OTC 4275 Hendrickson Front Suspension Bushing Master Tool Set, Steel Construction, 25-Ton Cylinder, Includes Pump
- The OTC 4275 Front Suspension Bushing Master Tool Set is a heavy-duty kit built for removing and installing bushings in Hendrickson front suspension systems. Its patented suspension-mounted design allows the tool to remain fixed to the vehicle during operation, improving precision and safety while reducing labor time.
- Features:
- Suspension-mounted design eliminates the need to hold the tool manually, enhancing accuracy and ease of use
- Adapters precisely fit Hendrickson PACCAR Monoleaf, Navistar Monoleaf, and Volvo Monoleaf front suspension D-pin bushings
- Centering adapters align the tool to the suspension axis to prevent misalignment or bushing damage
- Includes a 25-ton high-force hydraulic cylinder and OTC 2510A air/hydraulic pump for efficient bushing removal and installation
- Includes:
- Truck suspension head
- Alignment tools (2 units)
- Clamping plate
- Bushing support adapter
- Threaded rods (2 units)
- Threaded rod connections (2 units)
- Cylinder mounting plate
- 25-ton hydraulic cylinder
- Extension
- Cylinder adapter
- Alignment pin
- Bushing adapter
- Spacer A
- Spacer B
- Spacer C
- Plastic storage box
- Foam pads (2 units)
- Hex nuts (4 units)
- Operating instructions and parts list
- Hydraulic hose
- Hose half coupler
- OTC 2510A air/hydraulic pump
- Specifications:
- Manufacturer: OTC (Bosch Automotive Service Solutions)
- Part Number: 4275
- Material: Steel (tool and adapter components)
- Hydraulic Cylinder Force Capability: 25 tons
- Pump Pressure: 10,000 psi
- Pump Usable Capacity: 98 cubic inches
- Application: Designed for Hendrickson front suspension systems using D-pin bushings on PACCAR, Navistar, and Volvo Monoleaf configurations
OTC, part of Bosch Automotive Service Solutions, designed the 4275 Master Tool Set to simplify front suspension bushing service on Hendrickson systems. Its suspension-mounted design, precision adapters, and included hydraulic pump deliver reliable alignment, safety, and reduced service time.
Q: What cylinder capacity is included?
A: The kit includes a 25-ton hydraulic cylinder for high-force bushing removal and installation.
Q: Is a pump included?
A: Yes. The kit includes an OTC 2510A air/hydraulic pump, along with hose and coupler, for powering the hydraulic cylinder.
Q: Which suspension systems does this kit support?
A: The 4275 kit supports Hendrickson PACCAR Monoleaf, Navistar Monoleaf, and Volvo Monoleaf front suspension D-pin bushing systems.
