The ATC 88800561 Rear Crankshaft Seal Installer is a precision-engineered installation tool specifically designed for heavy-duty applications on Mack MP7 and Volvo D11 engine platforms. This tool supports the correct installation of large-bore rear crankshaft oil seals, such as seal part number 20441697, ensuring accurate alignment, proper seating depth and leak-free service.
Constructed for demanding rebuild shop environments, the 88800561 enables technicians to press rear main seals with factory-level precision—minimizing the risk of distortions, lip damage or premature failures. Compatible with the 6-inch crank seal system used by Volvo D11/Mack MP7, it is essential for professional heavy-duty engine maintenance where high reliability and consistent results matter.
Key Features & Benefits
-
Tailored for Volvo D11 and Mack MP7 engines, covering the critical 6″ crank rear seal specification.
-
Ensures concentric, damage-free installation of rear crankshaft oil seals and wear sleeves.
-
Reduces risk of oil leaks and seal retreat by maintaining correct installation geometry and depth.
-
Built from durable materials for heavy shop use, optimizing rebuild throughput and service reliability.
-
Ideal for engine rebuilders, fleet service departments and remanufacturers focused on heavy-duty diesel powerplants.
Applications
Use this installer whenever replacing the rear crankshaft seal (and wear sleeve, if applicable) on Mack MP7 or Volvo D11 engines. Especially useful in full engine overhauls, remanufacturing workflows or maintenance scenarios where proper seal installation is critical to engine durability and reliability.