MUNCIE HOT SHIFT PTO A20-A1007-HX3BBPX 7/8-13

Muncie A20 Series 10-Bolt Clutch Shift PTO | Part #A20-A1007-HX3BBPX

The Muncie A20-A1007-HX3BBPX is a medium-duty 10-bolt clutch-shift power take-off engineered specifically for Allison 3000 and 4000 Series transmissions. Designed for high-demand commercial applications—including tow trucks, wreckers, dump bodies, and utility vehicles—it provides smooth, low-jarring hydraulic power transfer.

Product Overview

This A20 Series model features a 0.73:1 internal gear ratio paired with a 12V electric/hydraulic actuation system. Its rotatable pump flange and 360-degree adjustable shift cover allow precise positioning in tight chassis spaces without disturbing internal seals. Heavy-duty tapered roller bearings and an enlarged output shaft deliver extended operating life under continuous heavy loads.

Key Specifications & Breakdown

• Manufacturer: Muncie Power Products

• Part Number / MPN: A20-A1007-HX3BBPX (or A20A1007HX3BBPX)

• PTO Series: A20 Series (10-Bolt Medium-Duty)

• Transmission Fitment: Allison 3000 / 4000 Series Transmissions

• Gear Ratio: 0.73:1

• Torque Rating: Up to 415 lb-ft intermittent / continuous

• Shift Type: 12V Electric / Hydraulic (HX)

• Assembly Arrangement: Left Side, Shaft Low (Arrangement 3)

• Output Flange / Shaft: SAE "B" 7/8" - 13 Tooth Spline (2-Bolt & 4-Bolt Flange)

• Includes: Standard Hose Kit

Key Features

• Flexible Mounting: Rotatable pump flange with 30 unique positioning options and a 360° rotatable shift cover simplify installation around frame rails and exhaust.

• Durable Construction: Tapered roller bearings and an oversized output shaft resist wear during repeated high-load hydraulic cycles.

• Quiet & Efficient: Optimized gear geometry minimizes operating noise, while streamlined housing casting reduces internal fluid leak paths.