Model ST-180 Elite 15 - Foot Heavy Duty Rotary Mower



ST-180 Elite raises the bar for the rotary cutters on the market. Built off the time tested T-180, the ST-180 has a smooth top deck for ease of cleaning and upgrades that we've always wanted to make to the T-180. The ST-180 will show up to work everyday and tackle the obstacles you pull it over.

Gearboxes — 540 RPM or 1,000 RPM
Three spindle gearboxes, 250 HP, base mounted, 1:1.6 ratio. One divider box, 275 HP, base mounted. All gearboxes have malleable housings, forged alloy steel, carbonized and hardened gears and shafts, tapered and ball bearings. 20 splined 1 3/4” input shaft, 2 3/8” output shaft on spindle boxes.

Drive Shafts
Shielded PTOs made from finest quality propeller shaft materials and needle bearing universal joints. Category 5 80-degree constant velocity main drive shaft, Category 4 intermediate and wing drive shafts.

Slip Clutch
Three heavy-duty clutches with spring type adjustment and four friction discs.

1/2” by 4” material, alloy spring steel, airlift design. Free swinging when encountering obstructions. 8” overlap for better cutting. Blade tip speed: 16,768 FPM.

Six solid rubber tires standard. Independent shock absorbing system for all wheel axles. Cutting height adjustable from 2” to 17”. Optional: aircraft tires or implement tires.

Bush-Whacker Special Deck
Bush-Whacker Special Deck includes a primary (bottom) deck of 3/16” steel that is welded to heavy duty heavy channel structures. The smooth, easy-to-clean top deck is made of 12 gauge steel and protects the inner support frame. Combined deck thickness: .2921”.

Hydraulic Adjustments
Hydraulic lift cylinders control raising and lowering of flexible wings (winch assembly for manual wing lift is optional). Wings may be raised to 88 degrees above horizontal and lowered to 22 degrees below horizontal cutting plane. Optional: rephasing level lift systems.

Chain Guards Front and Rear

Cutting width: 15’. Cutting height: adjustable from 2” to 15”. Overall width: 190”. Overall length: 167”. Transportation width: 88”. Cutting height for aircraft and implement tires: 2” to 17”.

Without chains and tires: 4,260 lb. Total weight: 4,980 lb.

  • Heavy duty 3/8” side skirt with full length skid shoes
  • 8-bolt mounting on gearboxes — bolt-heads are tack-welded to bottom of deck so one person can tighten the nuts or change the gearbox.
  • Rated to cut-up to 4” diameter brush.
  • Hinges 3” x 4” tubing with grease fittings.

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