ZT-3400®

Designed for mid-size commercial vehicles.

ZT-3400®

Designed for mid-size commercial vehicles.

ZT-3400® is a mid-sized commercial transmission that performs truck-like work yet delivers unmatched maneuverability in tight spaces. It starts with a strong, high-efficiency 12cc pump, 16cc motor, and sturdy 1-1/8” axle shaft for heavier loads. The Performance Package then adds shock valves to extend system life, durable cut steel gears, and a charge pump.

  • Designed for mid-size commercial vehicles
  • Unmatched maneuverability in tight spaces
  • Performance package – Shock valves, Cut steel gears, and Charge pump
  • Durable 1-1/8″ axle for heavier loads
  • High-efficiency 12cc pump & 16cc motor
  • Reliable and quiet performance each and every time
  • Optional internal expansion tank for easier installation

Product Specs

Transmission Model
ZS
ZU
ZY

Overall Transaxle Reduction
21.04:1
23.16:1
21.09:1

Pump Displacement
0.73 in3 /rev [12 cc/rev]
0.73 in3 /rev [12 cc/rev]
0.73 in3 /rev [12 cc/rev]

Motor Displacement
0.97 in3 /rev [16 cc/rev]
0.97 in3 /rev [16 cc/rev]
0.97 in3 /rev [16 cc/rev]

Input Speeds
Max Hi-Idle (no load)
Min (loaded)
3600 rpm
1800 rpm
3600 rpm
1800 rpm
3600 rpm
1800 rpm

Output Torque
up to 500 lb-ft [up to 677 Nm]
up to 500 lb-ft [up to 677 Nm]
up to 500 lb-ft [up to 677 Nm]

Speed
up to 10 mph [up to 16 kph]
up to 10 mph [up to 16 kph]
up to 10 mph [up to 16 kph]

Gross Vehicle Weight
up to 1600 lbs [725 kg]
up to 1600 lbs [725 kg]
up to 1600 lbs [725 kg]

Axle Shaft Diameter
1.125 in [28.56 mm]
1.125 in [28.56 mm]
1.125 in [28.56 mm]

Axle Shaft End Options
Tapered
4-bolt Flange
5-bolt Flange
Tapered
4-bolt Flange
5-bolt Flange
Tapered
4-bolt Flange
5-bolt Flange

Weight of Unit
34.5 lbs [15.6 kg]
34.5 lbs [15.6 kg]
34.5 lbs [15.6 kg]