Muncie PTO Shaft Extension

Muncie PTO shaft extensionDescription:

The Muncie PTO shaft extension, for the Allison 3000 and 4000 Series transmission provide easier hydraulic pump installation by moving the hydraulic pump mount to the rear of the transmission. Shaft Extensions are available for most Allison 3000 & 4000 Series transmission applications and popular pump mounts.

Key Features / Benefits:

  • Fits Allison 3000 and 4000 series transmissions – Popular automatic transmissions
  • Direct mounts large gear or piston pumps – Replaces driveline; Cuts installation time
  • Replaces front engine drives – Eliminates the cost of front mounting; Improved performance – the pump is located closer to the oil supply
  • Locates the pump under the truck – Safer location
  • Four output sizes – S.A.E. “B”, “BB”, “C”, and DIN 5462 – Fits popular pump models

Common Applications:

  • Refuse Equipment

  • Utility Equipment

  • Dump Bodies

  • Ice and Snow Control Vehicles

Muncie Shaft Extensions BrochureMuncie PTO Shaft Extensions  Brochure

Download PDF

Muncie Shaft Extensions Parts BreakdownMuncie PTO Shaft Extension Parts Breakdown

Download PDF

Muncie Shaft Extensions Service ManualMuncie PTO Shaft Extension Installation Manual

Download PDF


1. Transmission must have rear support installed as supplied by the vehicle manufacturer.

2. Allison 4000 Series: ES not currently available for the 7 speed HD4700 transmission. Not currently available for any 4000 retarder or units with rear-mounted oil coolers.

3. All ES Kits are for shaft low PTO arrangements. “3” on left side and “1” on right side.

Muncie PTO Shaft Extension Specifications
Output Shaft Options S.A.E. “B” S.A.E. “BB” S.A.E.”C” DIN 5462
Rotatable Pump Flange Yes
Assembly Artangements 2
Approximate Weight 42 lbs. (19.05 Kg.)
Max Torque
Intermittent 400 lbs.ft. (542 Nm)
Continuous 280 lbs.ft. (379 Nm)
WITH CS10/11:
Intermittent 500 lbs.ft. (678 Nm)
Continuous 350 lbs.ft. (475 Nm)
WITH CS24/25:
Intermittent 325 lbs.ft. (440 Nm)
Continuous 228 lbs.ft. (308 Nm)
WITH CS40/41:
Intermittent 600 lbs.ft. (813 Nm)
Continuous 430 lbs.ft. (569 Nm)
MAX HP (@ 1,000 RPM)
WITH CD10: 76 HP (57 kW)
WITH CS10/11: 95 HP (71 kW)
WITH CS24/25: 62 HP (46 kW)
WITH CS40/41: 42 HP (85 kW)
Truck Parts Store

<p style=”text-align: center;”><span style=”color: #ffffff; font-size: 34px;”><strong>NEED FREE SUPPORT FROM ONE OF OUR EXPERTS?</strong></span></p>