SpecificationsThe DifferenceComparison Chart
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 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 two friction discs.

Blades – 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.

Wheels – Six solid rubber tires standard. Independent shock absorbing system for all-wheel axles. Cutting height adjustable from 2″ to 15″. Optional: aircraft tires or implement tires.

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

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.


Specifications listed are standard; however, any State Department of Transportation specifications that may differ from standard Bush-Whacker specifications will take precedence and be implemented into production.

  • 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.

Comparison 15′ brush Cutters

Brand Bush-Whacker Bush Hog Land Pride Woods Rhino
Model ST-180 2815 RC5515 BW1800 FR180
Cutting Heights 2″-15″ 2′-14″ 2″-14″ 2″-15″ 1.5″-14.5″
Cutting Capacity 4″ 4″ 4″ 4″ 4″
Deck Thickness 7 Gauge/12 Gauge 11 Gauge 10 Gauge 7 Gauge 7 Gauge
Side Skirt Thickness 3/8″ 7 Gauge 1/4″ 1/4″ 1/4″
Divider Gearbox HP 275 HP 250 HP 250 HP 235 HP 250 HP
Spindle Gearbox HP 250 HP 210 HP 210 HP 205 HP 210 HP
Blade Size 1/2″ x 4″ 1/2″ x 4″ 1/2″ x 4″ 1/2″ x 4″ 1/2″ x 4″
Blade Tip Speed 16,768 FPM 16,000 FPM 14,886 FPM 16,000 FPM 16,144 FPM
Blade Overlap 8″ 6″ 6″ 6″ 6″
Weight 4,980 5,600 5,529 5,300 5,025
Safety Deflectors Chain Guards Chain Guards Optional Chain Guards Rubber Belting
Tires Laminated Laminated Options Options Laminated
Mower Warranty 1 Year Limited 1 Year Limited 1 Year Limited 1 Year Limited 1 Year Limited
Gearbox Warranty 5 Year Limited 6 Year Limited 7 Year Limited 6 Year Limited 6 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.