, and lower maintenance cost is what loggers can expect from our new 548,” says Brent Uitermarkt, vice president for Caterpillar’s forestry products.

Year-Round Reliability

Caterpillar offers the 548 forest machine in Log Loader and General Forestry configurations. The Log Loader edition has an operating weight of 89,730 pounds (40,700 kilograms) and a maximum reach of 37.5 feet (11.43 meters). The General Forestry variant weighs in at 83,330 lbs (37,800 kg) and has a max reach of 32.9 ft (10 m).

The more powerful 275-horsepower (205-kilowatt), twin-turbo Cat C7.1 engine in the new 548 contributes to a swing torque rating of 100,308 pound-force feet (136 kilonewton-meters) through a new electrohydraulic control system. The engine can start up with the push of a button or the combination of an optional Bluetooth fob and Operator ID (which also remembers operators’ individual settings preferences). The motor can start in temperatures as cold as -25 degrees Fahrenheit (-32 degrees Celsius), and it can operate in temps of up to 126 F (52 C). The operator can program the engine’s cooling fan to reverse at custom intervals to keep the radiator from clogging in the woods.

Service Savings

Caterpillar has doubled the service life of the 548’s fuel filters, which now have a synchronized, 1,000-hour replacement interval. In like manner, the new hydraulic oil return filter lasts 50% longer with a 3,000-hour service life and better filtration performance.

“We improved our filters and our service intervals, and we improved ground-level access to service points to make daily maintenance quick and safe,” Uitermarkt says. “Our new electrohydraulic control system eliminates the need for a pilot filter and pilot oil altogether.”

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“More production, greater comfort and safety, and lower maintenance cost is what loggers can expect from our new 548,” says Caterpillar’s Brent Uitermarkt. (Photo courtesy of Caterpillar.)

Cabin Upgrades

The Cat 548’s new Certified Forestry cab boasts a larger interior and room to stand up for most operators, the manufacturer says. The reinforced cabin has a polycarbonate windshield that’s 1.25 inches (32 millimeters) thick for safety. Thinner cab pillars, larger panoramic windows, and a flat hood over the engine all contribute to operator visibility, as does a standard rearview camera. Cat offers three risers to add 22, 48, or 72 in. (558, 1,219, or 1,829 mm) of elevation to the cab.

A tilt-up console facilitates easier entry and exit from the cab, which comes with a taller, wider door in either the rear or side of the cabin. A new dual heating and air conditioning system and a heated and cooled seat come standard on the 548. The cab’s larger, 10-in. touchscreen includes access to the forest machine’s digital user manual.

Caterpillar offers the optional PL161 attachment locator, which can find the forest machine’s tools up to 200 ft (60 m) away, even if they’re hidden under brush. The 548 also is compatible with Cat’s Product Link telematics system, which provides remote fleet management, flash updates, and a new remote troubleshooting feature involving the dealership.

Source: Caterpillar