FAE UML/SSL

The FAE UML/SSL is a powerful skid steer mulcher available in 150 and 175 sizes, built for 75–135 hp machines. Choose between an open rotor for maximum cutting power or a bite limiter rotor for smoother, fuel-efficient performance. Available with FAE’s VT variable torque motor or upgrade to Sonic technology for real-time rotor calibration and up to 30% more productivity.

See the tabs below for full specifications, features, and model options.

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Product Description

FAE UML/SSL Mulcher – Built for Skid Steers, Designed for Results
The UML/SSL series is FAE’s premier mulcher for skid steers with 75–135 hp, offering unmatched versatility and performance in land clearing, brush control, and vegetation management. Available in 150 (~62″) and 175 (~70″) working widths, this mulcher gives you the power to match your workload.

Choose between two rotor configurations:

  • Open Rotor with Bolt-On Teeth – Ideal for high-impact jobs, delivering aggressive cutting performance in dense, woody material.

  • Bite Limiter Rotor – Features hardened steel limiter rings that control cutting depth, reduce power demand, and boost fuel efficiency while maintaining high-speed mulching.

Power options include:

  • VT (Variable Torque) Hydraulic Motor – Automatically adjusts torque under load, reducing stalling and maximizing mulching power.

  • Sonic Technology – FAE’s top-tier system that calibrates hydraulic performance in real time for up to 30% increased productivity, smoother operation, and less operator fatigue.

Key Features:
• Available in 150 and 175 widths
• Compatible with most high-flow skid steers
• Choice of open rotor or bite limiter rotor
• Tooth options: blade (I, BL) or carbide (C/3)
• Optional hydraulic pushblock and diverter valve
• Reinforced housing, adjustable skid shoes, and safety chains

Applications:
Perfect for right-of-way clearing, trail building, land development, pasture maintenance, firebreaks, and more.

Need help picking the right size or configuration? Contact us today—we’ll get you matched up and mulching fast.

Model Specs

UML/SSL/BL Mulcher Spec Sheet – Click Here

FAE UML/SSL Forestry Mulcher Specifications
MODEL UML/SSL/VT-150* UML/SSL/VT-175* UML/SSL/SONIC-150 UML/SSL/SONIC-175
Engine (hp) 75-135 75-135 75-135 75-135
Flow rate (L/min) 115-200 115-200 115-200 115-200
Pressure (bar) 200-350 200-350 200-350 200-350
Working width (mm) 1580 1820 1580 1820
Total width (mm) 1880 2120 1880 2120
Weight (kg) 1300 1400 1300 1400
Rotor diameter (mm) 425 425 425 425
Max shredding diameter (mm) 200 200 200 200
No. teeth type C/3+C/3/SS 32+2 36+2 32+2 36+2
type I+C/3/SS 42+2 50+2 42+2 50+2

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