HD Switch BIGBearing HiTorq PTO Clutch 130 ft·lb — 127-3410 OEM Replacement with Replaceable Pulley Bearing

HD Switch BIGBearing HiTorq is a 130 ft·lb replacement PTO clutch engineered to deliver stronger holding power and longer pulley-bearing life for select Exmark, Toro and TimeCutter residential and commercial mowers.

This heavy-duty OEM-style clutch upgrades the stock 105 ft·lb unit to 130 ft·lb torque and fits multiple model and part-number families (including 127-3410 / 1273410). It combines a reinforced high-torque coil with a larger, replaceable pulley bearing and a billet pulley design to reduce slippage, resist overheating and extend service intervals on riding mowers and zero-turns.

How does the 130 ft·lb HiTorq clutch improve cutting performance?

The increased torque rating means the clutch resists slipping under heavy blade loads, so blades maintain full speed during dense or wet cutting conditions. That reduces heat from clutch slip and preserves coil integrity.

• 130 ft·lb torque versus standard 105 ft·lb for stronger engagement
• Improved blade speed retention under heavy loads
• Less slippage-related heat, extending clutch life

Why is the BIGBearing pulley better than standard pulleys?

HD Switch enlarges the pulley bearing to handle higher radial and axial forces common in commercial and aggressive residential mowing. The bearing is replaceable thanks to a billet pulley with a snap ring, lowering long-term maintenance cost.

• Larger bearing tolerates greater abuse and reduces premature failure
• Billet pulley with snap ring enables simple bearing replacement
• Durable construction improves uptime and reduces parts swaps

Which machines and part numbers does this clutch fit?

This clutch is designed as a direct fit for many Exmark, Toro, TimeCutter and related models and replaces OEM 127-3410 references. Check serial numbers listed for Quest model compatibility when confirming fitment.

• Fits model families: SS5425, XS4850, XS5450, ZX4800, ZX5400, ZX6000, SWX5050, MX4800, MX5025 and more
• Replaces OEM part numbers: 127-3410 / 1273410 and multiple model numbers listed
• Specific Quest serial-number fitment details provided for QSS/QTE/QTS/QZS series

What maintenance advantages does HD Switch BIGBearing HiTorq offer?

By combining a higher-torque coil with a serviceable, oversized bearing, this clutch reduces the frequency of full-clutch replacements. When the bearing eventually wears, you can replace only the bearing instead of the entire pulley assembly.

• Reduced overheating lowers coil degradation
• Replaceable bearing cuts parts and labor costs over time
• Robust construction extends service intervals under heavy use

Who this is for: HD Switch BIGBearing HiTorq suits homeowners and commercial operators who need a tougher, longer-lasting PTO clutch for demanding mowing conditions. Choose this clutch if you want an OEM-compatible upgrade that resists slip, tolerates heavier loads, and simplifies future bearing service for a wide range of Exmark, Toro and TimeCutter machines.