2025 Bush-Whacker® Flex-Wing Cutters ST-180 Elite

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Year 2025
Make Bush-Whacker®
Model Flex-Wing Cutters

ST-180 Elite raises the bar for flex-wing brush cutters on the market. Built off the time-tested T-180, the ST-180 has a smooth top deck for ease of cleaning. The ST-180 will show up to work every day and will tackle the toughest mowing challenges.

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.

Features may include:

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.

Drivetrain

Gearbox Divider: 275 hp | Spindle: 250 hp 540 rpm or 1,000 rpm

Gear Ratio (Primary) 1:1.6

Drive Shaft 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. | Category 5 80-degree constant velocity main , Category 4 intermediate, and wing.

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

Wheels & Tires

Wheels Six solid rubber tires standard. Independent shock absorbing system for all-wheel axles.

Operational

Operating Conditions Blade: 16,768 fpm

Chassis

Deck Thickness 7 Gauge/12 Gauge

Dimensions

Dimensions Cutting Capacity: 4" | Side Skirt Thickness: 3/8" | Blade Size: 1/2" x 4" | Blade Overlap: 8"

Height Cutting: 2"-15" | for aircraft and implement tires: 2″ to 17″.

Cutting Width 15".

Overall Width 190".

Overall Length 167".

Transport Width 88".

Weights

Weight 5,520 lbs | Without chains and tires: 4,260 lb. | Total: 4,980 lb.

Features

Features Safety Deflectors: Chain Guards | Tires: Laminated | Blades: Free swinging when encountering obstructions. 8" overlap for better cutting.

Construction Material Blades: 1/2" by 4" material, alloy spring steel, airlift design.

Adjustability Hydraulic: Hydraulic lift cylinders control raising and lowering of flexible wings. Wings may be raised to 88 degrees above horizontal and lowered to 22 degrees below the horizontal cutting plane.

Warranty

Warranty Mower: 1 Year Limited | Gearbox: 5 Year Limited

2025 Bush-Whacker® Flex-Wing Cutters ST-180 Elite