Equipment Type

Hitachi ZX300LC-6 Hydraulic Excavator

The ZX300LC-6 replaces the ZX290LC-5 and features a Tier 4-Final Isuzu engine with an improved piston design that allows particulate matter to be burned in-cylinder

April 15, 2015

The ZX300LC-6 replaces the ZX290LC-5 and features a Tier 4-Final Isuzu engine with an improved piston design that allows particulate matter to be burned in-cylinder and eliminates the need for a diesel particulate filter. The new 7.8-liter engine has 32 percent more horsepower (compared with the ZX290LC-5 predecessor model) to power the ZX300LC-6’s larger hydraulic pumps, resulting, says Hitachi, in greater lift capacity and increased swing torque.

With an operating weight of 64,375 pounds, the ZX300LC-6 features a redesigned boom and arm that allow use of larger bucket, says Hitachi, and the machine’s hydraulic-boost system and enhanced boom-recirculation help to increase boom and arm speed.

Grouped service points facilitate routine maintenance, says the company, and service intervals for engine oil and hydraulic fluid have been extended to 500 and 5,000 hours, respectively. Fluid sight gauges and fluid reservoirs, quick-change remote-mounted filters, and convenient fluid-sampling ports minimize periodic maintenance downtime says Hitachi. According to the company, installation of grade-reference systems from Topcon, Trimble, or Leica is facilitated by system-ready mounting packages.

According to Hitachi, D-channel side frames house and protect the new machine’s cooling package, and the booms, arm, and mainframes are warranted for three years or 10,000 hours. The sealed-and-lubricated undercarriage features large idlers, rollers, and strutted track links.

Silicone-filled cab mounts are designed to isolate the operator from noise and vibration, and a refined LCD monitor allows programmable attachment modes. A new hood design, expanded glass areas, and new mirrors enhance all-around visibility, says the company, and an optional air-suspension heated seat is available.

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