Equipment Spotlight: Rubber Tire Trenchers

December 2010 Vol. 65 No. 12
Ditch Witch's RT24 is a fully hydrostatic, 22.3-hp trencher.

Astec Underground
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The Astec RT800 offers performance and flexibility in a sleek, modern design. It can be equipped to meet the needs of a variety of job sites by selecting from optional attachments like a trencher, vibratory plow, backfill blade, backhoe, and rock saw. The RT800 can trench as deep as 72-inches and from 6 to 16 inches wide. Ergonomic controls are at your fingertips from the easy-access operator’s station. A full complement of electronic gauges allow quick and easy monitoring of the machine’s performance. A four-post canopy is optional. The 75-hp 4-cylinder turbo-charged B3.3 diesel Tier 3 Stage IIIA Cummins engine is both fuel efficient and powerful. Four-wheel steering makes the RT1200 highly maneuverable. Crab steering is useful on slopes when countering tractive effort. Outboard planetaries and differential locks are standard features. Hydrostatic ground drive and hydrostatic attachment drive provide optimum footage for trenching or plowing. The Astec trencher design features a flywheel, torsion shaft and planetary gearbox for smooth operation and long life. A flywheel minimizes trencher stalls in tough digging conditions and reduces pressure spikes. The torsion shaft absorbs shock loads from the driveline. And planetary gears multiply the hydrostatic motor torque to provide excellent digging power. 865.458.8575, www.astecunderground.com

Vermeer
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The RTX550 is the only 65-hp utility tractor available with an innovative rubber quad-track system, which provides increased tractive effort and maneuverability, greater stability and decreased surface and turf damage. The machine’s TrenchSense electronic control system monitors engine rpm and automatically reacts when a sudden drop is detected to prevent stall or engine stop. The RTX550 fills an important niche, especially for secondary, shorter-run utility service installations where confined space is often a concern. 888.837.6337, www.vermeer.com