Our most compact integrated transaxle


Our most compact integrated transaxle

Don’t underestimate the power of our lightest and most compact integrated transaxle. The ZT-1800™ boasts a maintenance-free design, a reliable and efficient 6cc pump and 10cc motor, a durable ¾” axle. It delivers proven performance that you’ve come to expect from Hydro-Gear’s residential line.

  • Hydro-Gear’s lightest and most compact unit
  • Maintenance-free design
  • Proven performance in a compact package
  • Durable 6cc pump & 10cc motor
  • Perfect fit for vehicles weighing up to 667 lbs

Product Specs

Pump Displacement

0.37 in3/rev [6 cc/rev]

Motor Displacement

0.61 in3/rev [10 cc/rev]

Input Speed
Maximum Hi-Idle (No Load)
Minimum (Loaded)

3000 rpm
1800 rpm

Output Torque

up to 100 lb-ft [up to 136 Nm]


up to 6 mph [up to 10 kph]

Gross Vehicle Weight

up to 667 lbs [up to 302 kg]

Axle Shaft Diameter

0.75 in [19.05 mm]

Axle Shaft End Options


Weight of Unit

18 lbs [8.2 kg]