Power Take-Off (PTO), Powershift Hydraulic (Hot Shift), Electric 12V Over Hydraulic, 10-Bolt, 1-1/4" Round Shaft, Transmission Gear A10 - Allison, Gear Ratio 10, Left Side Shaft Low, A20 Series, Muncie A20A1010HX31XPX

The Muncie A20A1010HX31XPX PTO is a heavy-duty 10-bolt clutch shift power take-off designed for use with Allison 3000 and 4000 series automatic transmissions. Built as part of the proven Muncie A20 Series, this PTO delivers reliable auxiliary power for a wide range of truck-mounted applications.

This configuration features the HX shift option, a 12V electric/hydraulic clutch shift system (2015–2020 configuration), allowing smooth and controlled engagement while reducing shock to the drivetrain. The A20 Series is engineered with a durable clutch pack, tapered roller bearings, and precision-cut gearing, helping extend service life and ensure consistent performance in demanding environments.

With a 0.97:1 gear ratio and a 10-bolt mounting pattern, this PTO is designed for compatibility with common Allison transmission setups. This unit is configured with a 1-1/4" round shaft output and a shaft-low assembly arrangement, providing flexibility for installation across a variety of chassis layouts.

This model also includes the PX option (standard hose kit), simplifying installation and ensuring proper connection of the shift system components.

Designed for durability and dependable operation, the A20A1010HX31XPX is a field-proven PTO solution for vocational trucks requiring consistent auxiliary power and reliable engagement.

Key Features

• Muncie A20 Series power take-off
• 10-bolt PTO for Allison 3000/4000 series transmissions
• Clutch shift design for smooth, controlled engagement
• HX shift option — 12V electric/hydraulic, 2015–2020 configuration
• PX option — standard hose kit included
• 0.97:1 gear ratio
• 1-1/4" round shaft output
• Shaft-low assembly arrangement
• Heavy-duty construction for vocational truck applications
• Muncie part number: A20A1010HX31XPX

Specifications

• Series: Muncie A20
• Part Number: A20A1010HX31XPX
• PTO Type: 10-bolt clutch shift
• Transmission Compatibility: Allison 3000 / 4000 series
• Shift Option: HX — 12V electric/hydraulic, 2015–2020
• Special Feature Option: PX — standard hose kit
• Gear Ratio: 0.97:1
• Output: 1-1/4" round shaft
• Assembly Arrangement: Shaft-low
• Mounting Pattern: 10-bolt

Applications

• Vocational truck auxiliary power systems
• Water trucks
• Dump trucks
• Service trucks
• Utility trucks
• Refuse and municipal equipment
• Other Allison 3000/4000 equipped truck applications