A20 Series Power Take-Off
Designed for Allison 3000 & 4000 Series Transmissions
The A20 Series is a 10-bolt medium-duty, clutch-shift PTO rated for up to 415 lbs.ft. torque intermittent/continuous and features various product improvements allowing for easier installation and a more durable PTO for Allison 3000 and 4000 Series transmissions.
ROTATABLE PUMP FLANGE
- Stamped with position codes
- 30 unique positions allows for optimal clearance
- More flexibility when mounting pumps
- Flange is easily adjustable without seal disturbance
- Can be shipped loose or at a specific position code for quicker mounting
TARGET MARKETS
- Class 7–8 trucks with automatic transmissions
- Dump
- Fire
- Refuse
- Utility
- Tow & Recovery
- Snow & Ice
- Bulk Hauling
A20 - xxx xx - xx - x xx xx
A20 - xxx xx - x x xx xx
- Rotatable pump flange
- Increased clearance for easier installation
- Shift cover allowing 360-degree rotation
- Proven clutch pack design
- Tapered roller bearings increasing PTO life
- Increased output shaft diameter for higher durability
- Reduced leak paths
- Maximized gear design for noise reduction
- Single intermittent/continuous torque rating
- Three housing arrangements
- Extended length PTO mounting fasteners
- Compatible with EX Drive shaft extension
AVAILABLE WITH THE MUNCIE START®
The Muncie Start is an electronically controlled, modulated clutch engagement system from Muncie Power Products that eliminates torque spikes through the power take-off, truck drivetrain and mounted auxiliary equipment upon startup for high-inertia loads. Allowing for a smooth engagement of the power take-off, Muncie Start increases the life of the PTO and driven mechanical components
AVAILABLE WITH THE EX DRIVE SHAFT EXTENSION
The Muncie EX Drive was designed to fit on Allison 3000 and 4000 series transmissions with retarder or cooler, and allows for large gear or piston pumps to be direct mounted, eliminating the need for timely driveline installations. The EX Drive provides maximum torque from the PTO, and is available for the A20 Series PTO.
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A20 10-BOLT CLUTCH SHIFT PTO ACTIVATION Hino Chassis / Allison 3000 (2021 & Newer)IN21-07
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A20 10-Bolt Clutch Shift PTO Activation Hino Chassis/Allison 3000 (2020 & Older)IN21-03
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The Start of Something – Muncie StartJim Abbott – Product Planning and Application Engineer
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A20 Series PTO: A robust, medium-duty PTO featuring a new rotatable flangeAndrew Dawson – Manager of Marketing & Advertising
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6 easy steps to rotate the flange on the new A20 Series PTOBreanna Daugherty – Marketing Communications Specialist
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Proper power take-off installation with specifically designed tool kitKeith Skinner – Field Sales Manager
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How to Identify a Power Take-off and Shaft Extension for Allison 10-Bolt TransmissionsKyle Beaty – Manager of Digital Marketing and Communications
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SPEED RATIO |
3000 SERIES ENGINE % |
4000 SERIES ENGINE % |
INTERMITTENT CONTINUOUS HP (KW) @ 1,000 RPM |
INTERMITTENT/CONTINOUS TORQUE LBS.FT. (NM) |
|---|---|---|---|---|
| 05 | 74% | 105% | 77 (57) | 400 (542) |
|
06 |
85% | 122% | 77 (57) | 400 (542) |
|
07 |
99% | 141% | 79 (59) | 415 (563) |
|
08 |
114% | 163% | 69 (51) | 360 (488) |
|
09 |
122% | 175% | 65 (48) | 340 (461) |
|
10 |
131% | 187% | 59 (44) | 310 (420) |
|
11 |
151% | 215% | 52 (39) | 275 (373) |
|
12 |
162% | 231% | 50 (37) | 265 (359) |
|
15 |
201% | 287% | 39 (29) | 205 (278) |
Approximate Weight: 47.2 lbs. (21.4 Kg.)
The Muncie Power Take-Off is warranted to be free of defects in material or workmanship and to meet Muncie’s standard written specifications at the time of sale. Muncie’s obligation and liability under this warranty is expressly limited to repairing or replacing, at Muncie’s option, within one year (two years on Allison World Transmission PTOs) after date of original installation any defective part or parts or any product not meeting the specifications.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED. MUNCIE MAKES NO WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR ANY PARTICULAR PURPOSE. MUNCIE’S OBLIGATION UNDER THIS WARRANTY SHALL NOT INCLUDE ANY TRANSPORTATION CHARGES OR COSTS OF INSTALLATION OR ANY LIABILITY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR DELAY. THE REMEDIES SET FORTH HEREIN ARE EXCLUSIVE, AND MUNCIE’S LIABILITY WITH RESPECT TO ANY CONTRACT OR SALE OR ANYTHING DONE IN CONNECTION THEREWITH, WHETHER IN CONTRACT, IN TORT, UNDER ANY WARRANTY, OR OTHERWISE, SHALL NOT, EXCEPT AS EXPRESSLY PROVIDED HEREIN, EXCEED THE PRICE OF THE PRODUCT OR PART ON WHICH SUCH LIABILITY IS BASED.
If requested by Muncie, products or parts for which a warranty claim is made are to be returned transportation prepaid to a Muncie Service Center. Any installation or use not in accordance with catalog or package instructions, other improper use, operation beyond capacity, substitution of parts not approved by Muncie, use with equipment other than the equipment on which the Power Take-Off is first installed, or alteration or repair made to the Power Take-Off other than at a Muncie Service Center, shall void this warranty. No employee or representative of Muncie is authorized to change this warranty in any way or to grant any other warranty.
