ALLISON Heavy Duty for left-hand mounting
The OMFB Allison Heavy Duty Left-Hand PTO is a hot-shift power take-off specifically engineered for Allison 3000 (68T and 83T) and 4000 Series transmissions.
Designed for demanding on-highway and off-highway applications, it combines high output torque (up to 810 Nm), ISO rear output, and optimised left-hand mounting to deliver reliable power for heavy-duty hydraulic systems.
Its upgraded housing, gearing and mounting arrangement ensure quiet operation, easier installation, and excellent compatibility with a wide range of trucks, including the majority of Japanese models.
Designed for demanding on-highway and off-highway applications, it combines high output torque (up to 810 Nm), ISO rear output, and optimised left-hand mounting to deliver reliable power for heavy-duty hydraulic systems.
Its upgraded housing, gearing and mounting arrangement ensure quiet operation, easier installation, and excellent compatibility with a wide range of trucks, including the majority of Japanese models.
Characteristics
• Application – Allison 3000 (68T / 83T) and 4000 Series transmissions
• Mounting Position – Left-hand side, offset housing for improved clearance
• Operation – Hot-shift PTO, electric over hydraulic clutch control
• Output Type – ISO rear output flange, suitable for direct pump or shaft connection
• Maximum Output Torque – Up to 810 Nm (depending on ratio)
• Available Ratios – 0.84, 0.94, 1.04, 1.21, 1.40
• Voltage Options – 12 VDC or 24 VDC coil versions
• Design Features – Precision ground gears, swivel solenoid assembly, machined step for M10 double-hex fasteners
• Mounting Position – Left-hand side, offset housing for improved clearance
• Operation – Hot-shift PTO, electric over hydraulic clutch control
• Output Type – ISO rear output flange, suitable for direct pump or shaft connection
• Maximum Output Torque – Up to 810 Nm (depending on ratio)
• Available Ratios – 0.84, 0.94, 1.04, 1.21, 1.40
• Voltage Options – 12 VDC or 24 VDC coil versions
• Design Features – Precision ground gears, swivel solenoid assembly, machined step for M10 double-hex fasteners
Advantages
• High-Torque Capability – Up to 810 Nm makes it suitable for the most demanding hydraulic applications
• Left-Hand Mount Solution – Offset housing and optimised geometry eliminate previous clearance issues on the left side of the transmission
• Quieter Operation – Precision gearing provides smoother, lower-noise performance and reduced wear
• Improved Mounting Stability – Machined step supports M10 double-hex fasteners so bolts clamp on a machined face rather than directly on the casting
• Better Vehicle Compatibility – Housing profile is designed to suit a wide range of trucks, including the majority of Japanese chassis
• Left-Hand Mount Solution – Offset housing and optimised geometry eliminate previous clearance issues on the left side of the transmission
• Quieter Operation – Precision gearing provides smoother, lower-noise performance and reduced wear
• Improved Mounting Stability – Machined step supports M10 double-hex fasteners so bolts clamp on a machined face rather than directly on the casting
• Better Vehicle Compatibility – Housing profile is designed to suit a wide range of trucks, including the majority of Japanese chassis
Features & Benefits
• Swivel Solenoid Assembly – The coil and valve body can be rotated to multiple positions, simplifying installation where space is limited
• ISO Rear Output – Standardised interface for easy connection to a wide choice of hydraulic pumps and drive flanges
• Multiple Ratio Options – Allows optimisation of pump speed and system performance for different applications
• Robust Housing Design – Heavy-duty casting provides strength and durability in continuous-duty service
• Comprehensive Kit Availability – Matching pump flanges, shafts, and electrical kits available to create a complete installation package
• ISO Rear Output – Standardised interface for easy connection to a wide choice of hydraulic pumps and drive flanges
• Multiple Ratio Options – Allows optimisation of pump speed and system performance for different applications
• Robust Housing Design – Heavy-duty casting provides strength and durability in continuous-duty service
• Comprehensive Kit Availability – Matching pump flanges, shafts, and electrical kits available to create a complete installation package
Product focus
The Allison Heavy Duty Left-Hand PTO from OMFB has been developed for fleets and body builders who require a high-torque, quiet and easy-to-install PTO on Allison 3000 and 4000 Series transmissions.
Its offset housing and swivel solenoid simplify installation on the left-hand side, while the machined mounting step and precision gears ensure long-term reliability.
Available in a wide range of ratios and in both 12 VDC and 24 VDC versions, it provides a flexible solution for applications such as tippers, hook-lifts, blowers, vacuum units, and other heavy-duty hydraulic systems.
