Spicer APO1750-4C Auxiliary Transmission

Spicer APO1750-4C 4-Speed Auxiliary Transmission
APO17504CGTP

The Spicer APO1750-4C is a heavy-duty auxiliary transmission designed to provide additional gearing flexibility and power handling for trucks operating in demanding environments. Built for durability and smooth operation, the APO1750-4C features a four-speed auxiliary configuration, allowing operators to extend the gear range of their primary transmission for improved performance in both highway and off-highway applications.

This model is part of the Spicer 1750 Series, well-regarded for its robust construction and adaptability. The “APO” designation indicates it is an auxiliary power output unit, and the “C” variant refers to a specific internal gearing and shift design within the series.

Technical Specifications:

• Model: APO1750-4C
• Speeds: 4 forward
• Shift Type: Manual or Air Shift
• Input Shaft Diameter: 2.0 inches
• Output Shaft Spline Count: 10
• Gear Ratios:
  • 1st: 2.37
  • 2nd: 1.24
  • 3rd (Direct): 1.00
  • 4th (Overdrive): 0.812
• Lubrication: Splash lubrication system
• Recommended Applications: Heavy-duty trucks, vocational vehicles, off-highway equipment
• Alternate Part Number: 301767-25