Manufacturer ID: TZT-13

The TZT13 is our strongest and most robust zero-turn IHT (Integrated Hydrostatic Transaxle). These units are built for the abuse of commercial mowers while offering great performance and ease of maintenance. Best for commercial zero-turn mowers.


  • Patented L.O.G.I.C. case design for easy installation, reliability and serviceability.

  • Heavy steel axles for added strength and control.

  • Maintenance-free wet disk internal braking system for reliable stopping power.

  • External hydraulic accessory support not found on most zero-turn IHTs.

  • Larger pump and motor displacements provide the torque you need for faster mowing speed and maneuverability.

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


Specification Value Units
Application Zero-Turn Mower - Commercial
Vehicle Speed (Max.) 12-13 mph
Tire Size 24+ in
Vehicle Weight (Max.) w/ Attachments and Operator 907 (2,000) kg (lb)
Reduction Ratio 16.65
Pump/Motor displacement 13/13 cc/rev
Brake Capacity (Min.) 431 (317.9) Nm (lb-ft)
Brake Arm Torque 24.5 (18.07) Nm (lb-ft)
Rated Axle Torque 294 (216.8) Nm (lb-ft)
Gear Material Steel
Brake Type Internal Wet Disk
Charge Pump Yes
Return to Neutral Yes (Optional)
Fan & Pulley Yes (Optional)
Fan Size (dia.) 215.9 (8.5) mm (in)
Pulley Size (dia.) 152.4 (6) mm (in)
Pulley Height (from axle center) 82.3 (3.24) mm (in)
Wheel Hub Yes (Optional)
Control Lever Outboard (Optional)
Auxiliary/External Hydraulics Yes (Optional)
Pressure (Max.) 4.5 MPa
Charge Pump Displacement 4.125 cc/rev

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