Totally New Komatsu XT-5 Series Track Feller Bunchers

By: Komatsu America Corp.  |   Steve Yolitz  |   Published 07/29/2019 |   423-668-3235

CHATTANOOGA, Tenn., July 29, 2019 — Komatsu America Corp., a leading global heavy equipment manufacturer, recently launched its new XT-5 Series of Track Feller Bunchers. Models include the XT430-5 (non-leveling), XT445L-5 and XT465L-5, which replace the prior XT-3 Series machines.

The XT-5 Series ranges in operating weight from 66,359 lb. (30,100 kg) to 74,516 lb. (33,800 kg) and features a new, more powerful fuel-efficient EPA Tier 4 Final engine, gull-wing style engine hood, increased lift capacity, heavy-duty undercarriage, redesigned and relocated cab, new hydraulic and cooling systems, forestry-specific guarding and KOMTRAX® telematics system technology.

“We have been systematically gathering and analyzing voice-of-the-customer input to define our next generation of feller bunchers,” said Mitsuhiro Utsumi, vice president, forestry product marketing, Komatsu America. “This new XT-5 Series represents the culmination of translating that entire input into feller bunchers which truly meet the needs of today’s demanding loggers,” Utsumi said.

Performance & Productivity
The new 310 peak hp (231 kW), Cummins QSL9 9-liter engine provides more horsepower, torque and displacement and lowers fuel consumption by as much as 10%, due to advanced engine and hydraulic system control designs. Lift capacities at full reach lift have been significantly increased, and the XT465L-5 now readily operates the Quadco 24-inch (610 mm) cutting capacity disc saw heads.

Operator Comfort & Convenience
The state-of-the-art, fully-certified, Komatsu forestry cab has been relocated to the left of the boom for industry commonality. Cab design changes provide superior lines-of-sight to each track. A standard rearview monitoring system further enhances the operator’s view. Eleven (11) LED lights provide superior visibility for night operations.

Komatsu’s highly intuitive, IQAN-MD4 digital control system programming allows up to three (3) different operators to program their individual control patterns for increased multi-operator productivity. An IQANsync mobile phone app is available to allow remote access to perform IQAN system functions.

Reliability & Durability
New more rugged Komatsu undercarriages significantly increase service life including:
• Rugged, 8.5" track chain links are stronger at resisting "twist"
• Track rollers and idler bushings are made of high-density material allowing longer wear
• The XT445L-5 and XT465L-5 have larger track guard roller side openings to minimize mud packing and facilitate cleaning
• The XT465L-5 has 9 vs. 8 rollers for improved load distribution. Track length has been extended to the rear by 5.3” (135 mm) for improved steep slope stability
• The XT445L-5 and XT465L-5 have a reduced track slider angle producing 30% lower contact pressure for reduced wear
• All final drives have a new triple labyrinth floating seal housing to protect the seal against mud packing

Larger capacity, hydraulic piston pumps for the implement, attachment and disc saw operate at 500 rpm lower speed, while delivering high performance flow. Each pump has a pre-charged (pressurized) suction inlet to reduce cavitation risk. A robust forestry-specific guarding system covers the boom, arm and rear hydraulic tubes and hoses to provide superior protection and shed debris.

The totally new high capacity cooling system features a large radiator, charge air cooler and hydraulic cooler. All coolers have been relocated to the rear of the machine to minimize debris buildup. Separate radiator and hydraulic oil cooler fan controls provide the cooling needed to maintain the required temperatures. Both fans have an auto-reversing function to help purge debris and maintain cooling efficiencies.

Ease of Maintenance
A new gull-wing style engine hood folds down to provide an elevated service work platform. Four (4) other service doors swing wide to provide excellent service access. An innovative new hydraulic tank design features two (2) tanks, which require 55% less total hydraulic oil (a refill requires only 45 gallons = 171L). The attachment control valve has been relocated from the main control valve to the arm for ease of service.

Komatsu’s exclusive KOMTRAX remote equipment monitoring and management telematics system is standard. It utilizes highly reliable, satellite-based technology to transmit valuable information such as location, utilization and maintenance records to a PC via an internet website. KOMTRAX provides advanced machine troubleshooting capabilities by monitoring machine health and issues caution and abnormality alerts. This information serves as a valuable tool for scheduling preventative maintenance and service. There is no subscription fee for the life of the machine.

Komatsu America Corp. is a U.S. subsidiary of Komatsu Ltd., the world’s second largest manufacturer and supplier of earth-moving equipment, consisting of construction, mining and compact construction equipment. Komatsu America also serves forklift and forestry markets. Through its distributor network, Komatsu offers a state-of-the-art parts and service program to support its equipment. Komatsu has proudly provided high-quality reliable products for nearly a century. Visit www.komatsuforest.us and www.komatsuamerica.com for more information.

New Komatsu XT-5 Series features a more powerful engine, gull-wing style engine hood/service platform, increased lift capacity, new more rugged undercarriage, relocated cab and a KOMTRAX® telematics s
New Komatsu XT-5 Series features a gull-wing style engine hood to provide an elevated service platform. Four (4) other service doors swing wide for excellent access.

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