Products ST-180 Elite

ST-180 Elite

Heavy Duty 15 Foot Flex-wing Brush Cutter

Built for demanding applications, the ST-180 Elite is Bush-Whacker’s premium 15-foot flex-wing brush cutter designed for rights-of-way, roadside maintenance, and government, utility, and contractor use. Based on the proven T-180 platform, it features a smooth top deck for easy cleanup and a reinforced deck and driveline built to withstand continuous, heavy-duty operation. Equipped with a 275 HP divider gearbox and 250 HP spindle gearboxes, the ST-180 Elite delivers reliable performance when cutting thick brush and vegetation up to 4″ in diameter. Its flex-wing design follows uneven terrain for a consistent cut, while heavy-duty axles, solid rubber tires, and hydraulic wing lift enhance durability and ease of use. Designed for longevity and serviceability, the ST-180 Elite is a dependable solution for high-capacity mowing in tough work environments.

Product Details

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 the finest quality propeller shaft materials and needle bearing universal joints. Category 6 80-degree constant velocity main drive shaft, Category 5 intermediate, and wing drive shafts.

Slip Clutch

Three heavy-duty clutches with spring type adjustment and two friction discs.

Blades

1/2″ by 4″ material, alloy spring steel, airlift design. Free swinging when encountering obstructions. 8″ overlap for better cutting. Bladetip speed: 16,766 FPM: 540 RPM

Tires

Six solid rubber tires standard. Independent shock absorbing system for all-wheel axles. from 2″ to 15″. Optional: 25” Treaded Laminate, Used Aircraft, or Used Foam-Filled Aircraft

Dimensions

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″.

Weight

Total weight: 5,520 lb.

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 the horizontal cutting plane. Optional: rephasing level lift systems.

Mechanical Linkage

Mechanically linked suspension for single point adjustment

Other Standard Features Include

Replaceable center and full-length wing skid shoes, transport locking bars for each wing, heavy-duty tongue assembly with dual leveling rods, hydraulic hose holder, jack for easy hookup and unhooking from a tractor.

Deck Rings

Optional

The Difference

  • 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.

Specifications

Cutting Height

2"-15"

Cutting Capacity

4"

Deck Thickness

7 Gauge/12Gauge

Side Skirt Thickness

3/8"

Divider Gearbox HP

275 HP

Spindle Gearbox HP

250 HP

Blade Size

1/2" x 4"

Bladetip Speed

16,766 FPM: 540 RPM

Blade Overlap

8"

Weight

5,520 lbs

Safety Deflectors

Chain Guards

Tires

Laminated

Mower Warranty

1 Year Limited

Gearbox Warranty

5 Year Limited

Product Features

Product Features

Specifications

Cutting Height

2"-15"

Cutting Capacity

4"

Deck Thickness

7 Gauge/12Gauge

Side Skirt Thickness

3/8"

Divider Gearbox HP

275 HP

Spindle Gearbox HP

250 HP

Blade Size

1/2" x 4"

Bladetip Speed

16,766 FPM: 540 RPM

Blade Overlap

8"

Weight

5,520 lbs

Safety Deflectors

Chain Guards

Tires

Laminated

Mower Warranty

1 Year Limited

Gearbox Warranty

5 Year Limited

Hall Manufacturing provides a limited warranty of one year on any machine or component, and five years on any mechanical gearbox or gearbox component.

This warranty covers defective materials and workmanship on the complete machine. Limitations and exclusions apply.