2023 Bush-Whacker® ST Series 120
- Year 2023
- Make Bush-Whacker®
- Model ST Series
2023 Bush-Whacker® ST Series 120
HEAVY DUTY 10 FOOT FLEX-WING BRUSH CUTTERA close relative to the ever-popular ST-180, the ST-120’s smooth-top design is one of the most rugged flex-wing brush cutters on the market today. With it’s 4" cutting capacity and 250 HP gearbox, you will be hard-pressed to find another mower that can outperform the ST-120 in the field or at the cash register.
The Difference- Heavy-duty 3/8" side skirt with full-length skid shoes
- Rated to cut up to 4' diameter brush.
- Hinges 3" x 4" tubing with grease fittings.
- Hinges – Structural tubing with grease fittings.
- 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.
- 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
- parking jack for easy hookup
- and unhooking from a tractor.
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.
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, carburized 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: Two heavy-duty clutches with spring type adjustment and four friction discs.
Wheels & Tires
Wheels
Five 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" | 20 splined 1 3/4″ input shaft, 2 3/8″ output shaft
Height
Cutting: 2"-15" | for aircraft and implement tires: 2″ to 17″.
Cutting Width
10'
Overall Width
140"
Overall Length
167"
Width
Weights
Weight
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 Adjustments – Hydraulic lift cylinders control raising and lowering of a flexible wing.Wing 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