Part Numbers
• 05625112176 – PTO HS 12V Allison HD LHS R0.84 800–810 Nm V17
• 05625124172 – PTO HS 24V Allison HD LHS R0.84 800–810 Nm V17
• 05625212175 – PTO HS 12V Allison HD LHS R0.94 800 Nm V17
• 05625224171 – PTO HS 24V Allison HD LHS R0.94 800 Nm V17
• 05625512172 – PTO HS 12V Allison HD LHS R1.21 710 Nm V17
• 05625524178 – PTO HS 24V Allison HD LHS R1.21 710 Nm V17
• 05625612171 – PTO HS 12V Allison HD LHS R1.04 760 Nm V17
• 05625624177 – PTO HS 24V Allison HD LHS R1.04 760 Nm V17
• 05625912178 – PTO HS 12V Allison HD LHS R1.40 640 Nm V17
• 05625924174 – PTO HS 24V Allison HD LHS R1.40 640 Nm V17
Its offset housing and swivel solenoid simplify installation on the left-hand side, while the machined mounting step and precision gears ensure long-term reliability.
Available in a wide range of ratios and in both 12 VDC and 24 VDC versions, it provides a flexible solution for applications such as tippers, hook-lifts, blowers, vacuum units, and other heavy-duty hydraulic systems.
Part Numbers
• 05625112176 – PTO HS 12V Allison HD LHS R0.84 800–810 Nm V17
• 05625124172 – PTO HS 24V Allison HD LHS R0.84 800–810 Nm V17
• 05625212175 – PTO HS 12V Allison HD LHS R0.94 800 Nm V17
• 05625224171 – PTO HS 24V Allison HD LHS R0.94 800 Nm V17
• 05625512172 – PTO HS 12V Allison HD LHS R1.21 710 Nm V17
• 05625524178 – PTO HS 24V Allison HD LHS R1.21 710 Nm V17
• 05625612171 – PTO HS 12V Allison HD LHS R1.04 760 Nm V17
• 05625624177 – PTO HS 24V Allison HD LHS R1.04 760 Nm V17
• 05625912178 – PTO HS 12V Allison HD LHS R1.40 640 Nm V17
• 05625924174 – PTO HS 24V Allison HD LHS R1.40 640 Nm V17
Frequently Asked Questions
Which transmissions is this PTO compatible with?
This PTO is designed for Allison 3000 Series (68T and 83T) and 4000 Series transmissions used in on-highway and heavy-duty vocational applications.
What is the maximum torque rating?
Depending on the selected ratio, the Allison Heavy Duty PTO provides up to 810 Nm of output torque, making it suitable for high-demand hydraulic systems.
Why is the left-hand mounting version important?
The left-hand offset housing has been specifically designed to overcome clearance issues common on many chassis, particularly Japanese trucks, allowing an easier and safer installation.
What are the available voltage options?
The PTO is available in both 12 VDC and 24 VDC hot-shift versions to suit different vehicle electrical systems.
What are the benefits of the swivel solenoid?
The swivel solenoid can be rotated into different positions, helping installers to route hoses and wiring away from obstacles and simplifying fitment in tight spaces.
Which accessories are available?
OMFB offers a complete range of pump adaptors, flanges, shafts, electrical kits, seal kits and clutch service kits to support installation and long-term maintenance of the Allison Heavy Duty PTO.
This PTO is designed for Allison 3000 Series (68T and 83T) and 4000 Series transmissions used in on-highway and heavy-duty vocational applications.
What is the maximum torque rating?
Depending on the selected ratio, the Allison Heavy Duty PTO provides up to 810 Nm of output torque, making it suitable for high-demand hydraulic systems.
Why is the left-hand mounting version important?
The left-hand offset housing has been specifically designed to overcome clearance issues common on many chassis, particularly Japanese trucks, allowing an easier and safer installation.
What are the available voltage options?
The PTO is available in both 12 VDC and 24 VDC hot-shift versions to suit different vehicle electrical systems.
What are the benefits of the swivel solenoid?
The swivel solenoid can be rotated into different positions, helping installers to route hoses and wiring away from obstacles and simplifying fitment in tight spaces.
Which accessories are available?
OMFB offers a complete range of pump adaptors, flanges, shafts, electrical kits, seal kits and clutch service kits to support installation and long-term maintenance of the Allison Heavy Duty PTO.
Contact us
Please fill out the form,
and we’ll contact you as soon as possible.
You must be logged in to post a comment.