Manufacturer ID: TZ-400

The TZ-400 is the big brother to the standard TZ-300 unit. It has all the features of the TZ-300 with better torque, tire size support and weight capacity.  The TZ-400 also boasts added options to make this unit more flexible for new applications and premium features.  Best for professional-grade residential and “pro-sumer” zero-turn vehicles.


  • Heavy steel axles for added strength and control.

  • Maintenance-free internal braking system.

  • Integrated aluminum fluid reservoir/top cover with dipstick for increased strength and easy maintenance.

  • Robust aluminum case for professional-grade durability and dependable performance.

  • Sleek design for low-profile installation and improved vehicle clearance.


Specification Value Units
Application Zero-Turn Mower - Professional Grade
Vehicle Speed (Max.) 10 mph
Tire Size up to 22 in
Vehicle Weight (Max.) w/ Attachments and Operator 578 (1275) kg (lb)
Reduction Ratio 18:1
Pump/Motor Displacement 10/10 cc/rev
Brake Capacity (Min.) 244 (180) Nm (lb-ft)
Brake Arm Torque 15.8 (11.7) Nm (lb-ft)
Axle Torque up to 420 (310) Nm (lb-ft)
Gear Material Steel
Brake Type Internal Paw-Lock or Internal Wet Disk
Charge Pump Yes
Return to Neutral Yes (Optional)
Fan & Pulley Yes (Optional)
Fan Size (dia.) 177.8 (7) mm (in)
Pulley Size (dia.) 88.2-139.8 (3.47-5.50) mm (in)
Pulley Height (from axle center) 97-120 (3.8-4.7) mm (in)
Wheel Hub Yes (Optional)
Control Lever Outboard or Inboard (Optional)

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